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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Stockton, Illinois, 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

Stockton, Illinois, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
115AQI
Lowest AQI recorded on
25th Aug 2025
19AQI

Same Day Analysis (11th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 40 of Good air quality on the same day.

Day & Night AQI Trend: 11th Aug - 12th Aug 2026

Stockton, Illinois, United States

AQI
Day
Night
.

5 AM11th Aug 2026

8 PM

4 AM12th Aug 2026

Day time
Avg. Highest Time
9AM11th Aug

53AQI

Avg. Lowest Time
8PM11th Aug

27AQI

Night time
Avg. Highest Time
5AM11th Aug

51AQI

Avg. Lowest Time
12AM12th Aug

27AQI

In the last 24 hours,

Stockton's AQI reached its highest point of 53 at 9 AM during the Day, while the lowest point, 27, was recorded at 12 AM during the Night between 11th Aug and 12th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Stockton, Illinois, United States

JulAug
14th - 15th15th - 16th16th - 17th17th - 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
Day
Night
14th Jul 2026585 AMAQI
14th Jul 2026526 AMAQI
14th Jul 2026577 AMAQI
14th Jul 2026538 AMAQI
14th Jul 2026549 AMAQI
14th Jul 20265310 AMAQI
14th Jul 20265211 AMAQI
14th Jul 20264912 PMAQI
14th Jul 2026401 PMAQI
14th Jul 2026382 PMAQI
14th Jul 2026443 PMAQI
14th Jul 2026404 PMAQI
14th Jul 2026425 PMAQI
14th Jul 2026386 PMAQI
14th Jul 2026427 PMAQI
14th Jul 2026338 PMAQI
14th Jul 2026459 PMAQI
14th Jul 20265710 PMAQI
14th Jul 20265011 PMAQI
15th Jul 20265312 AMAQI
15th Jul 2026551 AMAQI
15th Jul 20261062 AMAQI
15th Jul 2026623 AMAQI
15th Jul 2026564 AMAQI

28°C19/36°C

15th Jul 2026885 AMAQI
15th Jul 2026606 AMAQI
15th Jul 2026987 AMAQI
15th Jul 2026518 AMAQI
15th Jul 2026489 AMAQI
15th Jul 20265310 AMAQI
15th Jul 20265211 AMAQI
15th Jul 20265312 PMAQI
15th Jul 2026531 PMAQI
15th Jul 2026522 PMAQI
15th Jul 2026463 PMAQI
15th Jul 2026504 PMAQI
15th Jul 2026535 PMAQI
15th Jul 2026516 PMAQI
15th Jul 2026467 PMAQI
15th Jul 2026678 PMAQI
15th Jul 2026609 PMAQI
15th Jul 20266710 PMAQI
15th Jul 20267211 PMAQI
16th Jul 202613312 AMAQI
16th Jul 20261741 AMAQI
16th Jul 20261792 AMAQI
16th Jul 20261843 AMAQI
16th Jul 20261884 AMAQI

28°C21/36°C

16th Jul 20262005 AMAQI
16th Jul 20262166 AMAQI
16th Jul 20262187 AMAQI
16th Jul 20262708 AMAQI
16th Jul 20262729 AMAQI
16th Jul 202638910 AMAQI
16th Jul 202634911 AMAQI
16th Jul 202629512 PMAQI
16th Jul 20262291 PMAQI
16th Jul 20262222 PMAQI
16th Jul 20261903 PMAQI
16th Jul 20261594 PMAQI
16th Jul 20261445 PMAQI
16th Jul 2026706 PMAQI
16th Jul 20261707 PMAQI
16th Jul 20261648 PMAQI
16th Jul 20261489 PMAQI
16th Jul 202614210 PMAQI
16th Jul 202618711 PMAQI
17th Jul 202622212 AMAQI
17th Jul 20262571 AMAQI
17th Jul 20262162 AMAQI
17th Jul 20262083 AMAQI
17th Jul 20261644 AMAQI

29°C22/36°C

17th Jul 20261625 AMAQI
17th Jul 20261866 AMAQI
17th Jul 20261947 AMAQI
17th Jul 20261728 AMAQI
17th Jul 20261729 AMAQI
17th Jul 202617610 AMAQI
17th Jul 202616811 AMAQI
17th Jul 202615412 PMAQI
17th Jul 20261121 PMAQI
17th Jul 2026802 PMAQI
17th Jul 2026693 PMAQI
17th Jul 2026564 PMAQI
17th Jul 2026565 PMAQI
17th Jul 2026636 PMAQI
17th Jul 2026517 PMAQI
17th Jul 2026488 PMAQI
17th Jul 2026489 PMAQI
17th Jul 20264210 PMAQI
17th Jul 20264811 PMAQI
18th Jul 20264812 AMAQI
18th Jul 2026511 AMAQI
18th Jul 2026522 AMAQI
18th Jul 2026483 AMAQI
18th Jul 2026484 AMAQI

28°C21/35°C

18th Jul 2026505 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026508 AMAQI
18th Jul 2026279 AMAQI
18th Jul 20263810 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20265612 PMAQI
18th Jul 2026521 PMAQI
18th Jul 2026532 PMAQI
18th Jul 2026603 PMAQI
18th Jul 2026674 PMAQI
18th Jul 2026685 PMAQI
18th Jul 2026626 PMAQI
18th Jul 2026637 PMAQI
18th Jul 2026688 PMAQI
18th Jul 2026719 PMAQI
18th Jul 20267810 PMAQI
18th Jul 20269911 PMAQI
19th Jul 202611012 AMAQI
19th Jul 20261251 AMAQI
19th Jul 20261442 AMAQI
19th Jul 20261543 AMAQI
19th Jul 20261584 AMAQI

27°C23/33°C

19th Jul 20261665 AMAQI
19th Jul 20261736 AMAQI
19th Jul 20261797 AMAQI
19th Jul 20261798 AMAQI
19th Jul 20261829 AMAQI
19th Jul 202617910 AMAQI
19th Jul 202617411 AMAQI
19th Jul 202616812 PMAQI
19th Jul 20261651 PMAQI
19th Jul 20261642 PMAQI
19th Jul 20261593 PMAQI
19th Jul 20261604 PMAQI
19th Jul 20261545 PMAQI
19th Jul 20261586 PMAQI
19th Jul 20261457 PMAQI
19th Jul 20261548 PMAQI
19th Jul 20261469 PMAQI
19th Jul 202614610 PMAQI
19th Jul 202614011 PMAQI
20th Jul 202615112 AMAQI
20th Jul 20261451 AMAQI
20th Jul 20261352 AMAQI
20th Jul 20261383 AMAQI
20th Jul 20261424 AMAQI

24°C18/30°C

20th Jul 20261225 AMAQI
20th Jul 20261256 AMAQI
20th Jul 20261147 AMAQI
20th Jul 20261358 AMAQI
20th Jul 20261269 AMAQI
20th Jul 202612010 AMAQI
20th Jul 202613011 AMAQI
20th Jul 202613012 PMAQI
20th Jul 20261281 PMAQI
20th Jul 20261282 PMAQI
20th Jul 20261123 PMAQI
20th Jul 2026984 PMAQI
20th Jul 2026875 PMAQI
20th Jul 2026826 PMAQI
20th Jul 2026747 PMAQI
20th Jul 2026648 PMAQI
20th Jul 2026729 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20264012 AMAQI
21st Jul 2026421 AMAQI
21st Jul 2026372 AMAQI
21st Jul 2026483 AMAQI
21st Jul 2026504 AMAQI

22°C16/30°C

21st Jul 2026455 AMAQI
21st Jul 2026526 AMAQI
21st Jul 2026487 AMAQI
21st Jul 2026558 AMAQI
21st Jul 2026549 AMAQI
21st Jul 20265410 AMAQI
21st Jul 20265411 AMAQI
21st Jul 20265312 PMAQI
21st Jul 2026541 PMAQI
21st Jul 2026532 PMAQI
21st Jul 2026423 PMAQI
21st Jul 2026364 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026366 PMAQI
21st Jul 2026337 PMAQI
21st Jul 2026488 PMAQI
21st Jul 2026469 PMAQI
21st Jul 20264610 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20264412 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026212 AMAQI
22nd Jul 2026173 AMAQI
22nd Jul 2026144 AMAQI

24°C19/30°C

22nd Jul 2026175 AMAQI
22nd Jul 2026216 AMAQI
22nd Jul 2026177 AMAQI
22nd Jul 2026188 AMAQI
22nd Jul 2026409 AMAQI
22nd Jul 20263010 AMAQI
22nd Jul 20262111 AMAQI
22nd Jul 20262712 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026233 PMAQI
22nd Jul 2026224 PMAQI
22nd Jul 2026235 PMAQI
22nd Jul 2026266 PMAQI
22nd Jul 2026287 PMAQI
22nd Jul 20261008 PMAQI
22nd Jul 20261309 PMAQI
22nd Jul 20263610 PMAQI
22nd Jul 20263211 PMAQI
23rd Jul 20263812 AMAQI
23rd Jul 2026541 AMAQI
23rd Jul 2026382 AMAQI
23rd Jul 2026493 AMAQI
23rd Jul 2026344 AMAQI

19°C13/26°C

23rd Jul 2026255 AMAQI
23rd Jul 2026276 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026238 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20263310 AMAQI
23rd Jul 20262711 AMAQI
23rd Jul 20263412 PMAQI
23rd Jul 2026271 PMAQI
23rd Jul 2026272 PMAQI
23rd Jul 2026233 PMAQI
23rd Jul 2026274 PMAQI
23rd Jul 2026275 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026308 PMAQI
23rd Jul 2026289 PMAQI
23rd Jul 20262210 PMAQI
23rd Jul 20264711 PMAQI
24th Jul 20263212 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026363 AMAQI
24th Jul 2026444 AMAQI

20°C12/27°C

24th Jul 2026405 AMAQI
24th Jul 2026386 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026468 AMAQI
24th Jul 2026349 AMAQI
24th Jul 20263610 AMAQI
24th Jul 20263111 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026272 PMAQI
24th Jul 2026343 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026276 PMAQI
24th Jul 2026317 PMAQI
24th Jul 2026298 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20264011 PMAQI
25th Jul 20263112 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026384 AMAQI

21°C15/28°C

25th Jul 2026485 AMAQI
25th Jul 2026506 AMAQI
25th Jul 2026467 AMAQI
25th Jul 2026448 AMAQI
25th Jul 2026559 AMAQI
25th Jul 20266210 AMAQI
25th Jul 20265011 AMAQI
25th Jul 20265712 PMAQI
25th Jul 2026601 PMAQI
25th Jul 2026552 PMAQI
25th Jul 2026513 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026485 PMAQI
25th Jul 2026466 PMAQI
25th Jul 2026517 PMAQI
25th Jul 2026518 PMAQI
25th Jul 2026559 PMAQI
25th Jul 20265310 PMAQI
25th Jul 20265311 PMAQI
26th Jul 20265512 AMAQI
26th Jul 2026591 AMAQI
26th Jul 2026552 AMAQI
26th Jul 2026533 AMAQI
26th Jul 2026524 AMAQI

22°C16/30°C

26th Jul 2026525 AMAQI
26th Jul 2026586 AMAQI
26th Jul 2026587 AMAQI
26th Jul 2026588 AMAQI
26th Jul 2026549 AMAQI
26th Jul 20264810 AMAQI
26th Jul 20265411 AMAQI
26th Jul 20265412 PMAQI
26th Jul 2026571 PMAQI
26th Jul 2026602 PMAQI
26th Jul 2026653 PMAQI
26th Jul 2026584 PMAQI
26th Jul 2026575 PMAQI
26th Jul 2026566 PMAQI
26th Jul 2026547 PMAQI
26th Jul 2026528 PMAQI
26th Jul 2026539 PMAQI
26th Jul 20265210 PMAQI
26th Jul 20265311 PMAQI
27th Jul 20265412 AMAQI
27th Jul 2026531 AMAQI
27th Jul 2026562 AMAQI
27th Jul 2026603 AMAQI
27th Jul 2026654 AMAQI

28°C22/36°C

27th Jul 2026665 AMAQI
27th Jul 2026626 AMAQI
27th Jul 2026707 AMAQI
27th Jul 2026658 AMAQI
27th Jul 2026649 AMAQI
27th Jul 20265510 AMAQI
27th Jul 20264911 AMAQI
27th Jul 20265112 PMAQI
27th Jul 2026521 PMAQI
27th Jul 2026542 PMAQI
27th Jul 2026543 PMAQI
27th Jul 2026544 PMAQI
27th Jul 2026545 PMAQI
27th Jul 2026606 PMAQI
27th Jul 2026557 PMAQI
27th Jul 2026578 PMAQI
27th Jul 2026589 PMAQI
27th Jul 20265210 PMAQI
27th Jul 20266211 PMAQI
28th Jul 20267012 AMAQI
28th Jul 2026641 AMAQI
28th Jul 2026602 AMAQI
28th Jul 2026583 AMAQI
28th Jul 2026654 AMAQI

31°C23/38°C

28th Jul 2026645 AMAQI
28th Jul 2026646 AMAQI
28th Jul 2026637 AMAQI
28th Jul 2026608 AMAQI
28th Jul 2026629 AMAQI
28th Jul 20266010 AMAQI
28th Jul 20266211 AMAQI
28th Jul 20266312 PMAQI
28th Jul 2026621 PMAQI
28th Jul 2026562 PMAQI
28th Jul 2026543 PMAQI
28th Jul 2026504 PMAQI
28th Jul 2026575 PMAQI
28th Jul 2026566 PMAQI
28th Jul 2026497 PMAQI
28th Jul 2026498 PMAQI
28th Jul 2026509 PMAQI
28th Jul 20264610 PMAQI
28th Jul 20265011 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026481 AMAQI
29th Jul 2026482 AMAQI
29th Jul 2026443 AMAQI
29th Jul 2026334 AMAQI

27°C23/33°C

29th Jul 2026335 AMAQI
29th Jul 2026316 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026349 AMAQI
29th Jul 20263010 AMAQI
29th Jul 20265011 AMAQI
29th Jul 20266612 PMAQI
29th Jul 2026611 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026346 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026318 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20263110 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026361 AMAQI
30th Jul 2026332 AMAQI
30th Jul 2026313 AMAQI
30th Jul 2026294 AMAQI

24°C16/32°C

30th Jul 2026365 AMAQI
30th Jul 2026446 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026459 AMAQI
30th Jul 20264410 AMAQI
30th Jul 20263611 AMAQI
30th Jul 20264212 PMAQI
30th Jul 2026441 PMAQI
30th Jul 2026392 PMAQI
30th Jul 2026233 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026447 PMAQI
30th Jul 2026348 PMAQI
30th Jul 2026429 PMAQI
30th Jul 20264410 PMAQI
30th Jul 20264411 PMAQI
31st Jul 20264012 AMAQI
31st Jul 2026401 AMAQI
31st Jul 2026442 AMAQI
31st Jul 2026463 AMAQI
31st Jul 2026404 AMAQI

25°C15/33°C

31st Jul 2026425 AMAQI
31st Jul 2026466 AMAQI
31st Jul 2026487 AMAQI
31st Jul 2026428 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20264010 AMAQI
31st Jul 20264211 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026501 PMAQI
31st Jul 2026422 PMAQI
31st Jul 2026273 PMAQI
31st Jul 2026384 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026487 PMAQI
31st Jul 2026468 PMAQI
31st Jul 2026509 PMAQI
31st Jul 20265910 PMAQI
31st Jul 20266211 PMAQI
1st Aug 20265812 AMAQI
1st Aug 2026541 AMAQI
1st Aug 2026502 AMAQI
1st Aug 2026403 AMAQI
1st Aug 2026454 AMAQI

20°C18/22°C

1st Aug 2026345 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026408 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20265210 AMAQI
1st Aug 20265311 AMAQI
1st Aug 20264512 PMAQI
1st Aug 2026421 PMAQI
1st Aug 2026532 PMAQI
1st Aug 2026563 PMAQI
1st Aug 2026604 PMAQI
1st Aug 2026535 PMAQI
1st Aug 2026526 PMAQI
1st Aug 2026567 PMAQI
1st Aug 2026698 PMAQI
1st Aug 2026549 PMAQI
1st Aug 20265410 PMAQI
1st Aug 20265611 PMAQI
2nd Aug 20265212 AMAQI
2nd Aug 2026581 AMAQI
2nd Aug 2026622 AMAQI
2nd Aug 2026553 AMAQI
2nd Aug 2026574 AMAQI

19°C18/22°C

2nd Aug 2026595 AMAQI
2nd Aug 2026606 AMAQI
2nd Aug 2026547 AMAQI
2nd Aug 2026588 AMAQI
2nd Aug 2026569 AMAQI
2nd Aug 20265310 AMAQI
2nd Aug 20265511 AMAQI
2nd Aug 20265412 PMAQI
2nd Aug 2026561 PMAQI
2nd Aug 2026532 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026534 PMAQI
2nd Aug 2026515 PMAQI
2nd Aug 2026506 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026448 PMAQI
2nd Aug 2026469 PMAQI
2nd Aug 20264210 PMAQI
2nd Aug 20264611 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026511 AMAQI
3rd Aug 2026482 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026444 AMAQI

22°C17/28°C

3rd Aug 2026455 AMAQI
3rd Aug 2026446 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026428 AMAQI
3rd Aug 2026389 AMAQI
3rd Aug 20264010 AMAQI
3rd Aug 20263811 AMAQI
3rd Aug 20263812 PMAQI
3rd Aug 2026291 PMAQI
3rd Aug 2026322 PMAQI
3rd Aug 2026343 PMAQI
3rd Aug 2026334 PMAQI
3rd Aug 2026365 PMAQI
3rd Aug 2026366 PMAQI
3rd Aug 2026447 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026469 PMAQI
3rd Aug 20264410 PMAQI
3rd Aug 20264411 PMAQI
4th Aug 20265512 AMAQI
4th Aug 2026461 AMAQI
4th Aug 2026442 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026424 AMAQI

23°C15/30°C

4th Aug 2026445 AMAQI
4th Aug 2026426 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026448 AMAQI
4th Aug 2026509 AMAQI
4th Aug 20265410 AMAQI
4th Aug 20265511 AMAQI
4th Aug 20265412 PMAQI
4th Aug 2026521 PMAQI
4th Aug 2026532 PMAQI
4th Aug 2026513 PMAQI
4th Aug 2026514 PMAQI
4th Aug 2026535 PMAQI
4th Aug 2026526 PMAQI
4th Aug 2026487 PMAQI
4th Aug 2026518 PMAQI
4th Aug 2026519 PMAQI
4th Aug 20265110 PMAQI
4th Aug 20264911 PMAQI
5th Aug 20264912 AMAQI
5th Aug 2026501 AMAQI
5th Aug 2026552 AMAQI
5th Aug 2026593 AMAQI
5th Aug 2026584 AMAQI

24°C17/30°C

5th Aug 2026595 AMAQI
5th Aug 2026596 AMAQI
5th Aug 2026627 AMAQI
5th Aug 2026628 AMAQI
5th Aug 2026629 AMAQI
5th Aug 20265910 AMAQI
5th Aug 20266511 AMAQI
5th Aug 20266012 PMAQI
5th Aug 2026641 PMAQI
5th Aug 2026662 PMAQI
5th Aug 2026623 PMAQI
5th Aug 2026594 PMAQI
5th Aug 2026605 PMAQI
5th Aug 2026636 PMAQI
5th Aug 2026597 PMAQI
5th Aug 2026588 PMAQI
5th Aug 2026559 PMAQI
5th Aug 20265710 PMAQI
5th Aug 20265611 PMAQI
6th Aug 20265512 AMAQI
6th Aug 2026541 AMAQI
6th Aug 2026562 AMAQI
6th Aug 2026553 AMAQI
6th Aug 2026584 AMAQI

22°C20/26°C

6th Aug 2026575 AMAQI
6th Aug 2026566 AMAQI
6th Aug 2026557 AMAQI
6th Aug 2026548 AMAQI
6th Aug 2026559 AMAQI
6th Aug 20265410 AMAQI
6th Aug 20265411 AMAQI
6th Aug 20265612 PMAQI
6th Aug 2026521 PMAQI
6th Aug 2026502 PMAQI
6th Aug 2026483 PMAQI
6th Aug 2026444 PMAQI
6th Aug 2026445 PMAQI
6th Aug 2026506 PMAQI
6th Aug 2026467 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026529 PMAQI
6th Aug 20264810 PMAQI
6th Aug 20264911 PMAQI
7th Aug 20267312 AMAQI
7th Aug 2026711 AMAQI
7th Aug 2026542 AMAQI
7th Aug 2026493 AMAQI
7th Aug 2026504 AMAQI

22°C16/28°C

7th Aug 2026405 AMAQI
7th Aug 2026406 AMAQI
7th Aug 2026497 AMAQI
7th Aug 2026488 AMAQI
7th Aug 2026569 AMAQI
7th Aug 20264710 AMAQI
7th Aug 20265011 AMAQI
7th Aug 20265312 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026402 PMAQI
7th Aug 2026483 PMAQI
7th Aug 2026444 PMAQI
7th Aug 2026385 PMAQI
7th Aug 2026466 PMAQI
7th Aug 2026537 PMAQI
7th Aug 2026508 PMAQI
7th Aug 2026519 PMAQI
7th Aug 20264910 PMAQI
7th Aug 20265011 PMAQI
8th Aug 20264812 AMAQI
8th Aug 2026501 AMAQI
8th Aug 2026482 AMAQI
8th Aug 2026483 AMAQI
8th Aug 2026484 AMAQI

24°C19/30°C

8th Aug 2026495 AMAQI
8th Aug 2026536 AMAQI
8th Aug 2026527 AMAQI
8th Aug 2026488 AMAQI
8th Aug 2026429 AMAQI
8th Aug 20264210 AMAQI
8th Aug 20264411 AMAQI
8th Aug 20264612 PMAQI
8th Aug 2026361 PMAQI
8th Aug 2026522 PMAQI
8th Aug 2026423 PMAQI
8th Aug 2026504 PMAQI
8th Aug 2026465 PMAQI
8th Aug 2026406 PMAQI
8th Aug 2026427 PMAQI
8th Aug 2026318 PMAQI
8th Aug 2026509 PMAQI
8th Aug 20266010 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262912 AMAQI
9th Aug 2026321 AMAQI
9th Aug 2026272 AMAQI
9th Aug 2026303 AMAQI
9th Aug 2026314 AMAQI

23°C17/30°C

9th Aug 2026275 AMAQI
9th Aug 2026336 AMAQI
9th Aug 2026467 AMAQI
9th Aug 2026488 AMAQI
9th Aug 2026429 AMAQI
9th Aug 20265610 AMAQI
9th Aug 20264211 AMAQI
9th Aug 20263612 PMAQI
9th Aug 2026381 PMAQI
9th Aug 2026322 PMAQI
9th Aug 2026423 PMAQI
9th Aug 2026484 PMAQI
9th Aug 2026465 PMAQI
9th Aug 2026486 PMAQI
9th Aug 2026447 PMAQI
9th Aug 2026728 PMAQI
9th Aug 2026499 PMAQI
9th Aug 20264010 PMAQI
9th Aug 20264011 PMAQI
10th Aug 20264012 AMAQI
10th Aug 2026381 AMAQI
10th Aug 2026422 AMAQI
10th Aug 2026383 AMAQI
10th Aug 2026384 AMAQI

23°C16/30°C

10th Aug 2026425 AMAQI
10th Aug 2026516 AMAQI
10th Aug 2026497 AMAQI
10th Aug 2026408 AMAQI
10th Aug 2026549 AMAQI
10th Aug 20264710 AMAQI
10th Aug 20264211 AMAQI
10th Aug 20264412 PMAQI
10th Aug 2026461 PMAQI
10th Aug 2026482 PMAQI
10th Aug 2026483 PMAQI
10th Aug 2026494 PMAQI
10th Aug 2026545 PMAQI
10th Aug 2026586 PMAQI
10th Aug 2026547 PMAQI
10th Aug 2026548 PMAQI
10th Aug 2026529 PMAQI
10th Aug 20264810 PMAQI
10th Aug 20265211 PMAQI
11th Aug 20264812 AMAQI
11th Aug 2026511 AMAQI
11th Aug 2026522 AMAQI
11th Aug 2026543 AMAQI
11th Aug 2026534 AMAQI

25°C21/33°C

11th Aug 2026515 AMAQI
11th Aug 2026516 AMAQI
11th Aug 2026507 AMAQI
11th Aug 2026518 AMAQI
11th Aug 2026539 AMAQI
11th Aug 20264910 AMAQI
11th Aug 20264011 AMAQI
11th Aug 20264012 PMAQI
11th Aug 2026281 PMAQI
11th Aug 2026362 PMAQI
11th Aug 2026313 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026276 PMAQI
11th Aug 2026277 PMAQI
11th Aug 2026278 PMAQI
11th Aug 2026319 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20263311 PMAQI
12th Aug 20262712 AMAQI
12th Aug 2026461 AMAQI
12th Aug 2026382 AMAQI
12th Aug 2026443 AMAQI
12th Aug 2026424 AMAQI

25°C23/30°C

12th Aug 2026385 AMAQI
5 AM
12th Aug 2026366 AMAQI
12th Aug 2026527 AMAQI
12th Aug 2026448 AMAQI
12th Aug 2026529 AMAQI
12th Aug 20264810 AMAQI
12th Aug 20264211 AMAQI
12th Aug 20265012 PMAQI
12 PM
12th Aug 2026441 PMAQI
12th Aug 2026502 PMAQI
12th Aug 2026463 PMAQI
12th Aug 2026514 PMAQI
12th Aug 2026515 PMAQI
12th Aug 2026516 PMAQI
12th Aug 2026517 PMAQI
8 PM
12 AM
4 AM

25°C22/30°C

Day time
Avg. Highest Time
10 AM - 12 PM

68AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM

51AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 12 PM (Avg. 68), while the lowest AQI was between 6 PM to 6 PM (Avg. 51).
Night time
Avg. Highest Time
1 AM - 3 AM

64AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
10 PM

54AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 64), while the lowest AQI was between 10 PM to 10 PM (Avg. 54).

2026 Days Vs Air Quality

Stockton, Illinois, United States

2026

75%

164

24%

52

0.9%

2

0.4%

1

0.4%

1

Total number of days with different AQI categories in last 224 days in 2026 (141 days remaining)

Good
164 Days
Moderate
52 Days
Poor
2 Days
Unhealthy
1 Days
Severe
1 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 75%

Health Risk Level:

Low

In 2026, 75% of 224 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Stockton, Illinois, 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
15AQI (US)
2nd January 2026
28AQI (US)
3rd January 2026
27AQI (US)
4th January 2026
51AQI (US)
5th January 2026
71AQI (US)
6th January 2026
86AQI (US)
7th January 2026
53AQI (US)
8th January 2026
52AQI (US)
9th January 2026
34AQI (US)
10th January 2026
41AQI (US)
11th January 2026
24AQI (US)
12th January 2026
24AQI (US)
13th January 2026
24AQI (US)
14th January 2026
13AQI (US)
15th January 2026
24AQI (US)
16th January 2026
20AQI (US)
17th January 2026
17AQI (US)
18th January 2026
17AQI (US)
19th January 2026
42AQI (US)
20th January 2026
31AQI (US)
21st January 2026
40AQI (US)
22nd January 2026
60AQI (US)
23rd January 2026
59AQI (US)
24th January 2026
49AQI (US)
25th January 2026
50AQI (US)
26th January 2026
47AQI (US)
27th January 2026
36AQI (US)
28th January 2026
43AQI (US)
29th January 2026
52AQI (US)
30th January 2026
58AQI (US)
31st January 2026
42AQI (US)
1st February 2026
42AQI (US)
2nd February 2026
50AQI (US)
3rd February 2026
46AQI (US)
4th February 2026
41AQI (US)
5th February 2026
56AQI (US)
6th February 2026
51AQI (US)
7th February 2026
38AQI (US)
8th February 2026
46AQI (US)
9th February 2026
68AQI (US)
10th February 2026
52AQI (US)
11th February 2026
34AQI (US)
12th February 2026
34AQI (US)
13th February 2026
71AQI (US)
14th February 2026
76AQI (US)
15th February 2026
64AQI (US)
16th February 2026
46AQI (US)
17th February 2026
70AQI (US)
18th February 2026
52AQI (US)
19th February 2026
35AQI (US)
20th February 2026
38AQI (US)
21st February 2026
33AQI (US)
22nd February 2026
38AQI (US)
23rd February 2026
36AQI (US)
24th February 2026
43AQI (US)
25th February 2026
38AQI (US)
26th February 2026
40AQI (US)
27th February 2026
50AQI (US)
28th February 2026
33AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
43AQI (US)
3rd March 2026
55AQI (US)
4th March 2026
79AQI (US)
5th March 2026
87AQI (US)
6th March 2026
61AQI (US)
7th March 2026
38AQI (US)
8th March 2026
41AQI (US)
9th March 2026
36AQI (US)
10th March 2026
37AQI (US)
11th March 2026
38AQI (US)
12th March 2026
38AQI (US)
13th March 2026
39AQI (US)
14th March 2026
37AQI (US)
15th March 2026
32AQI (US)
16th March 2026
37AQI (US)
17th March 2026
34AQI (US)
18th March 2026
44AQI (US)
19th March 2026
77AQI (US)
20th March 2026
56AQI (US)
21st March 2026
64AQI (US)
22nd March 2026
37AQI (US)
23rd March 2026
37AQI (US)
24th March 2026
41AQI (US)
25th March 2026
47AQI (US)
26th March 2026
51AQI (US)
27th March 2026
28AQI (US)
28th March 2026
29AQI (US)
29th March 2026
37AQI (US)
30th March 2026
53AQI (US)
31st March 2026
45AQI (US)
1st April 2026
31AQI (US)
2nd April 2026
27AQI (US)
3rd April 2026
32AQI (US)
4th April 2026
32AQI (US)
5th April 2026
30AQI (US)
6th April 2026
32AQI (US)
7th April 2026
30AQI (US)
8th April 2026
29AQI (US)
9th April 2026
33AQI (US)
10th April 2026
41AQI (US)
11th April 2026
61AQI (US)
12th April 2026
51AQI (US)
13th April 2026
38AQI (US)
14th April 2026
34AQI (US)
15th April 2026
30AQI (US)
16th April 2026
35AQI (US)
17th April 2026
18th April 2026
29AQI (US)
19th April 2026
31AQI (US)
20th April 2026
30AQI (US)
21st April 2026
28AQI (US)
22nd April 2026
23rd April 2026
35AQI (US)
24th April 2026
25AQI (US)
25th April 2026
30AQI (US)
26th April 2026
43AQI (US)
27th April 2026
47AQI (US)
28th April 2026
25AQI (US)
29th April 2026
27AQI (US)
30th April 2026
33AQI (US)
1st May 2026
35AQI (US)
2nd May 2026
29AQI (US)
3rd May 2026
27AQI (US)
4th May 2026
37AQI (US)
5th May 2026
33AQI (US)
6th May 2026
25AQI (US)
7th May 2026
24AQI (US)
8th May 2026
32AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
26AQI (US)
12th May 2026
26AQI (US)
13th May 2026
28AQI (US)
14th May 2026
21AQI (US)
15th May 2026
27AQI (US)
16th May 2026
32AQI (US)
17th May 2026
62AQI (US)
18th May 2026
43AQI (US)
19th May 2026
48AQI (US)
20th May 2026
48AQI (US)
21st May 2026
42AQI (US)
22nd May 2026
37AQI (US)
23rd May 2026
40AQI (US)
24th May 2026
49AQI (US)
25th May 2026
47AQI (US)
26th May 2026
33AQI (US)
27th May 2026
27AQI (US)
28th May 2026
18AQI (US)
29th May 2026
22AQI (US)
30th May 2026
32AQI (US)
31st May 2026
31AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
22AQI (US)
4th June 2026
29AQI (US)
5th June 2026
53AQI (US)
6th June 2026
33AQI (US)
7th June 2026
38AQI (US)
8th June 2026
49AQI (US)
9th June 2026
33AQI (US)
10th June 2026
35AQI (US)
11th June 2026
30AQI (US)
12th June 2026
26AQI (US)
13th June 2026
21AQI (US)
14th June 2026
22AQI (US)
15th June 2026
24AQI (US)
16th June 2026
26AQI (US)
17th June 2026
29AQI (US)
18th June 2026
27AQI (US)
19th June 2026
21AQI (US)
20th June 2026
24AQI (US)
21st June 2026
27AQI (US)
22nd June 2026
32AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
33AQI (US)
25th June 2026
27AQI (US)
26th June 2026
30AQI (US)
27th June 2026
49AQI (US)
28th June 2026
57AQI (US)
29th June 2026
61AQI (US)
30th June 2026
55AQI (US)
1st July 2026
53AQI (US)
2nd July 2026
39AQI (US)
3rd July 2026
39AQI (US)
4th July 2026
59AQI (US)
5th July 2026
66AQI (US)
6th July 2026
58AQI (US)
7th July 2026
54AQI (US)
8th July 2026
58AQI (US)
9th July 2026
46AQI (US)
10th July 2026
51AQI (US)
11th July 2026
56AQI (US)
12th July 2026
57AQI (US)
13th July 2026
56AQI (US)
14th July 2026
50AQI (US)
15th July 2026
60AQI (US)
16th July 2026
204AQI (US)
17th July 2026
130AQI (US)
18th July 2026
55AQI (US)
19th July 2026
158AQI (US)
20th July 2026
113AQI (US)
21st July 2026
46AQI (US)
22nd July 2026
33AQI (US)
23rd July 2026
31AQI (US)
24th July 2026
34AQI (US)
25th July 2026
49AQI (US)
26th July 2026
55AQI (US)
27th July 2026
58AQI (US)
28th July 2026
58AQI (US)
29th July 2026
38AQI (US)
30th July 2026
37AQI (US)
31st July 2026
44AQI (US)
1st August 2026
50AQI (US)
2nd August 2026
53AQI (US)
3rd August 2026
41AQI (US)
4th August 2026
49AQI (US)
5th August 2026
59AQI (US)
6th August 2026
52AQI (US)
7th August 2026
50AQI (US)
8th August 2026
46AQI (US)
9th August 2026
41AQI (US)
10th August 2026
47AQI (US)
11th August 2026
40AQI (US)
12th August 2026
13th August 2026
14th August 2026
15th August 2026
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

40AQI (US)

47AQI (US)

46AQI (US)

34AQI (US)

34AQI (US)

33AQI (US)

63AQI (US)

48AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202643AQI (US)

22
9
19
9
22
9
26
2
29
1
26
4
12
15
2
1
1
8
3
164
52
2
1
1

Highest AQI (US) recorded in

July

63AQI (US)

Lowest AQI (US) recorded in

June

33AQI (US)

202542AQI (US)

5
27
3
31
16
14
20
10
1
19
11
1
23
7
21
10
19
11
15
16
196
82
2

Highest AQI (US) recorded in

June

50AQI (US)

Lowest AQI (US) recorded in

May

27AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2026(Avg.)
43AQI (US)
Least Polluted Year Recorded
2025(Avg.)
42AQI (US)

Stockton's annual 2026 AQI (US) (43) shows an average percentage change of 2.3% (worsened AQI (US)) compared to previous years: 2025 (42).