(Just two sites reporting again today, as we are commencing an exercise to calibrate the sensors to a higher standard using a specially mixed calibration gas. We will show the last complete graph for 21 day averages at the four sites for the time being – up to 06 April).
For almost a week the CBD site has been very steady with daily averages ranging between 449 and 453 ppm, while the outer edge (Bellbird Park) has exhibited greater variation (418-434 ppm) over the same period.
We’re growing the network – if you’d like to host or sponsor a sensor – leave us a message. As we add more sensor sites, comparisons across the urban area will become more robust and informative about Brisbane’s Carbon dioxide emissions.
![](https://ico2n.org/wp-content/uploads/2023/04/Average2023-04-06-1024x768.jpg)
![](https://ico2n.org/wp-content/uploads/2023/04/Summary2023-04-23-1024x768.jpg)
![](https://ico2n.org/wp-content/uploads/2023/04/THECA0G2023-04-23-1024x768.jpg)
![](https://ico2n.org/wp-content/uploads/2023/04/ico2nimage-1-1024x579.png)
![](https://ico2n.org/wp-content/uploads/2023/04/THECA0C2023-04-23-1024x768.jpg)
![](https://ico2n.org/wp-content/uploads/2023/04/ico2nimage-1-1024x579.png)
Daily Averages
For reference, latest monthly average (Feb 2023) from CSIRO for Kennaook/Cape Grim in NW Tasmania was 415.1 ppm. (Note – these are provisional values, subject to revision folllowing sensor re-calibrations and other checks.)
DATE | Petrie Terrace | Chapel Hill | Bellbird Park | O’Reilly’s |
23 Apr 2023 | 450 ppm | — | 434 ppm | — |
22 Apr 2023 | 449 ppm | — | 420 ppm | — |
21 Apr 2023 | 449 ppm | — | 418 ppm | — |
20 Apr 2023 | 450 ppm | — | 431 ppm | — |
19 Apr 2023 | 452 ppm | — | 429 ppm | — |
18 Apr 2023 | 453 ppm | — | 427 ppm | — |
17 Apr 2023 | 461 ppm | — | 439 ppm | — |
16 Apr 2023 | 459 ppm | — | 418 ppm | — |
15 Apr 2023 | 454 ppm | — | 444 ppm | — |
14 Apr 2023 | 455 ppm | — | 439 ppm | — |
13 Apr 2023 | 454 ppm | — | 439 ppm | — |
12 Apr 2023 | 460 ppm | — | 444 ppm | — |
11 Apr 2023 | 447 ppm | — | 432 ppm | — |
10 Apr 2023 | 440 ppm | — | 421 ppm | — |
09 Apr 2023 | 441 ppm | — | 425 ppm | — |
08 Apr 2023 | 450 ppm | — | 425 ppm | 399 ppm |
07 Apr 2023 | 464 ppm | — | 446 ppm | 406 ppm |
06 Apr 2023 | 453 ppm | 432 ppm | 441 ppm | 404 ppm |
05 Apr 2023 | 462 ppm | 442 ppm | 445 ppm | 403 ppm |
04 Apr 2023 | 461 ppm | 431 ppm | 434 ppm | 406 ppm |
03 Apr 2023 | 456 ppm | 435 ppm | 433 ppm | 405 ppm |
02 Apr 2023 | 461 ppm | 437ppm | 418 ppm | 404 ppm |
01 Apr 2023 | 471 ppm | 446 ppm | 456 ppm | 407 ppm |
31 Mar 2023 | 462 ppm | 431 ppm | 439 ppm | TBA |
30 Mar2023 | 465 ppm | 433 ppm | 437 ppm | TBA |
29 Mar 2023 | 482 ppm | 451 ppm | 446 ppm | 417 ppm |
28 Mar 2023 | 476 ppm | 446 ppm | 450ppm | 423 ppm |
27 Mar 2023 | 470 ppm | 443 ppm | 445 ppm | 425 ppm |
26 Mar 2023 | 464 ppm | 439 ppm | 435 ppm | 417 ppm |
25 Mar 2023 | 467 ppm | 446 ppm | 437 ppm | TBA |
24 Mar 2023 | 475 ppm | 443ppm | 456 ppm | TBA |
23 Mar 2023 | 472 ppm | 444 ppm | 428 ppm | TBA |
22 Mar 2023 | 463 ppm | 435 ppm | 423 ppm | TBA |
21 Mar 2023 | 459 ppm | 431 ppm | 425 ppm | TBA |
20 Mar 2023 | 464 ppm | 441 ppm | 439 ppm | TBA |
19 Mar 2023 | 467 ppm | — | 445 ppm | TBA |
18 Mar 2023 | 471 ppm | 448 ppm | 443 ppm | TBA |
17 Mar 2023 | 477 ppm | 448 ppm | 443 ppm | TBA |
16 Mar 2023 | 484 ppm | 455 ppm | 470 ppm | TBA |
15 Mar 2023 | 468 ppm | 446 ppm | 444 ppm | TBA |
14 Mar 2023 | 461 ppm | 443 ppm | 446 ppm | 413 ppm |
13 Mar 2023 | — | 447 ppm | 440 ppm | |
12 Mar 2023 | — | 452 ppm | 446 ppm | |
11 Mar 2023 | — | 447 ppm | 449 ppm | |
10 Mar 2023 | — | 443 ppm | 420 ppm | |
9 Mar 2023 | 470 ppm | 435 ppm | 436 ppm | |
8 Mar 2023 | 461 ppm | 427 ppm | 418 ppm | |
7 Mar 2023 | 452 ppm | 424 ppm | 427 ppm | |
6 Mar 2023 | 454 ppm | 428 ppm | 432 ppm | |
5 Mar 2023 | 450 ppm | 426 ppm | 430 ppm | |
4 Mar 2023 | 449 ppm | 425 ppm | 424 ppm | |
3 Mar 2023 | 456 ppm | 432 ppm | 427 ppm | |
2 Mar 2023 | 465 ppm | 434 ppm | 423 ppm | |
1 Mar 2023 | 452 ppm | 425ppm | 426 ppm | |
28 Feb 2023 | 453 ppm | 429 ppm | 429 ppm | |
27 Feb 2023 | 458 ppm | 432 ppm | 437 ppm | |
26 Feb 2023 | 455 ppm | 434 ppm | 440 ppm | |
25 Feb 2023 | 454 ppm | 432 ppm | 435 ppm | |
24 Feb 2023 | 452 ppm | 428 ppm | 423 ppm | |
23 Feb 2023 | 454 ppm | 428 ppm | 421 ppm | |
22 Feb 2023 | 457 ppm | 433 ppm | 425 ppm | |
21 Feb 2023 | 463 ppm | 437ppm | 429 ppm | |
20 Feb 2023 | 460 ppm | 438 ppm | 425 ppm | |
19 Feb 2023 | 459 ppm | 434 ppm | 430 ppm | |
18 Feb 2023 | 463 ppm | 436 ppm | 438 ppm | |
17 Feb 2023 | 466 ppm | 437 ppm | 443 ppm | |
16 Feb 2023 | 459 ppm | 435 ppm | 438 ppm | |
15 Feb 2023 | 459 ppm | 430 ppm | 426 ppm | |
14 Feb 2023 | 457 ppm | 431 ppm | 419 ppm | |
13 Feb 2023 | 453 ppm | 429 ppm | 418 ppm | |
12 Feb 2023 | 450 ppm | 428 ppm | 436 ppm | |
11 Feb 2023 | 448 ppm | 428 ppm | 435 ppm | |
10 Feb 2023 | 451 ppm | 429ppm | 418 ppm | |
9 Feb 2023 | 451 ppm | 428ppm | 413 ppm | |
8 Feb 2023 | 452 ppm | 429 ppm | 416 ppm | |
7 Feb 2023 | 454 ppm | 434 ppm | 434 ppm | |
6 Feb 2023 | 454 ppm | 436 ppm | 425 ppm | |
5 Feb 2023 | 454 ppm | 447 ppm | 433 ppm | |
4 Feb 2023 | 456 ppm | 451 ppm | 451 ppm | |
3 Feb 2023 | 464 ppm | 438 ppm | 442 ppm | |
2 Feb 2023 | 451 ppm | 426 ppm | 418 ppm | |
1 Feb 2023 | 460 ppm | — | 428 ppm | |
31 Jan 2023 | 459 ppm | — | 434 ppm | |
30 Jan 2023 | 454 ppm | 432 ppm | 432 ppm | |
29 Jan 2023 | 455 ppm | 437 ppm | 450 ppm | |
28 Jan 2023 | 470 ppm | 451 ppm | 449 ppm | |
27 Jan 2023 | 469 ppm | 452 ppm | 445 ppm | |
26 Jan 2023 | 470 ppm | 451 ppm | 449 ppm | |
25 Jan 2023 | 470 ppm | 440 ppm | 436 ppm | |
24 Jan 2023 | 460 ppm | 436 ppm | 433 ppm | |
23 Jan 2023 | 455 ppm | 435 ppm | 441 ppm | |
22 Jan 2023 | 448 ppm | 433 ppm | 433 ppm | |
21 Jan 2023 | 450 ppm | 431 ppm | 425 ppm | |
20 Jan 2023 | 453 ppm | 431 ppm | 421 ppm | |
19 Jan 2023 | 451 ppm | 430 ppm | 436 ppm | |
18 Jan 2023 | 451 ppm | 431 ppm | 421 ppm | |
17 Jan 2023 | 453 ppm | 436 ppm | 422 ppm | |
16 Jan 2023 | 460 ppm | 440 ppm | 425 ppm | |
15 Jan 2023 | 456 ppm | 436 ppm | 432 ppm | |
14 Jan 2023 | 452 ppm | 431 ppm | 422 ppm | |
13 Jan 2023 | 455 ppm | 433ppm | 422 ppm | |
12 Jan 2023 | 452 ppm | 433 ppm | 433 ppm | |
11 Jan 2023 | 453 ppm | 433 ppm | 442 ppm | |
10 Jan 2023 | 453 ppm | 435 ppm | 424 ppm | |
9 Jan 2023 | 447 ppm | 427 ppm | 426 ppm | |
8 Jan 2023 | 450 ppm | 434 ppm | 439 ppm | |
7 Jan 2023 | 449 ppm | 436 ppm | 439 ppm | |
6 Jan 2023 | 450 ppm | 435 ppm | 429 ppm | |
5 Jan 2023 | 468 ppm | 443 ppm | 437 ppm | |
4 Jan 2023 | 454 ppm | 431 ppm | 440 ppm | |
3 Jan 2023 | 450 ppm | 436 ppm | 436 ppm | |
2 Jan 2023 | 448 ppm | 431 ppm | 423 ppm | |
1 Jan 2023 | 451 ppm | 436 ppm | 422 ppm |