Normal, 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
Normal, Illinois, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
116AQILowest AQI recorded on
13th Aug 2023
23AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 58 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Normal, Illinois, United States
AQI
Day
Night
.
5 AM6th Aug 2025
8 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
9AM6th Aug
70AQI
Avg. Lowest Time
6PM6th Aug
42AQI
Night time
Avg. Highest Time
12AM7th Aug
52AQI
Avg. Lowest Time
3AM7th Aug
34AQI
In the last 24 hours,
Normal's AQI reached its highest point of 70 at 9 AM during the Day, while the lowest point, 34, was recorded at 3 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Normal, Illinois, United States
JulAug
08th - 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 - 06th06th - 07th07th
Day
Night
8th Jul 2025705 AMAQI
8th Jul 2025676 AMAQI
8th Jul 2025687 AMAQI
8th Jul 2025688 AMAQI
8th Jul 2025679 AMAQI
8th Jul 20257010 AMAQI
8th Jul 20256911 AMAQI
8th Jul 20256712 PMAQI
8th Jul 2025671 PMAQI
8th Jul 2025672 PMAQI
8th Jul 2025673 PMAQI
8th Jul 2025684 PMAQI
8th Jul 2025675 PMAQI
8th Jul 2025646 PMAQI
8th Jul 2025667 PMAQI
8th Jul 2025658 PMAQI
8th Jul 2025609 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255711 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025521 AMAQI
9th Jul 2025342 AMAQI
9th Jul 2025293 AMAQI
9th Jul 2025294 AMAQI
24°C16/32°C
9th Jul 2025295 AMAQI
9th Jul 2025356 AMAQI
9th Jul 2025517 AMAQI
9th Jul 2025348 AMAQI
9th Jul 2025329 AMAQI
9th Jul 20253810 AMAQI
9th Jul 20254211 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025462 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025455 PMAQI
9th Jul 2025466 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025428 PMAQI
9th Jul 2025429 PMAQI
9th Jul 20254210 PMAQI
9th Jul 20254211 PMAQI
10th Jul 20254112 AMAQI
10th Jul 2025381 AMAQI
10th Jul 2025332 AMAQI
10th Jul 2025333 AMAQI
10th Jul 2025394 AMAQI
25°C20/31°C
10th Jul 2025455 AMAQI
10th Jul 2025496 AMAQI
10th Jul 2025497 AMAQI
10th Jul 2025488 AMAQI
10th Jul 2025439 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025361 PMAQI
10th Jul 2025362 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025374 PMAQI
10th Jul 2025395 PMAQI
10th Jul 2025396 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025389 PMAQI
10th Jul 20253810 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254012 AMAQI
11th Jul 2025401 AMAQI
11th Jul 2025342 AMAQI
11th Jul 2025353 AMAQI
11th Jul 2025364 AMAQI
25°C18/33°C
11th Jul 2025355 AMAQI
11th Jul 2025366 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025408 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20254311 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025435 PMAQI
11th Jul 2025436 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025429 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20254311 PMAQI
12th Jul 20254212 AMAQI
12th Jul 2025381 AMAQI
12th Jul 2025302 AMAQI
12th Jul 2025263 AMAQI
12th Jul 2025264 AMAQI
27°C21/33°C
12th Jul 2025245 AMAQI
12th Jul 2025266 AMAQI
12th Jul 2025327 AMAQI
12th Jul 2025308 AMAQI
12th Jul 2025339 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253512 PMAQI
12th Jul 2025311 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025343 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025395 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025327 PMAQI
12th Jul 2025328 PMAQI
12th Jul 2025349 PMAQI
12th Jul 20253410 PMAQI
12th Jul 20253411 PMAQI
13th Jul 20253812 AMAQI
13th Jul 2025351 AMAQI
13th Jul 2025302 AMAQI
13th Jul 2025333 AMAQI
13th Jul 2025434 AMAQI
25°C21/28°C
13th Jul 2025565 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025569 AMAQI
13th Jul 20255810 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025561 PMAQI
13th Jul 2025582 PMAQI
13th Jul 2025573 PMAQI
13th Jul 2025574 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025434 AMAQI
23°C19/27°C
14th Jul 2025385 AMAQI
14th Jul 2025386 AMAQI
14th Jul 2025477 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025529 AMAQI
14th Jul 20255410 AMAQI
14th Jul 20255511 AMAQI
14th Jul 20255612 PMAQI
14th Jul 2025551 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025543 PMAQI
14th Jul 2025554 PMAQI
14th Jul 2025545 PMAQI
14th Jul 2025546 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025472 AMAQI
15th Jul 2025503 AMAQI
15th Jul 2025524 AMAQI
24°C19/29°C
15th Jul 2025515 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025569 AMAQI
15th Jul 20255710 AMAQI
15th Jul 20255611 AMAQI
15th Jul 20255312 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025472 PMAQI
15th Jul 2025523 PMAQI
15th Jul 2025514 PMAQI
15th Jul 2025505 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025517 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025421 AMAQI
16th Jul 2025282 AMAQI
16th Jul 2025283 AMAQI
16th Jul 2025264 AMAQI
24°C19/30°C
16th Jul 2025245 AMAQI
16th Jul 2025266 AMAQI
16th Jul 2025297 AMAQI
16th Jul 2025298 AMAQI
16th Jul 2025309 AMAQI
16th Jul 20253110 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20253312 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025373 PMAQI
16th Jul 2025374 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253010 PMAQI
16th Jul 20253011 PMAQI
17th Jul 20252912 AMAQI
17th Jul 2025281 AMAQI
17th Jul 2025222 AMAQI
17th Jul 2025223 AMAQI
17th Jul 2025224 AMAQI
27°C21/34°C
17th Jul 2025235 AMAQI
17th Jul 2025226 AMAQI
17th Jul 2025247 AMAQI
17th Jul 2025248 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252311 AMAQI
17th Jul 20252312 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025254 PMAQI
17th Jul 2025245 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025259 PMAQI
17th Jul 20252410 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252512 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025282 AMAQI
18th Jul 2025263 AMAQI
18th Jul 2025214 AMAQI
24°C19/28°C
18th Jul 2025185 AMAQI
18th Jul 2025186 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025253 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025237 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025239 PMAQI
18th Jul 20252410 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252512 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025272 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025264 AMAQI
23°C18/28°C
19th Jul 2025275 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025348 AMAQI
19th Jul 2025369 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253611 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252610 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025252 AMAQI
20th Jul 2025263 AMAQI
20th Jul 2025284 AMAQI
25°C20/29°C
20th Jul 2025305 AMAQI
20th Jul 2025326 AMAQI
20th Jul 2025357 AMAQI
20th Jul 2025328 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025513 AMAQI
21st Jul 2025534 AMAQI
24°C22/29°C
21st Jul 2025515 AMAQI
21st Jul 2025456 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253710 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20253912 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025401 AMAQI
22nd Jul 2025342 AMAQI
22nd Jul 2025403 AMAQI
22nd Jul 2025464 AMAQI
23°C21/26°C
22nd Jul 2025545 AMAQI
22nd Jul 2025556 AMAQI
22nd Jul 2025547 AMAQI
22nd Jul 2025548 AMAQI
22nd Jul 2025559 AMAQI
22nd Jul 20255510 AMAQI
22nd Jul 20255511 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025521 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025534 PMAQI
22nd Jul 2025525 PMAQI
22nd Jul 2025526 PMAQI
22nd Jul 2025537 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255411 PMAQI
23rd Jul 20255412 AMAQI
23rd Jul 2025551 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025593 AMAQI
23rd Jul 2025604 AMAQI
25°C19/32°C
23rd Jul 2025585 AMAQI
23rd Jul 2025586 AMAQI
23rd Jul 2025587 AMAQI
23rd Jul 2025598 AMAQI
23rd Jul 2025589 AMAQI
23rd Jul 20255810 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20255712 PMAQI
23rd Jul 2025571 PMAQI
23rd Jul 2025572 PMAQI
23rd Jul 2025583 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025586 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025588 PMAQI
23rd Jul 2025589 PMAQI
23rd Jul 20255710 PMAQI
23rd Jul 20255611 PMAQI
24th Jul 20255612 AMAQI
24th Jul 2025541 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025503 AMAQI
24th Jul 2025504 AMAQI
27°C23/33°C
24th Jul 2025505 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025538 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025522 PMAQI
24th Jul 2025523 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025547 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025304 AMAQI
28°C23/35°C
25th Jul 2025285 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025298 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252711 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025281 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025318 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025212 AMAQI
26th Jul 2025203 AMAQI
26th Jul 2025234 AMAQI
25°C22/30°C
26th Jul 2025245 AMAQI
26th Jul 2025246 AMAQI
26th Jul 2025277 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20252910 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253312 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025362 PMAQI
26th Jul 2025343 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025261 AMAQI
27th Jul 2025222 AMAQI
27th Jul 2025233 AMAQI
27th Jul 2025224 AMAQI
27°C22/34°C
27th Jul 2025195 AMAQI
27th Jul 2025206 AMAQI
27th Jul 2025197 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025199 AMAQI
27th Jul 20251910 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025211 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025303 AMAQI
28th Jul 2025284 AMAQI
27°C23/32°C
28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20252312 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025274 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025277 PMAQI
28th Jul 2025268 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025262 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025254 AMAQI
28°C24/34°C
29th Jul 2025265 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025278 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252710 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20253012 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025312 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025314 PMAQI
29th Jul 2025325 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025323 AMAQI
30th Jul 2025324 AMAQI
27°C19/34°C
30th Jul 2025325 AMAQI
30th Jul 2025336 AMAQI
30th Jul 2025337 AMAQI
30th Jul 2025338 AMAQI
30th Jul 2025349 AMAQI
30th Jul 20253510 AMAQI
30th Jul 20253411 AMAQI
30th Jul 20253612 PMAQI
30th Jul 2025341 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 2025319 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025321 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025303 AMAQI
31st Jul 2025464 AMAQI
26°C22/34°C
31st Jul 2025495 AMAQI
31st Jul 2025396 AMAQI
31st Jul 2025507 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025669 AMAQI
31st Jul 20256910 AMAQI
31st Jul 20257011 AMAQI
31st Jul 20257212 PMAQI
31st Jul 2025711 PMAQI
31st Jul 2025742 PMAQI
31st Jul 2025663 PMAQI
31st Jul 2025604 PMAQI
31st Jul 2025665 PMAQI
31st Jul 2025646 PMAQI
31st Jul 2025587 PMAQI
31st Jul 2025708 PMAQI
31st Jul 2025809 PMAQI
31st Jul 202510410 PMAQI
31st Jul 202511711 PMAQI
1st Aug 202512412 AMAQI
1st Aug 20251171 AMAQI
1st Aug 20251322 AMAQI
1st Aug 20251083 AMAQI
1st Aug 20251214 AMAQI
22°C16/27°C
1st Aug 20251175 AMAQI
1st Aug 20251296 AMAQI
1st Aug 20251227 AMAQI
1st Aug 20251258 AMAQI
1st Aug 20251289 AMAQI
1st Aug 202511910 AMAQI
1st Aug 202510811 AMAQI
1st Aug 202511512 PMAQI
1st Aug 20251131 PMAQI
1st Aug 20251112 PMAQI
1st Aug 20251093 PMAQI
1st Aug 20251064 PMAQI
1st Aug 20251035 PMAQI
1st Aug 20251066 PMAQI
1st Aug 20251257 PMAQI
1st Aug 20251138 PMAQI
1st Aug 20251029 PMAQI
1st Aug 202511810 PMAQI
1st Aug 202510411 PMAQI
2nd Aug 202510812 AMAQI
2nd Aug 20251041 AMAQI
2nd Aug 20251032 AMAQI
2nd Aug 20251003 AMAQI
2nd Aug 2025974 AMAQI
19°C11/27°C
2nd Aug 2025955 AMAQI
2nd Aug 20251016 AMAQI
2nd Aug 2025997 AMAQI
2nd Aug 20251028 AMAQI
2nd Aug 20251009 AMAQI
2nd Aug 20259710 AMAQI
2nd Aug 20259611 AMAQI
2nd Aug 20258912 PMAQI
2nd Aug 2025801 PMAQI
2nd Aug 2025702 PMAQI
2nd Aug 2025693 PMAQI
2nd Aug 2025664 PMAQI
2nd Aug 2025655 PMAQI
2nd Aug 2025706 PMAQI
2nd Aug 2025917 PMAQI
2nd Aug 2025838 PMAQI
2nd Aug 2025699 PMAQI
2nd Aug 20256610 PMAQI
2nd Aug 20256311 PMAQI
3rd Aug 20256612 AMAQI
3rd Aug 2025661 AMAQI
3rd Aug 2025662 AMAQI
3rd Aug 2025663 AMAQI
3rd Aug 2025694 AMAQI
18°C12/27°C
3rd Aug 2025665 AMAQI
3rd Aug 2025666 AMAQI
3rd Aug 2025657 AMAQI
3rd Aug 2025648 AMAQI
3rd Aug 2025659 AMAQI
3rd Aug 20256510 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025601 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025614 PMAQI
3rd Aug 2025605 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025469 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20254311 PMAQI
4th Aug 20254912 AMAQI
4th Aug 2025521 AMAQI
4th Aug 2025522 AMAQI
4th Aug 2025523 AMAQI
4th Aug 2025524 AMAQI
19°C11/27°C
4th Aug 2025575 AMAQI
4th Aug 2025546 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025548 AMAQI
4th Aug 2025579 AMAQI
4th Aug 20255610 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255512 PMAQI
4th Aug 2025531 PMAQI
4th Aug 2025502 PMAQI
4th Aug 2025503 PMAQI
4th Aug 2025514 PMAQI
4th Aug 2025525 PMAQI
4th Aug 2025516 PMAQI
4th Aug 2025527 PMAQI
4th Aug 2025508 PMAQI
4th Aug 2025459 PMAQI
4th Aug 20254210 PMAQI
4th Aug 20254311 PMAQI
5th Aug 20254512 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025482 AMAQI
5th Aug 2025493 AMAQI
5th Aug 2025494 AMAQI
21°C14/27°C
5th Aug 2025525 AMAQI
5th Aug 2025506 AMAQI
5th Aug 2025497 AMAQI
5th Aug 2025518 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20255610 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20255912 PMAQI
5th Aug 2025611 PMAQI
5th Aug 2025582 PMAQI
5th Aug 2025603 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025575 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025527 PMAQI
5th Aug 2025568 PMAQI
5th Aug 2025619 PMAQI
5th Aug 20255910 PMAQI
5th Aug 20256211 PMAQI
6th Aug 20256612 AMAQI
6th Aug 2025631 AMAQI
6th Aug 2025592 AMAQI
6th Aug 2025603 AMAQI
6th Aug 2025604 AMAQI
23°C17/29°C
6th Aug 2025595 AMAQI
6th Aug 2025606 AMAQI
6th Aug 2025657 AMAQI
6th Aug 2025668 AMAQI
6th Aug 2025709 AMAQI
6th Aug 20256610 AMAQI
6th Aug 20256311 AMAQI
6th Aug 20255912 PMAQI
6th Aug 2025551 PMAQI
6th Aug 2025502 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025454 PMAQI
6th Aug 2025455 PMAQI
6th Aug 2025426 PMAQI
6th Aug 2025577 PMAQI
6th Aug 2025508 PMAQI
6th Aug 2025439 PMAQI
6th Aug 20254310 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025491 AMAQI
7th Aug 2025362 AMAQI
7th Aug 2025343 AMAQI
7th Aug 2025364 AMAQI
23°C15/31°C
7th Aug 2025365 AMAQI
5 AM7th Aug 2025376 AMAQI
7th Aug 2025407 AMAQI
7th Aug 2025428 AMAQI
7th Aug 2025459 AMAQI
7th Aug 20254710 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20254912 PMAQI
12 PM7th Aug 2025501 PMAQI
7th Aug 2025502 PMAQI
7th Aug 2025493 PMAQI
7th Aug 2025504 PMAQI
7th Aug 2025485 PMAQI
7th Aug 2025506 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
46AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
46AQI
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. 46), while the lowest AQI was between 5 AM to 8 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 1 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 11 PM
44AQI
6 hours / Day
180 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 11 PM (Avg. 44).
2025 Days Vs Air Quality
Normal, Illinois, United States
2025
84%
184
15%
33
0.4%
1
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
184 DaysModerate
33 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 219 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
Normal, 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
23AQI
23AQI
2nd January 2025
24AQI
24AQI
3rd January 2025
26AQI
26AQI
4th January 2025
20AQI
20AQI
5th January 2025
21AQI
21AQI
6th January 2025
20AQI
20AQI
7th January 2025
23AQI
23AQI
8th January 2025
29AQI
29AQI
9th January 2025
46AQI
46AQI
10th January 2025
59AQI
59AQI
11th January 2025
33AQI
33AQI
12th January 2025
33AQI
33AQI
13th January 2025
21AQI
21AQI
14th January 2025
27AQI
27AQI
15th January 2025
36AQI
36AQI
16th January 2025
33AQI
33AQI
17th January 2025
27AQI
27AQI
18th January 2025
21AQI
21AQI
19th January 2025
20AQI
20AQI
20th January 2025
20AQI
20AQI
21st January 2025
20AQI
20AQI
22nd January 2025
23AQI
23AQI
23rd January 2025
29AQI
29AQI
24th January 2025
30AQI
30AQI
25th January 2025
27AQI
27AQI
26th January 2025
20AQI
20AQI
27th January 2025
22AQI
22AQI
28th January 2025
24AQI
24AQI
29th January 2025
21AQI
21AQI
30th January 2025
29AQI
29AQI
31st January 2025
27AQI
27AQI
1st February 2025
21AQI
21AQI
2nd February 2025
34AQI
34AQI
3rd February 2025
35AQI
35AQI
4th February 2025
21AQI
21AQI
5th February 2025
30AQI
30AQI
6th February 2025
27AQI
27AQI
7th February 2025
21AQI
21AQI
8th February 2025
29AQI
29AQI
9th February 2025
31AQI
31AQI
10th February 2025
24AQI
24AQI
11th February 2025
35AQI
35AQI
12th February 2025
50AQI
50AQI
13th February 2025
32AQI
32AQI
14th February 2025
29AQI
29AQI
15th February 2025
39AQI
39AQI
16th February 2025
31AQI
31AQI
17th February 2025
22AQI
22AQI
18th February 2025
22AQI
22AQI
19th February 2025
22AQI
22AQI
20th February 2025
22AQI
22AQI
21st February 2025
25AQI
25AQI
22nd February 2025
43AQI
43AQI
23rd February 2025
47AQI
47AQI
24th February 2025
33AQI
33AQI
25th February 2025
31AQI
31AQI
26th February 2025
27AQI
27AQI
27th February 2025
33AQI
33AQI
28th February 2025
27AQI
27AQI
1st March 2025
26AQI
26AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
32AQI
32AQI
4th March 2025
38AQI
38AQI
5th March 2025
26AQI
26AQI
6th March 2025
27AQI
27AQI
7th March 2025
26AQI
26AQI
8th March 2025
32AQI
32AQI
9th March 2025
29AQI
29AQI
10th March 2025
35AQI
35AQI
11th March 2025
33AQI
33AQI
12th March 2025
32AQI
32AQI
13th March 2025
53AQI
53AQI
14th March 2025
48AQI
48AQI
15th March 2025
77AQI
77AQI
16th March 2025
21AQI
21AQI
17th March 2025
25AQI
25AQI
18th March 2025
25AQI
25AQI
19th March 2025
27AQI
27AQI
20th March 2025
17AQI
17AQI
21st March 2025
22AQI
22AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
21AQI
21AQI
24th March 2025
20AQI
20AQI
25th March 2025
20AQI
20AQI
26th March 2025
22AQI
22AQI
27th March 2025
31AQI
31AQI
28th March 2025
37AQI
37AQI
29th March 2025
40AQI
40AQI
30th March 2025
27AQI
27AQI
31st March 2025
17AQI
17AQI
1st April 2025
27AQI
27AQI
2nd April 2025
30AQI
30AQI
3rd April 2025
24AQI
24AQI
4th April 2025
37AQI
37AQI
5th April 2025
25AQI
25AQI
6th April 2025
21AQI
21AQI
7th April 2025
26AQI
26AQI
8th April 2025
19AQI
19AQI
9th April 2025
24AQI
24AQI
10th April 2025
42AQI
42AQI
11th April 2025
43AQI
43AQI
12th April 2025
41AQI
41AQI
13th April 2025
35AQI
35AQI
14th April 2025
31AQI
31AQI
15th April 2025
21AQI
21AQI
16th April 2025
24AQI
24AQI
17th April 2025
38AQI
38AQI
18th April 2025
53AQI
53AQI
19th April 2025
49AQI
49AQI
20th April 2025
41AQI
41AQI
21st April 2025
19AQI
19AQI
22nd April 2025
26AQI
26AQI
23rd April 2025
25AQI
25AQI
24th April 2025
31AQI
31AQI
25th April 2025
47AQI
47AQI
26th April 2025
22AQI
22AQI
27th April 2025
20AQI
20AQI
28th April 2025
33AQI
33AQI
29th April 2025
31AQI
31AQI
30th April 2025
23AQI
23AQI
1st May 2025
25AQI
25AQI
2nd May 2025
21AQI
21AQI
3rd May 2025
23AQI
23AQI
4th May 2025
19AQI
19AQI
5th May 2025
25AQI
25AQI
6th May 2025
32AQI
32AQI
7th May 2025
25AQI
25AQI
8th May 2025
27AQI
27AQI
9th May 2025
25AQI
25AQI
10th May 2025
32AQI
32AQI
11th May 2025
26AQI
26AQI
12th May 2025
30AQI
30AQI
13th May 2025
25AQI
25AQI
14th May 2025
27AQI
27AQI
15th May 2025
48AQI
48AQI
16th May 2025
33AQI
33AQI
17th May 2025
22AQI
22AQI
18th May 2025
19AQI
19AQI
19th May 2025
20AQI
20AQI
20th May 2025
25AQI
25AQI
21st May 2025
16AQI
16AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
21AQI
21AQI
24th May 2025
20AQI
20AQI
25th May 2025
20AQI
20AQI
26th May 2025
21AQI
21AQI
27th May 2025
22AQI
22AQI
28th May 2025
27AQI
27AQI
29th May 2025
37AQI
37AQI
30th May 2025
33AQI
33AQI
31st May 2025
46AQI
46AQI
1st June 2025
36AQI
36AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
57AQI
57AQI
4th June 2025
37AQI
37AQI
5th June 2025
56AQI
56AQI
6th June 2025
64AQI
64AQI
7th June 2025
70AQI
70AQI
8th June 2025
63AQI
63AQI
9th June 2025
63AQI
63AQI
10th June 2025
56AQI
56AQI
11th June 2025
66AQI
66AQI
12th June 2025
79AQI
79AQI
13th June 2025
72AQI
72AQI
14th June 2025
62AQI
62AQI
15th June 2025
52AQI
52AQI
16th June 2025
47AQI
47AQI
17th June 2025
31AQI
31AQI
18th June 2025
31AQI
31AQI
19th June 2025
25AQI
25AQI
20th June 2025
32AQI
32AQI
21st June 2025
37AQI
37AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
56AQI
56AQI
24th June 2025
51AQI
51AQI
25th June 2025
37AQI
37AQI
26th June 2025
44AQI
44AQI
27th June 2025
33AQI
33AQI
28th June 2025
23AQI
23AQI
29th June 2025
33AQI
33AQI
30th June 2025
27AQI
27AQI
1st July 2025
29AQI
29AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
49AQI
49AQI
4th July 2025
54AQI
54AQI
5th July 2025
72AQI
72AQI
6th July 2025
55AQI
55AQI
7th July 2025
51AQI
51AQI
8th July 2025
66AQI
66AQI
9th July 2025
41AQI
41AQI
10th July 2025
39AQI
39AQI
11th July 2025
40AQI
40AQI
12th July 2025
32AQI
32AQI
13th July 2025
50AQI
50AQI
14th July 2025
51AQI
51AQI
15th July 2025
51AQI
51AQI
16th July 2025
32AQI
32AQI
17th July 2025
24AQI
24AQI
18th July 2025
23AQI
23AQI
19th July 2025
28AQI
28AQI
20th July 2025
26AQI
26AQI
21st July 2025
39AQI
39AQI
22nd July 2025
50AQI
50AQI
23rd July 2025
58AQI
58AQI
24th July 2025
52AQI
52AQI
25th July 2025
33AQI
33AQI
26th July 2025
29AQI
29AQI
27th July 2025
24AQI
24AQI
28th July 2025
27AQI
27AQI
29th July 2025
29AQI
29AQI
30th July 2025
32AQI
32AQI
31st July 2025
61AQI
61AQI
1st August 2025
116AQI
116AQI
2nd August 2025
87AQI
87AQI
3rd August 2025
60AQI
60AQI
4th August 2025
51AQI
51AQI
5th August 2025
54AQI
54AQI
6th August 2025
58AQI
58AQI
27AQI
30AQI
30AQI
31AQI
26AQI
48AQI
42AQI
71AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
30
1
28
29
2
29
1
31
16
14
21
10
5
1
184
33
1
Highest AQI recorded in
August71AQI
Lowest AQI recorded in
May26AQI
202433AQI
31
24
5
29
2
30
31
28
1
30
1
28
3
30
29
2
30
30
1
350
15
Highest AQI recorded in
July37AQI
Lowest AQI recorded in
January28AQI
202342AQI
21
10
27
1
29
2
26
4
27
4
5
22
1
1
1
21
9
1
16
15
27
3
30
1
29
30
1
288
72
1
2
1
Highest AQI recorded in
June78AQI
Lowest AQI recorded in
December28AQI
202239AQI
25
6
17
4
26
5
16
1
28
3
24
6
19
3
2
27
2
28
3
22
8
20
11
254
52
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
September34AQI
202139AQI
22
8
23
5
25
6
26
4
30
1
29
1
16
14
1
22
8
1
25
5
29
2
23
5
23
8
293
67
2
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
October32AQI
202039AQI
11
2
18
2
18
25
5
25
6
28
3
26
3
28
2
25
3
19
10
223
36
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
May35AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2024(Avg.)
33AQINormal's annual 2025 AQI (34) shows an average percentage change of -10.3% (improved AQI) compared to previous years: 2020 (39), 2021 (39), 2022 (39), 2023 (42), 2024 (33).
