Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Aurora, 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+

July Air Quality Analysis

Aurora, Illinois, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Jul 2025
119AQI
Lowest AQI recorded on
18th Jul 2025
22AQI

Same Day Analysis (30th July):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 40 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Aurora, Illinois, United States

AQI
Day
Night
.

5 AM30th Jul 2026

8 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
5AM30th Jul

46AQI

Avg. Lowest Time
1PM30th Jul

32AQI

Night time
Avg. Highest Time
12AM31st Jul

54AQI

Avg. Lowest Time
2AM31st Jul

40AQI

In the last 24 hours,

Aurora's AQI reached its highest point of 54 at 12 AM during the Night, while the lowest point, 32, was recorded at 1 PM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Aurora, Illinois, United States

Jul
02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
2nd Jul 2026255 AMAQI
2nd Jul 2026216 AMAQI
2nd Jul 2026197 AMAQI
2nd Jul 2026218 AMAQI
2nd Jul 2026269 AMAQI
2nd Jul 20262610 AMAQI
2nd Jul 20261211 AMAQI
2nd Jul 20261912 PMAQI
2nd Jul 2026121 PMAQI
2nd Jul 2026122 PMAQI
2nd Jul 2026243 PMAQI
2nd Jul 2026254 PMAQI
2nd Jul 2026385 PMAQI
2nd Jul 2026386 PMAQI
2nd Jul 2026307 PMAQI
2nd Jul 2026268 PMAQI
2nd Jul 2026249 PMAQI
2nd Jul 20262410 PMAQI
2nd Jul 20262811 PMAQI
3rd Jul 20262612 AMAQI
3rd Jul 2026191 AMAQI
3rd Jul 2026282 AMAQI
3rd Jul 202693 AMAQI
3rd Jul 2026104 AMAQI

30°C25/35°C

3rd Jul 2026265 AMAQI
3rd Jul 2026226 AMAQI
3rd Jul 2026287 AMAQI
3rd Jul 2026208 AMAQI
3rd Jul 2026219 AMAQI
3rd Jul 20262010 AMAQI
3rd Jul 20263211 AMAQI
3rd Jul 20263812 PMAQI
3rd Jul 2026241 PMAQI
3rd Jul 2026292 PMAQI
3rd Jul 2026223 PMAQI
3rd Jul 2026244 PMAQI
3rd Jul 2026175 PMAQI
3rd Jul 2026286 PMAQI
3rd Jul 2026237 PMAQI
3rd Jul 2026228 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262510 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262812 AMAQI
4th Jul 2026301 AMAQI
4th Jul 2026402 AMAQI
4th Jul 2026323 AMAQI
4th Jul 2026104 AMAQI

27°C22/35°C

4th Jul 2026275 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026257 AMAQI
4th Jul 2026488 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262810 AMAQI
4th Jul 20264511 AMAQI
4th Jul 20262412 PMAQI
4th Jul 2026251 PMAQI
4th Jul 2026292 PMAQI
4th Jul 2026403 PMAQI
4th Jul 2026244 PMAQI
4th Jul 2026445 PMAQI
4th Jul 2026266 PMAQI
4th Jul 2026207 PMAQI
4th Jul 2026218 PMAQI
4th Jul 2026259 PMAQI
4th Jul 20262510 PMAQI
4th Jul 202611111 PMAQI
5th Jul 202611212 AMAQI
5th Jul 2026641 AMAQI
5th Jul 2026642 AMAQI
5th Jul 2026553 AMAQI
5th Jul 2026504 AMAQI

24°C21/31°C

5th Jul 2026335 AMAQI
5th Jul 2026496 AMAQI
5th Jul 2026287 AMAQI
5th Jul 2026488 AMAQI
5th Jul 2026479 AMAQI
5th Jul 20264610 AMAQI
5th Jul 20264411 AMAQI
5th Jul 20262812 PMAQI
5th Jul 2026541 PMAQI
5th Jul 2026452 PMAQI
5th Jul 2026563 PMAQI
5th Jul 2026454 PMAQI
5th Jul 2026445 PMAQI
5th Jul 2026486 PMAQI
5th Jul 2026447 PMAQI
5th Jul 2026448 PMAQI
5th Jul 2026269 PMAQI
5th Jul 20263310 PMAQI
5th Jul 20263311 PMAQI
6th Jul 20263312 AMAQI
6th Jul 2026291 AMAQI
6th Jul 2026472 AMAQI
6th Jul 2026473 AMAQI
6th Jul 2026484 AMAQI

22°C19/27°C

6th Jul 2026505 AMAQI
6th Jul 2026346 AMAQI
6th Jul 2026457 AMAQI
6th Jul 2026448 AMAQI
6th Jul 2026429 AMAQI
6th Jul 20262510 AMAQI
6th Jul 20264011 AMAQI
6th Jul 20264212 PMAQI
6th Jul 2026451 PMAQI
6th Jul 2026422 PMAQI
6th Jul 2026423 PMAQI
6th Jul 2026404 PMAQI
6th Jul 2026385 PMAQI
6th Jul 2026366 PMAQI
6th Jul 2026217 PMAQI
6th Jul 2026328 PMAQI
6th Jul 2026369 PMAQI
6th Jul 20263810 PMAQI
6th Jul 20264011 PMAQI
7th Jul 20262912 AMAQI
7th Jul 2026381 AMAQI
7th Jul 2026542 AMAQI
7th Jul 2026333 AMAQI
7th Jul 2026304 AMAQI

23°C19/29°C

7th Jul 2026425 AMAQI
7th Jul 2026456 AMAQI
7th Jul 2026387 AMAQI
7th Jul 2026338 AMAQI
7th Jul 2026339 AMAQI
7th Jul 20263310 AMAQI
7th Jul 20263111 AMAQI
7th Jul 20263312 PMAQI
7th Jul 2026381 PMAQI
7th Jul 2026382 PMAQI
7th Jul 2026333 PMAQI
7th Jul 2026384 PMAQI
7th Jul 2026335 PMAQI
7th Jul 2026336 PMAQI
7th Jul 2026337 PMAQI
7th Jul 2026388 PMAQI
7th Jul 2026449 PMAQI
7th Jul 20264610 PMAQI
7th Jul 20263611 PMAQI
8th Jul 20263812 AMAQI
8th Jul 2026421 AMAQI
8th Jul 2026422 AMAQI
8th Jul 2026423 AMAQI
8th Jul 2026544 AMAQI

24°C18/31°C

8th Jul 2026425 AMAQI
8th Jul 2026426 AMAQI
8th Jul 2026467 AMAQI
8th Jul 2026468 AMAQI
8th Jul 2026429 AMAQI
8th Jul 20263410 AMAQI
8th Jul 20263311 AMAQI
8th Jul 20263312 PMAQI
8th Jul 2026401 PMAQI
8th Jul 2026292 PMAQI
8th Jul 2026363 PMAQI
8th Jul 2026444 PMAQI
8th Jul 2026445 PMAQI
8th Jul 2026386 PMAQI
8th Jul 2026297 PMAQI
8th Jul 2026338 PMAQI
8th Jul 2026299 PMAQI
8th Jul 20263310 PMAQI
8th Jul 20263811 PMAQI
9th Jul 20263312 AMAQI
9th Jul 2026441 AMAQI
9th Jul 2026492 AMAQI
9th Jul 2026523 AMAQI
9th Jul 2026294 AMAQI

26°C18/33°C

9th Jul 2026295 AMAQI
9th Jul 2026216 AMAQI
9th Jul 2026437 AMAQI
9th Jul 2026288 AMAQI
9th Jul 2026349 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026291 PMAQI
9th Jul 2026282 PMAQI
9th Jul 2026303 PMAQI
9th Jul 2026174 PMAQI
9th Jul 2026235 PMAQI
9th Jul 2026176 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026178 PMAQI
9th Jul 2026219 PMAQI
9th Jul 20262110 PMAQI
9th Jul 20261811 PMAQI
10th Jul 20262212 AMAQI
10th Jul 2026201 AMAQI
10th Jul 2026172 AMAQI
10th Jul 2026103 AMAQI
10th Jul 2026414 AMAQI

26°C21/33°C

10th Jul 2026405 AMAQI
10th Jul 2026446 AMAQI
10th Jul 2026217 AMAQI
10th Jul 2026328 AMAQI
10th Jul 2026219 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20261711 AMAQI
10th Jul 20262112 PMAQI
10th Jul 2026171 PMAQI
10th Jul 2026212 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026214 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026367 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263310 PMAQI
10th Jul 20262911 PMAQI
11th Jul 20263812 AMAQI
11th Jul 2026371 AMAQI
11th Jul 2026442 AMAQI
11th Jul 2026723 AMAQI
11th Jul 2026564 AMAQI

25°C21/31°C

11th Jul 2026545 AMAQI
11th Jul 2026466 AMAQI
11th Jul 2026467 AMAQI
11th Jul 2026428 AMAQI
11th Jul 2026429 AMAQI
11th Jul 20264210 AMAQI
11th Jul 20264311 AMAQI
11th Jul 20264212 PMAQI
11th Jul 2026421 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026255 PMAQI
11th Jul 2026276 PMAQI
11th Jul 2026267 PMAQI
11th Jul 2026408 PMAQI
11th Jul 2026409 PMAQI
11th Jul 20265110 PMAQI
11th Jul 20263211 PMAQI
12th Jul 20264612 AMAQI
12th Jul 2026381 AMAQI
12th Jul 2026332 AMAQI
12th Jul 2026373 AMAQI
12th Jul 2026284 AMAQI

24°C18/31°C

12th Jul 2026425 AMAQI
12th Jul 2026426 AMAQI
12th Jul 2026447 AMAQI
12th Jul 2026428 AMAQI
12th Jul 2026469 AMAQI
12th Jul 20265410 AMAQI
12th Jul 20264911 AMAQI
12th Jul 20264912 PMAQI
12th Jul 2026381 PMAQI
12th Jul 2026342 PMAQI
12th Jul 2026383 PMAQI
12th Jul 2026504 PMAQI
12th Jul 2026505 PMAQI
12th Jul 2026446 PMAQI
12th Jul 2026427 PMAQI
12th Jul 2026368 PMAQI
12th Jul 2026389 PMAQI
12th Jul 20264210 PMAQI
12th Jul 20264211 PMAQI
13th Jul 20265012 AMAQI
13th Jul 2026461 AMAQI
13th Jul 2026462 AMAQI
13th Jul 2026463 AMAQI
13th Jul 2026504 AMAQI

25°C18/32°C

13th Jul 2026465 AMAQI
13th Jul 2026526 AMAQI
13th Jul 2026407 AMAQI
13th Jul 2026428 AMAQI
13th Jul 2026429 AMAQI
13th Jul 20265310 AMAQI
13th Jul 20265011 AMAQI
13th Jul 20264812 PMAQI
13th Jul 2026381 PMAQI
13th Jul 2026382 PMAQI
13th Jul 2026293 PMAQI
13th Jul 2026334 PMAQI
13th Jul 2026365 PMAQI
13th Jul 2026386 PMAQI
13th Jul 2026447 PMAQI
13th Jul 2026428 PMAQI
13th Jul 2026409 PMAQI
13th Jul 20264410 PMAQI
13th Jul 20263311 PMAQI
14th Jul 20263312 AMAQI
14th Jul 2026501 AMAQI
14th Jul 2026522 AMAQI
14th Jul 2026503 AMAQI
14th Jul 2026484 AMAQI

27°C19/35°C

14th Jul 2026335 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026367 AMAQI
14th Jul 2026388 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20263610 AMAQI
14th Jul 20263511 AMAQI
14th Jul 20264512 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026372 PMAQI
14th Jul 2026343 PMAQI
14th Jul 2026264 PMAQI
14th Jul 2026315 PMAQI
14th Jul 2026346 PMAQI
14th Jul 2026387 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026259 PMAQI
14th Jul 20262510 PMAQI
14th Jul 20262211 PMAQI
15th Jul 20262012 AMAQI
15th Jul 2026421 AMAQI
15th Jul 2026942 AMAQI
15th Jul 2026503 AMAQI
15th Jul 2026294 AMAQI

28°C20/37°C

15th Jul 2026295 AMAQI
15th Jul 2026346 AMAQI
15th Jul 2026867 AMAQI
15th Jul 2026338 AMAQI
15th Jul 2026529 AMAQI
15th Jul 20264410 AMAQI
15th Jul 20264411 AMAQI
15th Jul 20264712 PMAQI
15th Jul 2026441 PMAQI
15th Jul 2026552 PMAQI
15th Jul 2026443 PMAQI
15th Jul 2026404 PMAQI
15th Jul 2026295 PMAQI
15th Jul 2026406 PMAQI
15th Jul 2026427 PMAQI
15th Jul 2026408 PMAQI
15th Jul 2026629 PMAQI
15th Jul 202613010 PMAQI
15th Jul 202610411 PMAQI
16th Jul 202614412 AMAQI
16th Jul 2026981 AMAQI
16th Jul 2026242 AMAQI
16th Jul 2026683 AMAQI
16th Jul 20261014 AMAQI

29°C22/37°C

16th Jul 20261045 AMAQI
16th Jul 20262106 AMAQI
16th Jul 20261227 AMAQI
16th Jul 20261458 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20263111 AMAQI
16th Jul 202626512 PMAQI
16th Jul 2026311 PMAQI
16th Jul 20261362 PMAQI
16th Jul 20261143 PMAQI
16th Jul 20261004 PMAQI
16th Jul 20261305 PMAQI
16th Jul 2026546 PMAQI
16th Jul 20261057 PMAQI
16th Jul 2026328 PMAQI
16th Jul 2026289 PMAQI
16th Jul 202610910 PMAQI
16th Jul 202611811 PMAQI
17th Jul 202616612 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026312 AMAQI
17th Jul 20262443 AMAQI
17th Jul 20263734 AMAQI

28°C22/37°C

17th Jul 2026645 AMAQI
17th Jul 2026746 AMAQI
17th Jul 2026707 AMAQI
17th Jul 2026768 AMAQI
17th Jul 2026709 AMAQI
17th Jul 20267410 AMAQI
17th Jul 20266811 AMAQI
17th Jul 20267012 PMAQI
17th Jul 2026761 PMAQI
17th Jul 2026682 PMAQI
17th Jul 2026693 PMAQI
17th Jul 2026744 PMAQI
17th Jul 2026665 PMAQI
17th Jul 2026666 PMAQI
17th Jul 2026667 PMAQI
17th Jul 2026608 PMAQI
17th Jul 2026559 PMAQI
17th Jul 20265110 PMAQI
17th Jul 20265211 PMAQI
18th Jul 20265012 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026462 AMAQI
18th Jul 2026503 AMAQI
18th Jul 2026524 AMAQI

28°C22/35°C

18th Jul 2026465 AMAQI
18th Jul 2026486 AMAQI
18th Jul 2026487 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026509 AMAQI
18th Jul 20265010 AMAQI
18th Jul 20264611 AMAQI
18th Jul 20264212 PMAQI
18th Jul 2026461 PMAQI
18th Jul 2026462 PMAQI
18th Jul 2026443 PMAQI
18th Jul 2026514 PMAQI
18th Jul 2026505 PMAQI
18th Jul 2026526 PMAQI
18th Jul 2026547 PMAQI
18th Jul 2026608 PMAQI
18th Jul 2026669 PMAQI
18th Jul 20267210 PMAQI
18th Jul 20266011 PMAQI
19th Jul 20265712 AMAQI
19th Jul 2026581 AMAQI
19th Jul 2026572 AMAQI
19th Jul 20261673 AMAQI
19th Jul 20261724 AMAQI

27°C23/33°C

19th Jul 2026715 AMAQI
19th Jul 2026656 AMAQI
19th Jul 2026727 AMAQI
19th Jul 2026738 AMAQI
19th Jul 2026739 AMAQI
19th Jul 20267210 AMAQI
19th Jul 20268311 AMAQI
19th Jul 20267612 PMAQI
19th Jul 2026761 PMAQI
19th Jul 2026762 PMAQI
19th Jul 2026783 PMAQI
19th Jul 2026784 PMAQI
19th Jul 2026765 PMAQI
19th Jul 2026736 PMAQI
19th Jul 2026887 PMAQI
19th Jul 2026808 PMAQI
19th Jul 2026739 PMAQI
19th Jul 20267010 PMAQI
19th Jul 20266511 PMAQI
20th Jul 20266412 AMAQI
20th Jul 2026691 AMAQI
20th Jul 2026712 AMAQI
20th Jul 20261303 AMAQI
20th Jul 20261324 AMAQI

24°C19/31°C

20th Jul 2026755 AMAQI
20th Jul 2026786 AMAQI
20th Jul 2026787 AMAQI
20th Jul 2026908 AMAQI
20th Jul 2026809 AMAQI
20th Jul 20269010 AMAQI
20th Jul 20267411 AMAQI
20th Jul 20266812 PMAQI
20th Jul 2026621 PMAQI
20th Jul 2026682 PMAQI
20th Jul 2026743 PMAQI
20th Jul 2026714 PMAQI
20th Jul 2026745 PMAQI
20th Jul 2026826 PMAQI
20th Jul 2026837 PMAQI
20th Jul 2026828 PMAQI
20th Jul 2026709 PMAQI
20th Jul 20266411 PMAQI
21st Jul 20267012 AMAQI
21st Jul 2026621 AMAQI
21st Jul 2026622 AMAQI
21st Jul 2026763 AMAQI
21st Jul 2026664 AMAQI

23°C16/30°C

21st Jul 2026525 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026487 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026409 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20264411 AMAQI
21st Jul 20265312 PMAQI
21st Jul 2026571 PMAQI
21st Jul 2026582 PMAQI
21st Jul 2026573 PMAQI
21st Jul 2026534 PMAQI
21st Jul 2026495 PMAQI
21st Jul 2026466 PMAQI
21st Jul 2026447 PMAQI
21st Jul 2026508 PMAQI
21st Jul 2026469 PMAQI
21st Jul 20265110 PMAQI
21st Jul 20263211 PMAQI
22nd Jul 20264612 AMAQI
22nd Jul 2026341 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026244 AMAQI

25°C20/31°C

22nd Jul 2026525 AMAQI
22nd Jul 2026446 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026328 AMAQI
22nd Jul 2026289 AMAQI
22nd Jul 20262210 AMAQI
22nd Jul 20262211 AMAQI
22nd Jul 20262412 PMAQI
22nd Jul 2026201 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026183 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026265 PMAQI
22nd Jul 2026266 PMAQI
22nd Jul 2026317 PMAQI
22nd Jul 2026298 PMAQI
22nd Jul 2026669 PMAQI
22nd Jul 20264810 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20264012 AMAQI
23rd Jul 2026581 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026483 AMAQI
23rd Jul 2026424 AMAQI

19°C15/25°C

23rd Jul 2026425 AMAQI
23rd Jul 2026466 AMAQI
23rd Jul 2026467 AMAQI
23rd Jul 2026518 AMAQI
23rd Jul 2026489 AMAQI
23rd Jul 20264610 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026581 PMAQI
23rd Jul 2026442 PMAQI
23rd Jul 2026403 PMAQI
23rd Jul 2026364 PMAQI
23rd Jul 2026465 PMAQI
23rd Jul 2026426 PMAQI
23rd Jul 2026427 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20264611 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026501 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026503 AMAQI
24th Jul 2026524 AMAQI

20°C12/28°C

24th Jul 2026525 AMAQI
24th Jul 2026516 AMAQI
24th Jul 2026517 AMAQI
24th Jul 2026528 AMAQI
24th Jul 2026559 AMAQI
24th Jul 20265210 AMAQI
24th Jul 20264811 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026441 PMAQI
24th Jul 2026442 PMAQI
24th Jul 2026443 PMAQI
24th Jul 2026424 PMAQI
24th Jul 2026445 PMAQI
24th Jul 2026446 PMAQI
24th Jul 2026427 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20264410 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026441 AMAQI
25th Jul 2026462 AMAQI
25th Jul 2026483 AMAQI
25th Jul 2026504 AMAQI

21°C16/28°C

25th Jul 2026495 AMAQI
25th Jul 2026506 AMAQI
25th Jul 2026567 AMAQI
25th Jul 2026578 AMAQI
25th Jul 2026549 AMAQI
25th Jul 20265410 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20265312 PMAQI
25th Jul 2026521 PMAQI
25th Jul 2026512 PMAQI
25th Jul 2026513 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026525 PMAQI
25th Jul 2026446 PMAQI
25th Jul 2026497 PMAQI
25th Jul 2026518 PMAQI
25th Jul 2026499 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20265211 PMAQI
26th Jul 20265212 AMAQI
26th Jul 2026491 AMAQI
26th Jul 2026482 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026504 AMAQI

21°C16/27°C

26th Jul 2026515 AMAQI
26th Jul 2026516 AMAQI
26th Jul 2026487 AMAQI
26th Jul 2026528 AMAQI
26th Jul 2026509 AMAQI
26th Jul 20265110 AMAQI
26th Jul 20264811 AMAQI
26th Jul 20264812 PMAQI
26th Jul 2026521 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026564 PMAQI
26th Jul 2026545 PMAQI
26th Jul 2026566 PMAQI
26th Jul 2026577 PMAQI
26th Jul 2026548 PMAQI
26th Jul 2026569 PMAQI
26th Jul 20265510 PMAQI
26th Jul 20265411 PMAQI
27th Jul 20265212 AMAQI
27th Jul 2026521 AMAQI
27th Jul 2026532 AMAQI
27th Jul 2026543 AMAQI
27th Jul 2026574 AMAQI

27°C22/35°C

27th Jul 2026555 AMAQI
27th Jul 2026586 AMAQI
27th Jul 2026587 AMAQI
27th Jul 2026628 AMAQI
27th Jul 2026629 AMAQI
27th Jul 20265910 AMAQI
27th Jul 20265911 AMAQI
27th Jul 20265812 PMAQI
27th Jul 2026591 PMAQI
27th Jul 2026562 PMAQI
27th Jul 2026423 PMAQI
27th Jul 2026444 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026326 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026489 PMAQI
27th Jul 20265010 PMAQI
27th Jul 20265111 PMAQI
28th Jul 20264212 AMAQI
28th Jul 2026441 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026464 AMAQI

27°C23/36°C

28th Jul 2026505 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026467 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026429 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20265011 AMAQI
28th Jul 20265312 PMAQI
28th Jul 2026571 PMAQI
28th Jul 2026562 PMAQI
28th Jul 2026573 PMAQI
28th Jul 2026554 PMAQI
28th Jul 2026545 PMAQI
28th Jul 2026526 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026428 PMAQI
28th Jul 2026329 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20263611 PMAQI
29th Jul 20263612 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026254 AMAQI

23°C19/29°C

29th Jul 2026385 AMAQI
29th Jul 2026406 AMAQI
29th Jul 2026427 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20263210 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026321 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026363 PMAQI
29th Jul 2026344 PMAQI
29th Jul 2026265 PMAQI
29th Jul 2026406 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20264210 PMAQI
29th Jul 20263011 PMAQI
30th Jul 20264212 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026493 AMAQI
30th Jul 2026544 AMAQI

22°C15/31°C

30th Jul 2026465 AMAQI
30th Jul 2026326 AMAQI
30th Jul 2026347 AMAQI
30th Jul 2026468 AMAQI
30th Jul 2026409 AMAQI
30th Jul 20264010 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20264012 PMAQI
30th Jul 2026321 PMAQI
30th Jul 2026362 PMAQI
30th Jul 2026363 PMAQI
30th Jul 2026384 PMAQI
30th Jul 2026405 PMAQI
30th Jul 2026406 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026428 PMAQI
30th Jul 2026449 PMAQI
30th Jul 20264810 PMAQI
30th Jul 20264911 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026441 AMAQI
31st Jul 2026402 AMAQI
31st Jul 2026443 AMAQI
31st Jul 2026484 AMAQI

24°C15/33°C

31st Jul 2026575 AMAQI
5 AM
31st Jul 2026566 AMAQI
31st Jul 2026547 AMAQI
31st Jul 2026488 AMAQI
31st Jul 2026489 AMAQI
31st Jul 20265210 AMAQI
31st Jul 20264911 AMAQI
31st Jul 20264912 PMAQI
12 PM
31st Jul 2026501 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026443 PMAQI
31st Jul 2026444 PMAQI
31st Jul 2026445 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026317 PMAQI
31st Jul 2026328 PMAQI
8 PM
12 AM
4 AM

23°C18/30°C

Day time
Avg. Highest Time
6 AM - 8 AM

49AQI

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

41AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 AM (Avg. 49), while the lowest AQI was between 8 PM to 8 PM (Avg. 41).
Night time
Avg. Highest Time
4 AM

62AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 PM

42AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 62), while the lowest AQI was between 9 PM to 9 PM (Avg. 42).

2026 Days Vs Air Quality

Aurora, Illinois, United States

2026

90%

188

10%

20

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
188 Days
Moderate
20 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 90%

Health Risk Level:

Very Low

In 2026, 90% of 212 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

Aurora, 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
16AQI (US)
2nd January 2026
22AQI (US)
3rd January 2026
26AQI (US)
4th January 2026
26AQI (US)
5th January 2026
44AQI (US)
6th January 2026
62AQI (US)
7th January 2026
44AQI (US)
8th January 2026
42AQI (US)
9th January 2026
18AQI (US)
10th January 2026
26AQI (US)
11th January 2026
19AQI (US)
12th January 2026
20AQI (US)
13th January 2026
24AQI (US)
14th January 2026
13AQI (US)
15th January 2026
12AQI (US)
16th January 2026
19AQI (US)
17th January 2026
15AQI (US)
18th January 2026
14AQI (US)
19th January 2026
19AQI (US)
20th January 2026
22AQI (US)
21st January 2026
33AQI (US)
22nd January 2026
58AQI (US)
23rd January 2026
58AQI (US)
24th January 2026
48AQI (US)
25th January 2026
49AQI (US)
26th January 2026
46AQI (US)
27th January 2026
37AQI (US)
28th January 2026
43AQI (US)
29th January 2026
50AQI (US)
30th January 2026
59AQI (US)
31st January 2026
42AQI (US)
1st February 2026
45AQI (US)
2nd February 2026
51AQI (US)
3rd February 2026
48AQI (US)
4th February 2026
44AQI (US)
5th February 2026
51AQI (US)
6th February 2026
45AQI (US)
7th February 2026
40AQI (US)
8th February 2026
41AQI (US)
9th February 2026
48AQI (US)
10th February 2026
48AQI (US)
11th February 2026
37AQI (US)
12th February 2026
38AQI (US)
13th February 2026
50AQI (US)
14th February 2026
50AQI (US)
15th February 2026
46AQI (US)
16th February 2026
45AQI (US)
17th February 2026
48AQI (US)
18th February 2026
44AQI (US)
19th February 2026
43AQI (US)
20th February 2026
38AQI (US)
21st February 2026
35AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
37AQI (US)
24th February 2026
45AQI (US)
25th February 2026
43AQI (US)
26th February 2026
34AQI (US)
27th February 2026
34AQI (US)
28th February 2026
34AQI (US)
1st March 2026
39AQI (US)
2nd March 2026
56AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
45AQI (US)
5th March 2026
46AQI (US)
6th March 2026
41AQI (US)
7th March 2026
37AQI (US)
8th March 2026
40AQI (US)
9th March 2026
36AQI (US)
10th March 2026
35AQI (US)
11th March 2026
42AQI (US)
12th March 2026
38AQI (US)
13th March 2026
40AQI (US)
14th March 2026
35AQI (US)
15th March 2026
31AQI (US)
16th March 2026
37AQI (US)
17th March 2026
34AQI (US)
18th March 2026
30AQI (US)
19th March 2026
40AQI (US)
20th March 2026
44AQI (US)
21st March 2026
39AQI (US)
22nd March 2026
34AQI (US)
23rd March 2026
40AQI (US)
24th March 2026
35AQI (US)
25th March 2026
33AQI (US)
26th March 2026
32AQI (US)
27th March 2026
29AQI (US)
28th March 2026
29AQI (US)
29th March 2026
30AQI (US)
30th March 2026
28AQI (US)
31st March 2026
27AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
29AQI (US)
3rd April 2026
27AQI (US)
4th April 2026
31AQI (US)
5th April 2026
30AQI (US)
6th April 2026
31AQI (US)
7th April 2026
28AQI (US)
8th April 2026
35AQI (US)
9th April 2026
30AQI (US)
10th April 2026
33AQI (US)
11th April 2026
29AQI (US)
12th April 2026
29AQI (US)
13th April 2026
32AQI (US)
14th April 2026
32AQI (US)
15th April 2026
33AQI (US)
16th April 2026
29AQI (US)
17th April 2026
18th April 2026
28AQI (US)
19th April 2026
32AQI (US)
20th April 2026
27AQI (US)
21st April 2026
26AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
24th April 2026
27AQI (US)
25th April 2026
28AQI (US)
26th April 2026
33AQI (US)
27th April 2026
26AQI (US)
28th April 2026
25AQI (US)
29th April 2026
24AQI (US)
30th April 2026
27AQI (US)
1st May 2026
25AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
22AQI (US)
4th May 2026
35AQI (US)
5th May 2026
37AQI (US)
6th May 2026
28AQI (US)
7th May 2026
26AQI (US)
8th May 2026
34AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
28AQI (US)
12th May 2026
26AQI (US)
13th May 2026
28AQI (US)
14th May 2026
25AQI (US)
15th May 2026
47AQI (US)
16th May 2026
51AQI (US)
17th May 2026
56AQI (US)
18th May 2026
57AQI (US)
19th May 2026
55AQI (US)
20th May 2026
50AQI (US)
21st May 2026
42AQI (US)
22nd May 2026
45AQI (US)
23rd May 2026
50AQI (US)
24th May 2026
46AQI (US)
25th May 2026
45AQI (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
30AQI (US)
2nd June 2026
23AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
24AQI (US)
5th June 2026
32AQI (US)
6th June 2026
22AQI (US)
7th June 2026
24AQI (US)
8th June 2026
27AQI (US)
9th June 2026
23AQI (US)
10th June 2026
24AQI (US)
11th June 2026
25AQI (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
25AQI (US)
19th June 2026
22AQI (US)
20th June 2026
21AQI (US)
21st June 2026
25AQI (US)
22nd June 2026
22AQI (US)
23rd June 2026
17AQI (US)
24th June 2026
24AQI (US)
25th June 2026
25AQI (US)
26th June 2026
25AQI (US)
27th June 2026
32AQI (US)
28th June 2026
28AQI (US)
29th June 2026
28AQI (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
48AQI (US)
6th July 2026
39AQI (US)
7th July 2026
37AQI (US)
8th July 2026
39AQI (US)
9th July 2026
29AQI (US)
10th July 2026
27AQI (US)
11th July 2026
40AQI (US)
12th July 2026
42AQI (US)
13th July 2026
43AQI (US)
14th July 2026
36AQI (US)
15th July 2026
51AQI (US)
16th July 2026
97AQI (US)
17th July 2026
88AQI (US)
18th July 2026
51AQI (US)
19th July 2026
80AQI (US)
20th July 2026
80AQI (US)
21st July 2026
52AQI (US)
22nd July 2026
33AQI (US)
23rd July 2026
44AQI (US)
24th July 2026
47AQI (US)
25th July 2026
50AQI (US)
26th July 2026
52AQI (US)
27th July 2026
51AQI (US)
28th July 2026
47AQI (US)
29th July 2026
34AQI (US)
30th July 2026
40AQI (US)
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
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

33AQI (US)

43AQI (US)

37AQI (US)

29AQI (US)

35AQI (US)

25AQI (US)

46AQI (US)

No. of days

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

202636AQI (US)

27
4
26
2
30
1
28
26
4
30
21
9
188
20

Highest AQI (US) recorded in

July

46AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202540AQI (US)

5
27
3
30
1
15
15
17
13
1
19
11
1
23
7
26
5
25
5
19
12
206
72
2

Highest AQI (US) recorded in

June

52AQI (US)

Lowest AQI (US) recorded in

May

29AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
40AQI (US)
Least Polluted Year Recorded
2026(Avg.)
36AQI (US)

Aurora's annual 2026 AQI (US) (36) shows an average percentage change of -10% (improved AQI (US)) compared to previous years: 2025 (40).