Champaign, 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
Champaign, Illinois, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
109AQILowest AQI recorded on
4th Aug 2025
52AQISame Day Analysis (4th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Champaign, Illinois, United States
AQI
Day
Night
.
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
9AM4th Aug
57AQI
Avg. Lowest Time
6PM4th Aug
42AQI
Night time
Avg. Highest Time
3AM5th Aug
53AQI
Avg. Lowest Time
9PM4th Aug
44AQI
In the last 24 hours,
Champaign's AQI reached its highest point of 57 at 9 AM during the Day, while the lowest point, 42, was recorded at 6 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Champaign, Illinois, United States
JulAug
06th - 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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025595 AMAQI
6th Jul 2025606 AMAQI
6th Jul 2025617 AMAQI
6th Jul 2025628 AMAQI
6th Jul 2025619 AMAQI
6th Jul 20256010 AMAQI
6th Jul 20256011 AMAQI
6th Jul 20256012 PMAQI
6th Jul 2025581 PMAQI
6th Jul 2025572 PMAQI
6th Jul 2025573 PMAQI
6th Jul 2025594 PMAQI
6th Jul 2025585 PMAQI
6th Jul 2025566 PMAQI
6th Jul 2025607 PMAQI
6th Jul 2025598 PMAQI
6th Jul 2025519 PMAQI
6th Jul 20255310 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255112 AMAQI
7th Jul 2025461 AMAQI
7th Jul 2025432 AMAQI
7th Jul 2025443 AMAQI
7th Jul 2025444 AMAQI
27°C22/34°C
7th Jul 2025505 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025507 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025529 AMAQI
7th Jul 20255410 AMAQI
7th Jul 20255611 AMAQI
7th Jul 20255812 PMAQI
7th Jul 2025631 PMAQI
7th Jul 2025632 PMAQI
7th Jul 2025593 PMAQI
7th Jul 2025604 PMAQI
7th Jul 2025585 PMAQI
7th Jul 2025586 PMAQI
7th Jul 2025557 PMAQI
7th Jul 2025558 PMAQI
7th Jul 2025589 PMAQI
7th Jul 20256110 PMAQI
7th Jul 20256111 PMAQI
8th Jul 20256212 AMAQI
8th Jul 2025651 AMAQI
8th Jul 2025702 AMAQI
8th Jul 2025683 AMAQI
8th Jul 2025684 AMAQI
25°C20/31°C
8th Jul 2025685 AMAQI
8th Jul 2025696 AMAQI
8th Jul 2025687 AMAQI
8th Jul 2025688 AMAQI
8th Jul 2025709 AMAQI
8th Jul 20257110 AMAQI
8th Jul 20257011 AMAQI
8th Jul 20257012 PMAQI
8th Jul 2025711 PMAQI
8th Jul 2025732 PMAQI
8th Jul 2025723 PMAQI
8th Jul 2025724 PMAQI
8th Jul 2025725 PMAQI
8th Jul 2025706 PMAQI
8th Jul 2025697 PMAQI
8th Jul 2025698 PMAQI
8th Jul 2025669 PMAQI
8th Jul 20256210 PMAQI
8th Jul 20256111 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025472 AMAQI
9th Jul 2025423 AMAQI
9th Jul 2025424 AMAQI
25°C16/33°C
9th Jul 2025415 AMAQI
9th Jul 2025386 AMAQI
9th Jul 2025417 AMAQI
9th Jul 2025438 AMAQI
9th Jul 2025409 AMAQI
9th Jul 20254210 AMAQI
9th Jul 20254111 AMAQI
9th Jul 20254112 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025452 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025504 PMAQI
9th Jul 2025485 PMAQI
9th Jul 2025516 PMAQI
9th Jul 2025497 PMAQI
9th Jul 2025508 PMAQI
9th Jul 2025519 PMAQI
9th Jul 20255110 PMAQI
9th Jul 20255011 PMAQI
10th Jul 20254912 AMAQI
10th Jul 2025451 AMAQI
10th Jul 2025412 AMAQI
10th Jul 2025403 AMAQI
10th Jul 2025394 AMAQI
25°C19/30°C
10th Jul 2025395 AMAQI
10th Jul 2025416 AMAQI
10th Jul 2025427 AMAQI
10th Jul 2025428 AMAQI
10th Jul 2025439 AMAQI
10th Jul 20253910 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20254012 PMAQI
10th Jul 2025411 PMAQI
10th Jul 2025412 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025404 PMAQI
10th Jul 2025415 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025417 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025429 PMAQI
10th Jul 20254110 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254112 AMAQI
11th Jul 2025411 AMAQI
11th Jul 2025392 AMAQI
11th Jul 2025413 AMAQI
11th Jul 2025414 AMAQI
25°C18/32°C
11th Jul 2025425 AMAQI
11th Jul 2025426 AMAQI
11th Jul 2025437 AMAQI
11th Jul 2025458 AMAQI
11th Jul 2025449 AMAQI
11th Jul 20254710 AMAQI
11th Jul 20254811 AMAQI
11th Jul 20254712 PMAQI
11th Jul 2025471 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025473 PMAQI
11th Jul 2025474 PMAQI
11th Jul 2025485 PMAQI
11th Jul 2025476 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025499 PMAQI
11th Jul 20254910 PMAQI
11th Jul 20255111 PMAQI
12th Jul 20255012 AMAQI
12th Jul 2025471 AMAQI
12th Jul 2025422 AMAQI
12th Jul 2025363 AMAQI
12th Jul 2025304 AMAQI
27°C20/35°C
12th Jul 2025285 AMAQI
12th Jul 2025306 AMAQI
12th Jul 2025327 AMAQI
12th Jul 2025318 AMAQI
12th Jul 2025349 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253512 PMAQI
12th Jul 2025351 PMAQI
12th Jul 2025362 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025347 PMAQI
12th Jul 2025338 PMAQI
12th Jul 2025339 PMAQI
12th Jul 20253410 PMAQI
12th Jul 20253511 PMAQI
13th Jul 20253712 AMAQI
13th Jul 2025351 AMAQI
13th Jul 2025332 AMAQI
13th Jul 2025313 AMAQI
13th Jul 2025294 AMAQI
26°C22/28°C
13th Jul 2025335 AMAQI
13th Jul 2025336 AMAQI
13th Jul 2025407 AMAQI
13th Jul 2025428 AMAQI
13th Jul 2025549 AMAQI
13th Jul 20255910 AMAQI
13th Jul 20255911 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025591 PMAQI
13th Jul 2025572 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025435 PMAQI
13th Jul 2025406 PMAQI
13th Jul 2025387 PMAQI
13th Jul 2025388 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20253910 PMAQI
13th Jul 20254011 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025391 AMAQI
14th Jul 2025342 AMAQI
14th Jul 2025333 AMAQI
14th Jul 2025304 AMAQI
24°C20/30°C
14th Jul 2025275 AMAQI
14th Jul 2025266 AMAQI
14th Jul 2025297 AMAQI
14th Jul 2025298 AMAQI
14th Jul 2025349 AMAQI
14th Jul 20254310 AMAQI
14th Jul 20255311 AMAQI
14th Jul 20255512 PMAQI
14th Jul 2025551 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025543 PMAQI
14th Jul 2025534 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025516 PMAQI
14th Jul 2025437 PMAQI
14th Jul 2025418 PMAQI
14th Jul 2025459 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254512 AMAQI
15th Jul 2025471 AMAQI
15th Jul 2025452 AMAQI
15th Jul 2025483 AMAQI
15th Jul 2025534 AMAQI
25°C19/32°C
15th Jul 2025545 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025599 AMAQI
15th Jul 20255610 AMAQI
15th Jul 20255511 AMAQI
15th Jul 20255312 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025512 PMAQI
15th Jul 2025513 PMAQI
15th Jul 2025494 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025456 PMAQI
15th Jul 2025497 PMAQI
15th Jul 2025518 PMAQI
15th Jul 2025459 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254912 AMAQI
16th Jul 2025411 AMAQI
16th Jul 2025342 AMAQI
16th Jul 2025293 AMAQI
16th Jul 2025284 AMAQI
25°C19/30°C
16th Jul 2025275 AMAQI
16th Jul 2025276 AMAQI
16th Jul 2025287 AMAQI
16th Jul 2025288 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20253610 AMAQI
16th Jul 20253811 AMAQI
16th Jul 20253912 PMAQI
16th Jul 2025391 PMAQI
16th Jul 2025392 PMAQI
16th Jul 2025383 PMAQI
16th Jul 2025394 PMAQI
16th Jul 2025395 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025309 PMAQI
16th Jul 20252810 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252812 AMAQI
17th Jul 2025261 AMAQI
17th Jul 2025232 AMAQI
17th Jul 2025243 AMAQI
17th Jul 2025234 AMAQI
27°C20/34°C
17th Jul 2025235 AMAQI
17th Jul 2025246 AMAQI
17th Jul 2025247 AMAQI
17th Jul 2025258 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20252510 AMAQI
17th Jul 20252511 AMAQI
17th Jul 20252512 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025272 PMAQI
17th Jul 2025293 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025276 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025269 PMAQI
17th Jul 20252710 PMAQI
17th Jul 20252911 PMAQI
18th Jul 20252912 AMAQI
18th Jul 2025271 AMAQI
18th Jul 2025262 AMAQI
18th Jul 2025233 AMAQI
18th Jul 2025204 AMAQI
25°C20/30°C
18th Jul 2025185 AMAQI
18th Jul 2025186 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025178 AMAQI
18th Jul 2025179 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20252710 PMAQI
18th Jul 20252711 PMAQI
19th Jul 20252812 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025282 AMAQI
19th Jul 2025293 AMAQI
19th Jul 2025294 AMAQI
23°C18/31°C
19th Jul 2025305 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025317 AMAQI
19th Jul 2025318 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253310 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253312 PMAQI
19th Jul 2025311 PMAQI
19th Jul 2025312 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025259 PMAQI
19th Jul 20252610 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025251 AMAQI
20th Jul 2025252 AMAQI
20th Jul 2025283 AMAQI
20th Jul 2025324 AMAQI
25°C20/29°C
20th Jul 2025345 AMAQI
20th Jul 2025376 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025279 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20252712 AMAQI
21st Jul 2025271 AMAQI
21st Jul 2025222 AMAQI
21st Jul 2025243 AMAQI
21st Jul 2025234 AMAQI
24°C22/27°C
21st Jul 2025255 AMAQI
21st Jul 2025286 AMAQI
21st Jul 2025357 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20253610 AMAQI
21st Jul 20253611 AMAQI
21st Jul 20253412 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025471 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025563 AMAQI
22nd Jul 2025594 AMAQI
24°C22/27°C
22nd Jul 2025625 AMAQI
22nd Jul 2025656 AMAQI
22nd Jul 2025677 AMAQI
22nd Jul 2025668 AMAQI
22nd Jul 2025689 AMAQI
22nd Jul 20256910 AMAQI
22nd Jul 20256811 AMAQI
22nd Jul 20256712 PMAQI
22nd Jul 2025661 PMAQI
22nd Jul 2025632 PMAQI
22nd Jul 2025623 PMAQI
22nd Jul 2025604 PMAQI
22nd Jul 2025605 PMAQI
22nd Jul 2025586 PMAQI
22nd Jul 2025587 PMAQI
22nd Jul 2025588 PMAQI
22nd Jul 2025589 PMAQI
22nd Jul 20255910 PMAQI
22nd Jul 20255911 PMAQI
23rd Jul 20256012 AMAQI
23rd Jul 2025611 AMAQI
23rd Jul 2025602 AMAQI
23rd Jul 2025613 AMAQI
23rd Jul 2025624 AMAQI
25°C18/33°C
23rd Jul 2025615 AMAQI
23rd Jul 2025626 AMAQI
23rd Jul 2025647 AMAQI
23rd Jul 2025658 AMAQI
23rd Jul 2025649 AMAQI
23rd Jul 20256210 AMAQI
23rd Jul 20256211 AMAQI
23rd Jul 20256112 PMAQI
23rd Jul 2025611 PMAQI
23rd Jul 2025612 PMAQI
23rd Jul 2025623 PMAQI
23rd Jul 2025614 PMAQI
23rd Jul 2025615 PMAQI
23rd Jul 2025616 PMAQI
23rd Jul 2025617 PMAQI
23rd Jul 2025618 PMAQI
23rd Jul 2025629 PMAQI
23rd Jul 20255910 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025561 AMAQI
24th Jul 2025542 AMAQI
24th Jul 2025533 AMAQI
24th Jul 2025534 AMAQI
27°C21/34°C
24th Jul 2025535 AMAQI
24th Jul 2025556 AMAQI
24th Jul 2025557 AMAQI
24th Jul 2025558 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025553 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025555 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025567 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025559 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025532 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025524 AMAQI
28°C23/34°C
25th Jul 2025475 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025387 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025359 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20253311 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025372 PMAQI
25th Jul 2025393 PMAQI
25th Jul 2025424 PMAQI
25th Jul 2025415 PMAQI
25th Jul 2025426 PMAQI
25th Jul 2025457 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254310 PMAQI
25th Jul 20254511 PMAQI
26th Jul 20254412 AMAQI
26th Jul 2025431 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025293 AMAQI
26th Jul 2025294 AMAQI
27°C24/34°C
26th Jul 2025295 AMAQI
26th Jul 2025296 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20253910 AMAQI
26th Jul 20254311 AMAQI
26th Jul 20254512 PMAQI
26th Jul 2025431 PMAQI
26th Jul 2025422 PMAQI
26th Jul 2025413 PMAQI
26th Jul 2025404 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025339 PMAQI
26th Jul 20253110 PMAQI
26th Jul 20253111 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025291 AMAQI
27th Jul 2025242 AMAQI
27th Jul 2025243 AMAQI
27th Jul 2025234 AMAQI
27°C23/31°C
27th Jul 2025215 AMAQI
27th Jul 2025226 AMAQI
27th Jul 2025217 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025336 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025264 AMAQI
27°C23/34°C
28th Jul 2025265 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025288 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025271 AMAQI
29th Jul 2025252 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025254 AMAQI
28°C23/33°C
29th Jul 2025265 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025278 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025342 PMAQI
29th Jul 2025333 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025351 AMAQI
30th Jul 2025342 AMAQI
30th Jul 2025343 AMAQI
30th Jul 2025334 AMAQI
27°C20/35°C
30th Jul 2025355 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025407 AMAQI
30th Jul 2025388 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253910 AMAQI
30th Jul 20254011 AMAQI
30th Jul 20254112 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025412 PMAQI
30th Jul 2025413 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025416 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025418 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025291 AMAQI
31st Jul 2025252 AMAQI
31st Jul 2025263 AMAQI
31st Jul 2025304 AMAQI
27°C21/33°C
31st Jul 2025275 AMAQI
31st Jul 2025316 AMAQI
31st Jul 2025427 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20256411 AMAQI
31st Jul 20255512 PMAQI
31st Jul 2025591 PMAQI
31st Jul 2025642 PMAQI
31st Jul 2025633 PMAQI
31st Jul 2025574 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025596 PMAQI
31st Jul 2025377 PMAQI
31st Jul 2025638 PMAQI
31st Jul 2025769 PMAQI
31st Jul 202510110 PMAQI
31st Jul 202511511 PMAQI
1st Aug 202511612 AMAQI
1st Aug 20251121 AMAQI
1st Aug 20251082 AMAQI
1st Aug 2025993 AMAQI
1st Aug 2025984 AMAQI
21°C18/26°C
1st Aug 20251105 AMAQI
1st Aug 20251156 AMAQI
1st Aug 20251247 AMAQI
1st Aug 20251238 AMAQI
1st Aug 20251219 AMAQI
1st Aug 202511410 AMAQI
1st Aug 202510711 AMAQI
1st Aug 202510312 PMAQI
1st Aug 20251061 PMAQI
1st Aug 20251012 PMAQI
1st Aug 20251053 PMAQI
1st Aug 2025994 PMAQI
1st Aug 20251005 PMAQI
1st Aug 20251006 PMAQI
1st Aug 20251097 PMAQI
1st Aug 20251118 PMAQI
1st Aug 20251129 PMAQI
1st Aug 202511510 PMAQI
1st Aug 202511111 PMAQI
2nd Aug 202511112 AMAQI
2nd Aug 20251071 AMAQI
2nd Aug 20251042 AMAQI
2nd Aug 20251003 AMAQI
2nd Aug 2025984 AMAQI
20°C14/28°C
2nd Aug 2025975 AMAQI
2nd Aug 20251026 AMAQI
2nd Aug 20251047 AMAQI
2nd Aug 20251048 AMAQI
2nd Aug 20251019 AMAQI
2nd Aug 20259710 AMAQI
2nd Aug 20259311 AMAQI
2nd Aug 20258612 PMAQI
2nd Aug 2025741 PMAQI
2nd Aug 2025672 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025615 PMAQI
2nd Aug 2025616 PMAQI
2nd Aug 2025917 PMAQI
2nd Aug 2025808 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255911 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025602 AMAQI
3rd Aug 2025633 AMAQI
3rd Aug 2025614 AMAQI
19°C11/27°C
3rd Aug 2025625 AMAQI
3rd Aug 2025646 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025608 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20255512 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025505 PMAQI
3rd Aug 2025436 PMAQI
3rd Aug 2025597 PMAQI
3rd Aug 2025508 PMAQI
3rd Aug 2025459 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20254411 PMAQI
4th Aug 20255012 AMAQI
4th Aug 2025511 AMAQI
4th Aug 2025502 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025574 AMAQI
19°C10/28°C
4th Aug 2025565 AMAQI
4th Aug 2025546 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025558 AMAQI
4th Aug 2025579 AMAQI
4th Aug 20255710 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255412 PMAQI
4th Aug 2025531 PMAQI
4th Aug 2025512 PMAQI
4th Aug 2025493 PMAQI
4th Aug 2025494 PMAQI
4th Aug 2025445 PMAQI
4th Aug 2025426 PMAQI
4th Aug 2025517 PMAQI
4th Aug 2025498 PMAQI
4th Aug 2025449 PMAQI
4th Aug 20254610 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20254912 AMAQI
5th Aug 2025511 AMAQI
5th Aug 2025522 AMAQI
5th Aug 2025533 AMAQI
5th Aug 2025534 AMAQI
20°C14/27°C
5th Aug 2025545 AMAQI
5 AM5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20255812 PMAQI
12 PM5th Aug 2025571 PMAQI
5th Aug 2025572 PMAQI
5th Aug 2025583 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025575 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
47AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
47AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 47), while the lowest AQI was between 5 AM to 8 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 11 PM
46AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
46AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 46), while the lowest AQI was between 12 AM to 11 PM (Avg. 46).
2025 Days Vs Air Quality
Champaign, Illinois, United States
2025
81%
106
18%
24
0.7%
1
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
106 DaysModerate
24 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 217 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
Champaign, Illinois, United States
AQI levels in 2025
AQI
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.
1st March 2025
33AQI
33AQI
2nd March 2025
34AQI
34AQI
3rd March 2025
38AQI
38AQI
4th March 2025
28AQI
28AQI
5th March 2025
17AQI
17AQI
1st April 2025
25AQI
25AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
21AQI
21AQI
4th April 2025
29AQI
29AQI
5th April 2025
19AQI
19AQI
6th April 2025
20AQI
20AQI
7th April 2025
23AQI
23AQI
8th April 2025
17AQI
17AQI
9th April 2025
22AQI
22AQI
10th April 2025
35AQI
35AQI
11th April 2025
39AQI
39AQI
12th April 2025
33AQI
33AQI
13th April 2025
30AQI
30AQI
14th April 2025
29AQI
29AQI
15th April 2025
20AQI
20AQI
16th April 2025
23AQI
23AQI
17th April 2025
31AQI
31AQI
18th April 2025
47AQI
47AQI
19th April 2025
42AQI
42AQI
20th April 2025
34AQI
34AQI
21st April 2025
19AQI
19AQI
22nd April 2025
22AQI
22AQI
23rd April 2025
24AQI
24AQI
24th April 2025
29AQI
29AQI
25th April 2025
31AQI
31AQI
26th April 2025
22AQI
22AQI
27th April 2025
18AQI
18AQI
28th April 2025
25AQI
25AQI
29th April 2025
29AQI
29AQI
30th April 2025
20AQI
20AQI
1st May 2025
22AQI
22AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
22AQI
22AQI
4th May 2025
16AQI
16AQI
5th May 2025
21AQI
21AQI
6th May 2025
29AQI
29AQI
7th May 2025
21AQI
21AQI
8th May 2025
24AQI
24AQI
9th May 2025
25AQI
25AQI
10th May 2025
28AQI
28AQI
11th May 2025
23AQI
23AQI
12th May 2025
26AQI
26AQI
13th May 2025
21AQI
21AQI
14th May 2025
24AQI
24AQI
15th May 2025
43AQI
43AQI
16th May 2025
33AQI
33AQI
17th May 2025
21AQI
21AQI
18th May 2025
17AQI
17AQI
19th May 2025
19AQI
19AQI
20th May 2025
22AQI
22AQI
21st May 2025
16AQI
16AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
18AQI
18AQI
24th May 2025
19AQI
19AQI
25th May 2025
22AQI
22AQI
26th May 2025
20AQI
20AQI
27th May 2025
20AQI
20AQI
28th May 2025
25AQI
25AQI
29th May 2025
40AQI
40AQI
30th May 2025
34AQI
34AQI
31st May 2025
50AQI
50AQI
1st June 2025
33AQI
33AQI
2nd June 2025
41AQI
41AQI
3rd June 2025
57AQI
57AQI
4th June 2025
50AQI
50AQI
5th June 2025
53AQI
53AQI
6th June 2025
62AQI
62AQI
7th June 2025
69AQI
69AQI
8th June 2025
65AQI
65AQI
9th June 2025
61AQI
61AQI
10th June 2025
57AQI
57AQI
11th June 2025
65AQI
65AQI
12th June 2025
85AQI
85AQI
13th June 2025
76AQI
76AQI
14th June 2025
50AQI
50AQI
15th June 2025
46AQI
46AQI
16th June 2025
43AQI
43AQI
17th June 2025
30AQI
30AQI
18th June 2025
38AQI
38AQI
19th June 2025
26AQI
26AQI
20th June 2025
34AQI
34AQI
21st June 2025
40AQI
40AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
57AQI
57AQI
24th June 2025
54AQI
54AQI
25th June 2025
49AQI
49AQI
26th June 2025
50AQI
50AQI
27th June 2025
40AQI
40AQI
28th June 2025
27AQI
27AQI
29th June 2025
34AQI
34AQI
30th June 2025
26AQI
26AQI
1st July 2025
28AQI
28AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
49AQI
49AQI
4th July 2025
55AQI
55AQI
5th July 2025
72AQI
72AQI
6th July 2025
59AQI
59AQI
7th July 2025
54AQI
54AQI
8th July 2025
68AQI
68AQI
9th July 2025
47AQI
47AQI
10th July 2025
41AQI
41AQI
11th July 2025
45AQI
45AQI
12th July 2025
36AQI
36AQI
13th July 2025
41AQI
41AQI
14th July 2025
41AQI
41AQI
15th July 2025
50AQI
50AQI
16th July 2025
34AQI
34AQI
17th July 2025
26AQI
26AQI
18th July 2025
24AQI
24AQI
19th July 2025
29AQI
29AQI
20th July 2025
28AQI
28AQI
21st July 2025
33AQI
33AQI
22nd July 2025
60AQI
60AQI
23rd July 2025
61AQI
61AQI
24th July 2025
55AQI
55AQI
25th July 2025
44AQI
44AQI
26th July 2025
36AQI
36AQI
27th July 2025
26AQI
26AQI
28th July 2025
27AQI
27AQI
29th July 2025
30AQI
30AQI
30th July 2025
37AQI
37AQI
31st July 2025
52AQI
52AQI
1st August 2025
109AQI
109AQI
2nd August 2025
85AQI
85AQI
3rd August 2025
55AQI
55AQI
4th August 2025
52AQI
52AQI
30AQI
27AQI
24AQI
49AQI
43AQI
75AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
5
30
31
18
12
22
9
3
1
106
24
1
Highest AQI recorded in
August75AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
37AQILeast Polluted Year Recorded
2025(Avg.)
37AQIChampaign's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
