State College, Pennsylvania, 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
State College, Pennsylvania, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
60AQILowest AQI recorded on
8th Aug 2024
16AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
State College, Pennsylvania, United States
AQI
Day
Night
.
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
5PM4th Aug
66AQI
Avg. Lowest Time
7PM4th Aug
61AQI
Night time
Avg. Highest Time
9PM4th Aug
66AQI
Avg. Lowest Time
5AM4th Aug
62AQI
In the last 24 hours,
State College's AQI reached its highest point of 66 at 5 PM during the Day, while the lowest point, 61, was recorded at 7 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
State College, Pennsylvania, United States
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025585 AMAQI
6th Jul 2025596 AMAQI
6th Jul 2025597 AMAQI
6th Jul 2025598 AMAQI
6th Jul 2025599 AMAQI
6th Jul 20255810 AMAQI
6th Jul 20255811 AMAQI
6th Jul 20255812 PMAQI
6th Jul 2025571 PMAQI
6th Jul 2025572 PMAQI
6th Jul 2025583 PMAQI
6th Jul 2025584 PMAQI
6th Jul 2025575 PMAQI
6th Jul 2025576 PMAQI
6th Jul 2025587 PMAQI
6th Jul 2025588 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20255611 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025501 AMAQI
7th Jul 2025362 AMAQI
7th Jul 2025343 AMAQI
7th Jul 2025354 AMAQI
24°C16/31°C
7th Jul 2025345 AMAQI
7th Jul 2025356 AMAQI
7th Jul 2025397 AMAQI
7th Jul 2025388 AMAQI
7th Jul 2025389 AMAQI
7th Jul 20253810 AMAQI
7th Jul 20253811 AMAQI
7th Jul 20254012 PMAQI
7th Jul 2025431 PMAQI
7th Jul 2025462 PMAQI
7th Jul 2025513 PMAQI
7th Jul 2025514 PMAQI
7th Jul 2025525 PMAQI
7th Jul 2025526 PMAQI
7th Jul 2025467 PMAQI
7th Jul 2025448 PMAQI
7th Jul 2025449 PMAQI
7th Jul 20254310 PMAQI
7th Jul 20254111 PMAQI
8th Jul 20254012 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025312 AMAQI
8th Jul 2025313 AMAQI
8th Jul 2025284 AMAQI
24°C19/32°C
8th Jul 2025305 AMAQI
8th Jul 2025326 AMAQI
8th Jul 2025337 AMAQI
8th Jul 2025338 AMAQI
8th Jul 2025349 AMAQI
8th Jul 20253410 AMAQI
8th Jul 20253711 AMAQI
8th Jul 20253812 PMAQI
8th Jul 2025391 PMAQI
8th Jul 2025362 PMAQI
8th Jul 2025353 PMAQI
8th Jul 2025334 PMAQI
8th Jul 2025325 PMAQI
8th Jul 2025316 PMAQI
8th Jul 2025327 PMAQI
8th Jul 2025348 PMAQI
8th Jul 2025329 PMAQI
8th Jul 20253210 PMAQI
8th Jul 20253511 PMAQI
9th Jul 20253312 AMAQI
9th Jul 2025351 AMAQI
9th Jul 2025302 AMAQI
9th Jul 2025323 AMAQI
9th Jul 2025344 AMAQI
24°C18/31°C
9th Jul 2025345 AMAQI
9th Jul 2025336 AMAQI
9th Jul 2025357 AMAQI
9th Jul 2025348 AMAQI
9th Jul 2025359 AMAQI
9th Jul 20253810 AMAQI
9th Jul 20253811 AMAQI
9th Jul 20254212 PMAQI
9th Jul 2025451 PMAQI
9th Jul 2025482 PMAQI
9th Jul 2025513 PMAQI
9th Jul 2025514 PMAQI
9th Jul 2025505 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025408 PMAQI
9th Jul 2025449 PMAQI
9th Jul 20254610 PMAQI
9th Jul 20254911 PMAQI
10th Jul 20254812 AMAQI
10th Jul 2025481 AMAQI
10th Jul 2025522 AMAQI
10th Jul 2025533 AMAQI
10th Jul 2025534 AMAQI
23°C17/27°C
10th Jul 2025515 AMAQI
10th Jul 2025516 AMAQI
10th Jul 2025527 AMAQI
10th Jul 2025528 AMAQI
10th Jul 2025529 AMAQI
10th Jul 20255310 AMAQI
10th Jul 20255311 AMAQI
10th Jul 20255412 PMAQI
10th Jul 2025531 PMAQI
10th Jul 2025542 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025529 PMAQI
10th Jul 20255210 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20255212 AMAQI
11th Jul 2025511 AMAQI
11th Jul 2025522 AMAQI
11th Jul 2025503 AMAQI
11th Jul 2025504 AMAQI
24°C16/29°C
11th Jul 2025505 AMAQI
11th Jul 2025516 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025528 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255210 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20255212 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025532 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025499 PMAQI
11th Jul 20254910 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20254912 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025422 AMAQI
12th Jul 2025463 AMAQI
12th Jul 2025444 AMAQI
24°C17/29°C
12th Jul 2025435 AMAQI
12th Jul 2025426 AMAQI
12th Jul 2025427 AMAQI
12th Jul 2025418 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20254310 AMAQI
12th Jul 20254611 AMAQI
12th Jul 20254512 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025493 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025459 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20254611 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025461 AMAQI
13th Jul 2025442 AMAQI
13th Jul 2025363 AMAQI
13th Jul 2025334 AMAQI
25°C19/30°C
13th Jul 2025325 AMAQI
13th Jul 2025346 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025358 AMAQI
13th Jul 2025359 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025391 PMAQI
13th Jul 2025392 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025397 PMAQI
13th Jul 2025408 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20253710 PMAQI
13th Jul 20253711 PMAQI
14th Jul 20253612 AMAQI
14th Jul 2025351 AMAQI
14th Jul 2025282 AMAQI
14th Jul 2025283 AMAQI
14th Jul 2025284 AMAQI
24°C20/29°C
14th Jul 2025285 AMAQI
14th Jul 2025286 AMAQI
14th Jul 2025287 AMAQI
14th Jul 2025288 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20252910 AMAQI
14th Jul 20253311 AMAQI
14th Jul 20253512 PMAQI
14th Jul 2025341 PMAQI
14th Jul 2025332 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025334 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025329 PMAQI
14th Jul 20253210 PMAQI
14th Jul 20253311 PMAQI
15th Jul 20253212 AMAQI
15th Jul 2025321 AMAQI
15th Jul 2025342 AMAQI
15th Jul 2025413 AMAQI
15th Jul 2025374 AMAQI
23°C19/27°C
15th Jul 2025305 AMAQI
15th Jul 2025276 AMAQI
15th Jul 2025307 AMAQI
15th Jul 2025318 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20253210 AMAQI
15th Jul 20253511 AMAQI
15th Jul 20253412 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025395 PMAQI
15th Jul 2025396 PMAQI
15th Jul 2025377 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253710 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025381 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025403 AMAQI
16th Jul 2025404 AMAQI
24°C19/29°C
16th Jul 2025385 AMAQI
16th Jul 2025366 AMAQI
16th Jul 2025417 AMAQI
16th Jul 2025408 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20253910 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20253712 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025413 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025386 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025398 PMAQI
16th Jul 2025339 PMAQI
16th Jul 20253310 PMAQI
16th Jul 20253311 PMAQI
17th Jul 20253412 AMAQI
17th Jul 2025301 AMAQI
17th Jul 2025202 AMAQI
17th Jul 2025203 AMAQI
17th Jul 2025214 AMAQI
24°C18/30°C
17th Jul 2025225 AMAQI
17th Jul 2025226 AMAQI
17th Jul 2025267 AMAQI
17th Jul 2025308 AMAQI
17th Jul 2025339 AMAQI
17th Jul 20253710 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025311 PMAQI
17th Jul 2025272 PMAQI
17th Jul 2025273 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025245 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025258 PMAQI
17th Jul 2025249 PMAQI
17th Jul 20252410 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252512 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025222 AMAQI
18th Jul 2025233 AMAQI
18th Jul 2025234 AMAQI
25°C21/31°C
18th Jul 2025225 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025228 AMAQI
18th Jul 2025209 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025201 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025214 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025228 PMAQI
18th Jul 2025229 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252311 PMAQI
19th Jul 20252312 AMAQI
19th Jul 2025231 AMAQI
19th Jul 2025232 AMAQI
19th Jul 2025233 AMAQI
19th Jul 2025244 AMAQI
21°C18/24°C
19th Jul 2025255 AMAQI
19th Jul 2025246 AMAQI
19th Jul 2025247 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025239 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025294 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025316 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025301 AMAQI
20th Jul 2025302 AMAQI
20th Jul 2025303 AMAQI
20th Jul 2025304 AMAQI
22°C17/29°C
20th Jul 2025315 AMAQI
20th Jul 2025316 AMAQI
20th Jul 2025307 AMAQI
20th Jul 2025328 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253311 AMAQI
20th Jul 20253312 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025313 PMAQI
20th Jul 2025314 PMAQI
20th Jul 2025315 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025299 PMAQI
20th Jul 20252910 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025291 AMAQI
21st Jul 2025292 AMAQI
21st Jul 2025283 AMAQI
21st Jul 2025294 AMAQI
24°C20/29°C
21st Jul 2025295 AMAQI
21st Jul 2025306 AMAQI
21st Jul 2025327 AMAQI
21st Jul 2025358 AMAQI
21st Jul 2025419 AMAQI
21st Jul 20255010 AMAQI
21st Jul 20255211 AMAQI
21st Jul 20255312 PMAQI
21st Jul 2025571 PMAQI
21st Jul 2025532 PMAQI
21st Jul 2025533 PMAQI
21st Jul 2025534 PMAQI
21st Jul 2025545 PMAQI
21st Jul 2025566 PMAQI
21st Jul 2025447 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254410 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025452 AMAQI
22nd Jul 2025413 AMAQI
22nd Jul 2025364 AMAQI
22°C17/26°C
22nd Jul 2025335 AMAQI
22nd Jul 2025336 AMAQI
22nd Jul 2025357 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253110 AMAQI
22nd Jul 20253111 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025392 PMAQI
22nd Jul 2025393 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025416 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20254010 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20253912 AMAQI
23rd Jul 2025371 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025364 AMAQI
20°C14/25°C
23rd Jul 2025365 AMAQI
23rd Jul 2025376 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025409 AMAQI
23rd Jul 20254310 AMAQI
23rd Jul 20254911 AMAQI
23rd Jul 20255112 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025438 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20255110 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20255212 AMAQI
24th Jul 2025521 AMAQI
24th Jul 2025562 AMAQI
24th Jul 2025553 AMAQI
24th Jul 2025564 AMAQI
22°C18/26°C
24th Jul 2025555 AMAQI
24th Jul 2025566 AMAQI
24th Jul 2025567 AMAQI
24th Jul 2025558 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025553 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025555 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025557 PMAQI
24th Jul 2025558 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025524 AMAQI
25°C20/31°C
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025514 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025516 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025538 PMAQI
25th Jul 2025509 PMAQI
25th Jul 20254810 PMAQI
25th Jul 20254711 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025451 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025363 AMAQI
26th Jul 2025384 AMAQI
26°C21/34°C
26th Jul 2025405 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025409 AMAQI
26th Jul 20254210 AMAQI
26th Jul 20253911 AMAQI
26th Jul 20253912 PMAQI
26th Jul 2025391 PMAQI
26th Jul 2025392 PMAQI
26th Jul 2025403 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025397 PMAQI
26th Jul 2025398 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20253810 PMAQI
26th Jul 20253711 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025303 AMAQI
27th Jul 2025294 AMAQI
23°C19/26°C
27th Jul 2025305 AMAQI
27th Jul 2025296 AMAQI
27th Jul 2025297 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252912 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025316 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025292 AMAQI
28th Jul 2025303 AMAQI
28th Jul 2025324 AMAQI
24°C19/31°C
28th Jul 2025315 AMAQI
28th Jul 2025306 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20253711 AMAQI
28th Jul 20253812 PMAQI
28th Jul 2025381 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025383 PMAQI
28th Jul 2025414 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025357 PMAQI
28th Jul 2025358 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253910 PMAQI
28th Jul 20254111 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025502 AMAQI
29th Jul 2025513 AMAQI
29th Jul 2025504 AMAQI
25°C19/32°C
29th Jul 2025505 AMAQI
29th Jul 2025496 AMAQI
29th Jul 2025507 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20255111 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025491 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025495 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025498 PMAQI
29th Jul 2025479 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20254711 PMAQI
30th Jul 20254812 AMAQI
30th Jul 2025471 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025484 AMAQI
26°C20/33°C
30th Jul 2025505 AMAQI
30th Jul 2025486 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025498 AMAQI
30th Jul 2025509 AMAQI
30th Jul 20255210 AMAQI
30th Jul 20255111 AMAQI
30th Jul 20255112 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025489 PMAQI
30th Jul 20255010 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025441 AMAQI
31st Jul 2025382 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025404 AMAQI
27°C19/34°C
31st Jul 2025425 AMAQI
31st Jul 2025446 AMAQI
31st Jul 2025507 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025539 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20256212 PMAQI
31st Jul 2025661 PMAQI
31st Jul 2025682 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025555 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025528 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255911 PMAQI
1st Aug 20256212 AMAQI
1st Aug 2025611 AMAQI
1st Aug 2025622 AMAQI
1st Aug 2025653 AMAQI
1st Aug 2025664 AMAQI
20°C15/23°C
1st Aug 2025625 AMAQI
1st Aug 2025636 AMAQI
1st Aug 2025617 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20255910 AMAQI
1st Aug 20255911 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025496 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025498 PMAQI
1st Aug 2025409 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20253611 PMAQI
2nd Aug 20253612 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025322 AMAQI
2nd Aug 2025333 AMAQI
2nd Aug 2025324 AMAQI
19°C14/26°C
2nd Aug 2025325 AMAQI
2nd Aug 2025296 AMAQI
2nd Aug 2025287 AMAQI
2nd Aug 2025278 AMAQI
2nd Aug 2025269 AMAQI
2nd Aug 20252210 AMAQI
2nd Aug 20252311 AMAQI
2nd Aug 20252212 PMAQI
2nd Aug 2025221 PMAQI
2nd Aug 2025252 PMAQI
2nd Aug 2025223 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025236 PMAQI
2nd Aug 2025267 PMAQI
2nd Aug 2025268 PMAQI
2nd Aug 2025289 PMAQI
2nd Aug 20253010 PMAQI
2nd Aug 20253011 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025381 AMAQI
3rd Aug 2025362 AMAQI
3rd Aug 2025363 AMAQI
3rd Aug 2025374 AMAQI
18°C9/24°C
3rd Aug 2025405 AMAQI
3rd Aug 2025336 AMAQI
3rd Aug 2025347 AMAQI
3rd Aug 2025328 AMAQI
3rd Aug 2025359 AMAQI
3rd Aug 20254510 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025611 PMAQI
3rd Aug 2025612 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025624 PMAQI
3rd Aug 2025625 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025347 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025531 AMAQI
4th Aug 2025492 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025644 AMAQI
19°C8/27°C
4th Aug 2025625 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025617 AMAQI
4th Aug 2025618 AMAQI
4th Aug 2025619 AMAQI
4th Aug 20256110 AMAQI
4th Aug 20256111 AMAQI
4th Aug 20256312 PMAQI
4th Aug 2025621 PMAQI
4th Aug 2025652 PMAQI
4th Aug 2025653 PMAQI
4th Aug 2025654 PMAQI
4th Aug 2025665 PMAQI
4th Aug 2025656 PMAQI
4th Aug 2025617 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025669 PMAQI
4th Aug 20256610 PMAQI
4th Aug 20256611 PMAQI
5th Aug 20256412 AMAQI
5th Aug 2025631 AMAQI
5th Aug 2025662 AMAQI
5th Aug 2025663 AMAQI
5th Aug 2025664 AMAQI
20°C10/29°C
5th Aug 2025665 AMAQI
5 AM5th Aug 2025676 AMAQI
5th Aug 2025657 AMAQI
5th Aug 2025668 AMAQI
5th Aug 2025649 AMAQI
5th Aug 20256610 AMAQI
5th Aug 20256711 AMAQI
5th Aug 20256912 PMAQI
12 PM5th Aug 2025681 PMAQI
5th Aug 2025712 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
43AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
43AQI
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. 43), while the lowest AQI was between 5 AM to 8 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM
41AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
41AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).
2025 Days Vs Air Quality
State College, Pennsylvania, United States
2025
87%
187
13%
29
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
187 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
State College, Pennsylvania, 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
25AQI
25AQI
2nd January 2025
21AQI
21AQI
3rd January 2025
27AQI
27AQI
4th January 2025
26AQI
26AQI
5th January 2025
27AQI
27AQI
6th January 2025
29AQI
29AQI
7th January 2025
25AQI
25AQI
8th January 2025
29AQI
29AQI
9th January 2025
32AQI
32AQI
10th January 2025
32AQI
32AQI
11th January 2025
39AQI
39AQI
12th January 2025
53AQI
53AQI
13th January 2025
42AQI
42AQI
14th January 2025
28AQI
28AQI
15th January 2025
28AQI
28AQI
16th January 2025
38AQI
38AQI
17th January 2025
45AQI
45AQI
18th January 2025
51AQI
51AQI
19th January 2025
30AQI
30AQI
20th January 2025
27AQI
27AQI
21st January 2025
34AQI
34AQI
22nd January 2025
42AQI
42AQI
23rd January 2025
48AQI
48AQI
24th January 2025
38AQI
38AQI
25th January 2025
42AQI
42AQI
26th January 2025
30AQI
30AQI
27th January 2025
30AQI
30AQI
28th January 2025
30AQI
30AQI
29th January 2025
29AQI
29AQI
30th January 2025
33AQI
33AQI
31st January 2025
41AQI
41AQI
1st February 2025
27AQI
27AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
39AQI
39AQI
4th February 2025
32AQI
32AQI
5th February 2025
26AQI
26AQI
6th February 2025
26AQI
26AQI
7th February 2025
26AQI
26AQI
8th February 2025
33AQI
33AQI
9th February 2025
27AQI
27AQI
10th February 2025
30AQI
30AQI
11th February 2025
50AQI
50AQI
12th February 2025
56AQI
56AQI
13th February 2025
25AQI
25AQI
14th February 2025
30AQI
30AQI
15th February 2025
32AQI
32AQI
16th February 2025
23AQI
23AQI
17th February 2025
31AQI
31AQI
18th February 2025
28AQI
28AQI
19th February 2025
26AQI
26AQI
20th February 2025
25AQI
25AQI
21st February 2025
27AQI
27AQI
22nd February 2025
40AQI
40AQI
23rd February 2025
39AQI
39AQI
24th February 2025
41AQI
41AQI
25th February 2025
32AQI
32AQI
26th February 2025
47AQI
47AQI
27th February 2025
39AQI
39AQI
28th February 2025
29AQI
29AQI
1st March 2025
30AQI
30AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
31AQI
31AQI
4th March 2025
41AQI
41AQI
5th March 2025
28AQI
28AQI
6th March 2025
24AQI
24AQI
7th March 2025
31AQI
31AQI
8th March 2025
30AQI
30AQI
9th March 2025
30AQI
30AQI
10th March 2025
30AQI
30AQI
11th March 2025
34AQI
34AQI
12th March 2025
34AQI
34AQI
13th March 2025
36AQI
36AQI
14th March 2025
61AQI
61AQI
15th March 2025
58AQI
58AQI
16th March 2025
32AQI
32AQI
17th March 2025
18AQI
18AQI
18th March 2025
21AQI
21AQI
19th March 2025
26AQI
26AQI
20th March 2025
24AQI
24AQI
21st March 2025
16AQI
16AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
21AQI
21AQI
24th March 2025
22AQI
22AQI
25th March 2025
24AQI
24AQI
26th March 2025
20AQI
20AQI
27th March 2025
20AQI
20AQI
28th March 2025
33AQI
33AQI
29th March 2025
60AQI
60AQI
30th March 2025
53AQI
53AQI
31st March 2025
23AQI
23AQI
1st April 2025
19AQI
19AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
22AQI
22AQI
4th April 2025
21AQI
21AQI
5th April 2025
28AQI
28AQI
6th April 2025
22AQI
22AQI
7th April 2025
21AQI
21AQI
8th April 2025
13AQI
13AQI
9th April 2025
19AQI
19AQI
10th April 2025
27AQI
27AQI
11th April 2025
34AQI
34AQI
12th April 2025
17AQI
17AQI
13th April 2025
20AQI
20AQI
14th April 2025
27AQI
27AQI
15th April 2025
24AQI
24AQI
16th April 2025
16AQI
16AQI
17th April 2025
21AQI
21AQI
18th April 2025
33AQI
33AQI
19th April 2025
51AQI
51AQI
20th April 2025
21AQI
21AQI
21st April 2025
29AQI
29AQI
22nd April 2025
22AQI
22AQI
23rd April 2025
23AQI
23AQI
24th April 2025
33AQI
33AQI
25th April 2025
54AQI
54AQI
26th April 2025
21AQI
21AQI
27th April 2025
14AQI
14AQI
28th April 2025
17AQI
17AQI
29th April 2025
28AQI
28AQI
30th April 2025
19AQI
19AQI
1st May 2025
29AQI
29AQI
2nd May 2025
26AQI
26AQI
3rd May 2025
24AQI
24AQI
4th May 2025
20AQI
20AQI
5th May 2025
21AQI
21AQI
6th May 2025
17AQI
17AQI
7th May 2025
18AQI
18AQI
8th May 2025
24AQI
24AQI
9th May 2025
19AQI
19AQI
10th May 2025
20AQI
20AQI
11th May 2025
28AQI
28AQI
12th May 2025
27AQI
27AQI
13th May 2025
21AQI
21AQI
14th May 2025
17AQI
17AQI
15th May 2025
23AQI
23AQI
16th May 2025
41AQI
41AQI
17th May 2025
30AQI
30AQI
18th May 2025
18AQI
18AQI
19th May 2025
19AQI
19AQI
20th May 2025
18AQI
18AQI
21st May 2025
18AQI
18AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
12AQI
12AQI
24th May 2025
11AQI
11AQI
25th May 2025
16AQI
16AQI
26th May 2025
20AQI
20AQI
27th May 2025
23AQI
23AQI
28th May 2025
14AQI
14AQI
29th May 2025
19AQI
19AQI
30th May 2025
27AQI
27AQI
31st May 2025
30AQI
30AQI
1st June 2025
18AQI
18AQI
2nd June 2025
19AQI
19AQI
3rd June 2025
33AQI
33AQI
4th June 2025
54AQI
54AQI
5th June 2025
66AQI
66AQI
6th June 2025
54AQI
54AQI
7th June 2025
49AQI
49AQI
8th June 2025
60AQI
60AQI
9th June 2025
42AQI
42AQI
10th June 2025
44AQI
44AQI
11th June 2025
57AQI
57AQI
12th June 2025
63AQI
63AQI
13th June 2025
69AQI
69AQI
14th June 2025
64AQI
64AQI
15th June 2025
33AQI
33AQI
16th June 2025
20AQI
20AQI
17th June 2025
20AQI
20AQI
18th June 2025
20AQI
20AQI
19th June 2025
21AQI
21AQI
20th June 2025
29AQI
29AQI
21st June 2025
38AQI
38AQI
22nd June 2025
42AQI
42AQI
23rd June 2025
54AQI
54AQI
24th June 2025
54AQI
54AQI
25th June 2025
50AQI
50AQI
26th June 2025
36AQI
36AQI
27th June 2025
33AQI
33AQI
28th June 2025
25AQI
25AQI
29th June 2025
34AQI
34AQI
30th June 2025
37AQI
37AQI
1st July 2025
31AQI
31AQI
2nd July 2025
32AQI
32AQI
3rd July 2025
43AQI
43AQI
4th July 2025
56AQI
56AQI
5th July 2025
59AQI
59AQI
6th July 2025
58AQI
58AQI
7th July 2025
42AQI
42AQI
8th July 2025
33AQI
33AQI
9th July 2025
40AQI
40AQI
10th July 2025
52AQI
52AQI
11th July 2025
51AQI
51AQI
12th July 2025
45AQI
45AQI
13th July 2025
39AQI
39AQI
14th July 2025
32AQI
32AQI
15th July 2025
35AQI
35AQI
16th July 2025
38AQI
38AQI
17th July 2025
26AQI
26AQI
18th July 2025
22AQI
22AQI
19th July 2025
26AQI
26AQI
20th July 2025
31AQI
31AQI
21st July 2025
41AQI
41AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
44AQI
44AQI
24th July 2025
55AQI
55AQI
25th July 2025
52AQI
52AQI
26th July 2025
39AQI
39AQI
27th July 2025
31AQI
31AQI
28th July 2025
35AQI
35AQI
29th July 2025
49AQI
49AQI
30th July 2025
50AQI
50AQI
31st July 2025
51AQI
51AQI
1st August 2025
56AQI
56AQI
2nd August 2025
28AQI
28AQI
3rd August 2025
47AQI
47AQI
4th August 2025
60AQI
60AQI
34AQI
33AQI
31AQI
25AQI
21AQI
41AQI
41AQI
48AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202533AQI
29
2
27
1
27
4
28
2
31
20
10
23
8
2
2
187
29
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
May21AQI
202432AQI
29
2
27
2
31
30
31
28
1
30
1
26
5
29
1
31
30
28
3
350
15
Highest AQI recorded in
February37AQI
Lowest AQI recorded in
November27AQI
202339AQI
28
3
23
5
31
25
5
26
5
12
11
3
3
23
8
28
3
30
31
27
2
23
8
307
50
3
3
Highest AQI recorded in
June71AQI
Lowest AQI recorded in
October26AQI
202238AQI
26
3
18
3
25
5
21
3
4
27
3
26
1
18
3
1
27
2
29
2
27
3
24
7
269
32
7
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
September30AQI
202135AQI
22
5
20
2
13
3
23
1
30
1
28
2
19
10
1
26
5
28
2
31
29
1
25
6
294
38
1
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
October30AQI
202032AQI
13
20
18
29
29
2
30
1
29
1
31
26
2
24
7
249
13
Highest AQI recorded in
December37AQI
Lowest AQI recorded in
October27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
32AQIState College's annual 2025 AQI (33) shows an average percentage change of -7.1% (improved AQI) compared to previous years: 2020 (32), 2021 (35), 2022 (38), 2023 (39), 2024 (32).
