info

Brisbane CO2 for 30 December 2023

Please see here for details about the calibration improvements made since Phase 2. Levels dropped substantially (by 20 ppm) on Saturday to an overall average of 440 ppm, and values were lower at the end of the day than at the start at all three sites. The red, green and blue lines in today’s second chart are the mean carbon dioxide concentrations across the 24 hour cycle measured 10m, 50 m, and 120m above the ground at France’s Observatoire Pérenne de l’Environnement (OPE) station, between 2011 and 2018. Shaded areas are +/- 1 SD for each of these.

Conil, S. et al. (2019) ‘Continuous atmospheric CO2, CH4 and CO measurements at the Observatoire Pérenne de l’Environnement (OPE) station in France from 2011 to 2018’, Atmospheric Measurement Techniques, 12(12), pp. 6361–6383. Available at: https://doi.org/10.5194/amt-12-6361-2019.
 

Daily Averages – Phase 3

For reference, latest monthly average (November 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 417.8 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
30-12-2023439 ppm445 ppm436 ppm
29-12-2023450 ppm466 ppm462 ppm
28-12-2023445 ppm466 ppm469 ppm
27-12-2023435 ppm448 ppm446 ppm
26-12-2023435 ppm439ppm434 ppm
25-12-2023429 ppm441 ppm441 ppm
24-12-2023432 ppm442 ppm437 ppm
23-12-2023421 ppm436 ppm443 ppm
22-12-2023430 ppm432 ppm446 ppm
21-12-2023429 ppm442 ppm433 ppm
20-12-2023419 ppm431 ppm431 ppm
19-12-2023421 ppm430ppm429 ppm
18-12-2023424 ppm426 ppm
17-12-2023432 ppm445 ppm433 ppm
16-12-2023434 ppm444 ppm439 ppm
15-12-2023433 ppm439 ppm436 ppm
14-12-2023421 ppm427 ppm426 ppm
13-12-2023422 ppm433 ppm425 ppm
12-12-2023420 ppm434 ppm421 ppm
11-12-2023418 ppm428 ppm422 ppm
10-12-2023423 ppm 438 ppm 424 ppm
09-12-2023420 ppm436 ppm426 ppm
08-12-2023430ppm437 ppm438 ppm
07-12-2023431 ppm439 ppm438ppm
06-12-2023427 ppm436 ppm436 ppm
05-12-2023426 ppm433 ppm428 ppm
04-12-2023435 ppm445 ppm439 ppm
03-12-2023438 ppm453 ppm465 ppm
02-12-2023434ppm443 ppm442 ppm
01-12-2023444 ppm451 ppm459 ppm
30-11-2023447ppm464 ppm457 ppm
29-11-2023437 ppm437 ppm436 ppm
28-Nov-2023444 ppm448 ppm448 ppm
27-Nov-2023433 ppm436 ppm444 ppm
26-Nov-2023427 ppm435 ppm447 ppm
25-Nov-2023425 ppm430 ppm423 ppm
24-Nov-2023429 ppm442 ppm427 ppm
23-Nov-2023431 ppm442 ppm432 ppm
22-Nov-2023435 ppm437 ppm433 ppm
21-Nov-2023440 ppm436 ppm432 ppm
CO2 concentrations for Phase 3.

Daily Averages – Phase 2 (See explanation of differences between Phase 1 and Phase 2 data)

For reference, latest monthly average (July 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 416.6 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
19-Aug-2023396 ppm398 ppm
18-Aug-2023421 ppm417 ppm418 ppm
17-Aug-2023436 ppm425 ppm426 ppm
16-Aug-2023421 ppm420 ppm
15-Aug-2023426 ppm419 ppm
14-Aug-2023436 ppm430 ppm430 ppm
13-Aug-2023438 ppm428 ppm423 ppm
12-Aug-2023436 ppm426 ppm433 ppm
11-Aug-2023438 ppm427 ppm430 ppm
10-Aug-2023437 ppm427 ppm430 ppm
09-Aug-2023431 ppm427 ppm433 ppm
08-Aug-2023427 ppm428 ppm436 ppm
07-Aug-2023431 ppm427 ppm432 ppm
06-Aug-2023431 ppm431 ppm433 ppm
05-Aug-2023432ppm431 ppm434 ppm
04-Aug-2023436 ppm433 ppm435 ppm
03-Aug-2023434 ppm432 ppm423 ppm
02-Aug-2023432 ppm433 ppm415 ppm
01-Aug-2023440 ppm436 ppm431 ppm
31-Jul-2023443 ppm431 ppm430ppm
30-Jul-2023433 ppm424 ppm430 ppm
29-Jul-2023434 ppm424 ppm431 ppm
28-Jul-2023431 ppm424 ppm426 ppm
27-Jul-2023429 ppm430 ppm433 ppm
26-Jul-2023432 ppm431 ppm430 ppm
25-Jul-2023427 ppm425 ppm424 ppm
24-Jul-2023420 ppm418 ppm418 ppm
23-Jul-2023424 ppm421 ppm420 ppm
22-Jul-2023434 ppm429 ppm428 ppm
21-Jul-2023446 ppm430 ppm
20-Jul-2023433 ppm430 ppm
19-Jul-2023437 ppm436 ppm439 ppm
18-Jul-2023443 ppm432ppm433 ppm
17-Jul-2023435 ppm432 ppm436 ppm
16-Jul-2023436 ppm432 ppm441 ppm
15-Jul-2023449 ppm434 ppm452 ppm
14-Jul-2023452 ppm435 ppm448 ppm
13-Jul-2023433 ppm431 ppm429 ppm
12-Jul-2023437 ppm437 ppm438 ppm
11-Jul-2023448 ppm434 ppm438 ppm
10-Jul-2023439 ppm424 ppm432 ppm
9-Jul-2023423 ppm411 ppm417 ppm
8-Jul-2023418 ppm411 ppm414 ppm
7-Jul-2023413 ppm407 ppm408 ppm
6-Jul-2023434 ppm427 ppm428 ppm
5-Jul-2023442 ppm441 ppm429 ppm
4-Jul-2023449 ppm443 ppm429 ppm
3-Jul-2023428 ppm429 ppm412 ppm
2-Jul-2023424 ppm425 ppm414 ppm
1-Jul-2023419 ppm407 ppm405 ppm
30-Jun-2023414 ppm405 ppm402 ppm
29-Jun-2023415 ppm409 ppm405 ppm
28-Jun-2023435 ppm427 ppm428 ppm
27-Jun-2023426 ppm409 ppm415 ppm
26-Jun-2023412 ppm402 ppm412 ppm
25-Jun-2023447 ppm426 ppm429 ppm
24-Jun-2023427 ppm417 ppm423 ppm
23-Jun-2023434 ppm427 ppm435 ppm
22-Jun-2023442 ppm425 ppm436 ppm
21-Jun-2023443 ppm421 ppm437 ppm
20-Jun-2023421 ppm414 ppm417 ppm
19-Jun-2023430 ppm418 ppm419 ppm
18-Jun-2023436 ppm426 ppm434 ppm
17-Jun-2023440 ppm429 ppm437 ppm
16-Jun-2023438 ppm421 ppm433 ppm
15-Jun-2023433 ppm412 ppm428 ppm
14-Jun-2023435 ppm425 ppm438 ppm
13-Jun-2023441 ppm436 ppm442 ppm
12-Jun-2023442 ppm439 ppm448ppm
11-Jun-2023443 ppm441 ppm451 ppm
10-Jun-2023446 ppm432 ppm444 ppm
9-Jun-2023441 ppm428 ppm440ppm
CO2 concentrations for Phase 2

Brisbane CO2 for 30 December 2023 Read More »

Brisbane CO2 for 29 December 2023

Please see here for details about the calibration improvements made since Phase 2. Friday’s levels were again high and very similar to Thursday, averaging 459 ppm.  Friday’s data was the first full day for which the Bellbird Park sensor was relocated some metres away from its previous location.  There was little apparent change in its profile, but it did not show the midday rise apparent on many previous days.  Time will tell whether the new placement has a bearing on this. Today’s second chart shows another novel data collection method – also from Rome like yesterday’s pigeon-based study.  This time, carbon dioxide levels were monitored by pedestrians walking a pre-determined route with a helmet-moiunted sensor and GPS.

Pigliautile, I., Marseglia, G. and Pisello, A.L. (2020) ‘Investigation of CO2 Variation and Mapping Through Wearable Sensing Techniques for Measuring Pedestrians’ Exposure in Urban Areas’, Sustainability, 12(9), p. 3936. Available at: https://doi.org/10.3390/su12093936.

Daily Averages – Phase 3

For reference, latest monthly average (November 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 417.8 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
29-12-2023450 ppm466 ppm462 ppm
28-12-2023445 ppm466 ppm469 ppm
27-12-2023435 ppm448 ppm446 ppm
26-12-2023435 ppm439ppm434 ppm
25-12-2023429 ppm441 ppm441 ppm
24-12-2023432 ppm442 ppm437 ppm
23-12-2023421 ppm436 ppm443 ppm
22-12-2023430 ppm432 ppm446 ppm
21-12-2023429 ppm442 ppm433 ppm
20-12-2023419 ppm431 ppm431 ppm
19-12-2023421 ppm430ppm429 ppm
18-12-2023424 ppm426 ppm
17-12-2023432 ppm445 ppm433 ppm
16-12-2023434 ppm444 ppm439 ppm
15-12-2023433 ppm439 ppm436 ppm
14-12-2023421 ppm427 ppm426 ppm
13-12-2023422 ppm433 ppm425 ppm
12-12-2023420 ppm434 ppm421 ppm
11-12-2023418 ppm428 ppm422 ppm
10-12-2023423 ppm 438 ppm 424 ppm
09-12-2023420 ppm436 ppm426 ppm
08-12-2023430ppm437 ppm438 ppm
07-12-2023431 ppm439 ppm438ppm
06-12-2023427 ppm436 ppm436 ppm
05-12-2023426 ppm433 ppm428 ppm
04-12-2023435 ppm445 ppm439 ppm
03-12-2023438 ppm453 ppm465 ppm
02-12-2023434ppm443 ppm442 ppm
01-12-2023444 ppm451 ppm459 ppm
30-11-2023447ppm464 ppm457 ppm
29-11-2023437 ppm437 ppm436 ppm
28-Nov-2023444 ppm448 ppm448 ppm
27-Nov-2023433 ppm436 ppm444 ppm
26-Nov-2023427 ppm435 ppm447 ppm
25-Nov-2023425 ppm430 ppm423 ppm
24-Nov-2023429 ppm442 ppm427 ppm
23-Nov-2023431 ppm442 ppm432 ppm
22-Nov-2023435 ppm437 ppm433 ppm
21-Nov-2023440 ppm436 ppm432 ppm
CO2 concentrations for Phase 3.

Daily Averages – Phase 2 (See explanation of differences between Phase 1 and Phase 2 data)

For reference, latest monthly average (July 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 416.6 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
19-Aug-2023396 ppm398 ppm
18-Aug-2023421 ppm417 ppm418 ppm
17-Aug-2023436 ppm425 ppm426 ppm
16-Aug-2023421 ppm420 ppm
15-Aug-2023426 ppm419 ppm
14-Aug-2023436 ppm430 ppm430 ppm
13-Aug-2023438 ppm428 ppm423 ppm
12-Aug-2023436 ppm426 ppm433 ppm
11-Aug-2023438 ppm427 ppm430 ppm
10-Aug-2023437 ppm427 ppm430 ppm
09-Aug-2023431 ppm427 ppm433 ppm
08-Aug-2023427 ppm428 ppm436 ppm
07-Aug-2023431 ppm427 ppm432 ppm
06-Aug-2023431 ppm431 ppm433 ppm
05-Aug-2023432ppm431 ppm434 ppm
04-Aug-2023436 ppm433 ppm435 ppm
03-Aug-2023434 ppm432 ppm423 ppm
02-Aug-2023432 ppm433 ppm415 ppm
01-Aug-2023440 ppm436 ppm431 ppm
31-Jul-2023443 ppm431 ppm430ppm
30-Jul-2023433 ppm424 ppm430 ppm
29-Jul-2023434 ppm424 ppm431 ppm
28-Jul-2023431 ppm424 ppm426 ppm
27-Jul-2023429 ppm430 ppm433 ppm
26-Jul-2023432 ppm431 ppm430 ppm
25-Jul-2023427 ppm425 ppm424 ppm
24-Jul-2023420 ppm418 ppm418 ppm
23-Jul-2023424 ppm421 ppm420 ppm
22-Jul-2023434 ppm429 ppm428 ppm
21-Jul-2023446 ppm430 ppm
20-Jul-2023433 ppm430 ppm
19-Jul-2023437 ppm436 ppm439 ppm
18-Jul-2023443 ppm432ppm433 ppm
17-Jul-2023435 ppm432 ppm436 ppm
16-Jul-2023436 ppm432 ppm441 ppm
15-Jul-2023449 ppm434 ppm452 ppm
14-Jul-2023452 ppm435 ppm448 ppm
13-Jul-2023433 ppm431 ppm429 ppm
12-Jul-2023437 ppm437 ppm438 ppm
11-Jul-2023448 ppm434 ppm438 ppm
10-Jul-2023439 ppm424 ppm432 ppm
9-Jul-2023423 ppm411 ppm417 ppm
8-Jul-2023418 ppm411 ppm414 ppm
7-Jul-2023413 ppm407 ppm408 ppm
6-Jul-2023434 ppm427 ppm428 ppm
5-Jul-2023442 ppm441 ppm429 ppm
4-Jul-2023449 ppm443 ppm429 ppm
3-Jul-2023428 ppm429 ppm412 ppm
2-Jul-2023424 ppm425 ppm414 ppm
1-Jul-2023419 ppm407 ppm405 ppm
30-Jun-2023414 ppm405 ppm402 ppm
29-Jun-2023415 ppm409 ppm405 ppm
28-Jun-2023435 ppm427 ppm428 ppm
27-Jun-2023426 ppm409 ppm415 ppm
26-Jun-2023412 ppm402 ppm412 ppm
25-Jun-2023447 ppm426 ppm429 ppm
24-Jun-2023427 ppm417 ppm423 ppm
23-Jun-2023434 ppm427 ppm435 ppm
22-Jun-2023442 ppm425 ppm436 ppm
21-Jun-2023443 ppm421 ppm437 ppm
20-Jun-2023421 ppm414 ppm417 ppm
19-Jun-2023430 ppm418 ppm419 ppm
18-Jun-2023436 ppm426 ppm434 ppm
17-Jun-2023440 ppm429 ppm437 ppm
16-Jun-2023438 ppm421 ppm433 ppm
15-Jun-2023433 ppm412 ppm428 ppm
14-Jun-2023435 ppm425 ppm438 ppm
13-Jun-2023441 ppm436 ppm442 ppm
12-Jun-2023442 ppm439 ppm448ppm
11-Jun-2023443 ppm441 ppm451 ppm
10-Jun-2023446 ppm432 ppm444 ppm
9-Jun-2023441 ppm428 ppm440ppm
CO2 concentrations for Phase 2

Brisbane CO2 for 29 December 2023 Read More »

Brisbane CO2 for 28 December 2023

Please see here for details about the calibration improvements made since Phase 2. The average level recorded for all three sites for Thursday was the highest in Phase 3 so far at 460 ppm. Although pre-dawn peaks were notably higher, so were the minimum values in the afternoon.  We have reported various data collection methods in these posts – satellites, aircraft, flux-towers, sensors on vehicles and light-rail, as well as fixed location sensors.  Today’s second chart illustrates a truly unusual method.  Scientists at La Sapienza University in Rome collected data with 12 carrier pigeons wearing lightweight CO2 sensors, GPS and temperature, relative humidity and pressure sensors in flights over the city.  Although just a test of the methods, they reported “The results show that the CO2 concentration varies considerably according to the level of urbanization, underlining the positive impact of green urban areas on air quality”.

Di Bernardino, A., Jennings, V. and Dell’Omo, G. (2022) ‘Bird-Borne Samplers for Monitoring CO2 and Atmospheric Physical Parameters’, Remote Sensing, 14(19), p. 4876. Available at: https://doi.org/10.3390/rs14194876.

Daily Averages – Phase 3

For reference, latest monthly average (August 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 417.1 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
28-12-2023445 ppm466 ppm469 ppm
27-12-2023435 ppm448 ppm446 ppm
26-12-2023435 ppm439ppm434 ppm
25-12-2023429 ppm441 ppm441 ppm
24-12-2023432 ppm442 ppm437 ppm
23-12-2023421 ppm436 ppm443 ppm
22-12-2023430 ppm432 ppm446 ppm
21-12-2023429 ppm442 ppm433 ppm
20-12-2023419 ppm431 ppm431 ppm
19-12-2023421 ppm430ppm429 ppm
18-12-2023424 ppm426 ppm
17-12-2023432 ppm445 ppm433 ppm
16-12-2023434 ppm444 ppm439 ppm
15-12-2023433 ppm439 ppm436 ppm
14-12-2023421 ppm427 ppm426 ppm
13-12-2023422 ppm433 ppm425 ppm
12-12-2023420 ppm434 ppm421 ppm
11-12-2023418 ppm428 ppm422 ppm
10-12-2023423 ppm 438 ppm 424 ppm
09-12-2023420 ppm436 ppm426 ppm
08-12-2023430ppm437 ppm438 ppm
07-12-2023431 ppm439 ppm438ppm
06-12-2023427 ppm436 ppm436 ppm
05-12-2023426 ppm433 ppm428 ppm
04-12-2023435 ppm445 ppm439 ppm
03-12-2023438 ppm453 ppm465 ppm
02-12-2023434ppm443 ppm442 ppm
01-12-2023444 ppm451 ppm459 ppm
30-11-2023447ppm464 ppm457 ppm
29-11-2023437 ppm437 ppm436 ppm
28-Nov-2023444 ppm448 ppm448 ppm
27-Nov-2023433 ppm436 ppm444 ppm
26-Nov-2023427 ppm435 ppm447 ppm
25-Nov-2023425 ppm430 ppm423 ppm
24-Nov-2023429 ppm442 ppm427 ppm
23-Nov-2023431 ppm442 ppm432 ppm
22-Nov-2023435 ppm437 ppm433 ppm
21-Nov-2023440 ppm436 ppm432 ppm
CO2 concentrations for Phase 3.

Daily Averages – Phase 2 (See explanation of differences between Phase 1 and Phase 2 data)

For reference, latest monthly average (July 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 416.6 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
19-Aug-2023396 ppm398 ppm
18-Aug-2023421 ppm417 ppm418 ppm
17-Aug-2023436 ppm425 ppm426 ppm
16-Aug-2023421 ppm420 ppm
15-Aug-2023426 ppm419 ppm
14-Aug-2023436 ppm430 ppm430 ppm
13-Aug-2023438 ppm428 ppm423 ppm
12-Aug-2023436 ppm426 ppm433 ppm
11-Aug-2023438 ppm427 ppm430 ppm
10-Aug-2023437 ppm427 ppm430 ppm
09-Aug-2023431 ppm427 ppm433 ppm
08-Aug-2023427 ppm428 ppm436 ppm
07-Aug-2023431 ppm427 ppm432 ppm
06-Aug-2023431 ppm431 ppm433 ppm
05-Aug-2023432ppm431 ppm434 ppm
04-Aug-2023436 ppm433 ppm435 ppm
03-Aug-2023434 ppm432 ppm423 ppm
02-Aug-2023432 ppm433 ppm415 ppm
01-Aug-2023440 ppm436 ppm431 ppm
31-Jul-2023443 ppm431 ppm430ppm
30-Jul-2023433 ppm424 ppm430 ppm
29-Jul-2023434 ppm424 ppm431 ppm
28-Jul-2023431 ppm424 ppm426 ppm
27-Jul-2023429 ppm430 ppm433 ppm
26-Jul-2023432 ppm431 ppm430 ppm
25-Jul-2023427 ppm425 ppm424 ppm
24-Jul-2023420 ppm418 ppm418 ppm
23-Jul-2023424 ppm421 ppm420 ppm
22-Jul-2023434 ppm429 ppm428 ppm
21-Jul-2023446 ppm430 ppm
20-Jul-2023433 ppm430 ppm
19-Jul-2023437 ppm436 ppm439 ppm
18-Jul-2023443 ppm432ppm433 ppm
17-Jul-2023435 ppm432 ppm436 ppm
16-Jul-2023436 ppm432 ppm441 ppm
15-Jul-2023449 ppm434 ppm452 ppm
14-Jul-2023452 ppm435 ppm448 ppm
13-Jul-2023433 ppm431 ppm429 ppm
12-Jul-2023437 ppm437 ppm438 ppm
11-Jul-2023448 ppm434 ppm438 ppm
10-Jul-2023439 ppm424 ppm432 ppm
9-Jul-2023423 ppm411 ppm417 ppm
8-Jul-2023418 ppm411 ppm414 ppm
7-Jul-2023413 ppm407 ppm408 ppm
6-Jul-2023434 ppm427 ppm428 ppm
5-Jul-2023442 ppm441 ppm429 ppm
4-Jul-2023449 ppm443 ppm429 ppm
3-Jul-2023428 ppm429 ppm412 ppm
2-Jul-2023424 ppm425 ppm414 ppm
1-Jul-2023419 ppm407 ppm405 ppm
30-Jun-2023414 ppm405 ppm402 ppm
29-Jun-2023415 ppm409 ppm405 ppm
28-Jun-2023435 ppm427 ppm428 ppm
27-Jun-2023426 ppm409 ppm415 ppm
26-Jun-2023412 ppm402 ppm412 ppm
25-Jun-2023447 ppm426 ppm429 ppm
24-Jun-2023427 ppm417 ppm423 ppm
23-Jun-2023434 ppm427 ppm435 ppm
22-Jun-2023442 ppm425 ppm436 ppm
21-Jun-2023443 ppm421 ppm437 ppm
20-Jun-2023421 ppm414 ppm417 ppm
19-Jun-2023430 ppm418 ppm419 ppm
18-Jun-2023436 ppm426 ppm434 ppm
17-Jun-2023440 ppm429 ppm437 ppm
16-Jun-2023438 ppm421 ppm433 ppm
15-Jun-2023433 ppm412 ppm428 ppm
14-Jun-2023435 ppm425 ppm438 ppm
13-Jun-2023441 ppm436 ppm442 ppm
12-Jun-2023442 ppm439 ppm448ppm
11-Jun-2023443 ppm441 ppm451 ppm
10-Jun-2023446 ppm432 ppm444 ppm
9-Jun-2023441 ppm428 ppm440ppm
CO2 concentrations for Phase 2

Brisbane CO2 for 28 December 2023 Read More »

Brisbane CO2 for 27 December 2023

Please see here for details about the calibration improvements made since Phase 2. Relatively high values overnight, especially at Chapel Hill (touching 500 ppm) and Bellbird Park (exceeding 540 ppm) with substantially similar daylight patterns and levels across sites.  Today’s second chart shows Sydney and Melbourne included in a larger study of emissions trends between 2000 and 2018.  Both Australian cities are allocated to “Cluster 3” – those cities whose per capita emissions are growing, though behind many (mostly Asian) cities with large absoloute and per capita emissions growth or growth in city area emissions. The reported annual growth rates for Sydney were total emissions 3%, per capita emissions: 1.8%, and for Melbourne, 2.2% (total emissions) and 1.1% (per capita emissions).

Luqman, M., Rayner, P.J. and Gurney, K.R. (2023) ‘On the impact of urbanisation on CO2 emissions’, npj Urban Sustainability, 3(1), pp. 1–8. Available at: https://doi.org/10.1038/s42949-023-00084-2.

Daily Averages – Phase 3

For reference, latest monthly average (August 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 417.1 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
27-12-2023435 ppm448 ppm446 ppm
26-12-2023435 ppm439ppm434 ppm
25-12-2023429 ppm441 ppm441 ppm
24-12-2023432 ppm442 ppm437 ppm
23-12-2023421 ppm436 ppm443 ppm
22-12-2023430 ppm432 ppm446 ppm
21-12-2023429 ppm442 ppm433 ppm
20-12-2023419 ppm431 ppm431 ppm
19-12-2023421 ppm430ppm429 ppm
18-12-2023424 ppm426 ppm
17-12-2023432 ppm445 ppm433 ppm
16-12-2023434 ppm444 ppm439 ppm
15-12-2023433 ppm439 ppm436 ppm
14-12-2023421 ppm427 ppm426 ppm
13-12-2023422 ppm433 ppm425 ppm
12-12-2023420 ppm434 ppm421 ppm
11-12-2023418 ppm428 ppm422 ppm
10-12-2023423 ppm 438 ppm 424 ppm
09-12-2023420 ppm436 ppm426 ppm
08-12-2023430ppm437 ppm438 ppm
07-12-2023431 ppm439 ppm438ppm
06-12-2023427 ppm436 ppm436 ppm
05-12-2023426 ppm433 ppm428 ppm
04-12-2023435 ppm445 ppm439 ppm
03-12-2023438 ppm453 ppm465 ppm
02-12-2023434ppm443 ppm442 ppm
01-12-2023444 ppm451 ppm459 ppm
30-11-2023447ppm464 ppm457 ppm
29-11-2023437 ppm437 ppm436 ppm
28-Nov-2023444 ppm448 ppm448 ppm
27-Nov-2023433 ppm436 ppm444 ppm
26-Nov-2023427 ppm435 ppm447 ppm
25-Nov-2023425 ppm430 ppm423 ppm
24-Nov-2023429 ppm442 ppm427 ppm
23-Nov-2023431 ppm442 ppm432 ppm
22-Nov-2023435 ppm437 ppm433 ppm
21-Nov-2023440 ppm436 ppm432 ppm
CO2 concentrations for Phase 3.

Daily Averages – Phase 2 (See explanation of differences between Phase 1 and Phase 2 data)

For reference, latest monthly average (July 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 416.6 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
19-Aug-2023396 ppm398 ppm
18-Aug-2023421 ppm417 ppm418 ppm
17-Aug-2023436 ppm425 ppm426 ppm
16-Aug-2023421 ppm420 ppm
15-Aug-2023426 ppm419 ppm
14-Aug-2023436 ppm430 ppm430 ppm
13-Aug-2023438 ppm428 ppm423 ppm
12-Aug-2023436 ppm426 ppm433 ppm
11-Aug-2023438 ppm427 ppm430 ppm
10-Aug-2023437 ppm427 ppm430 ppm
09-Aug-2023431 ppm427 ppm433 ppm
08-Aug-2023427 ppm428 ppm436 ppm
07-Aug-2023431 ppm427 ppm432 ppm
06-Aug-2023431 ppm431 ppm433 ppm
05-Aug-2023432ppm431 ppm434 ppm
04-Aug-2023436 ppm433 ppm435 ppm
03-Aug-2023434 ppm432 ppm423 ppm
02-Aug-2023432 ppm433 ppm415 ppm
01-Aug-2023440 ppm436 ppm431 ppm
31-Jul-2023443 ppm431 ppm430ppm
30-Jul-2023433 ppm424 ppm430 ppm
29-Jul-2023434 ppm424 ppm431 ppm
28-Jul-2023431 ppm424 ppm426 ppm
27-Jul-2023429 ppm430 ppm433 ppm
26-Jul-2023432 ppm431 ppm430 ppm
25-Jul-2023427 ppm425 ppm424 ppm
24-Jul-2023420 ppm418 ppm418 ppm
23-Jul-2023424 ppm421 ppm420 ppm
22-Jul-2023434 ppm429 ppm428 ppm
21-Jul-2023446 ppm430 ppm
20-Jul-2023433 ppm430 ppm
19-Jul-2023437 ppm436 ppm439 ppm
18-Jul-2023443 ppm432ppm433 ppm
17-Jul-2023435 ppm432 ppm436 ppm
16-Jul-2023436 ppm432 ppm441 ppm
15-Jul-2023449 ppm434 ppm452 ppm
14-Jul-2023452 ppm435 ppm448 ppm
13-Jul-2023433 ppm431 ppm429 ppm
12-Jul-2023437 ppm437 ppm438 ppm
11-Jul-2023448 ppm434 ppm438 ppm
10-Jul-2023439 ppm424 ppm432 ppm
9-Jul-2023423 ppm411 ppm417 ppm
8-Jul-2023418 ppm411 ppm414 ppm
7-Jul-2023413 ppm407 ppm408 ppm
6-Jul-2023434 ppm427 ppm428 ppm
5-Jul-2023442 ppm441 ppm429 ppm
4-Jul-2023449 ppm443 ppm429 ppm
3-Jul-2023428 ppm429 ppm412 ppm
2-Jul-2023424 ppm425 ppm414 ppm
1-Jul-2023419 ppm407 ppm405 ppm
30-Jun-2023414 ppm405 ppm402 ppm
29-Jun-2023415 ppm409 ppm405 ppm
28-Jun-2023435 ppm427 ppm428 ppm
27-Jun-2023426 ppm409 ppm415 ppm
26-Jun-2023412 ppm402 ppm412 ppm
25-Jun-2023447 ppm426 ppm429 ppm
24-Jun-2023427 ppm417 ppm423 ppm
23-Jun-2023434 ppm427 ppm435 ppm
22-Jun-2023442 ppm425 ppm436 ppm
21-Jun-2023443 ppm421 ppm437 ppm
20-Jun-2023421 ppm414 ppm417 ppm
19-Jun-2023430 ppm418 ppm419 ppm
18-Jun-2023436 ppm426 ppm434 ppm
17-Jun-2023440 ppm429 ppm437 ppm
16-Jun-2023438 ppm421 ppm433 ppm
15-Jun-2023433 ppm412 ppm428 ppm
14-Jun-2023435 ppm425 ppm438 ppm
13-Jun-2023441 ppm436 ppm442 ppm
12-Jun-2023442 ppm439 ppm448ppm
11-Jun-2023443 ppm441 ppm451 ppm
10-Jun-2023446 ppm432 ppm444 ppm
9-Jun-2023441 ppm428 ppm440ppm
CO2 concentrations for Phase 2

Brisbane CO2 for 27 December 2023 Read More »

Brisbane CO2 for 26 December 2023

Please see here for details about the calibration improvements made since Phase 2. Relatively similar profiles and levels on Tuesday, but for Bellbird Park’s midday rise.  Chinese research groups are publishing many greenhouse gas studies, mostly about Chinese cities and regions. Today’s second chart is an exception – an examination of emissions from 10 large U.S. states, inferred from inversion of XCO2 data gathered from the OCO-2 satellite. The authors attribute the relatively small seasonal change in California, Texas and Florida to their high populations and therefore energy use (increasing emissions) , and to lower levels of forest cover (therefore less photosynthsis in summer). Although Illinois and Ohio also have less forest cover, they have more crops and grassland.

Xu, A. and Xiang, C. (2024) ‘Assessment of the Emission Characteristics of Major States in the United States using Satellite Observations of CO2, CO, and NO2’, Atmosphere, 15(1), p. 11. Available at: https://doi.org/10.3390/atmos15010011.

Daily Averages – Phase 3

For reference, latest monthly average (August 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 417.1 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
26-12-2023435 ppm439ppm434 ppm
25-12-2023429 ppm441 ppm441 ppm
24-12-2023432 ppm442 ppm437 ppm
23-12-2023421 ppm436 ppm443 ppm
22-12-2023430 ppm432 ppm446 ppm
21-12-2023429 ppm442 ppm433 ppm
20-12-2023419 ppm431 ppm431 ppm
19-12-2023421 ppm430ppm429 ppm
18-12-2023424 ppm426 ppm
17-12-2023432 ppm445 ppm433 ppm
16-12-2023434 ppm444 ppm439 ppm
15-12-2023433 ppm439 ppm436 ppm
14-12-2023421 ppm427 ppm426 ppm
13-12-2023422 ppm433 ppm425 ppm
12-12-2023420 ppm434 ppm421 ppm
11-12-2023418 ppm428 ppm422 ppm
10-12-2023423 ppm 438 ppm 424 ppm
09-12-2023420 ppm436 ppm426 ppm
08-12-2023430ppm437 ppm438 ppm
07-12-2023431 ppm439 ppm438ppm
06-12-2023427 ppm436 ppm436 ppm
05-12-2023426 ppm433 ppm428 ppm
04-12-2023435 ppm445 ppm439 ppm
03-12-2023438 ppm453 ppm465 ppm
02-12-2023434ppm443 ppm442 ppm
01-12-2023444 ppm451 ppm459 ppm
30-11-2023447ppm464 ppm457 ppm
29-11-2023437 ppm437 ppm436 ppm
28-Nov-2023444 ppm448 ppm448 ppm
27-Nov-2023433 ppm436 ppm444 ppm
26-Nov-2023427 ppm435 ppm447 ppm
25-Nov-2023425 ppm430 ppm423 ppm
24-Nov-2023429 ppm442 ppm427 ppm
23-Nov-2023431 ppm442 ppm432 ppm
22-Nov-2023435 ppm437 ppm433 ppm
21-Nov-2023440 ppm436 ppm432 ppm
CO2 concentrations for Phase 3.

Daily Averages – Phase 2 (See explanation of differences between Phase 1 and Phase 2 data)

For reference, latest monthly average (July 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 416.6 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)

DatePetrie TerraceChapel HillBellbird Park
19-Aug-2023396 ppm398 ppm
18-Aug-2023421 ppm417 ppm418 ppm
17-Aug-2023436 ppm425 ppm426 ppm
16-Aug-2023421 ppm420 ppm
15-Aug-2023426 ppm419 ppm
14-Aug-2023436 ppm430 ppm430 ppm
13-Aug-2023438 ppm428 ppm423 ppm
12-Aug-2023436 ppm426 ppm433 ppm
11-Aug-2023438 ppm427 ppm430 ppm
10-Aug-2023437 ppm427 ppm430 ppm
09-Aug-2023431 ppm427 ppm433 ppm
08-Aug-2023427 ppm428 ppm436 ppm
07-Aug-2023431 ppm427 ppm432 ppm
06-Aug-2023431 ppm431 ppm433 ppm
05-Aug-2023432ppm431 ppm434 ppm
04-Aug-2023436 ppm433 ppm435 ppm
03-Aug-2023434 ppm432 ppm423 ppm
02-Aug-2023432 ppm433 ppm415 ppm
01-Aug-2023440 ppm436 ppm431 ppm
31-Jul-2023443 ppm431 ppm430ppm
30-Jul-2023433 ppm424 ppm430 ppm
29-Jul-2023434 ppm424 ppm431 ppm
28-Jul-2023431 ppm424 ppm426 ppm
27-Jul-2023429 ppm430 ppm433 ppm
26-Jul-2023432 ppm431 ppm430 ppm
25-Jul-2023427 ppm425 ppm424 ppm
24-Jul-2023420 ppm418 ppm418 ppm
23-Jul-2023424 ppm421 ppm420 ppm
22-Jul-2023434 ppm429 ppm428 ppm
21-Jul-2023446 ppm430 ppm
20-Jul-2023433 ppm430 ppm
19-Jul-2023437 ppm436 ppm439 ppm
18-Jul-2023443 ppm432ppm433 ppm
17-Jul-2023435 ppm432 ppm436 ppm
16-Jul-2023436 ppm432 ppm441 ppm
15-Jul-2023449 ppm434 ppm452 ppm
14-Jul-2023452 ppm435 ppm448 ppm
13-Jul-2023433 ppm431 ppm429 ppm
12-Jul-2023437 ppm437 ppm438 ppm
11-Jul-2023448 ppm434 ppm438 ppm
10-Jul-2023439 ppm424 ppm432 ppm
9-Jul-2023423 ppm411 ppm417 ppm
8-Jul-2023418 ppm411 ppm414 ppm
7-Jul-2023413 ppm407 ppm408 ppm
6-Jul-2023434 ppm427 ppm428 ppm
5-Jul-2023442 ppm441 ppm429 ppm
4-Jul-2023449 ppm443 ppm429 ppm
3-Jul-2023428 ppm429 ppm412 ppm
2-Jul-2023424 ppm425 ppm414 ppm
1-Jul-2023419 ppm407 ppm405 ppm
30-Jun-2023414 ppm405 ppm402 ppm
29-Jun-2023415 ppm409 ppm405 ppm
28-Jun-2023435 ppm427 ppm428 ppm
27-Jun-2023426 ppm409 ppm415 ppm
26-Jun-2023412 ppm402 ppm412 ppm
25-Jun-2023447 ppm426 ppm429 ppm
24-Jun-2023427 ppm417 ppm423 ppm
23-Jun-2023434 ppm427 ppm435 ppm
22-Jun-2023442 ppm425 ppm436 ppm
21-Jun-2023443 ppm421 ppm437 ppm
20-Jun-2023421 ppm414 ppm417 ppm
19-Jun-2023430 ppm418 ppm419 ppm
18-Jun-2023436 ppm426 ppm434 ppm
17-Jun-2023440 ppm429 ppm437 ppm
16-Jun-2023438 ppm421 ppm433 ppm
15-Jun-2023433 ppm412 ppm428 ppm
14-Jun-2023435 ppm425 ppm438 ppm
13-Jun-2023441 ppm436 ppm442 ppm
12-Jun-2023442 ppm439 ppm448ppm
11-Jun-2023443 ppm441 ppm451 ppm
10-Jun-2023446 ppm432 ppm444 ppm
9-Jun-2023441 ppm428 ppm440ppm
CO2 concentrations for Phase 2

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