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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+

October 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
29th Oct 2024
81AQI
Lowest AQI recorded on
14th Oct 2023
7AQI

Same Day Analysis (15th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 64 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 15th Oct - 16th Oct 2025

Springfield Ag, Springfield, Illinois, United States

AQI
Day
Night
.

6 AM15th Oct 2025

6 PM

5 AM16th Oct 2025

Day time
Avg. Highest Time
11AM15th Oct

93AQI

Avg. Lowest Time
9AM15th Oct

56AQI

Night time
Avg. Highest Time
10PM15th Oct

64AQI

Avg. Lowest Time
5AM16th Oct

53AQI

In the last 24 hours,

Springfield Ag's AQI reached its highest point of 93 at 11 AM during the Day, while the lowest point, 53, was recorded at 5 AM during the Night between 15th Oct and 16th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Springfield Ag, Springfield, Illinois, United States

SepOct
16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
16th Sep 2025536 AMAQI
16th Sep 2025547 AMAQI
16th Sep 2025558 AMAQI
16th Sep 2025569 AMAQI
16th Sep 20255510 AMAQI
16th Sep 20255511 AMAQI
16th Sep 20255612 PMAQI
16th Sep 2025551 PMAQI
16th Sep 2025542 PMAQI
16th Sep 2025543 PMAQI
16th Sep 2025544 PMAQI
16th Sep 2025525 PMAQI
16th Sep 2025536 PMAQI
16th Sep 2025547 PMAQI
16th Sep 2025548 PMAQI
16th Sep 2025549 PMAQI
16th Sep 20255410 PMAQI
16th Sep 20255411 PMAQI
17th Sep 20255412 AMAQI
17th Sep 2025541 AMAQI
17th Sep 2025532 AMAQI
17th Sep 2025533 AMAQI
17th Sep 2025544 AMAQI
17th Sep 2025535 AMAQI

25°C16/35°C

17th Sep 2025536 AMAQI
17th Sep 2025537 AMAQI
17th Sep 2025538 AMAQI
17th Sep 2025549 AMAQI
17th Sep 20255510 AMAQI
17th Sep 20255511 AMAQI
17th Sep 20255412 PMAQI
17th Sep 2025541 PMAQI
17th Sep 2025542 PMAQI
17th Sep 2025543 PMAQI
17th Sep 2025534 PMAQI
17th Sep 2025525 PMAQI
17th Sep 2025526 PMAQI
17th Sep 2025547 PMAQI
17th Sep 2025548 PMAQI
17th Sep 2025539 PMAQI
17th Sep 20255410 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255612 AMAQI
18th Sep 2025551 AMAQI
18th Sep 2025502 AMAQI
18th Sep 2025523 AMAQI
18th Sep 2025524 AMAQI
18th Sep 2025545 AMAQI

23°C13/33°C

18th Sep 2025526 AMAQI
18th Sep 2025537 AMAQI
18th Sep 2025518 AMAQI
18th Sep 2025529 AMAQI
18th Sep 20255210 AMAQI
18th Sep 20255311 AMAQI
18th Sep 20255412 PMAQI
18th Sep 2025571 PMAQI
18th Sep 2025522 PMAQI
18th Sep 2025543 PMAQI
18th Sep 2025534 PMAQI
18th Sep 2025535 PMAQI
18th Sep 2025536 PMAQI
18th Sep 2025537 PMAQI
18th Sep 2025538 PMAQI
18th Sep 2025529 PMAQI
18th Sep 20255310 PMAQI
18th Sep 20255411 PMAQI
19th Sep 20255412 AMAQI
19th Sep 2025541 AMAQI
19th Sep 2025512 AMAQI
19th Sep 2025433 AMAQI
19th Sep 2025334 AMAQI
19th Sep 2025295 AMAQI

24°C12/36°C

19th Sep 2025306 AMAQI
19th Sep 2025347 AMAQI
19th Sep 2025348 AMAQI
19th Sep 2025359 AMAQI
19th Sep 20253710 AMAQI
19th Sep 20254111 AMAQI
19th Sep 20254012 PMAQI
19th Sep 2025471 PMAQI
19th Sep 2025482 PMAQI
19th Sep 2025483 PMAQI
19th Sep 2025494 PMAQI
19th Sep 2025465 PMAQI
19th Sep 2025476 PMAQI
19th Sep 2025467 PMAQI
19th Sep 2025478 PMAQI
19th Sep 2025509 PMAQI
19th Sep 20255210 PMAQI
19th Sep 20255211 PMAQI
20th Sep 20255412 AMAQI
20th Sep 2025541 AMAQI
20th Sep 2025542 AMAQI
20th Sep 2025523 AMAQI
20th Sep 2025524 AMAQI
20th Sep 2025505 AMAQI

23°C16/32°C

20th Sep 2025526 AMAQI
20th Sep 2025537 AMAQI
20th Sep 2025538 AMAQI
20th Sep 2025549 AMAQI
20th Sep 20255510 AMAQI
20th Sep 20255411 AMAQI
20th Sep 20255312 PMAQI
20th Sep 2025521 PMAQI
20th Sep 2025532 PMAQI
20th Sep 2025543 PMAQI
20th Sep 2025524 PMAQI
20th Sep 2025525 PMAQI
20th Sep 2025526 PMAQI
20th Sep 2025547 PMAQI
20th Sep 2025528 PMAQI
20th Sep 2025519 PMAQI
20th Sep 20254810 PMAQI
20th Sep 20255011 PMAQI
21st Sep 20255012 AMAQI
21st Sep 2025511 AMAQI
21st Sep 2025342 AMAQI
21st Sep 2025323 AMAQI
21st Sep 2025334 AMAQI
21st Sep 2025365 AMAQI

22°C18/30°C

21st Sep 2025396 AMAQI
21st Sep 2025427 AMAQI
21st Sep 2025468 AMAQI
21st Sep 2025469 AMAQI
21st Sep 20254610 AMAQI
21st Sep 20254611 AMAQI
21st Sep 20254412 PMAQI
21st Sep 2025431 PMAQI
21st Sep 2025432 PMAQI
21st Sep 2025443 PMAQI
21st Sep 2025464 PMAQI
21st Sep 2025435 PMAQI
21st Sep 2025426 PMAQI
21st Sep 2025437 PMAQI
21st Sep 2025428 PMAQI
21st Sep 2025409 PMAQI
21st Sep 20253910 PMAQI
21st Sep 20253811 PMAQI
22nd Sep 20253812 AMAQI
22nd Sep 2025371 AMAQI
22nd Sep 2025242 AMAQI
22nd Sep 2025233 AMAQI
22nd Sep 2025254 AMAQI
22nd Sep 2025265 AMAQI

23°C17/32°C

22nd Sep 2025286 AMAQI
22nd Sep 2025287 AMAQI
22nd Sep 2025288 AMAQI
22nd Sep 2025329 AMAQI
22nd Sep 20253210 AMAQI
22nd Sep 20253511 AMAQI
22nd Sep 20253612 PMAQI
22nd Sep 2025381 PMAQI
22nd Sep 2025392 PMAQI
22nd Sep 2025373 PMAQI
22nd Sep 2025394 PMAQI
22nd Sep 2025375 PMAQI
22nd Sep 2025366 PMAQI
22nd Sep 2025347 PMAQI
22nd Sep 2025348 PMAQI
22nd Sep 2025379 PMAQI
22nd Sep 20253710 PMAQI
22nd Sep 20254011 PMAQI
23rd Sep 20253712 AMAQI
23rd Sep 2025361 AMAQI
23rd Sep 2025342 AMAQI
23rd Sep 2025363 AMAQI
23rd Sep 2025344 AMAQI
23rd Sep 2025345 AMAQI

22°C18/28°C

23rd Sep 2025356 AMAQI
23rd Sep 2025367 AMAQI
23rd Sep 2025368 AMAQI
23rd Sep 2025389 AMAQI
23rd Sep 20254110 AMAQI
23rd Sep 20254411 AMAQI
23rd Sep 20254612 PMAQI
23rd Sep 2025481 PMAQI
23rd Sep 2025452 PMAQI
23rd Sep 2025443 PMAQI
23rd Sep 2025444 PMAQI
23rd Sep 2025425 PMAQI
23rd Sep 2025406 PMAQI
23rd Sep 2025397 PMAQI
23rd Sep 2025398 PMAQI
23rd Sep 2025389 PMAQI
23rd Sep 20253810 PMAQI
23rd Sep 20253411 PMAQI
24th Sep 20253412 AMAQI
24th Sep 2025351 AMAQI
24th Sep 2025252 AMAQI
24th Sep 2025253 AMAQI
24th Sep 2025244 AMAQI
24th Sep 2025275 AMAQI

23°C17/32°C

24th Sep 2025286 AMAQI
24th Sep 2025287 AMAQI
24th Sep 2025298 AMAQI
24th Sep 2025309 AMAQI
24th Sep 20253510 AMAQI
24th Sep 20254111 AMAQI
24th Sep 20254412 PMAQI
24th Sep 2025451 PMAQI
24th Sep 2025422 PMAQI
24th Sep 2025383 PMAQI
24th Sep 2025374 PMAQI
24th Sep 2025365 PMAQI
24th Sep 2025346 PMAQI
24th Sep 2025347 PMAQI
24th Sep 2025338 PMAQI
24th Sep 2025339 PMAQI
24th Sep 20253210 PMAQI
24th Sep 20253111 PMAQI
25th Sep 20252312 AMAQI
25th Sep 2025181 AMAQI
25th Sep 2025172 AMAQI
25th Sep 2025183 AMAQI
25th Sep 2025224 AMAQI
25th Sep 2025205 AMAQI

21°C19/25°C

25th Sep 2025206 AMAQI
25th Sep 2025227 AMAQI
25th Sep 2025228 AMAQI
25th Sep 2025229 AMAQI
25th Sep 20252910 AMAQI
25th Sep 20253711 AMAQI
25th Sep 20252712 PMAQI
25th Sep 2025261 PMAQI
25th Sep 2025282 PMAQI
25th Sep 2025303 PMAQI
25th Sep 2025314 PMAQI
25th Sep 2025315 PMAQI
25th Sep 2025326 PMAQI
25th Sep 2025327 PMAQI
25th Sep 2025288 PMAQI
25th Sep 2025239 PMAQI
25th Sep 20252210 PMAQI
25th Sep 20252011 PMAQI
26th Sep 20252212 AMAQI
26th Sep 2025221 AMAQI
26th Sep 2025222 AMAQI
26th Sep 2025223 AMAQI
26th Sep 2025224 AMAQI
26th Sep 2025225 AMAQI

20°C13/28°C

26th Sep 2025226 AMAQI
26th Sep 2025227 AMAQI
26th Sep 2025228 AMAQI
26th Sep 2025339 AMAQI
26th Sep 20253610 AMAQI
26th Sep 20253511 AMAQI
26th Sep 20254112 PMAQI
26th Sep 2025401 PMAQI
26th Sep 2025332 PMAQI
26th Sep 2025343 PMAQI
26th Sep 2025364 PMAQI
26th Sep 2025375 PMAQI
26th Sep 2025376 PMAQI
26th Sep 2025357 PMAQI
26th Sep 2025318 PMAQI
26th Sep 2025309 PMAQI
26th Sep 20253810 PMAQI
26th Sep 20255211 PMAQI
27th Sep 20255512 AMAQI
27th Sep 2025501 AMAQI
27th Sep 2025442 AMAQI
27th Sep 2025413 AMAQI
27th Sep 2025374 AMAQI
27th Sep 2025375 AMAQI

21°C11/31°C

27th Sep 2025356 AMAQI
27th Sep 2025377 AMAQI
27th Sep 2025358 AMAQI
27th Sep 2025409 AMAQI
27th Sep 20254210 AMAQI
27th Sep 20254011 AMAQI
27th Sep 20254212 PMAQI
27th Sep 2025371 PMAQI
27th Sep 2025332 PMAQI
27th Sep 2025333 PMAQI
27th Sep 2025334 PMAQI
27th Sep 2025325 PMAQI
27th Sep 2025286 PMAQI
27th Sep 2025287 PMAQI
27th Sep 2025318 PMAQI
27th Sep 2025399 PMAQI
27th Sep 20253910 PMAQI
27th Sep 20254311 PMAQI
28th Sep 20255112 AMAQI
28th Sep 2025531 AMAQI
28th Sep 2025402 AMAQI
28th Sep 2025393 AMAQI
28th Sep 2025394 AMAQI
28th Sep 2025405 AMAQI

22°C12/33°C

28th Sep 2025446 AMAQI
28th Sep 2025447 AMAQI
28th Sep 2025448 AMAQI
28th Sep 2025449 AMAQI
28th Sep 20254010 AMAQI
28th Sep 20253911 AMAQI
28th Sep 20253812 PMAQI
28th Sep 2025371 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025333 PMAQI
28th Sep 2025334 PMAQI
28th Sep 2025335 PMAQI
28th Sep 2025326 PMAQI
28th Sep 2025357 PMAQI
28th Sep 2025428 PMAQI
28th Sep 2025669 PMAQI
28th Sep 20257010 PMAQI
28th Sep 20256711 PMAQI
29th Sep 20256212 AMAQI
29th Sep 2025601 AMAQI
29th Sep 2025562 AMAQI
29th Sep 2025563 AMAQI
29th Sep 2025554 AMAQI
29th Sep 2025555 AMAQI

23°C12/35°C

29th Sep 2025546 AMAQI
29th Sep 2025497 AMAQI
29th Sep 2025478 AMAQI
29th Sep 2025519 AMAQI
29th Sep 20255610 AMAQI
29th Sep 20254711 AMAQI
29th Sep 20253912 PMAQI
29th Sep 2025361 PMAQI
29th Sep 2025322 PMAQI
29th Sep 2025333 PMAQI
29th Sep 2025284 PMAQI
29th Sep 2025305 PMAQI
29th Sep 2025316 PMAQI
29th Sep 2025347 PMAQI
29th Sep 2025408 PMAQI
29th Sep 2025609 PMAQI
29th Sep 20254910 PMAQI
29th Sep 20252611 PMAQI
30th Sep 20253212 AMAQI
30th Sep 2025321 AMAQI
30th Sep 2025252 AMAQI
30th Sep 2025243 AMAQI
30th Sep 2025254 AMAQI
30th Sep 2025345 AMAQI

24°C14/35°C

30th Sep 2025286 AMAQI
30th Sep 2025367 AMAQI
30th Sep 2025308 AMAQI
30th Sep 2025259 AMAQI
30th Sep 20252810 AMAQI
30th Sep 20252611 AMAQI
30th Sep 20253212 PMAQI
30th Sep 2025281 PMAQI
30th Sep 2025472 PMAQI
30th Sep 2025403 PMAQI
30th Sep 2025264 PMAQI
30th Sep 2025285 PMAQI
30th Sep 2025286 PMAQI
30th Sep 2025247 PMAQI
30th Sep 2025228 PMAQI
30th Sep 2025289 PMAQI
30th Sep 20254310 PMAQI
30th Sep 20254311 PMAQI
1st Oct 20253912 AMAQI
1st Oct 2025391 AMAQI
1st Oct 2025442 AMAQI
1st Oct 2025393 AMAQI
1st Oct 2025484 AMAQI
1st Oct 2025565 AMAQI

24°C15/34°C

1st Oct 2025456 AMAQI
1st Oct 2025377 AMAQI
1st Oct 2025428 AMAQI
1st Oct 2025469 AMAQI
1st Oct 20254810 AMAQI
1st Oct 20254711 AMAQI
1st Oct 20255212 PMAQI
1st Oct 2025461 PMAQI
1st Oct 2025392 PMAQI
1st Oct 2025423 PMAQI
1st Oct 2025434 PMAQI
1st Oct 2025415 PMAQI
1st Oct 2025446 PMAQI
1st Oct 2025497 PMAQI
1st Oct 2025488 PMAQI
1st Oct 2025489 PMAQI
1st Oct 20255110 PMAQI
1st Oct 20255411 PMAQI
2nd Oct 20255512 AMAQI
2nd Oct 2025571 AMAQI
2nd Oct 2025542 AMAQI
2nd Oct 2025563 AMAQI
2nd Oct 2025564 AMAQI
2nd Oct 2025585 AMAQI

23°C13/33°C

2nd Oct 2025536 AMAQI
2nd Oct 2025517 AMAQI
2nd Oct 2025498 AMAQI
2nd Oct 2025599 AMAQI
2nd Oct 20256810 AMAQI
2nd Oct 20256011 AMAQI
2nd Oct 20255812 PMAQI
2nd Oct 2025551 PMAQI
2nd Oct 2025542 PMAQI
2nd Oct 2025513 PMAQI
2nd Oct 2025444 PMAQI
2nd Oct 2025445 PMAQI
2nd Oct 2025476 PMAQI
2nd Oct 2025387 PMAQI
2nd Oct 2025388 PMAQI
2nd Oct 2025429 PMAQI
2nd Oct 20255310 PMAQI
2nd Oct 20255611 PMAQI
3rd Oct 20255612 AMAQI
3rd Oct 2025511 AMAQI
3rd Oct 2025472 AMAQI
3rd Oct 2025423 AMAQI
3rd Oct 2025414 AMAQI
3rd Oct 2025485 AMAQI

24°C16/34°C

3rd Oct 2025396 AMAQI
3rd Oct 2025417 AMAQI
3rd Oct 2025438 AMAQI
3rd Oct 2025389 AMAQI
3rd Oct 20255810 AMAQI
3rd Oct 20255411 AMAQI
3rd Oct 20255112 PMAQI
3rd Oct 2025541 PMAQI
3rd Oct 2025582 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025564 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025536 PMAQI
3rd Oct 2025547 PMAQI
3rd Oct 2025568 PMAQI
3rd Oct 2025579 PMAQI
3rd Oct 20255910 PMAQI
3rd Oct 20255511 PMAQI
4th Oct 20256012 AMAQI
4th Oct 2025591 AMAQI
4th Oct 2025582 AMAQI
4th Oct 2025583 AMAQI
4th Oct 2025574 AMAQI
4th Oct 2025565 AMAQI

24°C18/34°C

4th Oct 2025576 AMAQI
4th Oct 2025607 AMAQI
4th Oct 2025618 AMAQI
4th Oct 2025579 AMAQI
4th Oct 20256110 AMAQI
4th Oct 20256411 AMAQI
4th Oct 20257412 PMAQI
4th Oct 2025751 PMAQI
4th Oct 2025732 PMAQI
4th Oct 2025683 PMAQI
4th Oct 2025584 PMAQI
4th Oct 2025545 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025547 PMAQI
4th Oct 2025548 PMAQI
4th Oct 2025549 PMAQI
4th Oct 20255410 PMAQI
4th Oct 20255711 PMAQI
5th Oct 20255812 AMAQI
5th Oct 2025571 AMAQI
5th Oct 2025542 AMAQI
5th Oct 2025563 AMAQI
5th Oct 2025554 AMAQI
5th Oct 2025535 AMAQI

25°C18/33°C

5th Oct 2025506 AMAQI
5th Oct 2025517 AMAQI
5th Oct 2025448 AMAQI
5th Oct 2025479 AMAQI
5th Oct 20254510 AMAQI
5th Oct 20254611 AMAQI
5th Oct 20254812 PMAQI
5th Oct 2025401 PMAQI
5th Oct 2025402 PMAQI
5th Oct 2025403 PMAQI
5th Oct 2025434 PMAQI
5th Oct 2025425 PMAQI
5th Oct 2025426 PMAQI
5th Oct 2025407 PMAQI
5th Oct 2025448 PMAQI
5th Oct 2025439 PMAQI
5th Oct 20254010 PMAQI
5th Oct 20253511 PMAQI
6th Oct 20254612 AMAQI
6th Oct 2025451 AMAQI
6th Oct 2025512 AMAQI
6th Oct 2025533 AMAQI
6th Oct 2025464 AMAQI
6th Oct 2025475 AMAQI

23°C16/32°C

6th Oct 2025396 AMAQI
6th Oct 2025437 AMAQI
6th Oct 2025448 AMAQI
6th Oct 2025499 AMAQI
6th Oct 20254710 AMAQI
6th Oct 20255211 AMAQI
6th Oct 20254512 PMAQI

24°C19/32°C

7th Oct 2025446 AMAQI
7th Oct 2025147 AMAQI
7th Oct 2025358 AMAQI
7th Oct 2025429 AMAQI
7th Oct 20252410 AMAQI
7th Oct 20253011 AMAQI
7th Oct 20252812 PMAQI
7th Oct 2025361 PMAQI
7th Oct 2025382 PMAQI
7th Oct 2025323 PMAQI
7th Oct 2025254 PMAQI
7th Oct 2025245 PMAQI
7th Oct 2025276 PMAQI
7th Oct 2025257 PMAQI
7th Oct 2025198 PMAQI
7th Oct 2025229 PMAQI
7th Oct 20252010 PMAQI
7th Oct 20254511 PMAQI
8th Oct 20254812 AMAQI
8th Oct 2025471 AMAQI
8th Oct 2025412 AMAQI
8th Oct 2025193 AMAQI
8th Oct 2025164 AMAQI
8th Oct 2025145 AMAQI

18°C13/21°C

8th Oct 2025146 AMAQI
8th Oct 2025167 AMAQI
8th Oct 2025238 AMAQI
8th Oct 2025289 AMAQI
8th Oct 20253210 AMAQI
8th Oct 20253411 AMAQI
8th Oct 20254812 PMAQI
8th Oct 2025401 PMAQI
8th Oct 2025302 PMAQI
8th Oct 2025253 PMAQI
8th Oct 2025304 PMAQI
8th Oct 2025245 PMAQI
8th Oct 2025196 PMAQI
8th Oct 2025317 PMAQI
8th Oct 2025358 PMAQI
8th Oct 2025399 PMAQI
8th Oct 20253810 PMAQI
8th Oct 20254911 PMAQI
9th Oct 20253912 AMAQI
9th Oct 2025401 AMAQI
9th Oct 2025392 AMAQI
9th Oct 2025333 AMAQI
9th Oct 2025244 AMAQI
9th Oct 2025225 AMAQI

14°C6/24°C

9th Oct 2025216 AMAQI
9th Oct 2025187 AMAQI
9th Oct 2025228 AMAQI
9th Oct 2025309 AMAQI
9th Oct 20254310 AMAQI
9th Oct 20255511 AMAQI
9th Oct 20255312 PMAQI
9th Oct 2025531 PMAQI
9th Oct 2025562 PMAQI
9th Oct 2025493 PMAQI
9th Oct 2025504 PMAQI
9th Oct 2025735 PMAQI
9th Oct 2025286 PMAQI
9th Oct 2025177 PMAQI
9th Oct 2025358 PMAQI
9th Oct 2025439 PMAQI
9th Oct 20254910 PMAQI
9th Oct 20255111 PMAQI
10th Oct 20256312 AMAQI
10th Oct 2025681 AMAQI
10th Oct 2025592 AMAQI
10th Oct 2025453 AMAQI
10th Oct 2025554 AMAQI
10th Oct 2025465 AMAQI

15°C6/24°C

10th Oct 2025436 AMAQI
10th Oct 2025477 AMAQI
10th Oct 2025528 AMAQI
10th Oct 2025519 AMAQI
10th Oct 20256910 AMAQI
10th Oct 20257211 AMAQI
10th Oct 20253412 PMAQI
10th Oct 2025341 PMAQI
10th Oct 2025542 PMAQI
10th Oct 2025573 PMAQI
10th Oct 2025454 PMAQI
10th Oct 2025425 PMAQI
10th Oct 2025166 PMAQI
10th Oct 2025487 PMAQI
10th Oct 2025498 PMAQI
10th Oct 2025499 PMAQI
10th Oct 20254510 PMAQI
10th Oct 20255111 PMAQI
11th Oct 20255212 AMAQI
11th Oct 2025461 AMAQI
11th Oct 2025462 AMAQI
11th Oct 2025443 AMAQI
11th Oct 2025414 AMAQI
11th Oct 2025465 AMAQI

16°C8/25°C

11th Oct 2025426 AMAQI
11th Oct 2025407 AMAQI
11th Oct 2025508 AMAQI
11th Oct 2025539 AMAQI
11th Oct 20255410 AMAQI
11th Oct 20254411 AMAQI
11th Oct 20254512 PMAQI
11th Oct 2025551 PMAQI
11th Oct 2025572 PMAQI
11th Oct 2025613 PMAQI
11th Oct 2025564 PMAQI
11th Oct 2025545 PMAQI
11th Oct 2025536 PMAQI
11th Oct 2025547 PMAQI
11th Oct 2025528 PMAQI
11th Oct 2025539 PMAQI
11th Oct 20255610 PMAQI
11th Oct 20255011 PMAQI
12th Oct 20254912 AMAQI
12th Oct 2025301 AMAQI
12th Oct 2025382 AMAQI
12th Oct 2025383 AMAQI
12th Oct 2025344 AMAQI
12th Oct 2025325 AMAQI

19°C12/25°C

12th Oct 2025306 AMAQI
12th Oct 2025257 AMAQI
12th Oct 2025268 AMAQI
12th Oct 2025279 AMAQI
12th Oct 20252810 AMAQI
12th Oct 20253011 AMAQI
12th Oct 20253612 PMAQI
12th Oct 2025411 PMAQI
12th Oct 2025452 PMAQI
12th Oct 2025453 PMAQI
12th Oct 2025454 PMAQI
12th Oct 2025445 PMAQI
12th Oct 2025456 PMAQI
12th Oct 2025477 PMAQI
12th Oct 2025418 PMAQI
12th Oct 2025519 PMAQI
12th Oct 20255510 PMAQI
12th Oct 20255311 PMAQI
13th Oct 20258212 AMAQI
13th Oct 2025641 AMAQI
13th Oct 2025492 AMAQI
13th Oct 2025493 AMAQI
13th Oct 2025524 AMAQI
13th Oct 2025455 AMAQI

18°C9/28°C

13th Oct 2025496 AMAQI
13th Oct 2025457 AMAQI
13th Oct 2025618 AMAQI
13th Oct 2025859 AMAQI
13th Oct 20257310 AMAQI
13th Oct 20256611 AMAQI
13th Oct 20256512 PMAQI
13th Oct 2025641 PMAQI
13th Oct 2025592 PMAQI
13th Oct 2025693 PMAQI
13th Oct 2025584 PMAQI
13th Oct 2025565 PMAQI
13th Oct 2025566 PMAQI
13th Oct 2025587 PMAQI
13th Oct 2025578 PMAQI
13th Oct 2025589 PMAQI
13th Oct 20256410 PMAQI
13th Oct 20256811 PMAQI
14th Oct 20257312 AMAQI
14th Oct 2025691 AMAQI
14th Oct 2025612 AMAQI
14th Oct 2025543 AMAQI
14th Oct 2025544 AMAQI
14th Oct 2025505 AMAQI

21°C15/29°C

14th Oct 2025526 AMAQI
14th Oct 2025507 AMAQI
14th Oct 2025558 AMAQI
14th Oct 2025769 AMAQI
14th Oct 202511010 AMAQI
14th Oct 202510511 AMAQI
14th Oct 20257412 PMAQI
14th Oct 2025571 PMAQI
14th Oct 2025542 PMAQI
14th Oct 2025543 PMAQI
14th Oct 2025554 PMAQI
14th Oct 2025505 PMAQI
14th Oct 2025506 PMAQI
14th Oct 2025517 PMAQI
14th Oct 2025538 PMAQI
14th Oct 2025539 PMAQI
14th Oct 20255710 PMAQI
14th Oct 20256411 PMAQI
15th Oct 20256712 AMAQI
15th Oct 2025641 AMAQI
15th Oct 2025632 AMAQI
15th Oct 2025623 AMAQI
15th Oct 2025624 AMAQI
15th Oct 2025625 AMAQI

22°C14/30°C

15th Oct 2025616 AMAQI
15th Oct 2025617 AMAQI
15th Oct 2025578 AMAQI
15th Oct 2025569 AMAQI
15th Oct 20256710 AMAQI
15th Oct 20259311 AMAQI
15th Oct 20258112 PMAQI
15th Oct 2025791 PMAQI
15th Oct 2025602 PMAQI
15th Oct 2025623 PMAQI
15th Oct 2025714 PMAQI
15th Oct 2025605 PMAQI
15th Oct 2025586 PMAQI
15th Oct 2025537 PMAQI
15th Oct 2025538 PMAQI
15th Oct 2025589 PMAQI
15th Oct 20256410 PMAQI
15th Oct 20256211 PMAQI
16th Oct 20255812 AMAQI
16th Oct 2025571 AMAQI
16th Oct 2025542 AMAQI
16th Oct 2025543 AMAQI
16th Oct 2025554 AMAQI
16th Oct 2025535 AMAQI

21°C14/31°C

16th Oct 2025556 AMAQI
6 AM
16th Oct 2025537 AMAQI
16th Oct 2025508 AMAQI
16th Oct 2025559 AMAQI
16th Oct 20255410 AMAQI
16th Oct 20255611 AMAQI
16th Oct 20255812 PMAQI
12 PM
16th Oct 2025571 PMAQI
16th Oct 2025562 PMAQI
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
10 AM - 11 AM

50AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM - 7 AM

41AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 11 AM (Avg. 50), while the lowest AQI was between 6 AM to 7 AM (Avg. 41).
Night time
Avg. Highest Time
12 AM

51AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM - 8 PM

42AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 51), while the lowest AQI was between 3 AM to 8 PM (Avg. 42).

2025 Days Vs Air Quality

Springfield Ag, Springfield, Illinois, United States

2025

82%

236

18%

51

0.3%

1

Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)

Good
236 Days
Moderate
51 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2025, 82% of 289 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
54AQI
4th August 2025
49AQI
5th August 2025
55AQI
6th August 2025
60AQI
7th August 2025
54AQI
8th August 2025
54AQI
9th August 2025
54AQI
10th August 2025
49AQI
11th August 2025
48AQI
12th August 2025
44AQI
13th August 2025
45AQI
14th August 2025
58AQI
15th August 2025
59AQI
16th August 2025
55AQI
17th August 2025
50AQI
18th August 2025
48AQI
19th August 2025
43AQI
20th August 2025
24AQI
21st August 2025
20AQI
22nd August 2025
31AQI
23rd August 2025
39AQI
24th August 2025
26AQI
25th August 2025
21AQI
26th August 2025
26AQI
27th August 2025
33AQI
28th August 2025
34AQI
29th August 2025
37AQI
30th August 2025
30AQI
31st August 2025
30AQI
1st September 2025
30AQI
2nd September 2025
29AQI
3rd September 2025
37AQI
4th September 2025
62AQI
5th September 2025
52AQI
6th September 2025
27AQI
7th September 2025
29AQI
8th September 2025
26AQI
9th September 2025
30AQI
10th September 2025
44AQI
11th September 2025
56AQI
12th September 2025
58AQI
13th September 2025
59AQI
14th September 2025
57AQI
15th September 2025
56AQI
16th September 2025
54AQI
17th September 2025
53AQI
18th September 2025
53AQI
19th September 2025
44AQI
20th September 2025
52AQI
21st September 2025
42AQI
22nd September 2025
33AQI
23rd September 2025
39AQI
24th September 2025
33AQI
25th September 2025
25AQI
26th September 2025
31AQI
27th September 2025
38AQI
28th September 2025
44AQI
29th September 2025
46AQI
30th September 2025
30AQI
1st October 2025
46AQI
2nd October 2025
52AQI
3rd October 2025
51AQI
4th October 2025
59AQI
5th October 2025
49AQI
6th October 2025
48AQI
7th October 2025
29AQI
8th October 2025
31AQI
9th October 2025
39AQI
10th October 2025
50AQI
11th October 2025
50AQI
12th October 2025
39AQI
13th October 2025
60AQI
14th October 2025
61AQI
15th October 2025
64AQI
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

26AQI

30AQI

30AQI

31AQI

26AQI

47AQI

41AQI

46AQI

42AQI

49AQI

No. of days

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

202536AQI

30
1
27
1
29
2
29
1
30
1
17
13
26
5
20
10
1
19
11
9
6
236
51
1

Highest AQI recorded in

October

49AQI

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 (36) shows an average percentage change of 6.07% (worsened AQI) compared to previous years: 2020 (32), 2021 (35), 2022 (37), 2023 (39), 2024 (29).