Naperville Park District, Naperville, 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
Naperville Park District, Naperville, Illinois, United States
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
107AQILowest AQI recorded on
25th Aug 2025
18AQISame Day Analysis (16th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Naperville Park District, Naperville, Illinois, United States
AQI
Day
Night
.
5 AM15th Aug 2026
8 PM
4 AM16th Aug 2026
Day time
Avg. Highest Time
6AM15th Aug
49AQI
Avg. Lowest Time
7PM15th Aug
23AQI
Night time
Avg. Highest Time
5AM15th Aug
48AQI
Avg. Lowest Time
1AM16th Aug
25AQI
In the last 24 hours,
Naperville Park District's AQI reached its highest point of 49 at 6 AM during the Day, while the lowest point, 23, was recorded at 7 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Naperville Park District, Naperville, Illinois, United States
JulAug
18th - 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 - 16th16th
Day
Night
18th Jul 2026465 AMAQI
18th Jul 2026506 AMAQI
18th Jul 2026487 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20264610 AMAQI
18th Jul 20264611 AMAQI
18th Jul 20264412 PMAQI
18th Jul 2026461 PMAQI
18th Jul 2026442 PMAQI
18th Jul 2026463 PMAQI
18th Jul 2026444 PMAQI
18th Jul 2026485 PMAQI
18th Jul 2026516 PMAQI
18th Jul 2026567 PMAQI
18th Jul 2026608 PMAQI
18th Jul 2026629 PMAQI
18th Jul 20267610 PMAQI
18th Jul 20266011 PMAQI
19th Jul 20265712 AMAQI
19th Jul 2026591 AMAQI
19th Jul 2026572 AMAQI
19th Jul 20261753 AMAQI
19th Jul 20261704 AMAQI
27°C24/34°C
19th Jul 2026715 AMAQI
19th Jul 2026666 AMAQI
19th Jul 2026807 AMAQI
19th Jul 2026748 AMAQI
19th Jul 2026749 AMAQI
19th Jul 20267610 AMAQI
19th Jul 20268311 AMAQI
19th Jul 20268112 PMAQI
19th Jul 2026811 PMAQI
19th Jul 2026762 PMAQI
19th Jul 2026823 PMAQI
19th Jul 2026824 PMAQI
19th Jul 2026735 PMAQI
19th Jul 2026806 PMAQI
19th Jul 2026867 PMAQI
19th Jul 2026818 PMAQI
19th Jul 2026749 PMAQI
19th Jul 20267210 PMAQI
19th Jul 20266411 PMAQI
20th Jul 20266712 AMAQI
20th Jul 2026701 AMAQI
20th Jul 2026762 AMAQI
20th Jul 20261363 AMAQI
20th Jul 20261294 AMAQI
24°C19/31°C
20th Jul 2026785 AMAQI
20th Jul 2026746 AMAQI
20th Jul 2026847 AMAQI
20th Jul 2026978 AMAQI
20th Jul 2026869 AMAQI
20th Jul 20268310 AMAQI
20th Jul 20267811 AMAQI
20th Jul 20267212 PMAQI
20th Jul 2026651 PMAQI
20th Jul 2026732 PMAQI
20th Jul 2026743 PMAQI
20th Jul 2026744 PMAQI
20th Jul 2026725 PMAQI
20th Jul 2026786 PMAQI
20th Jul 2026837 PMAQI
20th Jul 2026858 PMAQI
20th Jul 2026769 PMAQI
20th Jul 20266311 PMAQI
21st Jul 20266612 AMAQI
21st Jul 2026661 AMAQI
21st Jul 2026622 AMAQI
21st Jul 2026883 AMAQI
21st Jul 2026694 AMAQI
23°C17/30°C
21st Jul 2026555 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026527 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026409 AMAQI
21st Jul 20265110 AMAQI
21st Jul 20264611 AMAQI
21st Jul 20265412 PMAQI
21st Jul 2026581 PMAQI
21st Jul 2026602 PMAQI
21st Jul 2026583 PMAQI
21st Jul 2026534 PMAQI
21st Jul 2026485 PMAQI
21st Jul 2026466 PMAQI
21st Jul 2026427 PMAQI
21st Jul 2026448 PMAQI
21st Jul 2026449 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20263211 PMAQI
22nd Jul 20264612 AMAQI
22nd Jul 2026461 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026344 AMAQI
26°C20/32°C
22nd Jul 2026505 AMAQI
22nd Jul 2026406 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026328 AMAQI
22nd Jul 2026289 AMAQI
22nd Jul 20262010 AMAQI
22nd Jul 20261311 AMAQI
22nd Jul 20262012 PMAQI
22nd Jul 2026151 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026183 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026278 PMAQI
22nd Jul 2026699 PMAQI
22nd Jul 20264810 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20264012 AMAQI
23rd Jul 2026561 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026513 AMAQI
23rd Jul 2026424 AMAQI
20°C15/25°C
23rd Jul 2026425 AMAQI
23rd Jul 2026446 AMAQI
23rd Jul 2026467 AMAQI
23rd Jul 2026508 AMAQI
23rd Jul 2026489 AMAQI
23rd Jul 20264410 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026601 PMAQI
23rd Jul 2026442 PMAQI
23rd Jul 2026403 PMAQI
23rd Jul 2026364 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026426 PMAQI
23rd Jul 2026407 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026269 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20264411 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026481 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026463 AMAQI
24th Jul 2026524 AMAQI
20°C13/28°C
24th Jul 2026515 AMAQI
24th Jul 2026506 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026528 AMAQI
24th Jul 2026529 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265011 AMAQI
24th Jul 20264612 PMAQI
24th Jul 2026421 PMAQI
24th Jul 2026462 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026444 PMAQI
24th Jul 2026465 PMAQI
24th Jul 2026426 PMAQI
24th Jul 2026407 PMAQI
24th Jul 2026468 PMAQI
24th Jul 2026429 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026501 AMAQI
25th Jul 2026462 AMAQI
25th Jul 2026483 AMAQI
25th Jul 2026464 AMAQI
22°C16/28°C
25th Jul 2026465 AMAQI
25th Jul 2026486 AMAQI
25th Jul 2026577 AMAQI
25th Jul 2026568 AMAQI
25th Jul 2026579 AMAQI
25th Jul 20265210 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20265312 PMAQI
25th Jul 2026531 PMAQI
25th Jul 2026502 PMAQI
25th Jul 2026443 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026515 PMAQI
25th Jul 2026516 PMAQI
25th Jul 2026517 PMAQI
25th Jul 2026518 PMAQI
25th Jul 2026539 PMAQI
25th Jul 20265110 PMAQI
25th Jul 20265011 PMAQI
26th Jul 20265212 AMAQI
26th Jul 2026491 AMAQI
26th Jul 2026442 AMAQI
26th Jul 2026463 AMAQI
26th Jul 2026484 AMAQI
22°C16/27°C
26th Jul 2026515 AMAQI
26th Jul 2026486 AMAQI
26th Jul 2026527 AMAQI
26th Jul 2026508 AMAQI
26th Jul 2026489 AMAQI
26th Jul 20264610 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20265212 PMAQI
26th Jul 2026511 PMAQI
26th Jul 2026552 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026544 PMAQI
26th Jul 2026555 PMAQI
26th Jul 2026566 PMAQI
26th Jul 2026577 PMAQI
26th Jul 2026578 PMAQI
26th Jul 2026559 PMAQI
26th Jul 20265610 PMAQI
26th Jul 20265711 PMAQI
27th Jul 20265512 AMAQI
27th Jul 2026561 AMAQI
27th Jul 2026542 AMAQI
27th Jul 2026563 AMAQI
27th Jul 2026544 AMAQI
27°C22/35°C
27th Jul 2026575 AMAQI
27th Jul 2026576 AMAQI
27th Jul 2026627 AMAQI
27th Jul 2026658 AMAQI
27th Jul 2026659 AMAQI
27th Jul 20266510 AMAQI
27th Jul 20266411 AMAQI
27th Jul 20266212 PMAQI
27th Jul 2026641 PMAQI
27th Jul 2026542 PMAQI
27th Jul 2026463 PMAQI
27th Jul 2026504 PMAQI
27th Jul 2026385 PMAQI
27th Jul 2026346 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20264810 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026444 AMAQI
27°C22/36°C
28th Jul 2026485 AMAQI
28th Jul 2026446 AMAQI
28th Jul 2026517 AMAQI
28th Jul 2026488 AMAQI
28th Jul 2026449 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264411 AMAQI
28th Jul 20265112 PMAQI
28th Jul 2026551 PMAQI
28th Jul 2026562 PMAQI
28th Jul 2026573 PMAQI
28th Jul 2026584 PMAQI
28th Jul 2026555 PMAQI
28th Jul 2026526 PMAQI
28th Jul 2026497 PMAQI
28th Jul 2026448 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262710 PMAQI
28th Jul 20263611 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026501 AMAQI
29th Jul 2026362 AMAQI
29th Jul 2026303 AMAQI
29th Jul 2026324 AMAQI
23°C19/29°C
29th Jul 2026385 AMAQI
29th Jul 2026406 AMAQI
29th Jul 2026427 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20263210 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026283 PMAQI
29th Jul 2026344 PMAQI
29th Jul 2026265 PMAQI
29th Jul 2026386 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20264210 PMAQI
29th Jul 20263011 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026493 AMAQI
30th Jul 2026524 AMAQI
23°C16/31°C
30th Jul 2026465 AMAQI
30th Jul 2026326 AMAQI
30th Jul 2026347 AMAQI
30th Jul 2026488 AMAQI
30th Jul 2026449 AMAQI
30th Jul 20264410 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20264012 PMAQI
30th Jul 2026321 PMAQI
30th Jul 2026362 PMAQI
30th Jul 2026363 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026405 PMAQI
30th Jul 2026446 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026428 PMAQI
30th Jul 2026469 PMAQI
30th Jul 20265110 PMAQI
30th Jul 20265011 PMAQI
31st Jul 20265512 AMAQI
31st Jul 2026421 AMAQI
31st Jul 2026482 AMAQI
31st Jul 2026463 AMAQI
31st Jul 2026464 AMAQI
24°C16/34°C
31st Jul 2026535 AMAQI
31st Jul 2026546 AMAQI
31st Jul 2026517 AMAQI
31st Jul 2026508 AMAQI
31st Jul 2026499 AMAQI
31st Jul 20265010 AMAQI
31st Jul 20265011 AMAQI
31st Jul 20264612 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026462 PMAQI
31st Jul 2026443 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026485 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026317 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026249 PMAQI
31st Jul 20263610 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026332 AMAQI
1st Aug 2026463 AMAQI
1st Aug 2026404 AMAQI
24°C19/31°C
1st Aug 2026425 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026447 AMAQI
1st Aug 2026448 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20264610 AMAQI
1st Aug 20264211 AMAQI
1st Aug 20264412 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026442 PMAQI
1st Aug 2026513 PMAQI
1st Aug 2026514 PMAQI
1st Aug 2026485 PMAQI
1st Aug 2026486 PMAQI
1st Aug 2026507 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20265010 PMAQI
1st Aug 20264811 PMAQI
2nd Aug 20264612 AMAQI
2nd Aug 2026501 AMAQI
2nd Aug 2026482 AMAQI
2nd Aug 2026483 AMAQI
2nd Aug 2026444 AMAQI
21°C19/24°C
2nd Aug 2026465 AMAQI
2nd Aug 2026466 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026448 AMAQI
2nd Aug 2026469 AMAQI
2nd Aug 20264610 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20264812 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026512 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026504 PMAQI
2nd Aug 2026525 PMAQI
2nd Aug 2026516 PMAQI
2nd Aug 2026517 PMAQI
2nd Aug 2026518 PMAQI
2nd Aug 2026519 PMAQI
2nd Aug 20265010 PMAQI
2nd Aug 20264611 PMAQI
3rd Aug 20264612 AMAQI
3rd Aug 2026461 AMAQI
3rd Aug 2026402 AMAQI
3rd Aug 2026213 AMAQI
3rd Aug 2026384 AMAQI
22°C19/25°C
3rd Aug 2026335 AMAQI
3rd Aug 2026486 AMAQI
3rd Aug 2026467 AMAQI
3rd Aug 2026408 AMAQI
3rd Aug 2026449 AMAQI
3rd Aug 20264410 AMAQI
3rd Aug 20264211 AMAQI
3rd Aug 20264412 PMAQI
3rd Aug 2026421 PMAQI
3rd Aug 2026422 PMAQI
3rd Aug 2026423 PMAQI
3rd Aug 2026464 PMAQI
3rd Aug 2026445 PMAQI
3rd Aug 2026466 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026448 PMAQI
3rd Aug 2026519 PMAQI
3rd Aug 20265010 PMAQI
3rd Aug 20265111 PMAQI
4th Aug 20264812 AMAQI
4th Aug 2026461 AMAQI
4th Aug 2026502 AMAQI
4th Aug 2026483 AMAQI
4th Aug 2026504 AMAQI
23°C16/31°C
4th Aug 2026465 AMAQI
4th Aug 2026486 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026448 AMAQI
4th Aug 2026489 AMAQI
4th Aug 20264610 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20264812 PMAQI
4th Aug 2026421 PMAQI
4th Aug 2026502 PMAQI
4th Aug 2026463 PMAQI
4th Aug 2026444 PMAQI
4th Aug 2026445 PMAQI
4th Aug 2026466 PMAQI
4th Aug 2026447 PMAQI
4th Aug 2026468 PMAQI
4th Aug 2026509 PMAQI
4th Aug 20264810 PMAQI
4th Aug 20264811 PMAQI
5th Aug 20265012 AMAQI
5th Aug 2026521 AMAQI
5th Aug 2026522 AMAQI
5th Aug 2026513 AMAQI
5th Aug 2026514 AMAQI
25°C18/32°C
5th Aug 2026525 AMAQI
5th Aug 2026496 AMAQI
5th Aug 2026517 AMAQI
5th Aug 2026518 AMAQI
5th Aug 2026539 AMAQI
5th Aug 20265310 AMAQI
5th Aug 20265011 AMAQI
5th Aug 20265112 PMAQI
5th Aug 2026511 PMAQI
5th Aug 2026532 PMAQI
5th Aug 2026533 PMAQI
5th Aug 2026514 PMAQI
5th Aug 2026515 PMAQI
5th Aug 2026516 PMAQI
5th Aug 2026487 PMAQI
5th Aug 2026488 PMAQI
5th Aug 2026429 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20264211 PMAQI
6th Aug 20264412 AMAQI
6th Aug 2026441 AMAQI
6th Aug 2026402 AMAQI
6th Aug 2026443 AMAQI
6th Aug 2026464 AMAQI
24°C21/31°C
6th Aug 2026445 AMAQI
6th Aug 2026486 AMAQI
6th Aug 2026507 AMAQI
6th Aug 2026488 AMAQI
6th Aug 2026489 AMAQI
6th Aug 20265210 AMAQI
6th Aug 20265411 AMAQI
6th Aug 20265612 PMAQI
6th Aug 2026581 PMAQI
6th Aug 2026562 PMAQI
6th Aug 2026553 PMAQI
6th Aug 2026544 PMAQI
6th Aug 2026555 PMAQI
6th Aug 2026566 PMAQI
6th Aug 2026567 PMAQI
6th Aug 2026568 PMAQI
6th Aug 2026579 PMAQI
6th Aug 20265810 PMAQI
6th Aug 20265511 PMAQI
7th Aug 20265312 AMAQI
7th Aug 2026481 AMAQI
7th Aug 2026542 AMAQI
7th Aug 2026523 AMAQI
7th Aug 2026514 AMAQI
22°C18/28°C
7th Aug 2026445 AMAQI
7th Aug 2026466 AMAQI
7th Aug 2026447 AMAQI
7th Aug 2026468 AMAQI
7th Aug 2026509 AMAQI
7th Aug 20265010 AMAQI
7th Aug 20264811 AMAQI
7th Aug 20264812 PMAQI
7th Aug 2026421 PMAQI
7th Aug 2026382 PMAQI
7th Aug 2026403 PMAQI
7th Aug 2026424 PMAQI
7th Aug 2026425 PMAQI
7th Aug 2026426 PMAQI
7th Aug 2026447 PMAQI
7th Aug 2026468 PMAQI
7th Aug 2026519 PMAQI
7th Aug 20265310 PMAQI
7th Aug 20265211 PMAQI
8th Aug 20265412 AMAQI
8th Aug 2026501 AMAQI
8th Aug 2026502 AMAQI
8th Aug 2026513 AMAQI
8th Aug 2026484 AMAQI
25°C19/32°C
8th Aug 2026515 AMAQI
8th Aug 2026526 AMAQI
8th Aug 2026497 AMAQI
8th Aug 2026518 AMAQI
8th Aug 2026469 AMAQI
8th Aug 20265010 AMAQI
8th Aug 20265111 AMAQI
8th Aug 20265012 PMAQI
8th Aug 2026461 PMAQI
8th Aug 2026512 PMAQI
8th Aug 2026503 PMAQI
8th Aug 2026524 PMAQI
8th Aug 2026445 PMAQI
8th Aug 2026446 PMAQI
8th Aug 2026447 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026369 PMAQI
8th Aug 20264010 PMAQI
8th Aug 20264411 PMAQI
9th Aug 20265112 AMAQI
9th Aug 2026461 AMAQI
9th Aug 2026462 AMAQI
9th Aug 2026493 AMAQI
9th Aug 2026544 AMAQI
25°C21/33°C
9th Aug 2026525 AMAQI
9th Aug 2026526 AMAQI
9th Aug 2026467 AMAQI
9th Aug 2026468 AMAQI
9th Aug 2026449 AMAQI
9th Aug 20264610 AMAQI
9th Aug 20264611 AMAQI
9th Aug 20264612 PMAQI
9th Aug 2026461 PMAQI
9th Aug 2026462 PMAQI
9th Aug 2026483 PMAQI
9th Aug 2026484 PMAQI
9th Aug 2026445 PMAQI
9th Aug 2026486 PMAQI
9th Aug 2026487 PMAQI
9th Aug 2026528 PMAQI
9th Aug 2026489 PMAQI
9th Aug 20265110 PMAQI
9th Aug 20264811 PMAQI
10th Aug 20265112 AMAQI
10th Aug 2026501 AMAQI
10th Aug 2026462 AMAQI
10th Aug 2026553 AMAQI
10th Aug 2026634 AMAQI
24°C17/35°C
10th Aug 2026605 AMAQI
10th Aug 2026606 AMAQI
10th Aug 2026587 AMAQI
10th Aug 2026558 AMAQI
10th Aug 2026579 AMAQI
10th Aug 20265610 AMAQI
10th Aug 20265511 AMAQI
10th Aug 20265612 PMAQI
10th Aug 2026571 PMAQI
10th Aug 2026562 PMAQI
10th Aug 2026583 PMAQI
10th Aug 2026604 PMAQI
10th Aug 2026585 PMAQI
10th Aug 2026606 PMAQI
10th Aug 2026567 PMAQI
10th Aug 2026568 PMAQI
10th Aug 2026569 PMAQI
10th Aug 20265710 PMAQI
10th Aug 20265611 PMAQI
11th Aug 20265612 AMAQI
11th Aug 2026581 AMAQI
11th Aug 2026582 AMAQI
11th Aug 2026583 AMAQI
11th Aug 2026604 AMAQI
26°C21/33°C
11th Aug 2026565 AMAQI
11th Aug 2026566 AMAQI
11th Aug 2026567 AMAQI
11th Aug 2026558 AMAQI
11th Aug 2026559 AMAQI
11th Aug 20265510 AMAQI
11th Aug 20265711 AMAQI
11th Aug 20265712 PMAQI
11th Aug 2026481 PMAQI
11th Aug 2026382 PMAQI
11th Aug 2026463 PMAQI
11th Aug 2026464 PMAQI
11th Aug 2026485 PMAQI
11th Aug 2026446 PMAQI
11th Aug 2026447 PMAQI
11th Aug 2026468 PMAQI
11th Aug 2026449 PMAQI
11th Aug 20264610 PMAQI
11th Aug 20264811 PMAQI
12th Aug 20264412 AMAQI
12th Aug 2026501 AMAQI
12th Aug 2026502 AMAQI
12th Aug 2026463 AMAQI
12th Aug 2026464 AMAQI
25°C23/30°C
12th Aug 2026465 AMAQI
12th Aug 2026426 AMAQI
12th Aug 2026447 AMAQI
12th Aug 2026468 AMAQI
12th Aug 2026489 AMAQI
12th Aug 20264610 AMAQI
12th Aug 20264611 AMAQI
12th Aug 20264612 PMAQI
12th Aug 2026421 PMAQI
12th Aug 2026382 PMAQI
12th Aug 2026323 PMAQI
12th Aug 2026384 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026276 PMAQI
12th Aug 2026347 PMAQI
12th Aug 2026388 PMAQI
12th Aug 2026429 PMAQI
12th Aug 20264810 PMAQI
12th Aug 20265111 PMAQI
13th Aug 20265012 AMAQI
13th Aug 2026511 AMAQI
13th Aug 2026512 AMAQI
13th Aug 2026513 AMAQI
13th Aug 2026484 AMAQI
24°C21/30°C
13th Aug 2026505 AMAQI
13th Aug 2026516 AMAQI
13th Aug 2026537 AMAQI
13th Aug 2026448 AMAQI
13th Aug 2026529 AMAQI
13th Aug 20265510 AMAQI
13th Aug 20265511 AMAQI
13th Aug 20265712 PMAQI
13th Aug 2026581 PMAQI
13th Aug 2026602 PMAQI
13th Aug 2026593 PMAQI
13th Aug 2026584 PMAQI
13th Aug 2026605 PMAQI
13th Aug 2026666 PMAQI
13th Aug 2026657 PMAQI
13th Aug 2026678 PMAQI
13th Aug 2026699 PMAQI
13th Aug 20267210 PMAQI
13th Aug 20266811 PMAQI
14th Aug 20266212 AMAQI
14th Aug 2026621 AMAQI
14th Aug 2026622 AMAQI
14th Aug 2026733 AMAQI
14th Aug 2026714 AMAQI
23°C19/28°C
14th Aug 2026705 AMAQI
14th Aug 2026656 AMAQI
14th Aug 2026607 AMAQI
14th Aug 2026568 AMAQI
14th Aug 2026549 AMAQI
14th Aug 20265410 AMAQI
14th Aug 20265811 AMAQI
14th Aug 20265712 PMAQI
14th Aug 2026591 PMAQI
14th Aug 2026622 PMAQI
14th Aug 2026603 PMAQI
14th Aug 2026624 PMAQI
14th Aug 2026585 PMAQI
14th Aug 2026576 PMAQI
14th Aug 2026597 PMAQI
14th Aug 2026658 PMAQI
14th Aug 2026649 PMAQI
14th Aug 20265910 PMAQI
14th Aug 20266011 PMAQI
15th Aug 20265712 AMAQI
15th Aug 2026541 AMAQI
15th Aug 2026532 AMAQI
15th Aug 2026463 AMAQI
15th Aug 2026504 AMAQI
23°C20/27°C
15th Aug 2026485 AMAQI
15th Aug 2026496 AMAQI
15th Aug 2026447 AMAQI
15th Aug 2026428 AMAQI
15th Aug 2026429 AMAQI
15th Aug 20264210 AMAQI
15th Aug 20264211 AMAQI
15th Aug 20262512 PMAQI
15th Aug 2026331 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026383 PMAQI
15th Aug 2026464 PMAQI
15th Aug 2026365 PMAQI
15th Aug 2026466 PMAQI
15th Aug 2026237 PMAQI
15th Aug 2026388 PMAQI
15th Aug 2026349 PMAQI
15th Aug 20263410 PMAQI
15th Aug 20263411 PMAQI
16th Aug 20262712 AMAQI
16th Aug 2026251 AMAQI
16th Aug 2026282 AMAQI
16th Aug 2026273 AMAQI
16th Aug 2026384 AMAQI
24°C21/27°C
16th Aug 2026425 AMAQI
5 AM16th Aug 2026346 AMAQI
16th Aug 2026307 AMAQI
16th Aug 2026338 AMAQI
16th Aug 2026279 AMAQI
16th Aug 20263810 AMAQI
16th Aug 20263611 AMAQI
16th Aug 20263112 PMAQI
12 PM16th Aug 2026301 PMAQI
16th Aug 2026302 PMAQI
16th Aug 2026363 PMAQI
16th Aug 2026344 PMAQI
16th Aug 2026325 PMAQI
16th Aug 2026256 PMAQI
16th Aug 2026257 PMAQI
16th Aug 2026288 PMAQI
8 PM16th Aug 2026299 PMAQI
16th Aug 20264210 PMAQI
16th Aug 20263211 PMAQI
12 AM
4 AM
24°C21/29°C
Day time
Avg. Highest Time
5 AM - 4 PM
49AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 PM - 8 PM
48AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 4 PM (Avg. 49), while the lowest AQI was between 5 PM to 8 PM (Avg. 48).
Night time
Avg. Highest Time
3 AM - 4 AM
56AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
11 PM
47AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 56), while the lowest AQI was between 11 PM to 11 PM (Avg. 47).
2026 Days Vs Air Quality
Naperville Park District, Naperville, Illinois, United States
2026
88%
198
12%
26
0.4%
1
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
198 DaysModerate
26 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 228 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
Naperville Park District, Naperville, 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)
16AQI (US)
2nd January 2026
22AQI (US)
22AQI (US)
3rd January 2026
26AQI (US)
26AQI (US)
4th January 2026
26AQI (US)
26AQI (US)
5th January 2026
44AQI (US)
44AQI (US)
6th January 2026
62AQI (US)
62AQI (US)
7th January 2026
44AQI (US)
44AQI (US)
8th January 2026
43AQI (US)
43AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
27AQI (US)
27AQI (US)
11th January 2026
20AQI (US)
20AQI (US)
12th January 2026
20AQI (US)
20AQI (US)
13th January 2026
24AQI (US)
24AQI (US)
14th January 2026
13AQI (US)
13AQI (US)
15th January 2026
12AQI (US)
12AQI (US)
16th January 2026
19AQI (US)
19AQI (US)
17th January 2026
15AQI (US)
15AQI (US)
18th January 2026
14AQI (US)
14AQI (US)
19th January 2026
20AQI (US)
20AQI (US)
20th January 2026
23AQI (US)
23AQI (US)
21st January 2026
33AQI (US)
33AQI (US)
22nd January 2026
60AQI (US)
60AQI (US)
23rd January 2026
58AQI (US)
58AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
50AQI (US)
50AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
36AQI (US)
36AQI (US)
28th January 2026
42AQI (US)
42AQI (US)
29th January 2026
50AQI (US)
50AQI (US)
30th January 2026
59AQI (US)
59AQI (US)
31st January 2026
42AQI (US)
42AQI (US)
1st February 2026
45AQI (US)
45AQI (US)
2nd February 2026
52AQI (US)
52AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
44AQI (US)
44AQI (US)
5th February 2026
52AQI (US)
52AQI (US)
6th February 2026
46AQI (US)
46AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
42AQI (US)
42AQI (US)
9th February 2026
48AQI (US)
48AQI (US)
10th February 2026
48AQI (US)
48AQI (US)
11th February 2026
37AQI (US)
37AQI (US)
12th February 2026
38AQI (US)
38AQI (US)
13th February 2026
51AQI (US)
51AQI (US)
14th February 2026
50AQI (US)
50AQI (US)
15th February 2026
47AQI (US)
47AQI (US)
16th February 2026
45AQI (US)
45AQI (US)
17th February 2026
48AQI (US)
48AQI (US)
18th February 2026
44AQI (US)
44AQI (US)
19th February 2026
43AQI (US)
43AQI (US)
20th February 2026
38AQI (US)
38AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
36AQI (US)
36AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
45AQI (US)
45AQI (US)
25th February 2026
43AQI (US)
43AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
34AQI (US)
34AQI (US)
28th February 2026
33AQI (US)
33AQI (US)
1st March 2026
39AQI (US)
39AQI (US)
2nd March 2026
57AQI (US)
57AQI (US)
3rd March 2026
43AQI (US)
43AQI (US)
4th March 2026
46AQI (US)
46AQI (US)
5th March 2026
46AQI (US)
46AQI (US)
6th March 2026
41AQI (US)
41AQI (US)
7th March 2026
36AQI (US)
36AQI (US)
8th March 2026
40AQI (US)
40AQI (US)
9th March 2026
36AQI (US)
36AQI (US)
10th March 2026
35AQI (US)
35AQI (US)
11th March 2026
42AQI (US)
42AQI (US)
12th March 2026
38AQI (US)
38AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
31AQI (US)
31AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
40AQI (US)
40AQI (US)
20th March 2026
45AQI (US)
45AQI (US)
21st March 2026
40AQI (US)
40AQI (US)
22nd March 2026
34AQI (US)
34AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
34AQI (US)
34AQI (US)
25th March 2026
33AQI (US)
33AQI (US)
26th March 2026
33AQI (US)
33AQI (US)
27th March 2026
30AQI (US)
30AQI (US)
28th March 2026
29AQI (US)
29AQI (US)
29th March 2026
30AQI (US)
30AQI (US)
30th March 2026
28AQI (US)
28AQI (US)
31st March 2026
27AQI (US)
27AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
29AQI (US)
29AQI (US)
3rd April 2026
28AQI (US)
28AQI (US)
4th April 2026
31AQI (US)
31AQI (US)
5th April 2026
30AQI (US)
30AQI (US)
6th April 2026
31AQI (US)
31AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
35AQI (US)
35AQI (US)
9th April 2026
31AQI (US)
31AQI (US)
10th April 2026
33AQI (US)
33AQI (US)
11th April 2026
29AQI (US)
29AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
32AQI (US)
32AQI (US)
15th April 2026
33AQI (US)
33AQI (US)
16th April 2026
29AQI (US)
29AQI (US)
17th April 2026
18th April 2026
28AQI (US)
28AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
27AQI (US)
27AQI (US)
21st April 2026
26AQI (US)
26AQI (US)
22nd April 2026
23rd April 2026
26AQI (US)
26AQI (US)
24th April 2026
28AQI (US)
28AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
34AQI (US)
34AQI (US)
27th April 2026
26AQI (US)
26AQI (US)
28th April 2026
25AQI (US)
25AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
27AQI (US)
27AQI (US)
1st May 2026
25AQI (US)
25AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
36AQI (US)
36AQI (US)
5th May 2026
38AQI (US)
38AQI (US)
6th May 2026
28AQI (US)
28AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
34AQI (US)
34AQI (US)
9th May 2026
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
25AQI (US)
25AQI (US)
15th May 2026
46AQI (US)
46AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
56AQI (US)
56AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
51AQI (US)
51AQI (US)
21st May 2026
43AQI (US)
43AQI (US)
22nd May 2026
46AQI (US)
46AQI (US)
23rd May 2026
51AQI (US)
51AQI (US)
24th May 2026
47AQI (US)
47AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
32AQI (US)
32AQI (US)
27th May 2026
29AQI (US)
29AQI (US)
28th May 2026
15AQI (US)
15AQI (US)
29th May 2026
22AQI (US)
22AQI (US)
30th May 2026
27AQI (US)
27AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
30AQI (US)
30AQI (US)
2nd June 2026
23AQI (US)
23AQI (US)
3rd June 2026
23AQI (US)
23AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
32AQI (US)
32AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
25AQI (US)
25AQI (US)
8th June 2026
27AQI (US)
27AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
24AQI (US)
24AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
23AQI (US)
23AQI (US)
14th June 2026
22AQI (US)
22AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
26AQI (US)
26AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
22AQI (US)
22AQI (US)
20th June 2026
21AQI (US)
21AQI (US)
21st June 2026
25AQI (US)
25AQI (US)
22nd June 2026
22AQI (US)
22AQI (US)
23rd June 2026
18AQI (US)
18AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
25AQI (US)
25AQI (US)
27th June 2026
32AQI (US)
32AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
38AQI (US)
38AQI (US)
1st July 2026
32AQI (US)
32AQI (US)
2nd July 2026
25AQI (US)
25AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
32AQI (US)
32AQI (US)
5th July 2026
48AQI (US)
48AQI (US)
6th July 2026
39AQI (US)
39AQI (US)
7th July 2026
37AQI (US)
37AQI (US)
8th July 2026
39AQI (US)
39AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
27AQI (US)
27AQI (US)
11th July 2026
40AQI (US)
40AQI (US)
12th July 2026
42AQI (US)
42AQI (US)
13th July 2026
43AQI (US)
43AQI (US)
14th July 2026
36AQI (US)
36AQI (US)
15th July 2026
52AQI (US)
52AQI (US)
16th July 2026
101AQI (US)
101AQI (US)
17th July 2026
92AQI (US)
92AQI (US)
18th July 2026
50AQI (US)
50AQI (US)
19th July 2026
82AQI (US)
82AQI (US)
20th July 2026
81AQI (US)
81AQI (US)
21st July 2026
53AQI (US)
53AQI (US)
22nd July 2026
33AQI (US)
33AQI (US)
23rd July 2026
43AQI (US)
43AQI (US)
24th July 2026
46AQI (US)
46AQI (US)
25th July 2026
50AQI (US)
50AQI (US)
26th July 2026
52AQI (US)
52AQI (US)
27th July 2026
54AQI (US)
54AQI (US)
28th July 2026
47AQI (US)
47AQI (US)
29th July 2026
34AQI (US)
34AQI (US)
30th July 2026
41AQI (US)
41AQI (US)
31st July 2026
44AQI (US)
44AQI (US)
1st August 2026
44AQI (US)
44AQI (US)
2nd August 2026
48AQI (US)
48AQI (US)
3rd August 2026
43AQI (US)
43AQI (US)
4th August 2026
47AQI (US)
47AQI (US)
5th August 2026
50AQI (US)
50AQI (US)
6th August 2026
51AQI (US)
51AQI (US)
7th August 2026
47AQI (US)
47AQI (US)
8th August 2026
47AQI (US)
47AQI (US)
9th August 2026
48AQI (US)
48AQI (US)
10th August 2026
56AQI (US)
56AQI (US)
11th August 2026
51AQI (US)
51AQI (US)
12th August 2026
42AQI (US)
42AQI (US)
13th August 2026
57AQI (US)
57AQI (US)
14th August 2026
61AQI (US)
61AQI (US)
15th August 2026
41AQI (US)
41AQI (US)
16th August 2026
32AQI (US)
32AQI (US)
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)
36AQI (US)
25AQI (US)
47AQI (US)
48AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
27
4
25
3
30
1
28
24
6
30
23
7
1
11
5
198
26
1
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202541AQI (US)
5
26
4
30
1
15
15
16
14
1
18
12
1
21
9
27
4
25
5
19
12
202
76
2
Highest AQI (US) recorded in
June54AQI (US)
Lowest AQI (US) recorded in
May30AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2025(Avg.)
41AQI (US)Least Polluted Year Recorded
2026(Avg.)
37AQI (US)Naperville Park District's annual 2026 AQI (US) (37) shows an average percentage change of -9.7% (improved AQI (US)) compared to previous years: 2025 (41).
