Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Springfield Ag, Springfield, 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

Springfield Ag, Springfield, Illinois, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
111AQI
Lowest AQI recorded on
28th Aug 2024
17AQI

Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 55 of Moderate air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025

Springfield Ag, Springfield, Illinois, United States

AQI
Day
Night
.

5 AM3rd Aug 2025

8 PM

4 AM4th Aug 2025

Day time
Avg. Highest Time
6AM3rd Aug

63AQI

Avg. Lowest Time
2PM3rd Aug

46AQI

Night time
Avg. Highest Time
5AM3rd Aug

62AQI

Avg. Lowest Time
2AM4th Aug

39AQI

In the last 24 hours,

Springfield Ag's AQI reached its highest point of 63 at 6 AM during the Day, while the lowest point, 39, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Springfield Ag, Springfield, Illinois, United States

JulAug
05th - 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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025725 AMAQI
5th Jul 2025716 AMAQI
5th Jul 2025767 AMAQI
5th Jul 2025738 AMAQI
5th Jul 2025719 AMAQI
5th Jul 20256810 AMAQI
5th Jul 20256511 AMAQI
5th Jul 20256412 PMAQI
5th Jul 2025621 PMAQI
5th Jul 2025622 PMAQI
5th Jul 2025643 PMAQI
5th Jul 2025624 PMAQI
5th Jul 2025625 PMAQI
5th Jul 2025626 PMAQI
5th Jul 2025647 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025639 PMAQI
5th Jul 20256510 PMAQI
5th Jul 20256411 PMAQI
6th Jul 20256712 AMAQI
6th Jul 2025641 AMAQI
6th Jul 2025592 AMAQI
6th Jul 2025583 AMAQI
6th Jul 2025584 AMAQI

28°C19/36°C

6th Jul 2025555 AMAQI
6th Jul 2025546 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025558 AMAQI
6th Jul 2025569 AMAQI
6th Jul 20255510 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255412 PMAQI
6th Jul 2025531 PMAQI
6th Jul 2025542 PMAQI
6th Jul 2025543 PMAQI
6th Jul 2025544 PMAQI
6th Jul 2025545 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025557 PMAQI
6th Jul 2025558 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025441 AMAQI
7th Jul 2025292 AMAQI
7th Jul 2025283 AMAQI
7th Jul 2025284 AMAQI

27°C23/32°C

7th Jul 2025275 AMAQI
7th Jul 2025276 AMAQI
7th Jul 2025307 AMAQI
7th Jul 2025308 AMAQI
7th Jul 2025329 AMAQI
7th Jul 20253410 AMAQI
7th Jul 20253611 AMAQI
7th Jul 20254112 PMAQI
7th Jul 2025491 PMAQI
7th Jul 2025522 PMAQI
7th Jul 2025543 PMAQI
7th Jul 2025574 PMAQI
7th Jul 2025565 PMAQI
7th Jul 2025566 PMAQI
7th Jul 2025427 PMAQI
7th Jul 2025428 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255611 PMAQI
8th Jul 20255712 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025722 AMAQI
8th Jul 2025723 AMAQI
8th Jul 2025704 AMAQI

26°C22/33°C

8th Jul 2025685 AMAQI
8th Jul 2025686 AMAQI
8th Jul 2025657 AMAQI
8th Jul 2025668 AMAQI
8th Jul 2025679 AMAQI
8th Jul 20256710 AMAQI
8th Jul 20256711 AMAQI
8th Jul 20256612 PMAQI
8th Jul 2025661 PMAQI
8th Jul 2025662 PMAQI
8th Jul 2025663 PMAQI
8th Jul 2025664 PMAQI
8th Jul 2025655 PMAQI
8th Jul 2025626 PMAQI
8th Jul 2025647 PMAQI
8th Jul 2025638 PMAQI
8th Jul 2025579 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255612 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025532 AMAQI
9th Jul 2025283 AMAQI
9th Jul 2025284 AMAQI

25°C18/32°C

9th Jul 2025275 AMAQI
9th Jul 2025296 AMAQI
9th Jul 2025327 AMAQI
9th Jul 2025318 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20253210 AMAQI
9th Jul 20253611 AMAQI
9th Jul 20254312 PMAQI
9th Jul 2025431 PMAQI
9th Jul 2025422 PMAQI
9th Jul 2025423 PMAQI
9th Jul 2025444 PMAQI
9th Jul 2025405 PMAQI
9th Jul 2025406 PMAQI
9th Jul 2025377 PMAQI
9th Jul 2025408 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20253910 PMAQI
9th Jul 20254011 PMAQI
10th Jul 20254012 AMAQI
10th Jul 2025401 AMAQI
10th Jul 2025412 AMAQI
10th Jul 2025373 AMAQI
10th Jul 2025364 AMAQI

25°C18/33°C

10th Jul 2025345 AMAQI
10th Jul 2025366 AMAQI
10th Jul 2025377 AMAQI
10th Jul 2025378 AMAQI
10th Jul 2025389 AMAQI
10th Jul 20254610 AMAQI
10th Jul 20254911 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025411 PMAQI
10th Jul 2025412 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025406 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025419 PMAQI
10th Jul 20254310 PMAQI
10th Jul 20254411 PMAQI
11th Jul 20254312 AMAQI
11th Jul 2025431 AMAQI
11th Jul 2025402 AMAQI
11th Jul 2025383 AMAQI
11th Jul 2025374 AMAQI

27°C19/35°C

11th Jul 2025415 AMAQI
11th Jul 2025406 AMAQI
11th Jul 2025417 AMAQI
11th Jul 2025438 AMAQI
11th Jul 2025449 AMAQI
11th Jul 20254610 AMAQI
11th Jul 20254711 AMAQI
11th Jul 20254812 PMAQI
11th Jul 2025481 PMAQI
11th Jul 2025492 PMAQI
11th Jul 2025483 PMAQI
11th Jul 2025494 PMAQI
11th Jul 2025505 PMAQI
11th Jul 2025506 PMAQI
11th Jul 2025447 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20254710 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20254412 AMAQI
12th Jul 2025381 AMAQI
12th Jul 2025302 AMAQI
12th Jul 2025273 AMAQI
12th Jul 2025264 AMAQI

28°C21/36°C

12th Jul 2025265 AMAQI
12th Jul 2025306 AMAQI
12th Jul 2025277 AMAQI
12th Jul 2025278 AMAQI
12th Jul 2025279 AMAQI
12th Jul 20252810 AMAQI
12th Jul 20252811 AMAQI
12th Jul 20253012 PMAQI
12th Jul 2025291 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025323 PMAQI
12th Jul 2025324 PMAQI
12th Jul 2025325 PMAQI
12th Jul 2025326 PMAQI
12th Jul 2025327 PMAQI
12th Jul 2025338 PMAQI
12th Jul 2025339 PMAQI
12th Jul 20253210 PMAQI
12th Jul 20253411 PMAQI
13th Jul 20253612 AMAQI
13th Jul 2025371 AMAQI
13th Jul 2025362 AMAQI
13th Jul 2025323 AMAQI
13th Jul 2025314 AMAQI

25°C20/29°C

13th Jul 2025345 AMAQI
13th Jul 2025356 AMAQI
13th Jul 2025377 AMAQI
13th Jul 2025418 AMAQI
13th Jul 2025549 AMAQI
13th Jul 20255410 AMAQI
13th Jul 20255711 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025561 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025405 PMAQI
13th Jul 2025416 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025429 PMAQI
13th Jul 20254510 PMAQI
13th Jul 20254511 PMAQI
14th Jul 20254312 AMAQI
14th Jul 2025411 AMAQI
14th Jul 2025362 AMAQI
14th Jul 2025363 AMAQI
14th Jul 2025344 AMAQI

24°C22/31°C

14th Jul 2025345 AMAQI
14th Jul 2025346 AMAQI
14th Jul 2025357 AMAQI
14th Jul 2025328 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20253910 AMAQI
14th Jul 20254811 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025531 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025523 PMAQI
14th Jul 2025524 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025506 PMAQI
14th Jul 2025447 PMAQI
14th Jul 2025448 PMAQI
14th Jul 2025459 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254411 PMAQI
15th Jul 20254212 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025402 AMAQI
15th Jul 2025423 AMAQI
15th Jul 2025464 AMAQI

26°C22/32°C

15th Jul 2025445 AMAQI
15th Jul 2025436 AMAQI
15th Jul 2025437 AMAQI
15th Jul 2025408 AMAQI
15th Jul 2025429 AMAQI
15th Jul 20254410 AMAQI
15th Jul 20254411 AMAQI
15th Jul 20254212 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025452 PMAQI
15th Jul 2025473 PMAQI
15th Jul 2025464 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025447 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20253910 PMAQI
15th Jul 20254011 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025361 AMAQI
16th Jul 2025272 AMAQI
16th Jul 2025273 AMAQI
16th Jul 2025264 AMAQI

26°C21/31°C

16th Jul 2025265 AMAQI
16th Jul 2025286 AMAQI
16th Jul 2025317 AMAQI
16th Jul 2025308 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20253712 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025393 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025316 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025328 PMAQI
16th Jul 2025309 PMAQI
16th Jul 20253010 PMAQI
16th Jul 20253011 PMAQI
17th Jul 20252712 AMAQI
17th Jul 2025301 AMAQI
17th Jul 2025232 AMAQI
17th Jul 2025223 AMAQI
17th Jul 2025234 AMAQI

26°C20/36°C

17th Jul 2025265 AMAQI
17th Jul 2025236 AMAQI
17th Jul 2025227 AMAQI
17th Jul 2025238 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025289 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20252711 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025291 AMAQI
18th Jul 2025302 AMAQI
18th Jul 2025283 AMAQI
18th Jul 2025274 AMAQI

26°C22/30°C

18th Jul 2025255 AMAQI
18th Jul 2025266 AMAQI
18th Jul 2025257 AMAQI
18th Jul 2025268 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025319 PMAQI
18th Jul 20253110 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025373 AMAQI
19th Jul 2025384 AMAQI

24°C20/30°C

19th Jul 2025425 AMAQI
19th Jul 2025456 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025449 AMAQI
19th Jul 20254210 AMAQI
19th Jul 20254011 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025315 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025347 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025362 AMAQI
20th Jul 2025373 AMAQI
20th Jul 2025404 AMAQI

26°C22/30°C

20th Jul 2025425 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025507 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025479 AMAQI
20th Jul 20254410 AMAQI
20th Jul 20254011 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025391 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025443 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025425 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025351 AMAQI
21st Jul 2025242 AMAQI
21st Jul 2025253 AMAQI
21st Jul 2025244 AMAQI

27°C22/33°C

21st Jul 2025225 AMAQI
21st Jul 2025226 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025228 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025262 PMAQI
21st Jul 2025293 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025296 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025288 PMAQI
21st Jul 2025289 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252911 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025301 AMAQI
22nd Jul 2025292 AMAQI
22nd Jul 2025283 AMAQI
22nd Jul 2025274 AMAQI

25°C22/29°C

22nd Jul 2025295 AMAQI
22nd Jul 2025296 AMAQI
22nd Jul 2025317 AMAQI
22nd Jul 2025318 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253110 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025372 PMAQI
22nd Jul 2025373 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025436 PMAQI
22nd Jul 2025357 PMAQI
22nd Jul 2025338 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20254110 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20253912 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025433 AMAQI
23rd Jul 2025464 AMAQI

28°C22/35°C

23rd Jul 2025455 AMAQI
23rd Jul 2025476 AMAQI
23rd Jul 2025497 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025509 AMAQI
23rd Jul 20255210 AMAQI
23rd Jul 20255311 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025553 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025589 PMAQI
23rd Jul 20255510 PMAQI
23rd Jul 20255511 PMAQI
24th Jul 20255412 AMAQI
24th Jul 2025541 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025524 AMAQI

29°C24/35°C

24th Jul 2025525 AMAQI
24th Jul 2025546 AMAQI
24th Jul 2025547 AMAQI
24th Jul 2025548 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025547 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255311 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025303 AMAQI
25th Jul 2025274 AMAQI

29°C23/35°C

25th Jul 2025235 AMAQI
25th Jul 2025236 AMAQI
25th Jul 2025257 AMAQI
25th Jul 2025248 AMAQI
25th Jul 2025259 AMAQI
25th Jul 20252510 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252712 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025393 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025406 PMAQI
25th Jul 2025417 PMAQI
25th Jul 2025428 PMAQI
25th Jul 2025459 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025391 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025313 AMAQI
26th Jul 2025294 AMAQI

28°C22/34°C

26th Jul 2025265 AMAQI
26th Jul 2025316 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025358 AMAQI
26th Jul 2025379 AMAQI
26th Jul 20254210 AMAQI
26th Jul 20254211 AMAQI
26th Jul 20254212 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025424 PMAQI
26th Jul 2025415 PMAQI
26th Jul 2025426 PMAQI
26th Jul 2025407 PMAQI
26th Jul 2025398 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025291 AMAQI
27th Jul 2025182 AMAQI
27th Jul 2025183 AMAQI
27th Jul 2025184 AMAQI

28°C23/34°C

27th Jul 2025185 AMAQI
27th Jul 2025186 AMAQI
27th Jul 2025187 AMAQI
27th Jul 2025188 AMAQI
27th Jul 2025199 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20252112 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025293 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253411 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025383 AMAQI
28th Jul 2025384 AMAQI

28°C24/33°C

28th Jul 2025365 AMAQI
28th Jul 2025346 AMAQI
28th Jul 2025367 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20252810 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20252812 PMAQI
28th Jul 2025281 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025344 PMAQI
28th Jul 2025325 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253111 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025274 AMAQI

29°C24/35°C

29th Jul 2025285 AMAQI
29th Jul 2025296 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025351 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025363 PMAQI
29th Jul 2025364 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025379 PMAQI
29th Jul 20253710 PMAQI
29th Jul 20253711 PMAQI
30th Jul 20253712 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025384 AMAQI

29°C20/36°C

30th Jul 2025385 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025397 AMAQI
30th Jul 2025398 AMAQI
30th Jul 2025409 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20254111 AMAQI
30th Jul 20253912 PMAQI
30th Jul 2025331 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025321 AMAQI
31st Jul 2025262 AMAQI
31st Jul 2025263 AMAQI
31st Jul 2025284 AMAQI

27°C21/33°C

31st Jul 2025285 AMAQI
31st Jul 2025336 AMAQI
31st Jul 2025447 AMAQI
31st Jul 2025448 AMAQI
31st Jul 2025449 AMAQI
31st Jul 20255110 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025623 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025585 PMAQI
31st Jul 2025576 PMAQI
31st Jul 2025497 PMAQI
31st Jul 2025668 PMAQI
31st Jul 2025809 PMAQI
31st Jul 20259310 PMAQI
31st Jul 202511311 PMAQI
1st Aug 202512212 AMAQI
1st Aug 20251211 AMAQI
1st Aug 20251062 AMAQI
1st Aug 20251103 AMAQI
1st Aug 20251184 AMAQI

22°C17/26°C

1st Aug 20251205 AMAQI
1st Aug 20251286 AMAQI
1st Aug 20251167 AMAQI
1st Aug 20251278 AMAQI
1st Aug 20251419 AMAQI
1st Aug 202511010 AMAQI
1st Aug 202512911 AMAQI
1st Aug 202511512 PMAQI
1st Aug 20251041 PMAQI
1st Aug 2025962 PMAQI
1st Aug 2025983 PMAQI
1st Aug 2025964 PMAQI
1st Aug 2025955 PMAQI
1st Aug 20251006 PMAQI
1st Aug 20251207 PMAQI
1st Aug 20251128 PMAQI
1st Aug 20251039 PMAQI
1st Aug 20259410 PMAQI
1st Aug 20259511 PMAQI
2nd Aug 20259512 AMAQI
2nd Aug 2025981 AMAQI
2nd Aug 2025992 AMAQI
2nd Aug 2025943 AMAQI
2nd Aug 2025974 AMAQI

20°C13/29°C

2nd Aug 2025945 AMAQI
2nd Aug 2025946 AMAQI
2nd Aug 2025947 AMAQI
2nd Aug 20251008 AMAQI
2nd Aug 2025959 AMAQI
2nd Aug 20259410 AMAQI
2nd Aug 20258811 AMAQI
2nd Aug 20257612 PMAQI
2nd Aug 2025711 PMAQI
2nd Aug 2025662 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025624 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025596 PMAQI
2nd Aug 2025877 PMAQI
2nd Aug 2025748 PMAQI
2nd Aug 2025619 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025603 AMAQI
3rd Aug 2025624 AMAQI

20°C13/28°C

3rd Aug 2025625 AMAQI
3rd Aug 2025636 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20255810 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20255312 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025462 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025494 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025479 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20254411 PMAQI
4th Aug 20255012 AMAQI
4th Aug 2025461 AMAQI
4th Aug 2025392 AMAQI
4th Aug 2025523 AMAQI
4th Aug 2025524 AMAQI

20°C12/28°C

4th Aug 2025515 AMAQI
5 AM
4th Aug 2025516 AMAQI
4th Aug 2025517 AMAQI
4th Aug 2025528 AMAQI
4th Aug 2025549 AMAQI
4th Aug 20255410 AMAQI
4th Aug 20255511 AMAQI
4th Aug 20255512 PMAQI
12 PM
4th Aug 2025541 PMAQI
4th Aug 2025532 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

45AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM

45AQI

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. 45), while the lowest AQI was between 5 AM to 8 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 1 AM

47AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 4 AM

42AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 47), while the lowest AQI was between 2 AM to 4 AM (Avg. 42).

2025 Days Vs Air Quality

Springfield Ag, Springfield, Illinois, United States

2025

87%

188

12%

26

0.4%

1

Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)

Good
188 Days
Moderate
26 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2025, 87% of 216 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

Springfield Ag, Springfield, 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 January 2025
22AQI
2nd January 2025
24AQI
3rd January 2025
21AQI
4th January 2025
18AQI
5th January 2025
20AQI
6th January 2025
18AQI
7th January 2025
22AQI
8th January 2025
28AQI
9th January 2025
48AQI
10th January 2025
54AQI
11th January 2025
32AQI
12th January 2025
32AQI
13th January 2025
20AQI
14th January 2025
23AQI
15th January 2025
35AQI
16th January 2025
31AQI
17th January 2025
26AQI
18th January 2025
20AQI
19th January 2025
19AQI
20th January 2025
19AQI
21st January 2025
20AQI
22nd January 2025
23AQI
23rd January 2025
28AQI
24th January 2025
28AQI
25th January 2025
28AQI
26th January 2025
20AQI
27th January 2025
23AQI
28th January 2025
24AQI
29th January 2025
20AQI
30th January 2025
31AQI
31st January 2025
26AQI
1st February 2025
24AQI
2nd February 2025
34AQI
3rd February 2025
34AQI
4th February 2025
23AQI
5th February 2025
29AQI
6th February 2025
27AQI
7th February 2025
21AQI
8th February 2025
28AQI
9th February 2025
34AQI
10th February 2025
25AQI
11th February 2025
35AQI
12th February 2025
52AQI
13th February 2025
30AQI
14th February 2025
28AQI
15th February 2025
36AQI
16th February 2025
33AQI
17th February 2025
20AQI
18th February 2025
21AQI
19th February 2025
21AQI
20th February 2025
21AQI
21st February 2025
24AQI
22nd February 2025
44AQI
23rd February 2025
43AQI
24th February 2025
34AQI
25th February 2025
30AQI
26th February 2025
29AQI
27th February 2025
29AQI
28th February 2025
24AQI
1st March 2025
24AQI
2nd March 2025
28AQI
3rd March 2025
32AQI
4th March 2025
38AQI
5th March 2025
25AQI
6th March 2025
26AQI
7th March 2025
25AQI
8th March 2025
30AQI
9th March 2025
31AQI
10th March 2025
32AQI
11th March 2025
34AQI
12th March 2025
38AQI
13th March 2025
56AQI
14th March 2025
48AQI
15th March 2025
79AQI
16th March 2025
22AQI
17th March 2025
22AQI
18th March 2025
25AQI
19th March 2025
27AQI
20th March 2025
18AQI
21st March 2025
25AQI
22nd March 2025
21AQI
23rd March 2025
22AQI
24th March 2025
20AQI
25th March 2025
20AQI
26th March 2025
26AQI
27th March 2025
35AQI
28th March 2025
33AQI
29th March 2025
39AQI
30th March 2025
26AQI
31st March 2025
17AQI
1st April 2025
28AQI
2nd April 2025
33AQI
3rd April 2025
21AQI
4th April 2025
33AQI
5th April 2025
25AQI
6th April 2025
21AQI
7th April 2025
25AQI
8th April 2025
20AQI
9th April 2025
23AQI
10th April 2025
31AQI
11th April 2025
41AQI
12th April 2025
40AQI
13th April 2025
38AQI
14th April 2025
32AQI
15th April 2025
21AQI
16th April 2025
27AQI
17th April 2025
41AQI
18th April 2025
55AQI
19th April 2025
47AQI
20th April 2025
38AQI
21st April 2025
19AQI
22nd April 2025
26AQI
23rd April 2025
28AQI
24th April 2025
34AQI
25th April 2025
39AQI
26th April 2025
22AQI
27th April 2025
19AQI
28th April 2025
33AQI
29th April 2025
31AQI
30th April 2025
29AQI
1st May 2025
27AQI
2nd May 2025
22AQI
3rd May 2025
21AQI
4th May 2025
17AQI
5th May 2025
21AQI
6th May 2025
25AQI
7th May 2025
26AQI
8th May 2025
28AQI
9th May 2025
25AQI
10th May 2025
33AQI
11th May 2025
28AQI
12th May 2025
34AQI
13th May 2025
24AQI
14th May 2025
34AQI
15th May 2025
52AQI
16th May 2025
29AQI
17th May 2025
21AQI
18th May 2025
19AQI
19th May 2025
25AQI
20th May 2025
24AQI
21st May 2025
15AQI
22nd May 2025
14AQI
23rd May 2025
17AQI
24th May 2025
26AQI
25th May 2025
29AQI
26th May 2025
18AQI
27th May 2025
19AQI
28th May 2025
25AQI
29th May 2025
36AQI
30th May 2025
30AQI
31st May 2025
45AQI
1st June 2025
31AQI
2nd June 2025
45AQI
3rd June 2025
56AQI
4th June 2025
35AQI
5th June 2025
48AQI
6th June 2025
62AQI
7th June 2025
68AQI
8th June 2025
60AQI
9th June 2025
60AQI
10th June 2025
56AQI
11th June 2025
66AQI
12th June 2025
77AQI
13th June 2025
71AQI
14th June 2025
54AQI
15th June 2025
47AQI
16th June 2025
43AQI
17th June 2025
31AQI
18th June 2025
31AQI
19th June 2025
23AQI
20th June 2025
35AQI
21st June 2025
44AQI
22nd June 2025
48AQI
23rd June 2025
56AQI
24th June 2025
53AQI
25th June 2025
50AQI
26th June 2025
53AQI
27th June 2025
35AQI
28th June 2025
28AQI
29th June 2025
31AQI
30th June 2025
27AQI
1st July 2025
29AQI
2nd July 2025
41AQI
3rd July 2025
49AQI
4th July 2025
56AQI
5th July 2025
67AQI
6th July 2025
56AQI
7th July 2025
42AQI
8th July 2025
65AQI
9th July 2025
39AQI
10th July 2025
40AQI
11th July 2025
45AQI
12th July 2025
31AQI
13th July 2025
42AQI
14th July 2025
42AQI
15th July 2025
43AQI
16th July 2025
32AQI
17th July 2025
27AQI
18th July 2025
28AQI
19th July 2025
36AQI
20th July 2025
40AQI
21st July 2025
27AQI
22nd July 2025
34AQI
23rd July 2025
50AQI
24th July 2025
53AQI
25th July 2025
36AQI
26th July 2025
37AQI
27th July 2025
25AQI
28th July 2025
33AQI
29th July 2025
32AQI
30th July 2025
36AQI
31st July 2025
50AQI
1st August 2025
111AQI
2nd August 2025
81AQI
3rd August 2025
55AQI

26AQI

30AQI

30AQI

31AQI

26AQI

47AQI

41AQI

82AQI

No. of days

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

202534AQI

30
1
27
1
29
2
29
1
30
1
17
13
26
5
2
1
188
26
1

Highest AQI recorded in

August

82AQI

Lowest AQI recorded in

January

26AQI

202429AQI

30
1
23
6
29
2
30
31
28
2
28
3
24
7
30
27
4
30
29
2
339
27

Highest AQI recorded in

August

38AQI

Lowest AQI recorded in

April

20AQI

202339AQI

23
8
26
2
27
4
27
3
26
5
7
20
2
1
19
11
1
21
10
23
7
29
2
29
30
1
287
73
3
1

Highest AQI recorded in

June

68AQI

Lowest AQI recorded in

December

29AQI

202237AQI

28
3
21
1
27
2
17
26
4
25
4
1
15
7
1
1
28
2
26
5
23
7
21
10
258
46
1

Highest AQI recorded in

August

49AQI

Lowest AQI recorded in

April

29AQI

202135AQI

27
3
24
4
28
3
27
3
30
1
24
1
19
12
21
10
24
4
29
2
25
3
28
3
306
49

Highest AQI recorded in

July

46AQI

Lowest AQI recorded in

October

27AQI

202032AQI

12
1
21
18
29
1
26
5
24
1
28
1
27
4
26
2
23
6
234
21

Highest AQI recorded in

December

39AQI

Lowest AQI recorded in

May

21AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
39AQI
Least Polluted Year Recorded
2024(Avg.)
29AQI

Springfield Ag's annual 2025 AQI (34) shows an average percentage change of -1.1% (improved AQI) compared to previous years: 2020 (32), 2021 (35), 2022 (37), 2023 (39), 2024 (29).