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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Cicero2, Cicero, 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

Cicero2, Cicero, Illinois, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2025
94AQI
Lowest AQI recorded on
30th Aug 2023
11AQI

Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 38 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 14th Aug - 15th Aug 2026

Cicero2, Cicero, Illinois, United States

AQI
Day
Night
.

5 AM14th Aug 2026

8 PM

4 AM15th Aug 2026

Day time
Avg. Highest Time
5AM14th Aug

60AQI

Avg. Lowest Time
7PM14th Aug

54AQI

Night time
Avg. Highest Time
8PM14th Aug

55AQI

Avg. Lowest Time
1AM15th Aug

36AQI

In the last 24 hours,

Cicero2's AQI reached its highest point of 60 at 5 AM during the Day, while the lowest point, 36, was recorded at 1 AM during the Night between 14th Aug and 15th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Cicero2, Cicero, Illinois, 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 20263325 AMAQI
17th Jul 20263646 AMAQI
17th Jul 20263417 AMAQI
17th Jul 20263668 AMAQI
17th Jul 20262939 AMAQI
17th Jul 202632110 AMAQI
17th Jul 202628311 AMAQI
17th Jul 202625912 PMAQI
17th Jul 2026781 PMAQI
17th Jul 20261622 PMAQI
17th Jul 20261523 PMAQI
17th Jul 20261244 PMAQI
17th Jul 20261045 PMAQI
17th Jul 2026786 PMAQI
17th Jul 2026727 PMAQI
17th Jul 2026628 PMAQI
17th Jul 2026559 PMAQI
17th Jul 20265410 PMAQI
17th Jul 20265311 PMAQI
18th Jul 20265112 AMAQI
18th Jul 2026491 AMAQI
18th Jul 2026442 AMAQI
18th Jul 2026463 AMAQI
18th Jul 2026444 AMAQI

30°C25/35°C

18th Jul 2026445 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026467 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20264210 AMAQI
18th Jul 20264611 AMAQI
18th Jul 20264412 PMAQI
18th Jul 2026441 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026463 PMAQI
18th Jul 2026424 PMAQI
18th Jul 2026465 PMAQI
18th Jul 2026546 PMAQI
18th Jul 2026807 PMAQI
18th Jul 20261118 PMAQI
18th Jul 20261319 PMAQI
18th Jul 202615210 PMAQI
18th Jul 202615711 PMAQI
19th Jul 202616812 AMAQI
19th Jul 20261741 AMAQI
19th Jul 20261702 AMAQI
19th Jul 20261663 AMAQI
19th Jul 20261554 AMAQI

28°C23/34°C

19th Jul 20261475 AMAQI
19th Jul 20261526 AMAQI
19th Jul 20261467 AMAQI
19th Jul 20261468 AMAQI
19th Jul 20261389 AMAQI
19th Jul 202613810 AMAQI
19th Jul 202612511 AMAQI
19th Jul 202612412 PMAQI
19th Jul 20261221 PMAQI
19th Jul 20261152 PMAQI
19th Jul 20261123 PMAQI
19th Jul 20261224 PMAQI
19th Jul 20261225 PMAQI
19th Jul 20261256 PMAQI
19th Jul 20261327 PMAQI
19th Jul 20261228 PMAQI
19th Jul 20261169 PMAQI
19th Jul 202612410 PMAQI
19th Jul 202613211 PMAQI
20th Jul 202613112 AMAQI
20th Jul 20261281 AMAQI
20th Jul 20261302 AMAQI
20th Jul 20261313 AMAQI
20th Jul 20261384 AMAQI

24°C20/29°C

20th Jul 20261345 AMAQI
20th Jul 20261346 AMAQI
20th Jul 20261347 AMAQI
20th Jul 20261368 AMAQI
20th Jul 20261359 AMAQI
20th Jul 202613410 AMAQI
20th Jul 202612211 AMAQI
20th Jul 202611812 PMAQI
20th Jul 20261251 PMAQI
20th Jul 20261122 PMAQI
20th Jul 20261223 PMAQI
20th Jul 20261154 PMAQI
20th Jul 20261145 PMAQI
20th Jul 20261086 PMAQI
20th Jul 20261127 PMAQI
20th Jul 20261168 PMAQI
20th Jul 20261159 PMAQI
20th Jul 202611811 PMAQI
21st Jul 202610612 AMAQI
21st Jul 20261061 AMAQI
21st Jul 20261002 AMAQI
21st Jul 2026893 AMAQI
21st Jul 2026694 AMAQI

24°C18/32°C

21st Jul 2026595 AMAQI
21st Jul 2026506 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026409 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20264211 AMAQI
21st Jul 20265212 PMAQI
21st Jul 2026581 PMAQI
21st Jul 2026572 PMAQI
21st Jul 2026563 PMAQI
21st Jul 2026534 PMAQI
21st Jul 2026445 PMAQI
21st Jul 2026486 PMAQI
21st Jul 2026427 PMAQI
21st Jul 2026408 PMAQI
21st Jul 2026279 PMAQI
21st Jul 20263810 PMAQI
21st Jul 20263311 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026461 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026363 AMAQI
22nd Jul 2026324 AMAQI

26°C20/34°C

22nd Jul 2026485 AMAQI
22nd Jul 2026386 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026248 AMAQI
22nd Jul 2026269 AMAQI
22nd Jul 20262010 AMAQI
22nd Jul 20261311 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026161 PMAQI
22nd Jul 2026192 PMAQI
22nd Jul 2026183 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026266 PMAQI
22nd Jul 2026297 PMAQI
22nd Jul 2026298 PMAQI
22nd Jul 2026669 PMAQI
22nd Jul 20264610 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20263812 AMAQI
23rd Jul 2026331 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026423 AMAQI
23rd Jul 2026304 AMAQI

20°C16/26°C

23rd Jul 2026295 AMAQI
23rd Jul 2026276 AMAQI
23rd Jul 2026367 AMAQI
23rd Jul 2026448 AMAQI
23rd Jul 2026449 AMAQI
23rd Jul 20264210 AMAQI
23rd Jul 20262911 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026511 PMAQI
23rd Jul 2026442 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026426 PMAQI
23rd Jul 2026407 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026239 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20263411 PMAQI
24th Jul 20264812 AMAQI
24th Jul 2026401 AMAQI
24th Jul 2026462 AMAQI
24th Jul 2026443 AMAQI
24th Jul 2026464 AMAQI

20°C14/27°C

24th Jul 2026465 AMAQI
24th Jul 2026466 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026468 AMAQI
24th Jul 2026509 AMAQI
24th Jul 20265110 AMAQI
24th Jul 20264811 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026491 PMAQI
24th Jul 2026512 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026385 PMAQI
24th Jul 2026366 PMAQI
24th Jul 2026327 PMAQI
24th Jul 2026278 PMAQI
24th Jul 2026339 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263011 PMAQI
25th Jul 20265512 AMAQI
25th Jul 2026481 AMAQI
25th Jul 2026462 AMAQI
25th Jul 2026463 AMAQI
25th Jul 2026464 AMAQI

22°C15/28°C

25th Jul 2026445 AMAQI
25th Jul 2026216 AMAQI
25th Jul 2026387 AMAQI
25th Jul 2026508 AMAQI
25th Jul 2026489 AMAQI
25th Jul 20264710 AMAQI
25th Jul 20262111 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026381 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026443 PMAQI
25th Jul 2026444 PMAQI
25th Jul 2026445 PMAQI
25th Jul 2026486 PMAQI
25th Jul 2026507 PMAQI
25th Jul 2026518 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20265010 PMAQI
25th Jul 20264811 PMAQI
26th Jul 20264812 AMAQI
26th Jul 2026481 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026424 AMAQI

23°C17/31°C

26th Jul 2026445 AMAQI
26th Jul 2026506 AMAQI
26th Jul 2026507 AMAQI
26th Jul 2026488 AMAQI
26th Jul 2026469 AMAQI
26th Jul 20264610 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20264812 PMAQI
26th Jul 2026521 PMAQI
26th Jul 2026562 PMAQI
26th Jul 2026573 PMAQI
26th Jul 2026594 PMAQI
26th Jul 2026605 PMAQI
26th Jul 2026596 PMAQI
26th Jul 2026627 PMAQI
26th Jul 2026588 PMAQI
26th Jul 2026589 PMAQI
26th Jul 20265610 PMAQI
26th Jul 20265611 PMAQI
27th Jul 20265712 AMAQI
27th Jul 2026511 AMAQI
27th Jul 2026522 AMAQI
27th Jul 2026533 AMAQI
27th Jul 2026534 AMAQI

28°C22/36°C

27th Jul 2026545 AMAQI
27th Jul 2026576 AMAQI
27th Jul 2026597 AMAQI
27th Jul 2026628 AMAQI
27th Jul 2026629 AMAQI
27th Jul 20266310 AMAQI
27th Jul 20266011 AMAQI
27th Jul 20265812 PMAQI
27th Jul 2026601 PMAQI
27th Jul 2026562 PMAQI
27th Jul 2026503 PMAQI
27th Jul 2026464 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026346 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026428 PMAQI
27th Jul 2026449 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20264711 PMAQI
28th Jul 20264612 AMAQI
28th Jul 2026441 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026464 AMAQI

26°C23/32°C

28th Jul 2026465 AMAQI
28th Jul 2026426 AMAQI
28th Jul 2026427 AMAQI
28th Jul 2026448 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20264810 AMAQI
28th Jul 20265011 AMAQI
28th Jul 20264912 PMAQI
28th Jul 2026531 PMAQI
28th Jul 2026512 PMAQI
28th Jul 2026513 PMAQI
28th Jul 2026494 PMAQI
28th Jul 2026465 PMAQI
28th Jul 2026466 PMAQI
28th Jul 2026387 PMAQI
28th Jul 2026408 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20263611 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026362 AMAQI
29th Jul 2026273 AMAQI
29th Jul 2026304 AMAQI

22°C18/26°C

29th Jul 2026365 AMAQI
29th Jul 2026386 AMAQI
29th Jul 2026427 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20263010 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026402 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026344 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026386 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20264510 PMAQI
29th Jul 20263211 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026341 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026443 AMAQI
30th Jul 2026514 AMAQI

22°C17/28°C

30th Jul 2026465 AMAQI
30th Jul 2026326 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026408 AMAQI
30th Jul 2026469 AMAQI
30th Jul 20264210 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026424 PMAQI
30th Jul 2026405 PMAQI
30th Jul 2026426 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026509 PMAQI
30th Jul 20264610 PMAQI
30th Jul 20265111 PMAQI
31st Jul 20264912 AMAQI
31st Jul 2026461 AMAQI
31st Jul 2026482 AMAQI
31st Jul 2026463 AMAQI
31st Jul 2026484 AMAQI

25°C16/33°C

31st Jul 2026485 AMAQI
31st Jul 2026506 AMAQI
31st Jul 2026447 AMAQI
31st Jul 2026488 AMAQI
31st Jul 2026499 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20264612 PMAQI
31st Jul 2026421 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026443 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026425 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026317 PMAQI
31st Jul 2026278 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026381 AMAQI
1st Aug 2026292 AMAQI
1st Aug 2026423 AMAQI
1st Aug 2026424 AMAQI

24°C19/32°C

1st Aug 2026425 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026447 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20264410 AMAQI
1st Aug 20264211 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026482 PMAQI
1st Aug 2026463 PMAQI
1st Aug 2026514 PMAQI
1st Aug 2026425 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026409 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20264211 PMAQI
2nd Aug 20264612 AMAQI
2nd Aug 2026481 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026443 AMAQI
2nd Aug 2026444 AMAQI

21°C20/25°C

2nd Aug 2026465 AMAQI
2nd Aug 2026426 AMAQI
2nd Aug 2026407 AMAQI
2nd Aug 2026468 AMAQI
2nd Aug 2026469 AMAQI
2nd Aug 20264810 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20264412 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026443 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026445 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026488 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264411 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026253 AMAQI
3rd Aug 2026384 AMAQI

22°C19/26°C

3rd Aug 2026345 AMAQI
3rd Aug 2026406 AMAQI
3rd Aug 2026277 AMAQI
3rd Aug 2026348 AMAQI
3rd Aug 2026369 AMAQI
3rd Aug 20264010 AMAQI
3rd Aug 20263611 AMAQI
3rd Aug 20264212 PMAQI
3rd Aug 2026421 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026443 PMAQI
3rd Aug 2026484 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026426 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026429 PMAQI
3rd Aug 20264410 PMAQI
3rd Aug 20264211 PMAQI
4th Aug 20264912 AMAQI
4th Aug 2026441 AMAQI
4th Aug 2026482 AMAQI
4th Aug 2026483 AMAQI
4th Aug 2026464 AMAQI

22°C17/27°C

4th Aug 2026485 AMAQI
4th Aug 2026466 AMAQI
4th Aug 2026487 AMAQI
4th Aug 2026468 AMAQI
4th Aug 2026519 AMAQI
4th Aug 20265010 AMAQI
4th Aug 20265111 AMAQI
4th Aug 20264612 PMAQI
4th Aug 2026461 PMAQI
4th Aug 2026442 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026464 PMAQI
4th Aug 2026445 PMAQI
4th Aug 2026466 PMAQI
4th Aug 2026447 PMAQI
4th Aug 2026488 PMAQI
4th Aug 2026449 PMAQI
4th Aug 20264610 PMAQI
4th Aug 20264811 PMAQI
5th Aug 20264612 AMAQI
5th Aug 2026511 AMAQI
5th Aug 2026502 AMAQI
5th Aug 2026483 AMAQI
5th Aug 2026484 AMAQI

25°C19/33°C

5th Aug 2026425 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026467 AMAQI
5th Aug 2026508 AMAQI
5th Aug 2026529 AMAQI
5th Aug 20264910 AMAQI
5th Aug 20264811 AMAQI
5th Aug 20265112 PMAQI
5th Aug 2026511 PMAQI
5th Aug 2026532 PMAQI
5th Aug 2026513 PMAQI
5th Aug 2026464 PMAQI
5th Aug 2026525 PMAQI
5th Aug 2026506 PMAQI
5th Aug 2026487 PMAQI
5th Aug 2026488 PMAQI
5th Aug 2026409 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20264411 PMAQI
6th Aug 20264612 AMAQI
6th Aug 2026441 AMAQI
6th Aug 2026442 AMAQI
6th Aug 2026463 AMAQI
6th Aug 2026484 AMAQI

25°C21/30°C

6th Aug 2026445 AMAQI
6th Aug 2026486 AMAQI
6th Aug 2026487 AMAQI
6th Aug 2026488 AMAQI
6th Aug 2026549 AMAQI
6th Aug 20265610 AMAQI
6th Aug 20265711 AMAQI
6th Aug 20266312 PMAQI
6th Aug 2026591 PMAQI
6th Aug 2026602 PMAQI
6th Aug 2026603 PMAQI
6th Aug 2026574 PMAQI
6th Aug 2026555 PMAQI
6th Aug 2026556 PMAQI
6th Aug 2026527 PMAQI
6th Aug 2026538 PMAQI
6th Aug 2026519 PMAQI
6th Aug 20265210 PMAQI
6th Aug 20265311 PMAQI
7th Aug 20265212 AMAQI
7th Aug 2026521 AMAQI
7th Aug 2026512 AMAQI
7th Aug 2026513 AMAQI
7th Aug 2026504 AMAQI

23°C19/26°C

7th Aug 2026485 AMAQI
7th Aug 2026486 AMAQI
7th Aug 2026507 AMAQI
7th Aug 2026448 AMAQI
7th Aug 2026469 AMAQI
7th Aug 20264810 AMAQI
7th Aug 20265011 AMAQI
7th Aug 20264812 PMAQI
7th Aug 2026421 PMAQI
7th Aug 2026402 PMAQI
7th Aug 2026423 PMAQI
7th Aug 2026424 PMAQI
7th Aug 2026405 PMAQI
7th Aug 2026406 PMAQI
7th Aug 2026407 PMAQI
7th Aug 2026388 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20264410 PMAQI
7th Aug 20264611 PMAQI
8th Aug 20264612 AMAQI
8th Aug 2026441 AMAQI
8th Aug 2026502 AMAQI
8th Aug 2026463 AMAQI
8th Aug 2026484 AMAQI

25°C20/31°C

8th Aug 2026505 AMAQI
8th Aug 2026426 AMAQI
8th Aug 2026447 AMAQI
8th Aug 2026428 AMAQI
8th Aug 2026469 AMAQI
8th Aug 20264610 AMAQI
8th Aug 20264811 AMAQI
8th Aug 20264812 PMAQI
8th Aug 2026481 PMAQI
8th Aug 2026442 PMAQI
8th Aug 2026483 PMAQI
8th Aug 2026464 PMAQI
8th Aug 2026425 PMAQI
8th Aug 2026446 PMAQI
8th Aug 2026447 PMAQI
8th Aug 2026388 PMAQI
8th Aug 2026319 PMAQI
8th Aug 20263110 PMAQI
8th Aug 20264011 PMAQI
9th Aug 20264412 AMAQI
9th Aug 2026401 AMAQI
9th Aug 2026422 AMAQI
9th Aug 2026463 AMAQI
9th Aug 2026444 AMAQI

26°C21/33°C

9th Aug 2026465 AMAQI
9th Aug 2026516 AMAQI
9th Aug 2026497 AMAQI
9th Aug 2026488 AMAQI
9th Aug 2026469 AMAQI
9th Aug 20264210 AMAQI
9th Aug 20264011 AMAQI
9th Aug 20264012 PMAQI
9th Aug 2026441 PMAQI
9th Aug 2026402 PMAQI
9th Aug 2026483 PMAQI
9th Aug 2026444 PMAQI
9th Aug 2026405 PMAQI
9th Aug 2026406 PMAQI
9th Aug 2026407 PMAQI
9th Aug 2026448 PMAQI
9th Aug 2026409 PMAQI
9th Aug 20264610 PMAQI
9th Aug 20264611 PMAQI
10th Aug 20264412 AMAQI
10th Aug 2026441 AMAQI
10th Aug 2026462 AMAQI
10th Aug 2026443 AMAQI
10th Aug 2026514 AMAQI

25°C18/35°C

10th Aug 2026575 AMAQI
10th Aug 2026586 AMAQI
10th Aug 2026587 AMAQI
10th Aug 2026588 AMAQI
10th Aug 2026649 AMAQI
10th Aug 20266210 AMAQI
10th Aug 20266011 AMAQI
10th Aug 20265912 PMAQI
10th Aug 2026581 PMAQI
10th Aug 2026592 PMAQI
10th Aug 2026623 PMAQI
10th Aug 2026574 PMAQI
10th Aug 2026585 PMAQI
10th Aug 2026546 PMAQI
10th Aug 2026507 PMAQI
10th Aug 2026538 PMAQI
10th Aug 2026539 PMAQI
10th Aug 20264610 PMAQI
10th Aug 20264911 PMAQI
11th Aug 20264812 AMAQI
11th Aug 2026501 AMAQI
11th Aug 2026462 AMAQI
11th Aug 2026503 AMAQI
11th Aug 2026504 AMAQI

25°C22/29°C

11th Aug 2026505 AMAQI
11th Aug 2026506 AMAQI
11th Aug 2026497 AMAQI
11th Aug 2026488 AMAQI
11th Aug 2026519 AMAQI
11th Aug 20265310 AMAQI
11th Aug 20265411 AMAQI
11th Aug 20265412 PMAQI
11th Aug 2026501 PMAQI
11th Aug 2026462 PMAQI
11th Aug 2026463 PMAQI
11th Aug 2026484 PMAQI
11th Aug 2026425 PMAQI
11th Aug 2026426 PMAQI
11th Aug 2026447 PMAQI
11th Aug 2026428 PMAQI
11th Aug 2026449 PMAQI
11th Aug 20264210 PMAQI
11th Aug 20264611 PMAQI
12th Aug 20264412 AMAQI
12th Aug 2026461 AMAQI
12th Aug 2026442 AMAQI
12th Aug 2026463 AMAQI
12th Aug 2026464 AMAQI

25°C23/29°C

12th Aug 2026445 AMAQI
12th Aug 2026466 AMAQI
12th Aug 2026427 AMAQI
12th Aug 2026428 AMAQI
12th Aug 2026429 AMAQI
12th Aug 20264210 AMAQI
12th Aug 20264611 AMAQI
12th Aug 20264612 PMAQI
12th Aug 2026441 PMAQI
12th Aug 2026382 PMAQI
12th Aug 2026323 PMAQI
12th Aug 2026384 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026276 PMAQI
12th Aug 2026487 PMAQI
12th Aug 2026448 PMAQI
12th Aug 2026489 PMAQI
12th Aug 20265110 PMAQI
12th Aug 20265011 PMAQI
13th Aug 20265112 AMAQI
13th Aug 2026461 AMAQI
13th Aug 2026502 AMAQI
13th Aug 2026513 AMAQI
13th Aug 2026464 AMAQI

24°C21/29°C

13th Aug 2026525 AMAQI
13th Aug 2026516 AMAQI
13th Aug 2026537 AMAQI
13th Aug 2026528 AMAQI
13th Aug 2026539 AMAQI
13th Aug 20264910 AMAQI
13th Aug 20265311 AMAQI
13th Aug 20265712 PMAQI
13th Aug 2026591 PMAQI
13th Aug 2026642 PMAQI
13th Aug 2026663 PMAQI
13th Aug 2026664 PMAQI
13th Aug 2026695 PMAQI
13th Aug 2026666 PMAQI
13th Aug 2026657 PMAQI
13th Aug 2026658 PMAQI
13th Aug 2026739 PMAQI
13th Aug 20267610 PMAQI
13th Aug 20267811 PMAQI
14th Aug 20267812 AMAQI
14th Aug 2026741 AMAQI
14th Aug 2026682 AMAQI
14th Aug 2026623 AMAQI
14th Aug 2026594 AMAQI

23°C19/28°C

14th Aug 2026605 AMAQI
14th Aug 2026586 AMAQI
14th Aug 2026557 AMAQI
14th Aug 2026578 AMAQI
14th Aug 2026559 AMAQI
14th Aug 20265610 AMAQI
14th Aug 20265411 AMAQI
14th Aug 20265412 PMAQI
14th Aug 2026561 PMAQI
14th Aug 2026572 PMAQI
14th Aug 2026563 PMAQI
14th Aug 2026564 PMAQI
14th Aug 2026555 PMAQI
14th Aug 2026556 PMAQI
14th Aug 2026547 PMAQI
14th Aug 2026558 PMAQI
14th Aug 2026539 PMAQI
14th Aug 20265210 PMAQI
14th Aug 20265211 PMAQI
15th Aug 20264212 AMAQI
15th Aug 2026361 AMAQI
15th Aug 2026402 AMAQI
15th Aug 2026463 AMAQI
15th Aug 2026504 AMAQI

24°C21/27°C

15th Aug 2026465 AMAQI
5 AM
15th Aug 2026486 AMAQI
15th Aug 2026487 AMAQI
15th Aug 2026448 AMAQI
15th Aug 2026409 AMAQI
15th Aug 20264610 AMAQI
15th Aug 20264811 AMAQI
15th Aug 20264212 PMAQI
12 PM
15th Aug 2026331 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026383 PMAQI
15th Aug 2026424 PMAQI
15th Aug 2026295 PMAQI
15th Aug 2026386 PMAQI
15th Aug 2026237 PMAQI
15th Aug 2026238 PMAQI
8 PM
15th Aug 2026259 PMAQI
15th Aug 20263210 PMAQI
15th Aug 20263411 PMAQI
12 AM
4 AM

24°C22/26°C

Day time
Avg. Highest Time
5 AM - 10 AM

62AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
5 PM - 8 PM

50AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 10 AM (Avg. 62), while the lowest AQI was between 5 PM to 8 PM (Avg. 50).
Night time
Avg. Highest Time
3 AM - 4 AM

63AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
9 PM - 10 PM

51AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 63), while the lowest AQI was between 9 PM to 10 PM (Avg. 51).

2026 Days Vs Air Quality

Cicero2, Cicero, Illinois, United States

2026

91%

203

8%

18

0.8%

2

0.4%

1

Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)

Good
203 Days
Moderate
18 Days
Poor
2 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2026, 91% 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

Cicero2, Cicero, 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
19AQI (US)
2nd January 2026
26AQI (US)
3rd January 2026
28AQI (US)
4th January 2026
33AQI (US)
5th January 2026
49AQI (US)
6th January 2026
75AQI (US)
7th January 2026
54AQI (US)
8th January 2026
49AQI (US)
9th January 2026
24AQI (US)
10th January 2026
29AQI (US)
11th January 2026
22AQI (US)
12th January 2026
21AQI (US)
13th January 2026
28AQI (US)
14th January 2026
16AQI (US)
15th January 2026
13AQI (US)
16th January 2026
23AQI (US)
17th January 2026
17AQI (US)
18th January 2026
16AQI (US)
19th January 2026
20AQI (US)
20th January 2026
25AQI (US)
21st January 2026
35AQI (US)
22nd January 2026
60AQI (US)
23rd January 2026
58AQI (US)
24th January 2026
47AQI (US)
25th January 2026
49AQI (US)
26th January 2026
47AQI (US)
27th January 2026
36AQI (US)
28th January 2026
42AQI (US)
29th January 2026
50AQI (US)
30th January 2026
59AQI (US)
31st January 2026
42AQI (US)
1st February 2026
45AQI (US)
2nd February 2026
50AQI (US)
3rd February 2026
47AQI (US)
4th February 2026
43AQI (US)
5th February 2026
51AQI (US)
6th February 2026
45AQI (US)
7th February 2026
39AQI (US)
8th February 2026
41AQI (US)
9th February 2026
48AQI (US)
10th February 2026
40AQI (US)
11th February 2026
32AQI (US)
12th February 2026
30AQI (US)
13th February 2026
36AQI (US)
14th February 2026
42AQI (US)
15th February 2026
45AQI (US)
16th February 2026
41AQI (US)
17th February 2026
42AQI (US)
18th February 2026
40AQI (US)
19th February 2026
36AQI (US)
20th February 2026
36AQI (US)
21st February 2026
35AQI (US)
22nd February 2026
37AQI (US)
23rd February 2026
37AQI (US)
24th February 2026
37AQI (US)
25th February 2026
33AQI (US)
26th February 2026
29AQI (US)
27th February 2026
30AQI (US)
28th February 2026
33AQI (US)
1st March 2026
38AQI (US)
2nd March 2026
55AQI (US)
3rd March 2026
34AQI (US)
4th March 2026
41AQI (US)
5th March 2026
40AQI (US)
6th March 2026
31AQI (US)
7th March 2026
36AQI (US)
8th March 2026
40AQI (US)
9th March 2026
32AQI (US)
10th March 2026
32AQI (US)
11th March 2026
41AQI (US)
12th March 2026
38AQI (US)
13th March 2026
37AQI (US)
14th March 2026
36AQI (US)
15th March 2026
27AQI (US)
16th March 2026
37AQI (US)
17th March 2026
33AQI (US)
18th March 2026
27AQI (US)
19th March 2026
38AQI (US)
20th March 2026
39AQI (US)
21st March 2026
33AQI (US)
22nd March 2026
32AQI (US)
23rd March 2026
38AQI (US)
24th March 2026
28AQI (US)
25th March 2026
28AQI (US)
26th March 2026
33AQI (US)
27th March 2026
29AQI (US)
28th March 2026
28AQI (US)
29th March 2026
24AQI (US)
30th March 2026
25AQI (US)
31st March 2026
26AQI (US)
1st April 2026
30AQI (US)
2nd April 2026
23AQI (US)
3rd April 2026
28AQI (US)
4th April 2026
30AQI (US)
5th April 2026
30AQI (US)
6th April 2026
32AQI (US)
7th April 2026
28AQI (US)
8th April 2026
30AQI (US)
9th April 2026
22AQI (US)
10th April 2026
32AQI (US)
11th April 2026
28AQI (US)
12th April 2026
24AQI (US)
13th April 2026
24AQI (US)
14th April 2026
26AQI (US)
15th April 2026
28AQI (US)
16th April 2026
27AQI (US)
17th April 2026
18th April 2026
27AQI (US)
19th April 2026
33AQI (US)
20th April 2026
27AQI (US)
21st April 2026
18AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
24th April 2026
23AQI (US)
25th April 2026
26AQI (US)
26th April 2026
34AQI (US)
27th April 2026
17AQI (US)
28th April 2026
25AQI (US)
29th April 2026
24AQI (US)
30th April 2026
27AQI (US)
1st May 2026
24AQI (US)
2nd May 2026
23AQI (US)
3rd May 2026
20AQI (US)
4th May 2026
34AQI (US)
5th May 2026
37AQI (US)
6th May 2026
27AQI (US)
7th May 2026
23AQI (US)
8th May 2026
29AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
28AQI (US)
12th May 2026
22AQI (US)
13th May 2026
27AQI (US)
14th May 2026
25AQI (US)
15th May 2026
34AQI (US)
16th May 2026
47AQI (US)
17th May 2026
45AQI (US)
18th May 2026
53AQI (US)
19th May 2026
51AQI (US)
20th May 2026
50AQI (US)
21st May 2026
44AQI (US)
22nd May 2026
41AQI (US)
23rd May 2026
39AQI (US)
24th May 2026
40AQI (US)
25th May 2026
41AQI (US)
26th May 2026
32AQI (US)
27th May 2026
28AQI (US)
28th May 2026
15AQI (US)
29th May 2026
22AQI (US)
30th May 2026
27AQI (US)
31st May 2026
27AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
23AQI (US)
3rd June 2026
22AQI (US)
4th June 2026
24AQI (US)
5th June 2026
32AQI (US)
6th June 2026
22AQI (US)
7th June 2026
25AQI (US)
8th June 2026
26AQI (US)
9th June 2026
23AQI (US)
10th June 2026
23AQI (US)
11th June 2026
24AQI (US)
12th June 2026
25AQI (US)
13th June 2026
22AQI (US)
14th June 2026
21AQI (US)
15th June 2026
24AQI (US)
16th June 2026
25AQI (US)
17th June 2026
25AQI (US)
18th June 2026
24AQI (US)
19th June 2026
22AQI (US)
20th June 2026
20AQI (US)
21st June 2026
26AQI (US)
22nd June 2026
22AQI (US)
23rd June 2026
17AQI (US)
24th June 2026
24AQI (US)
25th June 2026
15AQI (US)
26th June 2026
25AQI (US)
27th June 2026
31AQI (US)
28th June 2026
27AQI (US)
29th June 2026
27AQI (US)
30th June 2026
37AQI (US)
1st July 2026
32AQI (US)
2nd July 2026
25AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
32AQI (US)
5th July 2026
44AQI (US)
6th July 2026
38AQI (US)
7th July 2026
37AQI (US)
8th July 2026
37AQI (US)
9th July 2026
29AQI (US)
10th July 2026
25AQI (US)
11th July 2026
39AQI (US)
12th July 2026
41AQI (US)
13th July 2026
43AQI (US)
14th July 2026
36AQI (US)
15th July 2026
49AQI (US)
16th July 2026
93AQI (US)
17th July 2026
187AQI (US)
18th July 2026
62AQI (US)
19th July 2026
137AQI (US)
20th July 2026
124AQI (US)
21st July 2026
56AQI (US)
22nd July 2026
32AQI (US)
23rd July 2026
36AQI (US)
24th July 2026
41AQI (US)
25th July 2026
44AQI (US)
26th July 2026
52AQI (US)
27th July 2026
51AQI (US)
28th July 2026
45AQI (US)
29th July 2026
33AQI (US)
30th July 2026
40AQI (US)
31st July 2026
42AQI (US)
1st August 2026
42AQI (US)
2nd August 2026
45AQI (US)
3rd August 2026
39AQI (US)
4th August 2026
47AQI (US)
5th August 2026
48AQI (US)
6th August 2026
52AQI (US)
7th August 2026
46AQI (US)
8th August 2026
44AQI (US)
9th August 2026
44AQI (US)
10th August 2026
54AQI (US)
11th August 2026
48AQI (US)
12th August 2026
43AQI (US)
13th August 2026
59AQI (US)
14th August 2026
58AQI (US)
15th August 2026
38AQI (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

36AQI (US)

39AQI (US)

34AQI (US)

27AQI (US)

33AQI (US)

24AQI (US)

52AQI (US)

47AQI (US)

No. of days

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

202636AQI (US)

26
5
27
1
30
1
28
28
2
30
23
5
2
1
11
4
203
18
2
1

Highest AQI (US) recorded in

July

52AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202541AQI (US)

30
1
26
2
29
2
27
3
31
14
16
14
16
1
17
14
17
13
21
10
19
11
18
13
263
101
1

Highest AQI (US) recorded in

June

55AQI (US)

Lowest AQI (US) recorded in

May

28AQI (US)

202433AQI (US)

27
3
22
7
30
1
30
31
28
1
28
3
30
1
28
2
27
4
29
1
29
2
339
25

Highest AQI (US) recorded in

February

37AQI (US)

Lowest AQI (US) recorded in

April

26AQI (US)

202339AQI (US)

18
6
26
2
30
1
29
1
27
4
5
21
3
22
7
1
21
10
26
4
28
27
2
26
5
285
63
1
3

Highest AQI (US) recorded in

June

70AQI (US)

Lowest AQI (US) recorded in

October

30AQI (US)

202235AQI (US)

28
2
18
3
28
3
23
1
28
3
27
3
18
3
2
25
1
25
6
26
4
23
7
271
36

Highest AQI (US) recorded in

June

38AQI (US)

Lowest AQI (US) recorded in

August

28AQI (US)

202135AQI (US)

23
6
15
7
9
1
27
2
1
31
29
1
22
9
25
6
29
26
2
25
3
22
4
283
41
1

Highest AQI (US) recorded in

February

44AQI (US)

Lowest AQI (US) recorded in

September

26AQI (US)

202033AQI (US)

12
20
4
11
25
5
23
7
23
6
23
5
29
1
27
1
28
1
214
37

Highest AQI (US) recorded in

May

49AQI (US)

Lowest AQI (US) recorded in

March

23AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI (US)
Least Polluted Year Recorded
2020(Avg.)
33AQI (US)

Cicero2's annual 2026 AQI (US) (36) shows an average percentage change of 0.6% (worsened AQI (US)) compared to previous years: 2020 (33), 2021 (35), 2022 (35), 2023 (39), 2024 (33), 2025 (41).