Willows Colusa, Willows, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Willows Colusa, Willows, California, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Aug 2023
80AQILowest AQI recorded on
24th Aug 2024
22AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 47 of Good air quality on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Willows Colusa, Willows, California, United States
AQI
Day
Night
.
6 AM14th Aug 2026
8 PM
5 AM15th Aug 2026
Day time
Avg. Highest Time
3PM14th Aug
56AQI
Avg. Lowest Time
10AM14th Aug
25AQI
Night time
Avg. Highest Time
9PM14th Aug
54AQI
Avg. Lowest Time
4AM15th Aug
42AQI
In the last 24 hours,
Willows Colusa's AQI reached its highest point of 56 at 3 PM during the Day, while the lowest point, 25, was recorded at 10 AM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Willows Colusa, Willows, California, United States
JulAug
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jul 2026486 AMAQI
17th Jul 2026467 AMAQI
17th Jul 2026328 AMAQI
17th Jul 2026449 AMAQI
17th Jul 20264210 AMAQI
17th Jul 20264411 AMAQI
17th Jul 20264212 PMAQI
17th Jul 2026441 PMAQI
17th Jul 2026402 PMAQI
17th Jul 2026523 PMAQI
17th Jul 2026574 PMAQI
17th Jul 2026535 PMAQI
17th Jul 2026486 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026569 PMAQI
17th Jul 20264610 PMAQI
17th Jul 20264711 PMAQI
18th Jul 20264412 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026502 AMAQI
18th Jul 2026503 AMAQI
18th Jul 2026494 AMAQI
18th Jul 2026425 AMAQI
25°C15/35°C
18th Jul 2026466 AMAQI
18th Jul 2026427 AMAQI
18th Jul 2026368 AMAQI
18th Jul 2026469 AMAQI
18th Jul 20265010 AMAQI
18th Jul 20264011 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026581 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026523 PMAQI
18th Jul 2026404 PMAQI
18th Jul 2026605 PMAQI
18th Jul 2026546 PMAQI
18th Jul 2026547 PMAQI
18th Jul 2026468 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20265210 PMAQI
18th Jul 20266211 PMAQI
19th Jul 20263612 AMAQI
19th Jul 2026361 AMAQI
19th Jul 2026382 AMAQI
19th Jul 2026363 AMAQI
19th Jul 2026484 AMAQI
19th Jul 2026545 AMAQI
25°C15/35°C
19th Jul 2026256 AMAQI
19th Jul 2026467 AMAQI
19th Jul 2026388 AMAQI
19th Jul 2026239 AMAQI
19th Jul 20265210 AMAQI
19th Jul 20264611 AMAQI
19th Jul 20265012 PMAQI
19th Jul 2026421 PMAQI
19th Jul 2026382 PMAQI
19th Jul 2026403 PMAQI
19th Jul 2026504 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026296 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026428 PMAQI
19th Jul 2026469 PMAQI
19th Jul 20265010 PMAQI
19th Jul 20265111 PMAQI
20th Jul 20264612 AMAQI
20th Jul 2026481 AMAQI
20th Jul 2026502 AMAQI
20th Jul 2026513 AMAQI
20th Jul 2026464 AMAQI
20th Jul 2026425 AMAQI
26°C15/36°C
20th Jul 2026386 AMAQI
20th Jul 2026427 AMAQI
20th Jul 2026448 AMAQI
20th Jul 2026429 AMAQI
20th Jul 20264610 AMAQI
20th Jul 20264611 AMAQI
20th Jul 20265612 PMAQI
20th Jul 2026601 PMAQI
20th Jul 2026622 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026514 PMAQI
20th Jul 2026365 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026519 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20262412 AMAQI
21st Jul 2026361 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026203 AMAQI
21st Jul 2026184 AMAQI
21st Jul 2026425 AMAQI
26°C19/35°C
21st Jul 2026426 AMAQI
21st Jul 2026427 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20264610 AMAQI
21st Jul 20262111 AMAQI
21st Jul 20264812 PMAQI
21st Jul 2026481 PMAQI
21st Jul 2026462 PMAQI
21st Jul 2026483 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026505 PMAQI
21st Jul 2026516 PMAQI
21st Jul 2026467 PMAQI
21st Jul 2026538 PMAQI
21st Jul 2026549 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20265711 PMAQI
22nd Jul 20265012 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026503 AMAQI
22nd Jul 2026464 AMAQI
22nd Jul 2026505 AMAQI
29°C20/39°C
22nd Jul 2026466 AMAQI
22nd Jul 2026487 AMAQI
22nd Jul 2026468 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20265011 AMAQI
22nd Jul 20265212 PMAQI
22nd Jul 2026501 PMAQI
22nd Jul 2026372 PMAQI
22nd Jul 2026563 PMAQI
22nd Jul 2026604 PMAQI
22nd Jul 2026425 PMAQI
22nd Jul 2026316 PMAQI
22nd Jul 2026207 PMAQI
22nd Jul 2026168 PMAQI
22nd Jul 2026169 PMAQI
22nd Jul 20265010 PMAQI
22nd Jul 20264711 PMAQI
23rd Jul 20264212 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026542 AMAQI
23rd Jul 2026423 AMAQI
23rd Jul 2026464 AMAQI
23rd Jul 2026365 AMAQI
27°C21/34°C
23rd Jul 2026406 AMAQI
23rd Jul 2026387 AMAQI
23rd Jul 2026508 AMAQI
23rd Jul 2026429 AMAQI
23rd Jul 20264410 AMAQI
23rd Jul 20261411 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026561 PMAQI
23rd Jul 2026662 PMAQI
23rd Jul 2026473 PMAQI
23rd Jul 2026234 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026679 PMAQI
23rd Jul 20265610 PMAQI
23rd Jul 20265211 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026521 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026563 AMAQI
24th Jul 2026564 AMAQI
24th Jul 2026605 AMAQI
26°C16/36°C
24th Jul 2026546 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026748 AMAQI
24th Jul 2026669 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20266011 AMAQI
24th Jul 20265712 PMAQI
24th Jul 2026381 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026523 PMAQI
24th Jul 2026514 PMAQI
24th Jul 2026395 PMAQI
24th Jul 2026246 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026558 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20264410 PMAQI
24th Jul 20265411 PMAQI
25th Jul 20265012 AMAQI
25th Jul 2026501 AMAQI
25th Jul 2026462 AMAQI
25th Jul 2026483 AMAQI
25th Jul 2026424 AMAQI
25th Jul 2026565 AMAQI
26°C16/37°C
25th Jul 2026486 AMAQI
25th Jul 2026467 AMAQI
25th Jul 2026468 AMAQI
25th Jul 2026469 AMAQI
25th Jul 20264610 AMAQI
25th Jul 20264811 AMAQI
25th Jul 20263612 PMAQI
25th Jul 2026461 PMAQI
25th Jul 2026342 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026345 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026468 PMAQI
25th Jul 2026459 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20261811 PMAQI
26th Jul 20264412 AMAQI
26th Jul 2026421 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026384 AMAQI
26th Jul 2026485 AMAQI
26°C15/36°C
26th Jul 2026506 AMAQI
26th Jul 2026487 AMAQI
26th Jul 2026468 AMAQI
26th Jul 2026119 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20264612 PMAQI
26th Jul 2026341 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026463 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026345 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026427 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026509 PMAQI
26th Jul 20264610 PMAQI
26th Jul 20265511 PMAQI
27th Jul 20266212 AMAQI
27th Jul 2026531 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026483 AMAQI
27th Jul 2026384 AMAQI
27th Jul 2026465 AMAQI
26°C16/37°C
27th Jul 2026446 AMAQI
27th Jul 2026447 AMAQI
27th Jul 2026488 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20265010 AMAQI
27th Jul 20265311 AMAQI
27th Jul 20265412 PMAQI
27th Jul 2026601 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026563 PMAQI
27th Jul 2026464 PMAQI
27th Jul 2026535 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20263410 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20264612 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026502 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026424 AMAQI
28th Jul 2026465 AMAQI
26°C16/36°C
28th Jul 2026406 AMAQI
28th Jul 2026527 AMAQI
28th Jul 2026468 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20265211 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026421 PMAQI
28th Jul 2026402 PMAQI
28th Jul 2026483 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026345 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026447 PMAQI
28th Jul 2026408 PMAQI
28th Jul 2026499 PMAQI
28th Jul 20264810 PMAQI
28th Jul 20264711 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026491 AMAQI
29th Jul 2026522 AMAQI
29th Jul 2026503 AMAQI
29th Jul 2026384 AMAQI
29th Jul 2026465 AMAQI
27°C15/37°C
29th Jul 2026506 AMAQI
29th Jul 2026497 AMAQI
29th Jul 2026528 AMAQI
29th Jul 2026509 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20264411 AMAQI
29th Jul 20264212 PMAQI
29th Jul 2026441 PMAQI
29th Jul 2026522 PMAQI
29th Jul 2026523 PMAQI
29th Jul 2026444 PMAQI
29th Jul 2026425 PMAQI
29th Jul 2026506 PMAQI
29th Jul 2026507 PMAQI
29th Jul 2026428 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20262411 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026481 AMAQI
30th Jul 2026422 AMAQI
30th Jul 2026463 AMAQI
30th Jul 2026384 AMAQI
30th Jul 2026465 AMAQI
28°C18/37°C
30th Jul 2026446 AMAQI
30th Jul 2026467 AMAQI
30th Jul 2026478 AMAQI
30th Jul 2026519 AMAQI
30th Jul 20264410 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20264212 PMAQI
30th Jul 2026481 PMAQI
30th Jul 2026422 PMAQI
30th Jul 2026513 PMAQI
30th Jul 2026464 PMAQI
30th Jul 2026495 PMAQI
30th Jul 2026496 PMAQI
30th Jul 2026547 PMAQI
30th Jul 2026848 PMAQI
30th Jul 2026589 PMAQI
30th Jul 20265510 PMAQI
30th Jul 20266011 PMAQI
31st Jul 20267012 AMAQI
31st Jul 2026661 AMAQI
31st Jul 2026522 AMAQI
31st Jul 2026583 AMAQI
31st Jul 2026504 AMAQI
31st Jul 2026545 AMAQI
27°C18/37°C
31st Jul 2026556 AMAQI
31st Jul 2026517 AMAQI
31st Jul 2026528 AMAQI
31st Jul 2026599 AMAQI
31st Jul 20266010 AMAQI
31st Jul 20265411 AMAQI
31st Jul 20265812 PMAQI
31st Jul 2026571 PMAQI
31st Jul 2026582 PMAQI
31st Jul 2026553 PMAQI
31st Jul 2026564 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026526 PMAQI
31st Jul 2026507 PMAQI
31st Jul 2026448 PMAQI
31st Jul 2026509 PMAQI
31st Jul 20265910 PMAQI
31st Jul 20265311 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026541 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026573 AMAQI
1st Aug 2026544 AMAQI
1st Aug 2026525 AMAQI
28°C16/38°C
1st Aug 2026486 AMAQI
1st Aug 2026487 AMAQI
1st Aug 2026448 AMAQI
1st Aug 2026529 AMAQI
1st Aug 20264610 AMAQI
1st Aug 20264911 AMAQI
1st Aug 20264412 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026512 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026484 PMAQI
1st Aug 2026385 PMAQI
1st Aug 2026406 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20264411 PMAQI
2nd Aug 20264412 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026512 AMAQI
2nd Aug 2026483 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026465 AMAQI
29°C18/39°C
2nd Aug 2026466 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026428 AMAQI
2nd Aug 2026539 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20264012 PMAQI
2nd Aug 2026441 PMAQI
2nd Aug 2026522 PMAQI
2nd Aug 2026483 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026448 PMAQI
2nd Aug 2026429 PMAQI
2nd Aug 20265110 PMAQI
2nd Aug 20264211 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026401 AMAQI
3rd Aug 2026512 AMAQI
3rd Aug 2026513 AMAQI
3rd Aug 2026514 AMAQI
3rd Aug 2026545 AMAQI
31°C20/40°C
3rd Aug 2026506 AMAQI
3rd Aug 2026407 AMAQI
3rd Aug 2026428 AMAQI
3rd Aug 2026519 AMAQI
3rd Aug 20265010 AMAQI
3rd Aug 20264911 AMAQI
3rd Aug 20265012 PMAQI
3rd Aug 2026461 PMAQI
3rd Aug 2026422 PMAQI
3rd Aug 2026403 PMAQI
3rd Aug 2026444 PMAQI
3rd Aug 2026425 PMAQI
3rd Aug 2026426 PMAQI
3rd Aug 2026427 PMAQI
3rd Aug 2026278 PMAQI
3rd Aug 2026289 PMAQI
3rd Aug 20264610 PMAQI
3rd Aug 20264811 PMAQI
4th Aug 20264412 AMAQI
4th Aug 2026441 AMAQI
4th Aug 2026502 AMAQI
4th Aug 2026483 AMAQI
4th Aug 2026464 AMAQI
4th Aug 2026465 AMAQI
31°C22/42°C
4th Aug 2026426 AMAQI
4th Aug 2026507 AMAQI
4th Aug 2026508 AMAQI
4th Aug 2026449 AMAQI
4th Aug 20265410 AMAQI
4th Aug 20265311 AMAQI
4th Aug 20265812 PMAQI
4th Aug 2026511 PMAQI
4th Aug 2026522 PMAQI
4th Aug 2026413 PMAQI
4th Aug 2026514 PMAQI
4th Aug 2026505 PMAQI
4th Aug 2026446 PMAQI
4th Aug 2026467 PMAQI
4th Aug 2026468 PMAQI
4th Aug 2026449 PMAQI
4th Aug 20264210 PMAQI
4th Aug 20265011 PMAQI
5th Aug 20264212 AMAQI
5th Aug 2026461 AMAQI
5th Aug 2026462 AMAQI
5th Aug 2026543 AMAQI
5th Aug 2026464 AMAQI
5th Aug 2026425 AMAQI
29°C19/40°C
5th Aug 2026466 AMAQI
5th Aug 2026447 AMAQI
5th Aug 2026488 AMAQI
5th Aug 2026579 AMAQI
5th Aug 20264210 AMAQI
5th Aug 20264211 AMAQI
5th Aug 20264612 PMAQI
5th Aug 2026441 PMAQI
5th Aug 2026442 PMAQI
5th Aug 2026463 PMAQI
5th Aug 2026444 PMAQI
5th Aug 2026425 PMAQI
5th Aug 2026486 PMAQI
5th Aug 2026537 PMAQI
5th Aug 2026488 PMAQI
5th Aug 2026479 PMAQI
5th Aug 20265210 PMAQI
5th Aug 20264811 PMAQI
6th Aug 20264412 AMAQI
6th Aug 2026421 AMAQI
6th Aug 2026462 AMAQI
6th Aug 2026423 AMAQI
6th Aug 2026404 AMAQI
6th Aug 2026445 AMAQI
28°C20/38°C
6th Aug 2026446 AMAQI
6th Aug 2026427 AMAQI
6th Aug 2026468 AMAQI
6th Aug 2026469 AMAQI
6th Aug 20264610 AMAQI
6th Aug 20264411 AMAQI
6th Aug 20264412 PMAQI
6th Aug 2026461 PMAQI
6th Aug 2026442 PMAQI
6th Aug 2026483 PMAQI
6th Aug 2026514 PMAQI
6th Aug 2026485 PMAQI
6th Aug 2026426 PMAQI
6th Aug 2026447 PMAQI
6th Aug 2026448 PMAQI
6th Aug 2026469 PMAQI
6th Aug 20264910 PMAQI
6th Aug 20264211 PMAQI
7th Aug 20264412 AMAQI
7th Aug 2026441 AMAQI
7th Aug 2026502 AMAQI
7th Aug 2026533 AMAQI
7th Aug 2026464 AMAQI
7th Aug 2026465 AMAQI
27°C17/37°C
7th Aug 2026406 AMAQI
7th Aug 2026507 AMAQI
7th Aug 2026468 AMAQI
7th Aug 2026389 AMAQI
7th Aug 20265010 AMAQI
7th Aug 20264611 AMAQI
7th Aug 20264012 PMAQI
7th Aug 2026511 PMAQI
7th Aug 2026422 PMAQI
7th Aug 2026463 PMAQI
7th Aug 2026514 PMAQI
7th Aug 2026485 PMAQI
7th Aug 2026336 PMAQI
7th Aug 2026467 PMAQI
7th Aug 2026528 PMAQI
7th Aug 2026529 PMAQI
7th Aug 20264610 PMAQI
7th Aug 20264611 PMAQI
8th Aug 20264812 AMAQI
8th Aug 2026481 AMAQI
8th Aug 2026462 AMAQI
8th Aug 2026463 AMAQI
8th Aug 2026484 AMAQI
8th Aug 2026525 AMAQI
28°C17/39°C
8th Aug 2026516 AMAQI
8th Aug 2026407 AMAQI
8th Aug 2026458 AMAQI
8th Aug 2026509 AMAQI
8th Aug 20264610 AMAQI
8th Aug 20263811 AMAQI
8th Aug 20264812 PMAQI
8th Aug 2026461 PMAQI
8th Aug 2026422 PMAQI
8th Aug 2026423 PMAQI
8th Aug 2026424 PMAQI
8th Aug 2026485 PMAQI
8th Aug 2026426 PMAQI
8th Aug 2026427 PMAQI
8th Aug 2026408 PMAQI
8th Aug 2026449 PMAQI
8th Aug 20265210 PMAQI
8th Aug 20265011 PMAQI
9th Aug 20264412 AMAQI
9th Aug 2026441 AMAQI
9th Aug 2026402 AMAQI
9th Aug 2026483 AMAQI
9th Aug 2026464 AMAQI
9th Aug 2026485 AMAQI
28°C19/38°C
9th Aug 2026406 AMAQI
9th Aug 2026427 AMAQI
9th Aug 2026408 AMAQI
9th Aug 2026429 AMAQI
9th Aug 20264810 AMAQI
9th Aug 20264411 AMAQI
9th Aug 20264612 PMAQI
9th Aug 2026521 PMAQI
9th Aug 2026552 PMAQI
9th Aug 2026623 PMAQI
9th Aug 2026604 PMAQI
9th Aug 2026425 PMAQI
9th Aug 2026446 PMAQI
9th Aug 2026547 PMAQI
9th Aug 2026518 PMAQI
9th Aug 2026489 PMAQI
9th Aug 20265010 PMAQI
9th Aug 20265211 PMAQI
10th Aug 20264412 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026382 AMAQI
10th Aug 2026443 AMAQI
10th Aug 2026424 AMAQI
10th Aug 2026425 AMAQI
29°C19/39°C
10th Aug 2026486 AMAQI
10th Aug 2026407 AMAQI
10th Aug 2026448 AMAQI
10th Aug 2026469 AMAQI
10th Aug 20265210 AMAQI
10th Aug 20265011 AMAQI
10th Aug 20265712 PMAQI
10th Aug 2026511 PMAQI
10th Aug 2026572 PMAQI
10th Aug 2026533 PMAQI
10th Aug 2026624 PMAQI
10th Aug 2026485 PMAQI
10th Aug 2026506 PMAQI
10th Aug 2026507 PMAQI
10th Aug 2026438 PMAQI
10th Aug 2026519 PMAQI
10th Aug 20264210 PMAQI
10th Aug 20264611 PMAQI
11th Aug 20264812 AMAQI
11th Aug 2026441 AMAQI
11th Aug 2026422 AMAQI
11th Aug 2026583 AMAQI
11th Aug 2026514 AMAQI
11th Aug 2026445 AMAQI
27°C18/36°C
11th Aug 2026446 AMAQI
11th Aug 2026447 AMAQI
11th Aug 2026488 AMAQI
11th Aug 2026529 AMAQI
11th Aug 20264810 AMAQI
11th Aug 20264811 AMAQI
11th Aug 20264812 PMAQI
11th Aug 2026441 PMAQI
11th Aug 2026462 PMAQI
11th Aug 2026503 PMAQI
11th Aug 2026464 PMAQI
11th Aug 2026505 PMAQI
11th Aug 2026506 PMAQI
11th Aug 2026447 PMAQI
11th Aug 2026428 PMAQI
11th Aug 2026409 PMAQI
11th Aug 20264410 PMAQI
11th Aug 20264811 PMAQI
12th Aug 20264412 AMAQI
12th Aug 2026381 AMAQI
12th Aug 2026482 AMAQI
12th Aug 2026483 AMAQI
12th Aug 2026464 AMAQI
12th Aug 2026385 AMAQI
25°C17/35°C
12th Aug 2026386 AMAQI
12th Aug 2026547 AMAQI
12th Aug 2026408 AMAQI
12th Aug 2026449 AMAQI
12th Aug 20264410 AMAQI
12th Aug 20264211 AMAQI
12th Aug 20264612 PMAQI
12th Aug 2026421 PMAQI
12th Aug 2026562 PMAQI
12th Aug 2026513 PMAQI
12th Aug 2026544 PMAQI
12th Aug 2026535 PMAQI
12th Aug 2026426 PMAQI
12th Aug 2026417 PMAQI
12th Aug 2026528 PMAQI
12th Aug 2026509 PMAQI
12th Aug 20264410 PMAQI
12th Aug 20264811 PMAQI
13th Aug 20264612 AMAQI
13th Aug 2026501 AMAQI
13th Aug 2026422 AMAQI
13th Aug 2026383 AMAQI
13th Aug 2026404 AMAQI
13th Aug 2026465 AMAQI
25°C16/34°C
13th Aug 2026426 AMAQI
13th Aug 2026427 AMAQI
13th Aug 2026528 AMAQI
13th Aug 2026539 AMAQI
13th Aug 20264010 AMAQI
13th Aug 20264211 AMAQI
13th Aug 20265012 PMAQI
13th Aug 2026501 PMAQI
13th Aug 2026542 PMAQI
13th Aug 2026523 PMAQI
13th Aug 2026424 PMAQI
13th Aug 2026405 PMAQI
13th Aug 2026286 PMAQI
13th Aug 2026537 PMAQI
13th Aug 2026408 PMAQI
13th Aug 2026529 PMAQI
13th Aug 20264610 PMAQI
13th Aug 20265611 PMAQI
14th Aug 20265012 AMAQI
14th Aug 2026511 AMAQI
14th Aug 2026502 AMAQI
14th Aug 2026463 AMAQI
14th Aug 2026504 AMAQI
14th Aug 2026505 AMAQI
23°C15/31°C
14th Aug 2026446 AMAQI
14th Aug 2026507 AMAQI
14th Aug 2026428 AMAQI
14th Aug 2026389 AMAQI
14th Aug 20262510 AMAQI
14th Aug 20263411 AMAQI
14th Aug 20264712 PMAQI
14th Aug 2026401 PMAQI
14th Aug 2026462 PMAQI
14th Aug 2026563 PMAQI
14th Aug 2026564 PMAQI
14th Aug 2026385 PMAQI
14th Aug 2026446 PMAQI
14th Aug 2026547 PMAQI
14th Aug 2026518 PMAQI
14th Aug 2026549 PMAQI
14th Aug 20264610 PMAQI
14th Aug 20265011 PMAQI
15th Aug 20265012 AMAQI
15th Aug 2026491 AMAQI
15th Aug 2026422 AMAQI
15th Aug 2026423 AMAQI
15th Aug 2026424 AMAQI
15th Aug 2026465 AMAQI
21°C14/28°C
15th Aug 2026446 AMAQI
6 AM15th Aug 2026467 AMAQI
15th Aug 2026468 AMAQI
15th Aug 2026469 AMAQI
15th Aug 20265010 AMAQI
15th Aug 20265011 AMAQI
15th Aug 20265212 PMAQI
15th Aug 2026581 PMAQI
1 PM15th Aug 2026572 PMAQI
15th Aug 2026423 PMAQI
15th Aug 2026444 PMAQI
15th Aug 2026465 PMAQI
15th Aug 2026486 PMAQI
15th Aug 2026507 PMAQI
15th Aug 2026448 PMAQI
8 PM15th Aug 2026509 PMAQI
15th Aug 20264610 PMAQI
15th Aug 20264611 PMAQI
1 AM
5 AM
24°C14/35°C
Day time
Avg. Highest Time
3 PM
50AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 50), while the lowest AQI was between 6 PM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
5 AM - 11 PM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM
44AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 11 PM (Avg. 47), while the lowest AQI was between 4 AM to 4 AM (Avg. 44).
2026 Days Vs Air Quality
Willows Colusa, Willows, California, United States
2026
98%
219
2%
5
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
219 DaysModerate
5 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2026, 98% of 227 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Willows Colusa, Willows, California, United States
AQI levels in 2026
AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
21AQI (US)
21AQI (US)
2nd January 2026
15AQI (US)
15AQI (US)
3rd January 2026
11AQI (US)
11AQI (US)
4th January 2026
11AQI (US)
11AQI (US)
5th January 2026
18AQI (US)
18AQI (US)
6th January 2026
17AQI (US)
17AQI (US)
7th January 2026
17AQI (US)
17AQI (US)
8th January 2026
16AQI (US)
16AQI (US)
9th January 2026
13AQI (US)
13AQI (US)
10th January 2026
33AQI (US)
33AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
31AQI (US)
31AQI (US)
13th January 2026
38AQI (US)
38AQI (US)
14th January 2026
40AQI (US)
40AQI (US)
15th January 2026
46AQI (US)
46AQI (US)
16th January 2026
30AQI (US)
30AQI (US)
17th January 2026
42AQI (US)
42AQI (US)
18th January 2026
36AQI (US)
36AQI (US)
19th January 2026
35AQI (US)
35AQI (US)
20th January 2026
29AQI (US)
29AQI (US)
21st January 2026
42AQI (US)
42AQI (US)
22nd January 2026
32AQI (US)
32AQI (US)
23rd January 2026
30AQI (US)
30AQI (US)
24th January 2026
34AQI (US)
34AQI (US)
25th January 2026
27AQI (US)
27AQI (US)
26th January 2026
24AQI (US)
24AQI (US)
27th January 2026
23AQI (US)
23AQI (US)
28th January 2026
29AQI (US)
29AQI (US)
29th January 2026
33AQI (US)
33AQI (US)
30th January 2026
42AQI (US)
42AQI (US)
31st January 2026
23AQI (US)
23AQI (US)
1st February 2026
29AQI (US)
29AQI (US)
2nd February 2026
28AQI (US)
28AQI (US)
3rd February 2026
25AQI (US)
25AQI (US)
4th February 2026
23AQI (US)
23AQI (US)
5th February 2026
28AQI (US)
28AQI (US)
6th February 2026
31AQI (US)
31AQI (US)
7th February 2026
26AQI (US)
26AQI (US)
8th February 2026
27AQI (US)
27AQI (US)
9th February 2026
37AQI (US)
37AQI (US)
10th February 2026
26AQI (US)
26AQI (US)
11th February 2026
35AQI (US)
35AQI (US)
12th February 2026
40AQI (US)
40AQI (US)
13th February 2026
30AQI (US)
30AQI (US)
14th February 2026
23AQI (US)
23AQI (US)
15th February 2026
25AQI (US)
25AQI (US)
16th February 2026
42AQI (US)
42AQI (US)
17th February 2026
46AQI (US)
46AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
41AQI (US)
41AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
26AQI (US)
26AQI (US)
22nd February 2026
24AQI (US)
24AQI (US)
23rd February 2026
25AQI (US)
25AQI (US)
24th February 2026
27AQI (US)
27AQI (US)
25th February 2026
39AQI (US)
39AQI (US)
26th February 2026
25AQI (US)
25AQI (US)
27th February 2026
18AQI (US)
18AQI (US)
28th February 2026
29AQI (US)
29AQI (US)
1st March 2026
27AQI (US)
27AQI (US)
2nd March 2026
39AQI (US)
39AQI (US)
3rd March 2026
20AQI (US)
20AQI (US)
4th March 2026
21AQI (US)
21AQI (US)
5th March 2026
28AQI (US)
28AQI (US)
6th March 2026
24AQI (US)
24AQI (US)
7th March 2026
32AQI (US)
32AQI (US)
8th March 2026
19AQI (US)
19AQI (US)
9th March 2026
16AQI (US)
16AQI (US)
10th March 2026
23AQI (US)
23AQI (US)
11th March 2026
22AQI (US)
22AQI (US)
12th March 2026
25AQI (US)
25AQI (US)
13th March 2026
21AQI (US)
21AQI (US)
14th March 2026
18AQI (US)
18AQI (US)
15th March 2026
17AQI (US)
17AQI (US)
16th March 2026
18AQI (US)
18AQI (US)
17th March 2026
25AQI (US)
25AQI (US)
18th March 2026
18AQI (US)
18AQI (US)
19th March 2026
19AQI (US)
19AQI (US)
20th March 2026
26AQI (US)
26AQI (US)
21st March 2026
16AQI (US)
16AQI (US)
22nd March 2026
15AQI (US)
15AQI (US)
23rd March 2026
23AQI (US)
23AQI (US)
24th March 2026
29AQI (US)
29AQI (US)
25th March 2026
26AQI (US)
26AQI (US)
26th March 2026
29AQI (US)
29AQI (US)
27th March 2026
14AQI (US)
14AQI (US)
28th March 2026
18AQI (US)
18AQI (US)
29th March 2026
15AQI (US)
15AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
19AQI (US)
19AQI (US)
1st April 2026
24AQI (US)
24AQI (US)
2nd April 2026
19AQI (US)
19AQI (US)
3rd April 2026
19AQI (US)
19AQI (US)
4th April 2026
23AQI (US)
23AQI (US)
5th April 2026
23AQI (US)
23AQI (US)
6th April 2026
26AQI (US)
26AQI (US)
7th April 2026
38AQI (US)
38AQI (US)
8th April 2026
44AQI (US)
44AQI (US)
9th April 2026
24AQI (US)
24AQI (US)
10th April 2026
28AQI (US)
28AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
22AQI (US)
22AQI (US)
15th April 2026
16AQI (US)
16AQI (US)
16th April 2026
19AQI (US)
19AQI (US)
17th April 2026
18th April 2026
21AQI (US)
21AQI (US)
19th April 2026
20AQI (US)
20AQI (US)
20th April 2026
16AQI (US)
16AQI (US)
21st April 2026
25AQI (US)
25AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
22AQI (US)
24th April 2026
14AQI (US)
14AQI (US)
25th April 2026
13AQI (US)
13AQI (US)
26th April 2026
14AQI (US)
14AQI (US)
27th April 2026
13AQI (US)
13AQI (US)
28th April 2026
15AQI (US)
15AQI (US)
29th April 2026
16AQI (US)
16AQI (US)
30th April 2026
17AQI (US)
17AQI (US)
1st May 2026
28AQI (US)
28AQI (US)
2nd May 2026
30AQI (US)
30AQI (US)
3rd May 2026
24AQI (US)
24AQI (US)
4th May 2026
22AQI (US)
22AQI (US)
5th May 2026
29AQI (US)
29AQI (US)
6th May 2026
22AQI (US)
22AQI (US)
7th May 2026
27AQI (US)
27AQI (US)
8th May 2026
42AQI (US)
42AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
30AQI (US)
30AQI (US)
12th May 2026
40AQI (US)
40AQI (US)
13th May 2026
28AQI (US)
28AQI (US)
14th May 2026
25AQI (US)
25AQI (US)
15th May 2026
37AQI (US)
37AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
55AQI (US)
55AQI (US)
18th May 2026
49AQI (US)
49AQI (US)
19th May 2026
48AQI (US)
48AQI (US)
20th May 2026
47AQI (US)
47AQI (US)
21st May 2026
46AQI (US)
46AQI (US)
22nd May 2026
58AQI (US)
58AQI (US)
23rd May 2026
48AQI (US)
48AQI (US)
24th May 2026
43AQI (US)
43AQI (US)
25th May 2026
43AQI (US)
43AQI (US)
26th May 2026
18AQI (US)
18AQI (US)
27th May 2026
17AQI (US)
17AQI (US)
28th May 2026
16AQI (US)
16AQI (US)
29th May 2026
12AQI (US)
12AQI (US)
30th May 2026
13AQI (US)
13AQI (US)
31st May 2026
15AQI (US)
15AQI (US)
1st June 2026
15AQI (US)
15AQI (US)
2nd June 2026
18AQI (US)
18AQI (US)
3rd June 2026
19AQI (US)
19AQI (US)
4th June 2026
13AQI (US)
13AQI (US)
5th June 2026
15AQI (US)
15AQI (US)
6th June 2026
14AQI (US)
14AQI (US)
7th June 2026
12AQI (US)
12AQI (US)
8th June 2026
16AQI (US)
16AQI (US)
9th June 2026
18AQI (US)
18AQI (US)
10th June 2026
14AQI (US)
14AQI (US)
11th June 2026
17AQI (US)
17AQI (US)
12th June 2026
15AQI (US)
15AQI (US)
13th June 2026
18AQI (US)
18AQI (US)
14th June 2026
15AQI (US)
15AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
23AQI (US)
23AQI (US)
17th June 2026
20AQI (US)
20AQI (US)
18th June 2026
23AQI (US)
23AQI (US)
19th June 2026
14AQI (US)
14AQI (US)
20th June 2026
13AQI (US)
13AQI (US)
21st June 2026
11AQI (US)
11AQI (US)
22nd June 2026
16AQI (US)
16AQI (US)
23rd June 2026
20AQI (US)
20AQI (US)
24th June 2026
18AQI (US)
18AQI (US)
25th June 2026
19AQI (US)
19AQI (US)
26th June 2026
22AQI (US)
22AQI (US)
27th June 2026
20AQI (US)
20AQI (US)
28th June 2026
16AQI (US)
16AQI (US)
29th June 2026
13AQI (US)
13AQI (US)
30th June 2026
16AQI (US)
16AQI (US)
1st July 2026
22AQI (US)
22AQI (US)
2nd July 2026
24AQI (US)
24AQI (US)
3rd July 2026
22AQI (US)
22AQI (US)
4th July 2026
15AQI (US)
15AQI (US)
5th July 2026
15AQI (US)
15AQI (US)
6th July 2026
14AQI (US)
14AQI (US)
7th July 2026
18AQI (US)
18AQI (US)
8th July 2026
29AQI (US)
29AQI (US)
9th July 2026
31AQI (US)
31AQI (US)
10th July 2026
30AQI (US)
30AQI (US)
11th July 2026
17AQI (US)
17AQI (US)
12th July 2026
14AQI (US)
14AQI (US)
13th July 2026
21AQI (US)
21AQI (US)
14th July 2026
24AQI (US)
24AQI (US)
15th July 2026
21AQI (US)
21AQI (US)
16th July 2026
19AQI (US)
19AQI (US)
17th July 2026
44AQI (US)
44AQI (US)
18th July 2026
49AQI (US)
49AQI (US)
19th July 2026
42AQI (US)
42AQI (US)
20th July 2026
47AQI (US)
47AQI (US)
21st July 2026
43AQI (US)
43AQI (US)
22nd July 2026
43AQI (US)
43AQI (US)
23rd July 2026
44AQI (US)
44AQI (US)
24th July 2026
51AQI (US)
51AQI (US)
25th July 2026
43AQI (US)
43AQI (US)
26th July 2026
42AQI (US)
42AQI (US)
27th July 2026
46AQI (US)
46AQI (US)
28th July 2026
45AQI (US)
45AQI (US)
29th July 2026
45AQI (US)
45AQI (US)
30th July 2026
49AQI (US)
49AQI (US)
31st July 2026
55AQI (US)
55AQI (US)
1st August 2026
47AQI (US)
47AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
44AQI (US)
44AQI (US)
4th August 2026
48AQI (US)
48AQI (US)
5th August 2026
47AQI (US)
47AQI (US)
6th August 2026
45AQI (US)
45AQI (US)
7th August 2026
46AQI (US)
46AQI (US)
8th August 2026
46AQI (US)
46AQI (US)
9th August 2026
48AQI (US)
48AQI (US)
10th August 2026
48AQI (US)
48AQI (US)
11th August 2026
47AQI (US)
47AQI (US)
12th August 2026
46AQI (US)
46AQI (US)
13th August 2026
46AQI (US)
46AQI (US)
14th August 2026
46AQI (US)
46AQI (US)
15th August 2026
47AQI (US)
47AQI (US)
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
28AQI (US)
30AQI (US)
22AQI (US)
22AQI (US)
33AQI (US)
17AQI (US)
33AQI (US)
46AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202628AQI (US)
31
28
31
28
27
3
30
29
2
15
219
5
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
June17AQI (US)
202534AQI (US)
27
4
28
31
30
31
30
28
3
30
1
25
5
25
6
27
3
27
4
339
26
Highest AQI (US) recorded in
September41AQI (US)
Lowest AQI (US) recorded in
March24AQI (US)
202433AQI (US)
31
29
31
30
30
1
27
2
30
1
29
2
26
4
22
9
27
3
22
9
334
31
Highest AQI (US) recorded in
October41AQI (US)
Lowest AQI (US) recorded in
March25AQI (US)
202353AQI (US)
23
2
1
5
25
3
31
27
1
31
23
1
6
25
6
26
5
26
4
21
3
7
25
4
30
1
313
29
2
5
13
Highest AQI (US) recorded in
October129AQI (US)
Lowest AQI (US) recorded in
March29AQI (US)
202232AQI (US)
29
22
30
1
24
1
27
30
20
1
24
3
2
24
7
23
1
26
5
280
18
2
Highest AQI (US) recorded in
August41AQI (US)
Lowest AQI (US) recorded in
January27AQI (US)
202141AQI (US)
23
6
27
1
30
1
27
3
31
30
25
6
9
8
7
4
13
14
3
28
3
10
27
4
280
46
10
4
Highest AQI (US) recorded in
August87AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
202056AQI (US)
13
17
3
16
1
29
1
26
3
16
6
5
4
2
13
5
9
1
11
15
2
3
19
11
22
9
171
62
12
16
1
Highest AQI (US) recorded in
September116AQI (US)
Lowest AQI (US) recorded in
March29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2020(Avg.)
56AQI (US)Least Polluted Year Recorded
2026(Avg.)
28AQI (US)Willows Colusa's annual 2026 AQI (US) (28) shows an average percentage change of -29.02% (improved AQI (US)) compared to previous years: 2020 (56), 2021 (41), 2022 (32), 2023 (53), 2024 (33), 2025 (34).
