Peoria, 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
Peoria, Illinois, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Oct 2025
64AQILowest AQI recorded on
19th Oct 2025
22AQISame Day Analysis (21st October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Oct - 22nd Oct 2025
Peoria, Illinois, United States
AQI
Day
Night
.
7 AM21st Oct 2025
6 PM
6 AM22nd Oct 2025
Day time
Avg. Highest Time
6PM21st Oct
50AQI
Avg. Lowest Time
7AM21st Oct
20AQI
Night time
Avg. Highest Time
7PM21st Oct
39AQI
Avg. Lowest Time
6AM22nd Oct
17AQI
In the last 24 hours,
Peoria's AQI reached its highest point of 50 at 6 PM during the Day, while the lowest point, 17, was recorded at 6 AM during the Night between 21st Oct and 22nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Peoria, Illinois, United States
SepOct
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
22nd Sep 2025307 AMAQI
22nd Sep 2025338 AMAQI
22nd Sep 2025349 AMAQI
22nd Sep 20253210 AMAQI
22nd Sep 20253311 AMAQI
22nd Sep 20253512 PMAQI
22nd Sep 2025401 PMAQI
22nd Sep 2025422 PMAQI
22nd Sep 2025403 PMAQI
22nd Sep 2025414 PMAQI
22nd Sep 2025405 PMAQI
22nd Sep 2025386 PMAQI
22nd Sep 2025357 PMAQI
22nd Sep 2025368 PMAQI
22nd Sep 2025419 PMAQI
22nd Sep 20254010 PMAQI
22nd Sep 20254011 PMAQI
23rd Sep 20253912 AMAQI
23rd Sep 2025411 AMAQI
23rd Sep 2025452 AMAQI
23rd Sep 2025443 AMAQI
23rd Sep 2025454 AMAQI
23rd Sep 2025395 AMAQI
23rd Sep 2025386 AMAQI
23°C18/29°C
23rd Sep 2025417 AMAQI
23rd Sep 2025398 AMAQI
23rd Sep 2025379 AMAQI
23rd Sep 20253610 AMAQI
23rd Sep 20253611 AMAQI
23rd Sep 20253612 PMAQI
23rd Sep 2025341 PMAQI
23rd Sep 2025352 PMAQI
23rd Sep 2025373 PMAQI
23rd Sep 2025374 PMAQI
23rd Sep 2025345 PMAQI
23rd Sep 2025336 PMAQI
23rd Sep 2025397 PMAQI
23rd Sep 2025388 PMAQI
23rd Sep 2025359 PMAQI
23rd Sep 20253510 PMAQI
23rd Sep 20253611 PMAQI
24th Sep 20253812 AMAQI
24th Sep 2025401 AMAQI
24th Sep 2025422 AMAQI
24th Sep 2025423 AMAQI
24th Sep 2025454 AMAQI
24th Sep 2025425 AMAQI
24th Sep 2025396 AMAQI
24°C18/31°C
24th Sep 2025357 AMAQI
24th Sep 2025328 AMAQI
24th Sep 2025289 AMAQI
24th Sep 20252810 AMAQI
24th Sep 20252911 AMAQI
24th Sep 20253012 PMAQI
24th Sep 2025321 PMAQI
24th Sep 2025342 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025344 PMAQI
24th Sep 2025345 PMAQI
24th Sep 2025326 PMAQI
24th Sep 2025347 PMAQI
24th Sep 2025338 PMAQI
24th Sep 2025339 PMAQI
24th Sep 20253210 PMAQI
24th Sep 20253111 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025221 AMAQI
25th Sep 2025222 AMAQI
25th Sep 2025223 AMAQI
25th Sep 2025224 AMAQI
25th Sep 2025225 AMAQI
25th Sep 2025236 AMAQI
22°C19/27°C
25th Sep 2025227 AMAQI
25th Sep 2025248 AMAQI
25th Sep 2025289 AMAQI
25th Sep 20252810 AMAQI
25th Sep 20252811 AMAQI
25th Sep 20252812 PMAQI
25th Sep 2025281 PMAQI
25th Sep 2025292 PMAQI
25th Sep 2025303 PMAQI
25th Sep 2025314 PMAQI
25th Sep 2025315 PMAQI
25th Sep 2025316 PMAQI
25th Sep 2025327 PMAQI
25th Sep 2025328 PMAQI
25th Sep 2025409 PMAQI
25th Sep 20253510 PMAQI
25th Sep 20252511 PMAQI
26th Sep 20252812 AMAQI
26th Sep 2025281 AMAQI
26th Sep 2025282 AMAQI
26th Sep 2025283 AMAQI
26th Sep 2025284 AMAQI
26th Sep 2025285 AMAQI
26th Sep 2025316 AMAQI
20°C13/28°C
26th Sep 2025387 AMAQI
26th Sep 2025498 AMAQI
26th Sep 2025569 AMAQI
26th Sep 20256210 AMAQI
26th Sep 20256911 AMAQI
26th Sep 20255412 PMAQI
26th Sep 2025331 PMAQI
26th Sep 2025332 PMAQI
26th Sep 2025363 PMAQI
26th Sep 2025374 PMAQI
26th Sep 2025385 PMAQI
26th Sep 2025396 PMAQI
26th Sep 2025377 PMAQI
26th Sep 2025378 PMAQI
26th Sep 2025479 PMAQI
26th Sep 20255310 PMAQI
26th Sep 20255511 PMAQI
27th Sep 20255912 AMAQI
27th Sep 2025571 AMAQI
27th Sep 2025542 AMAQI
27th Sep 2025543 AMAQI
27th Sep 2025534 AMAQI
27th Sep 2025525 AMAQI
27th Sep 2025506 AMAQI
21°C12/31°C
27th Sep 2025527 AMAQI
27th Sep 2025538 AMAQI
27th Sep 2025519 AMAQI
27th Sep 20255210 AMAQI
27th Sep 20254511 AMAQI
27th Sep 20253312 PMAQI
27th Sep 2025331 PMAQI
27th Sep 2025332 PMAQI
27th Sep 2025333 PMAQI
27th Sep 2025334 PMAQI
27th Sep 2025335 PMAQI
27th Sep 2025336 PMAQI
27th Sep 2025357 PMAQI
27th Sep 2025408 PMAQI
27th Sep 2025479 PMAQI
27th Sep 20255610 PMAQI
27th Sep 20256011 PMAQI
28th Sep 20256212 AMAQI
28th Sep 2025601 AMAQI
28th Sep 2025582 AMAQI
28th Sep 2025603 AMAQI
28th Sep 2025674 AMAQI
28th Sep 2025655 AMAQI
28th Sep 2025586 AMAQI
23°C15/33°C
28th Sep 2025587 AMAQI
28th Sep 2025588 AMAQI
28th Sep 2025569 AMAQI
28th Sep 20255610 AMAQI
28th Sep 20255411 AMAQI
28th Sep 20254412 PMAQI
28th Sep 2025391 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025303 PMAQI
28th Sep 2025354 PMAQI
28th Sep 2025365 PMAQI
28th Sep 2025336 PMAQI
28th Sep 2025377 PMAQI
28th Sep 2025428 PMAQI
28th Sep 2025519 PMAQI
28th Sep 20255510 PMAQI
28th Sep 20255611 PMAQI
29th Sep 20255412 AMAQI
29th Sep 2025501 AMAQI
29th Sep 2025482 AMAQI
29th Sep 2025463 AMAQI
29th Sep 2025484 AMAQI
29th Sep 2025465 AMAQI
29th Sep 2025486 AMAQI
24°C14/33°C
29th Sep 2025457 AMAQI
29th Sep 2025488 AMAQI
29th Sep 2025499 AMAQI
29th Sep 20255510 AMAQI
29th Sep 20255311 AMAQI
29th Sep 20253812 PMAQI
29th Sep 2025341 PMAQI
29th Sep 2025342 PMAQI
29th Sep 2025313 PMAQI
29th Sep 2025274 PMAQI
29th Sep 2025285 PMAQI
29th Sep 2025316 PMAQI
29th Sep 2025347 PMAQI
29th Sep 2025408 PMAQI
29th Sep 2025569 PMAQI
29th Sep 20254410 PMAQI
29th Sep 20252511 PMAQI
30th Sep 20253212 AMAQI
30th Sep 2025281 AMAQI
30th Sep 2025252 AMAQI
30th Sep 2025263 AMAQI
30th Sep 2025294 AMAQI
30th Sep 2025405 AMAQI
30th Sep 2025336 AMAQI
24°C15/34°C
30th Sep 2025387 AMAQI
30th Sep 2025298 AMAQI
30th Sep 2025289 AMAQI
30th Sep 20253010 AMAQI
30th Sep 20253311 AMAQI
30th Sep 20253212 PMAQI
30th Sep 2025301 PMAQI
30th Sep 2025472 PMAQI
30th Sep 2025463 PMAQI
30th Sep 2025274 PMAQI
30th Sep 2025295 PMAQI
30th Sep 2025276 PMAQI
30th Sep 2025327 PMAQI
30th Sep 2025268 PMAQI
30th Sep 2025289 PMAQI
30th Sep 20254010 PMAQI
30th Sep 20254711 PMAQI
1st Oct 20254712 AMAQI
1st Oct 2025501 AMAQI
1st Oct 2025482 AMAQI
1st Oct 2025533 AMAQI
1st Oct 2025544 AMAQI
1st Oct 2025575 AMAQI
1st Oct 2025566 AMAQI
24°C18/33°C
1st Oct 2025557 AMAQI
1st Oct 2025548 AMAQI
1st Oct 2025549 AMAQI
1st Oct 20255510 AMAQI
1st Oct 20255011 AMAQI
1st Oct 20255112 PMAQI
1st Oct 2025691 PMAQI
1st Oct 2025732 PMAQI
1st Oct 2025523 PMAQI
1st Oct 2025464 PMAQI
1st Oct 2025455 PMAQI
1st Oct 2025446 PMAQI
1st Oct 2025417 PMAQI
1st Oct 2025478 PMAQI
1st Oct 2025549 PMAQI
1st Oct 20255510 PMAQI
1st Oct 20255611 PMAQI
2nd Oct 20255612 AMAQI
2nd Oct 2025571 AMAQI
2nd Oct 2025572 AMAQI
2nd Oct 2025553 AMAQI
2nd Oct 2025544 AMAQI
2nd Oct 2025525 AMAQI
2nd Oct 2025526 AMAQI
24°C18/31°C
2nd Oct 2025487 AMAQI
2nd Oct 2025448 AMAQI
2nd Oct 2025419 AMAQI
2nd Oct 20254510 AMAQI
2nd Oct 20254911 AMAQI
2nd Oct 20255612 PMAQI
2nd Oct 2025571 PMAQI
2nd Oct 2025582 PMAQI
2nd Oct 2025583 PMAQI
2nd Oct 2025584 PMAQI
2nd Oct 2025605 PMAQI
2nd Oct 2025586 PMAQI
2nd Oct 2025577 PMAQI
2nd Oct 2025598 PMAQI
2nd Oct 2025619 PMAQI
2nd Oct 20256110 PMAQI
2nd Oct 20256111 PMAQI
3rd Oct 20255912 AMAQI
3rd Oct 2025601 AMAQI
3rd Oct 2025582 AMAQI
3rd Oct 2025593 AMAQI
3rd Oct 2025594 AMAQI
3rd Oct 2025585 AMAQI
3rd Oct 2025496 AMAQI
24°C17/32°C
3rd Oct 2025597 AMAQI
3rd Oct 2025608 AMAQI
3rd Oct 2025589 AMAQI
3rd Oct 20255810 AMAQI
3rd Oct 20256011 AMAQI
3rd Oct 20256612 PMAQI
3rd Oct 2025721 PMAQI
3rd Oct 2025732 PMAQI
3rd Oct 2025623 PMAQI
3rd Oct 2025614 PMAQI
3rd Oct 2025595 PMAQI
3rd Oct 2025626 PMAQI
3rd Oct 2025597 PMAQI
3rd Oct 2025608 PMAQI
3rd Oct 2025649 PMAQI
3rd Oct 20256210 PMAQI
3rd Oct 20256611 PMAQI
4th Oct 20256012 AMAQI
4th Oct 2025591 AMAQI
4th Oct 2025622 AMAQI
4th Oct 2025613 AMAQI
4th Oct 2025684 AMAQI
4th Oct 2025645 AMAQI
4th Oct 2025636 AMAQI
25°C18/34°C
4th Oct 2025627 AMAQI
4th Oct 2025638 AMAQI
4th Oct 2025629 AMAQI
4th Oct 20256210 AMAQI
4th Oct 20256211 AMAQI
4th Oct 20256812 PMAQI
4th Oct 2025801 PMAQI
4th Oct 2025772 PMAQI
4th Oct 2025713 PMAQI
4th Oct 2025764 PMAQI
4th Oct 2025745 PMAQI
4th Oct 2025666 PMAQI
4th Oct 2025607 PMAQI
4th Oct 2025578 PMAQI
4th Oct 2025559 PMAQI
4th Oct 20255710 PMAQI
4th Oct 20256311 PMAQI
5th Oct 20256112 AMAQI
5th Oct 2025611 AMAQI
5th Oct 2025592 AMAQI
5th Oct 2025593 AMAQI
5th Oct 2025604 AMAQI
5th Oct 2025585 AMAQI
5th Oct 2025586 AMAQI
25°C18/32°C
5th Oct 2025617 AMAQI
5th Oct 2025588 AMAQI
5th Oct 2025599 AMAQI
5th Oct 20255810 AMAQI
5th Oct 20255611 AMAQI
5th Oct 20255312 PMAQI
5th Oct 2025521 PMAQI
5th Oct 2025532 PMAQI
5th Oct 2025453 PMAQI
5th Oct 2025544 PMAQI
5th Oct 2025555 PMAQI
5th Oct 2025526 PMAQI
5th Oct 2025467 PMAQI
5th Oct 2025478 PMAQI
5th Oct 2025479 PMAQI
5th Oct 20254610 PMAQI
5th Oct 20254311 PMAQI
6th Oct 20254412 AMAQI
6th Oct 2025381 AMAQI
6th Oct 2025412 AMAQI
6th Oct 2025403 AMAQI
6th Oct 2025484 AMAQI
6th Oct 2025525 AMAQI
6th Oct 2025536 AMAQI
24°C17/31°C
6th Oct 2025547 AMAQI
6th Oct 2025498 AMAQI
6th Oct 2025539 AMAQI
6th Oct 20255410 AMAQI
6th Oct 20255011 AMAQI
6th Oct 20254912 PMAQI
7th Oct 2025386 AMAQI
24°C19/31°C
7th Oct 2025137 AMAQI
7th Oct 2025388 AMAQI
7th Oct 2025439 AMAQI
7th Oct 20252410 AMAQI
7th Oct 20251711 AMAQI
7th Oct 20251812 PMAQI
7th Oct 2025231 PMAQI
7th Oct 2025332 PMAQI
7th Oct 2025293 PMAQI
7th Oct 2025234 PMAQI
7th Oct 2025195 PMAQI
7th Oct 2025196 PMAQI
7th Oct 2025177 PMAQI
7th Oct 2025188 PMAQI
7th Oct 2025139 PMAQI
7th Oct 20251610 PMAQI
7th Oct 20254511 PMAQI
8th Oct 20254212 AMAQI
8th Oct 2025451 AMAQI
8th Oct 2025402 AMAQI
8th Oct 2025213 AMAQI
8th Oct 2025174 AMAQI
8th Oct 2025145 AMAQI
8th Oct 2025146 AMAQI
18°C15/19°C
8th Oct 2025177 AMAQI
8th Oct 2025268 AMAQI
8th Oct 2025339 AMAQI
8th Oct 20254010 AMAQI
8th Oct 20254411 AMAQI
8th Oct 20253812 PMAQI
8th Oct 2025241 PMAQI
8th Oct 2025532 PMAQI
8th Oct 2025683 PMAQI
8th Oct 2025284 PMAQI
8th Oct 2025225 PMAQI
8th Oct 2025206 PMAQI
8th Oct 2025427 PMAQI
8th Oct 2025258 PMAQI
8th Oct 2025249 PMAQI
8th Oct 20253810 PMAQI
8th Oct 20254011 PMAQI
9th Oct 20253612 AMAQI
9th Oct 2025401 AMAQI
9th Oct 2025342 AMAQI
9th Oct 2025233 AMAQI
9th Oct 2025264 AMAQI
9th Oct 2025245 AMAQI
9th Oct 2025206 AMAQI
15°C10/23°C
9th Oct 2025177 AMAQI
9th Oct 2025218 AMAQI
9th Oct 2025229 AMAQI
9th Oct 20252010 AMAQI
9th Oct 20254611 AMAQI
9th Oct 20257812 PMAQI
9th Oct 2025811 PMAQI
9th Oct 2025602 PMAQI
9th Oct 2025573 PMAQI
9th Oct 2025514 PMAQI
9th Oct 2025705 PMAQI
9th Oct 2025576 PMAQI
9th Oct 2025617 PMAQI
9th Oct 2025628 PMAQI
9th Oct 2025999 PMAQI
9th Oct 20256110 PMAQI
9th Oct 20254511 PMAQI
10th Oct 20253612 AMAQI
10th Oct 2025431 AMAQI
10th Oct 2025402 AMAQI
10th Oct 2025413 AMAQI
10th Oct 2025544 AMAQI
10th Oct 2025455 AMAQI
10th Oct 2025366 AMAQI
15°C9/23°C
10th Oct 2025417 AMAQI
10th Oct 2025408 AMAQI
10th Oct 2025429 AMAQI
10th Oct 20254210 AMAQI
10th Oct 20254111 AMAQI
10th Oct 20253112 PMAQI
10th Oct 2025381 PMAQI
10th Oct 2025462 PMAQI
10th Oct 2025443 PMAQI
10th Oct 2025454 PMAQI
10th Oct 2025405 PMAQI
10th Oct 2025266 PMAQI
10th Oct 2025377 PMAQI
10th Oct 2025448 PMAQI
10th Oct 2025469 PMAQI
10th Oct 20255210 PMAQI
10th Oct 20254611 PMAQI
11th Oct 20254012 AMAQI
11th Oct 2025471 AMAQI
11th Oct 2025502 AMAQI
11th Oct 2025513 AMAQI
11th Oct 2025554 AMAQI
11th Oct 2025525 AMAQI
11th Oct 2025526 AMAQI
16°C9/22°C
11th Oct 2025547 AMAQI
11th Oct 2025568 AMAQI
11th Oct 2025589 AMAQI
11th Oct 20255610 AMAQI
11th Oct 20255211 AMAQI
11th Oct 20254212 PMAQI
11th Oct 2025551 PMAQI
11th Oct 2025542 PMAQI
11th Oct 2025533 PMAQI
11th Oct 2025404 PMAQI
11th Oct 2025425 PMAQI
11th Oct 2025396 PMAQI
11th Oct 2025387 PMAQI
11th Oct 2025408 PMAQI
11th Oct 2025509 PMAQI
11th Oct 20254410 PMAQI
11th Oct 20255111 PMAQI
12th Oct 20254812 AMAQI
12th Oct 2025281 AMAQI
12th Oct 2025402 AMAQI
12th Oct 2025383 AMAQI
12th Oct 2025324 AMAQI
12th Oct 2025315 AMAQI
12th Oct 2025226 AMAQI
18°C13/25°C
12th Oct 2025367 AMAQI
12th Oct 2025308 AMAQI
12th Oct 2025309 AMAQI
12th Oct 20252310 AMAQI
12th Oct 20251711 AMAQI
12th Oct 20252212 PMAQI
12th Oct 2025331 PMAQI
12th Oct 2025462 PMAQI
12th Oct 2025513 PMAQI
12th Oct 2025514 PMAQI
12th Oct 2025515 PMAQI
12th Oct 2025486 PMAQI
12th Oct 2025507 PMAQI
12th Oct 2025488 PMAQI
12th Oct 2025589 PMAQI
12th Oct 20256210 PMAQI
12th Oct 20255911 PMAQI
13th Oct 20255312 AMAQI
13th Oct 2025461 AMAQI
13th Oct 2025382 AMAQI
13th Oct 2025503 AMAQI
13th Oct 2025494 AMAQI
13th Oct 2025415 AMAQI
13th Oct 2025416 AMAQI
18°C11/25°C
13th Oct 2025417 AMAQI
13th Oct 2025478 AMAQI
13th Oct 2025709 AMAQI
13th Oct 20259510 AMAQI
13th Oct 202510311 AMAQI
13th Oct 20258412 PMAQI
13th Oct 2025531 PMAQI
13th Oct 2025522 PMAQI
13th Oct 2025553 PMAQI
13th Oct 2025594 PMAQI
13th Oct 2025595 PMAQI
13th Oct 2025616 PMAQI
13th Oct 2025597 PMAQI
13th Oct 2025598 PMAQI
13th Oct 2025659 PMAQI
13th Oct 20256310 PMAQI
13th Oct 20256411 PMAQI
14th Oct 20256612 AMAQI
14th Oct 2025601 AMAQI
14th Oct 2025592 AMAQI
14th Oct 2025593 AMAQI
14th Oct 2025594 AMAQI
14th Oct 2025575 AMAQI
14th Oct 2025586 AMAQI
20°C16/27°C
14th Oct 2025597 AMAQI
14th Oct 2025648 AMAQI
14th Oct 2025659 AMAQI
14th Oct 20256510 AMAQI
14th Oct 20256511 AMAQI
14th Oct 20256812 PMAQI
14th Oct 2025711 PMAQI
14th Oct 2025692 PMAQI
14th Oct 2025683 PMAQI
14th Oct 2025644 PMAQI
14th Oct 2025595 PMAQI
14th Oct 2025616 PMAQI
14th Oct 2025637 PMAQI
14th Oct 2025648 PMAQI
14th Oct 2025709 PMAQI
14th Oct 20257210 PMAQI
14th Oct 20257211 PMAQI
15th Oct 20256012 AMAQI
15th Oct 2025601 AMAQI
15th Oct 2025502 AMAQI
15th Oct 2025523 AMAQI
15th Oct 2025604 AMAQI
15th Oct 2025595 AMAQI
15th Oct 2025576 AMAQI
21°C15/28°C
15th Oct 2025597 AMAQI
15th Oct 2025568 AMAQI
15th Oct 2025559 AMAQI
15th Oct 20255510 AMAQI
15th Oct 20255311 AMAQI
15th Oct 20254612 PMAQI
15th Oct 2025521 PMAQI
15th Oct 2025502 PMAQI
15th Oct 2025543 PMAQI
15th Oct 2025564 PMAQI
15th Oct 2025555 PMAQI
15th Oct 2025536 PMAQI
15th Oct 2025507 PMAQI
15th Oct 2025528 PMAQI
15th Oct 2025499 PMAQI
15th Oct 20255010 PMAQI
15th Oct 20254511 PMAQI
16th Oct 20254412 AMAQI
16th Oct 2025521 AMAQI
16th Oct 2025552 AMAQI
16th Oct 2025663 AMAQI
16th Oct 2025764 AMAQI
16th Oct 2025665 AMAQI
16th Oct 2025576 AMAQI
20°C15/28°C
16th Oct 2025477 AMAQI
16th Oct 2025438 AMAQI
16th Oct 2025409 AMAQI
16th Oct 20254010 AMAQI
16th Oct 20254311 AMAQI
16th Oct 20254412 PMAQI
16th Oct 2025481 PMAQI
16th Oct 2025522 PMAQI
16th Oct 2025563 PMAQI
16th Oct 2025564 PMAQI
16th Oct 2025565 PMAQI
16th Oct 2025586 PMAQI
16th Oct 2025597 PMAQI
16th Oct 2025578 PMAQI
16th Oct 2025619 PMAQI
16th Oct 20256010 PMAQI
16th Oct 20255711 PMAQI
17th Oct 20255712 AMAQI
17th Oct 2025521 AMAQI
17th Oct 2025492 AMAQI
17th Oct 2025543 AMAQI
17th Oct 2025544 AMAQI
17th Oct 2025555 AMAQI
17th Oct 2025526 AMAQI
19°C15/26°C
17th Oct 2025487 AMAQI
17th Oct 2025448 AMAQI
17th Oct 2025409 AMAQI
17th Oct 20254210 AMAQI
17th Oct 20253811 AMAQI
17th Oct 20254212 PMAQI
17th Oct 2025421 PMAQI
17th Oct 2025452 PMAQI
17th Oct 2025473 PMAQI
17th Oct 2025544 PMAQI
17th Oct 2025545 PMAQI
17th Oct 2025556 PMAQI
17th Oct 2025567 PMAQI
17th Oct 2025548 PMAQI
17th Oct 2025569 PMAQI
17th Oct 20255410 PMAQI
17th Oct 20255411 PMAQI
18th Oct 20255012 AMAQI
18th Oct 2025501 AMAQI
18th Oct 2025532 AMAQI
18th Oct 2025553 AMAQI
18th Oct 2025554 AMAQI
18th Oct 2025635 AMAQI
18th Oct 2025726 AMAQI
21°C15/28°C
18th Oct 2025797 AMAQI
18th Oct 2025878 AMAQI
18th Oct 2025839 AMAQI
18th Oct 20258210 AMAQI
18th Oct 20258011 AMAQI
18th Oct 20258012 PMAQI
18th Oct 2025721 PMAQI
18th Oct 2025672 PMAQI
18th Oct 2025643 PMAQI
18th Oct 2025624 PMAQI
18th Oct 2025635 PMAQI
18th Oct 2025626 PMAQI
18th Oct 2025607 PMAQI
18th Oct 2025548 PMAQI
18th Oct 2025429 PMAQI
18th Oct 20254810 PMAQI
18th Oct 20254111 PMAQI
19th Oct 20253212 AMAQI
19th Oct 2025201 AMAQI
19th Oct 2025222 AMAQI
19th Oct 2025163 AMAQI
19th Oct 2025164 AMAQI
19th Oct 2025335 AMAQI
19th Oct 2025406 AMAQI
21°C16/29°C
19th Oct 2025177 AMAQI
19th Oct 2025218 AMAQI
19th Oct 2025169 AMAQI
19th Oct 20252010 AMAQI
19th Oct 20252411 AMAQI
19th Oct 20252512 PMAQI
19th Oct 2025221 PMAQI
19th Oct 2025202 PMAQI
19th Oct 2025243 PMAQI
19th Oct 2025184 PMAQI
19th Oct 2025195 PMAQI
19th Oct 2025246 PMAQI
19th Oct 2025217 PMAQI
19th Oct 2025168 PMAQI
19th Oct 2025289 PMAQI
19th Oct 20251910 PMAQI
19th Oct 20251811 PMAQI
20th Oct 20252212 AMAQI
20th Oct 2025241 AMAQI
20th Oct 2025232 AMAQI
20th Oct 2025183 AMAQI
20th Oct 2025224 AMAQI
20th Oct 2025245 AMAQI
20th Oct 2025226 AMAQI
14°C10/19°C
20th Oct 2025247 AMAQI
20th Oct 2025238 AMAQI
20th Oct 2025229 AMAQI
20th Oct 20252210 AMAQI
20th Oct 20252011 AMAQI
20th Oct 20251912 PMAQI
20th Oct 2025181 PMAQI
20th Oct 2025222 PMAQI
20th Oct 2025373 PMAQI
20th Oct 2025494 PMAQI
20th Oct 2025555 PMAQI
20th Oct 2025476 PMAQI
20th Oct 2025327 PMAQI
20th Oct 2025228 PMAQI
20th Oct 2025299 PMAQI
20th Oct 20255510 PMAQI
20th Oct 20254511 PMAQI
21st Oct 20253112 AMAQI
21st Oct 2025331 AMAQI
21st Oct 2025402 AMAQI
21st Oct 2025463 AMAQI
21st Oct 2025454 AMAQI
21st Oct 2025455 AMAQI
21st Oct 2025296 AMAQI
15°C6/24°C
21st Oct 2025207 AMAQI
21st Oct 2025278 AMAQI
21st Oct 2025419 AMAQI
21st Oct 20254210 AMAQI
21st Oct 20253911 AMAQI
21st Oct 20253912 PMAQI
21st Oct 2025381 PMAQI
21st Oct 2025382 PMAQI
21st Oct 2025413 PMAQI
21st Oct 2025364 PMAQI
21st Oct 2025445 PMAQI
21st Oct 2025506 PMAQI
21st Oct 2025397 PMAQI
21st Oct 2025298 PMAQI
21st Oct 2025249 PMAQI
21st Oct 20252510 PMAQI
21st Oct 20252211 PMAQI
22nd Oct 20252212 AMAQI
22nd Oct 2025211 AMAQI
22nd Oct 2025182 AMAQI
22nd Oct 2025173 AMAQI
22nd Oct 2025174 AMAQI
22nd Oct 2025175 AMAQI
22nd Oct 2025176 AMAQI
11°C8/14°C
22nd Oct 2025177 AMAQI
7 AM22nd Oct 2025168 AMAQI
22nd Oct 2025129 AMAQI
22nd Oct 20251710 AMAQI
22nd Oct 20251711 AMAQI
22nd Oct 20251712 PMAQI
12 PM22nd Oct 2025171 PMAQI
22nd Oct 2025182 PMAQI
22nd Oct 2025203 PMAQI
22nd Oct 2025174 PMAQI
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
2 PM - 3 PM
46AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 1 PM
44AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 3 PM (Avg. 46), while the lowest AQI was between 7 AM to 1 PM (Avg. 44).
Night time
Avg. Highest Time
9 PM - 11 PM
47AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 47), while the lowest AQI was between 6 AM to 6 AM (Avg. 42).
2025 Days Vs Air Quality
Peoria, Illinois, United States
2025
68%
142
32%
66
0.4%
1
Total number of days with different AQI categories in last 295 days in 2025 (70 days remaining)
Good
142 DaysModerate
66 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 295 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Peoria, 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
2nd January 2025
3rd January 2025
4th January 2025
5th January 2025
6th January 2025
7th January 2025
8th January 2025
9th January 2025
10th January 2025
11th January 2025
12th January 2025
13th January 2025
14th January 2025
15th January 2025
16th January 2025
17th January 2025
18th January 2025
19th January 2025
20th January 2025
21st January 2025
22nd January 2025
23rd January 2025
24th January 2025
25th January 2025
26th January 2025
27th January 2025
28th January 2025
29th January 2025
30th January 2025
31st January 2025
1st February 2025
2nd February 2025
3rd February 2025
4th February 2025
5th February 2025
6th February 2025
7th February 2025
8th February 2025
9th February 2025
10th February 2025
11th February 2025
12th February 2025
13th February 2025
14th February 2025
15th February 2025
16th February 2025
17th February 2025
18th February 2025
19th February 2025
20th February 2025
21st February 2025
22nd February 2025
23rd February 2025
24th February 2025
25th February 2025
26th February 2025
27th February 2025
28th February 2025
1st March 2025
2nd March 2025
3rd March 2025
4th March 2025
5th March 2025
6th March 2025
7th March 2025
8th March 2025
9th March 2025
10th March 2025
11th March 2025
12th March 2025
13th March 2025
14th March 2025
15th March 2025
16th March 2025
17th March 2025
18th March 2025
19th March 2025
20th March 2025
21st March 2025
22nd March 2025
23rd March 2025
24th March 2025
25th March 2025
26th March 2025
27th March 2025
39AQI
39AQI
28th March 2025
40AQI
40AQI
29th March 2025
39AQI
39AQI
30th March 2025
28AQI
28AQI
31st March 2025
18AQI
18AQI
1st April 2025
34AQI
34AQI
2nd April 2025
36AQI
36AQI
3rd April 2025
26AQI
26AQI
4th April 2025
37AQI
37AQI
5th April 2025
28AQI
28AQI
6th April 2025
23AQI
23AQI
7th April 2025
32AQI
32AQI
8th April 2025
23AQI
23AQI
9th April 2025
30AQI
30AQI
10th April 2025
49AQI
49AQI
11th April 2025
47AQI
47AQI
12th April 2025
45AQI
45AQI
13th April 2025
40AQI
40AQI
14th April 2025
35AQI
35AQI
15th April 2025
24AQI
24AQI
16th April 2025
30AQI
30AQI
17th April 2025
42AQI
42AQI
18th April 2025
58AQI
58AQI
19th April 2025
50AQI
50AQI
20th April 2025
40AQI
40AQI
21st April 2025
19AQI
19AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
25AQI
25AQI
24th April 2025
38AQI
38AQI
25th April 2025
50AQI
50AQI
26th April 2025
21AQI
21AQI
27th April 2025
21AQI
21AQI
28th April 2025
37AQI
37AQI
29th April 2025
33AQI
33AQI
30th April 2025
33AQI
33AQI
1st May 2025
26AQI
26AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
24AQI
24AQI
4th May 2025
18AQI
18AQI
5th May 2025
22AQI
22AQI
6th May 2025
34AQI
34AQI
7th May 2025
34AQI
34AQI
8th May 2025
26AQI
26AQI
9th May 2025
25AQI
25AQI
10th May 2025
43AQI
43AQI
11th May 2025
28AQI
28AQI
12th May 2025
34AQI
34AQI
13th May 2025
30AQI
30AQI
14th May 2025
35AQI
35AQI
15th May 2025
54AQI
54AQI
16th May 2025
34AQI
34AQI
17th May 2025
28AQI
28AQI
18th May 2025
24AQI
24AQI
19th May 2025
24AQI
24AQI
20th May 2025
26AQI
26AQI
21st May 2025
17AQI
17AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
20AQI
20AQI
24th May 2025
22AQI
22AQI
25th May 2025
20AQI
20AQI
26th May 2025
21AQI
21AQI
27th May 2025
22AQI
22AQI
28th May 2025
31AQI
31AQI
29th May 2025
41AQI
41AQI
30th May 2025
35AQI
35AQI
31st May 2025
47AQI
47AQI
1st June 2025
41AQI
41AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
57AQI
57AQI
4th June 2025
38AQI
38AQI
5th June 2025
62AQI
62AQI
6th June 2025
65AQI
65AQI
7th June 2025
71AQI
71AQI
8th June 2025
66AQI
66AQI
9th June 2025
67AQI
67AQI
10th June 2025
58AQI
58AQI
11th June 2025
71AQI
71AQI
12th June 2025
80AQI
80AQI
13th June 2025
75AQI
75AQI
14th June 2025
69AQI
69AQI
15th June 2025
57AQI
57AQI
16th June 2025
52AQI
52AQI
17th June 2025
44AQI
44AQI
18th June 2025
33AQI
33AQI
19th June 2025
29AQI
29AQI
20th June 2025
38AQI
38AQI
21st June 2025
50AQI
50AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
56AQI
56AQI
24th June 2025
52AQI
52AQI
25th June 2025
38AQI
38AQI
26th June 2025
51AQI
51AQI
27th June 2025
30AQI
30AQI
28th June 2025
29AQI
29AQI
29th June 2025
36AQI
36AQI
30th June 2025
29AQI
29AQI
1st July 2025
33AQI
33AQI
2nd July 2025
51AQI
51AQI
3rd July 2025
53AQI
53AQI
4th July 2025
54AQI
54AQI
5th July 2025
65AQI
65AQI
6th July 2025
48AQI
48AQI
7th July 2025
48AQI
48AQI
8th July 2025
65AQI
65AQI
9th July 2025
43AQI
43AQI
10th July 2025
47AQI
47AQI
11th July 2025
47AQI
47AQI
12th July 2025
32AQI
32AQI
13th July 2025
52AQI
52AQI
14th July 2025
59AQI
59AQI
15th July 2025
57AQI
57AQI
16th July 2025
43AQI
43AQI
17th July 2025
31AQI
31AQI
18th July 2025
27AQI
27AQI
19th July 2025
36AQI
36AQI
20th July 2025
31AQI
31AQI
21st July 2025
48AQI
48AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
58AQI
58AQI
24th July 2025
55AQI
55AQI
25th July 2025
32AQI
32AQI
26th July 2025
30AQI
30AQI
27th July 2025
37AQI
37AQI
28th July 2025
34AQI
34AQI
29th July 2025
39AQI
39AQI
30th July 2025
39AQI
39AQI
31st July 2025
72AQI
72AQI
1st August 2025
110AQI
110AQI
2nd August 2025
84AQI
84AQI
3rd August 2025
62AQI
62AQI
4th August 2025
55AQI
55AQI
5th August 2025
58AQI
58AQI
6th August 2025
61AQI
61AQI
7th August 2025
54AQI
54AQI
8th August 2025
54AQI
54AQI
9th August 2025
57AQI
57AQI
10th August 2025
50AQI
50AQI
11th August 2025
53AQI
53AQI
12th August 2025
46AQI
46AQI
13th August 2025
49AQI
49AQI
14th August 2025
58AQI
58AQI
15th August 2025
60AQI
60AQI
16th August 2025
56AQI
56AQI
17th August 2025
52AQI
52AQI
18th August 2025
50AQI
50AQI
19th August 2025
33AQI
33AQI
20th August 2025
23AQI
23AQI
21st August 2025
20AQI
20AQI
22nd August 2025
31AQI
31AQI
23rd August 2025
35AQI
35AQI
24th August 2025
24AQI
24AQI
25th August 2025
22AQI
22AQI
26th August 2025
27AQI
27AQI
27th August 2025
37AQI
37AQI
28th August 2025
37AQI
37AQI
29th August 2025
34AQI
34AQI
30th August 2025
29AQI
29AQI
31st August 2025
32AQI
32AQI
1st September 2025
31AQI
31AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
50AQI
50AQI
4th September 2025
61AQI
61AQI
5th September 2025
46AQI
46AQI
6th September 2025
23AQI
23AQI
7th September 2025
27AQI
27AQI
8th September 2025
28AQI
28AQI
9th September 2025
30AQI
30AQI
10th September 2025
46AQI
46AQI
11th September 2025
52AQI
52AQI
12th September 2025
55AQI
55AQI
13th September 2025
59AQI
59AQI
14th September 2025
60AQI
60AQI
15th September 2025
56AQI
56AQI
16th September 2025
55AQI
55AQI
17th September 2025
54AQI
54AQI
18th September 2025
55AQI
55AQI
19th September 2025
53AQI
53AQI
20th September 2025
54AQI
54AQI
21st September 2025
45AQI
45AQI
22nd September 2025
35AQI
35AQI
23rd September 2025
38AQI
38AQI
24th September 2025
35AQI
35AQI
25th September 2025
28AQI
28AQI
26th September 2025
40AQI
40AQI
27th September 2025
47AQI
47AQI
28th September 2025
51AQI
51AQI
29th September 2025
43AQI
43AQI
30th September 2025
32AQI
32AQI
1st October 2025
52AQI
52AQI
2nd October 2025
55AQI
55AQI
3rd October 2025
61AQI
61AQI
4th October 2025
64AQI
64AQI
5th October 2025
56AQI
56AQI
6th October 2025
45AQI
45AQI
7th October 2025
24AQI
24AQI
8th October 2025
31AQI
31AQI
9th October 2025
47AQI
47AQI
10th October 2025
42AQI
42AQI
11th October 2025
48AQI
48AQI
12th October 2025
40AQI
40AQI
13th October 2025
58AQI
58AQI
14th October 2025
64AQI
64AQI
15th October 2025
53AQI
53AQI
16th October 2025
55AQI
55AQI
17th October 2025
51AQI
51AQI
18th October 2025
61AQI
61AQI
19th October 2025
22AQI
22AQI
20th October 2025
29AQI
29AQI
21st October 2025
36AQI
36AQI
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
33AQI
35AQI
29AQI
52AQI
46AQI
47AQI
44AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
5
29
1
30
1
13
17
20
11
17
13
1
18
12
10
11
142
66
1
Highest AQI recorded in
June52AQI
Lowest AQI recorded in
May29AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
42AQILeast Polluted Year Recorded
2025(Avg.)
42AQIPeoria's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
