Hummelstown, 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
Hummelstown, Pennsylvania, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
61AQILowest AQI recorded on
2nd Aug 2025
33AQISame Day Analysis (4th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 61 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
Hummelstown, Pennsylvania, United States
AQI
Day
Night
.
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
3PM4th Aug
72AQI
Avg. Lowest Time
6AM4th Aug
57AQI
Night time
Avg. Highest Time
11PM4th Aug
85AQI
Avg. Lowest Time
5AM4th Aug
56AQI
In the last 24 hours,
Hummelstown's AQI reached its highest point of 85 at 11 PM during the Night, while the lowest point, 56, was recorded at 5 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hummelstown, 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 2025605 AMAQI
6th Jul 2025626 AMAQI
6th Jul 2025627 AMAQI
6th Jul 2025618 AMAQI
6th Jul 2025619 AMAQI
6th Jul 20256110 AMAQI
6th Jul 20256011 AMAQI
6th Jul 20255912 PMAQI
6th Jul 2025581 PMAQI
6th Jul 2025582 PMAQI
6th Jul 2025583 PMAQI
6th Jul 2025574 PMAQI
6th Jul 2025565 PMAQI
6th Jul 2025556 PMAQI
6th Jul 2025597 PMAQI
6th Jul 2025598 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025481 AMAQI
7th Jul 2025312 AMAQI
7th Jul 2025283 AMAQI
7th Jul 2025284 AMAQI
25°C16/33°C
7th Jul 2025285 AMAQI
7th Jul 2025296 AMAQI
7th Jul 2025327 AMAQI
7th Jul 2025328 AMAQI
7th Jul 2025359 AMAQI
7th Jul 20253410 AMAQI
7th Jul 20253411 AMAQI
7th Jul 20253612 PMAQI
7th Jul 2025361 PMAQI
7th Jul 2025362 PMAQI
7th Jul 2025373 PMAQI
7th Jul 2025364 PMAQI
7th Jul 2025365 PMAQI
7th Jul 2025366 PMAQI
7th Jul 2025367 PMAQI
7th Jul 2025388 PMAQI
7th Jul 2025379 PMAQI
7th Jul 20253610 PMAQI
7th Jul 20253611 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025401 AMAQI
8th Jul 2025442 AMAQI
8th Jul 2025483 AMAQI
8th Jul 2025504 AMAQI
26°C21/32°C
8th Jul 2025525 AMAQI
8th Jul 2025466 AMAQI
8th Jul 2025497 AMAQI
8th Jul 2025508 AMAQI
8th Jul 2025469 AMAQI
8th Jul 20253810 AMAQI
8th Jul 20253811 AMAQI
8th Jul 20253912 PMAQI
8th Jul 2025421 PMAQI
8th Jul 2025442 PMAQI
8th Jul 2025463 PMAQI
8th Jul 2025434 PMAQI
8th Jul 2025405 PMAQI
8th Jul 2025376 PMAQI
8th Jul 2025427 PMAQI
8th Jul 2025418 PMAQI
8th Jul 2025369 PMAQI
8th Jul 20253610 PMAQI
8th Jul 20253611 PMAQI
9th Jul 20253812 AMAQI
9th Jul 2025361 AMAQI
9th Jul 2025312 AMAQI
9th Jul 2025343 AMAQI
9th Jul 2025354 AMAQI
27°C20/35°C
9th Jul 2025405 AMAQI
9th Jul 2025456 AMAQI
9th Jul 2025437 AMAQI
9th Jul 2025418 AMAQI
9th Jul 2025399 AMAQI
9th Jul 20253610 AMAQI
9th Jul 20253611 AMAQI
9th Jul 20253812 PMAQI
9th Jul 2025391 PMAQI
9th Jul 2025422 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025414 PMAQI
9th Jul 2025425 PMAQI
9th Jul 2025426 PMAQI
9th Jul 2025397 PMAQI
9th Jul 2025398 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253610 PMAQI
9th Jul 20253811 PMAQI
10th Jul 20253812 AMAQI
10th Jul 2025381 AMAQI
10th Jul 2025382 AMAQI
10th Jul 2025363 AMAQI
10th Jul 2025384 AMAQI
25°C21/33°C
10th Jul 2025385 AMAQI
10th Jul 2025386 AMAQI
10th Jul 2025417 AMAQI
10th Jul 2025398 AMAQI
10th Jul 2025389 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20254212 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025463 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025465 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025407 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025399 PMAQI
10th Jul 20253910 PMAQI
10th Jul 20253911 PMAQI
11th Jul 20254012 AMAQI
11th Jul 2025421 AMAQI
11th Jul 2025452 AMAQI
11th Jul 2025463 AMAQI
11th Jul 2025484 AMAQI
25°C21/29°C
11th Jul 2025505 AMAQI
11th Jul 2025516 AMAQI
11th Jul 2025497 AMAQI
11th Jul 2025488 AMAQI
11th Jul 2025509 AMAQI
11th Jul 20255110 AMAQI
11th Jul 20254811 AMAQI
11th Jul 20254912 PMAQI
11th Jul 2025471 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025496 PMAQI
11th Jul 2025487 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025479 PMAQI
11th Jul 20254710 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20254712 AMAQI
12th Jul 2025471 AMAQI
12th Jul 2025452 AMAQI
12th Jul 2025443 AMAQI
12th Jul 2025424 AMAQI
25°C20/31°C
12th Jul 2025415 AMAQI
12th Jul 2025386 AMAQI
12th Jul 2025407 AMAQI
12th Jul 2025408 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20253712 PMAQI
12th Jul 2025391 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025418 PMAQI
12th Jul 2025389 PMAQI
12th Jul 20253810 PMAQI
12th Jul 20253811 PMAQI
13th Jul 20253812 AMAQI
13th Jul 2025361 AMAQI
13th Jul 2025292 AMAQI
13th Jul 2025303 AMAQI
13th Jul 2025284 AMAQI
26°C21/33°C
13th Jul 2025295 AMAQI
13th Jul 2025286 AMAQI
13th Jul 2025297 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025319 AMAQI
13th Jul 20253110 AMAQI
13th Jul 20253111 AMAQI
13th Jul 20253012 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025302 PMAQI
13th Jul 2025303 PMAQI
13th Jul 2025304 PMAQI
13th Jul 2025295 PMAQI
13th Jul 2025306 PMAQI
13th Jul 2025327 PMAQI
13th Jul 2025328 PMAQI
13th Jul 2025329 PMAQI
13th Jul 20253010 PMAQI
13th Jul 20253111 PMAQI
14th Jul 20253112 AMAQI
14th Jul 2025321 AMAQI
14th Jul 2025292 AMAQI
14th Jul 2025313 AMAQI
14th Jul 2025304 AMAQI
25°C21/31°C
14th Jul 2025285 AMAQI
14th Jul 2025306 AMAQI
14th Jul 2025317 AMAQI
14th Jul 2025328 AMAQI
14th Jul 2025339 AMAQI
14th Jul 20253310 AMAQI
14th Jul 20253311 AMAQI
14th Jul 20253212 PMAQI
14th Jul 2025331 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025279 PMAQI
14th Jul 20252610 PMAQI
14th Jul 20252811 PMAQI
15th Jul 20252812 AMAQI
15th Jul 2025271 AMAQI
15th Jul 2025262 AMAQI
15th Jul 2025263 AMAQI
15th Jul 2025314 AMAQI
24°C22/27°C
15th Jul 2025325 AMAQI
15th Jul 2025326 AMAQI
15th Jul 2025327 AMAQI
15th Jul 2025318 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20253110 AMAQI
15th Jul 20253011 AMAQI
15th Jul 20252712 PMAQI
15th Jul 2025261 PMAQI
15th Jul 2025282 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025274 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025287 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025329 PMAQI
15th Jul 20253210 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025371 AMAQI
16th Jul 2025392 AMAQI
16th Jul 2025413 AMAQI
16th Jul 2025424 AMAQI
25°C21/32°C
16th Jul 2025425 AMAQI
16th Jul 2025426 AMAQI
16th Jul 2025437 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025439 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20254111 AMAQI
16th Jul 20253812 PMAQI
16th Jul 2025361 PMAQI
16th Jul 2025372 PMAQI
16th Jul 2025383 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025386 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025428 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253710 PMAQI
16th Jul 20253611 PMAQI
17th Jul 20253512 AMAQI
17th Jul 2025301 AMAQI
17th Jul 2025202 AMAQI
17th Jul 2025203 AMAQI
17th Jul 2025194 AMAQI
25°C20/31°C
17th Jul 2025205 AMAQI
17th Jul 2025206 AMAQI
17th Jul 2025227 AMAQI
17th Jul 2025228 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252611 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025322 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025305 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025269 PMAQI
17th Jul 20252610 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252412 AMAQI
18th Jul 2025241 AMAQI
18th Jul 2025212 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025214 AMAQI
27°C22/34°C
18th Jul 2025225 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025247 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025235 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025228 PMAQI
18th Jul 2025229 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252211 PMAQI
19th Jul 20252312 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025262 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025264 AMAQI
24°C21/29°C
19th Jul 2025245 AMAQI
19th Jul 2025226 AMAQI
19th Jul 2025247 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20253110 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025351 AMAQI
20th Jul 2025382 AMAQI
20th Jul 2025413 AMAQI
20th Jul 2025424 AMAQI
22°C19/27°C
20th Jul 2025435 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20253810 AMAQI
20th Jul 20253811 AMAQI
20th Jul 20254112 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025372 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025376 PMAQI
20th Jul 2025407 PMAQI
20th Jul 2025388 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025342 AMAQI
21st Jul 2025313 AMAQI
21st Jul 2025324 AMAQI
26°C22/32°C
21st Jul 2025305 AMAQI
21st Jul 2025306 AMAQI
21st Jul 2025317 AMAQI
21st Jul 2025318 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20253510 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025501 PMAQI
21st Jul 2025502 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025435 PMAQI
21st Jul 2025416 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025622 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025594 AMAQI
24°C18/30°C
22nd Jul 2025555 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025498 AMAQI
22nd Jul 2025449 AMAQI
22nd Jul 20254110 AMAQI
22nd Jul 20254211 AMAQI
22nd Jul 20254212 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025512 PMAQI
22nd Jul 2025533 PMAQI
22nd Jul 2025534 PMAQI
22nd Jul 2025545 PMAQI
22nd Jul 2025556 PMAQI
22nd Jul 2025557 PMAQI
22nd Jul 2025558 PMAQI
22nd Jul 2025569 PMAQI
22nd Jul 20255610 PMAQI
22nd Jul 20255611 PMAQI
23rd Jul 20255612 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025562 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025564 AMAQI
22°C16/27°C
23rd Jul 2025565 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025567 AMAQI
23rd Jul 2025558 AMAQI
23rd Jul 2025549 AMAQI
23rd Jul 20255310 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025578 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255511 PMAQI
24th Jul 20255612 AMAQI
24th Jul 2025491 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025323 AMAQI
24th Jul 2025324 AMAQI
23°C19/28°C
24th Jul 2025325 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254512 PMAQI
24th Jul 2025471 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025475 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20254911 PMAQI
25th Jul 20254912 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025532 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025534 AMAQI
26°C18/33°C
25th Jul 2025525 AMAQI
25th Jul 2025536 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025553 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025517 PMAQI
25th Jul 2025538 PMAQI
25th Jul 2025499 PMAQI
25th Jul 20254510 PMAQI
25th Jul 20254511 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025391 AMAQI
26th Jul 2025282 AMAQI
26th Jul 2025283 AMAQI
26th Jul 2025294 AMAQI
27°C21/37°C
26th Jul 2025335 AMAQI
26th Jul 2025346 AMAQI
26th Jul 2025347 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20253310 AMAQI
26th Jul 20253211 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025341 PMAQI
26th Jul 2025352 PMAQI
26th Jul 2025363 PMAQI
26th Jul 2025374 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025377 PMAQI
26th Jul 2025358 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20254111 PMAQI
27th Jul 20254412 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025782 AMAQI
27th Jul 2025863 AMAQI
27th Jul 2025934 AMAQI
25°C21/29°C
27th Jul 20251015 AMAQI
27th Jul 2025996 AMAQI
27th Jul 2025887 AMAQI
27th Jul 2025868 AMAQI
27th Jul 2025799 AMAQI
27th Jul 20256910 AMAQI
27th Jul 20256411 AMAQI
27th Jul 20256312 PMAQI
27th Jul 2025591 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025603 PMAQI
27th Jul 2025604 PMAQI
27th Jul 2025625 PMAQI
27th Jul 2025626 PMAQI
27th Jul 2025657 PMAQI
27th Jul 2025638 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20256010 PMAQI
27th Jul 20255911 PMAQI
28th Jul 20255912 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025363 AMAQI
28th Jul 2025374 AMAQI
26°C20/32°C
28th Jul 2025395 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025417 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025409 AMAQI
28th Jul 20254010 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025432 PMAQI
28th Jul 2025453 PMAQI
28th Jul 2025464 PMAQI
28th Jul 2025455 PMAQI
28th Jul 2025456 PMAQI
28th Jul 2025427 PMAQI
28th Jul 2025438 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025512 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025524 AMAQI
27°C21/34°C
29th Jul 2025515 AMAQI
29th Jul 2025536 AMAQI
29th Jul 2025527 AMAQI
29th Jul 2025538 AMAQI
29th Jul 2025559 AMAQI
29th Jul 20255510 AMAQI
29th Jul 20255511 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025531 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025535 PMAQI
29th Jul 2025526 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025538 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255311 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025523 AMAQI
30th Jul 2025524 AMAQI
28°C21/36°C
30th Jul 2025515 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025537 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20255410 AMAQI
30th Jul 20255411 AMAQI
30th Jul 20255412 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025542 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025532 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025534 AMAQI
28°C21/35°C
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025589 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025564 PMAQI
31st Jul 2025555 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20254412 AMAQI
1st Aug 2025441 AMAQI
1st Aug 2025372 AMAQI
1st Aug 2025263 AMAQI
1st Aug 2025274 AMAQI
25°C19/31°C
1st Aug 2025295 AMAQI
1st Aug 2025306 AMAQI
1st Aug 2025317 AMAQI
1st Aug 2025328 AMAQI
1st Aug 2025329 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20252811 AMAQI
1st Aug 20253012 PMAQI
1st Aug 2025311 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025354 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025356 PMAQI
1st Aug 2025327 PMAQI
1st Aug 2025348 PMAQI
1st Aug 2025379 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20253911 PMAQI
2nd Aug 20254112 AMAQI
2nd Aug 2025411 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025383 AMAQI
2nd Aug 2025404 AMAQI
20°C17/24°C
2nd Aug 2025415 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025357 AMAQI
2nd Aug 2025318 AMAQI
2nd Aug 2025289 AMAQI
2nd Aug 20252610 AMAQI
2nd Aug 20252711 AMAQI
2nd Aug 20252612 PMAQI
2nd Aug 2025271 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025263 PMAQI
2nd Aug 2025274 PMAQI
2nd Aug 2025255 PMAQI
2nd Aug 2025266 PMAQI
2nd Aug 2025307 PMAQI
2nd Aug 2025318 PMAQI
2nd Aug 2025349 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20254012 AMAQI
3rd Aug 2025431 AMAQI
3rd Aug 2025462 AMAQI
3rd Aug 2025523 AMAQI
3rd Aug 2025504 AMAQI
21°C14/26°C
3rd Aug 2025465 AMAQI
3rd Aug 2025456 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20254810 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20255412 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025487 PMAQI
3rd Aug 2025508 PMAQI
3rd Aug 2025549 PMAQI
3rd Aug 20255410 PMAQI
3rd Aug 20255411 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025442 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI
21°C11/29°C
4th Aug 2025565 AMAQI
4th Aug 2025576 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025619 AMAQI
4th Aug 20256010 AMAQI
4th Aug 20256111 AMAQI
4th Aug 20256212 PMAQI
4th Aug 2025681 PMAQI
4th Aug 2025692 PMAQI
4th Aug 2025723 PMAQI
4th Aug 2025724 PMAQI
4th Aug 2025725 PMAQI
4th Aug 2025726 PMAQI
4th Aug 2025597 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025749 PMAQI
4th Aug 20257510 PMAQI
4th Aug 20258511 PMAQI
5th Aug 20258012 AMAQI
5th Aug 2025721 AMAQI
5th Aug 2025742 AMAQI
5th Aug 2025763 AMAQI
5th Aug 2025754 AMAQI
21°C11/30°C
5th Aug 2025765 AMAQI
5 AM5th Aug 2025756 AMAQI
5th Aug 2025767 AMAQI
5th Aug 2025768 AMAQI
5th Aug 2025779 AMAQI
5th Aug 20258010 AMAQI
5th Aug 20258411 AMAQI
5th Aug 20259212 PMAQI
12 PM5th Aug 20251021 PMAQI
5th Aug 20251052 PMAQI
5th Aug 20251033 PMAQI
5th Aug 20251044 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 4 PM
44AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 8 PM
44AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 4 PM (Avg. 44), while the lowest AQI was between 5 AM to 8 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 11 PM
43AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
43AQI
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. 43), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).
2025 Days Vs Air Quality
Hummelstown, Pennsylvania, United States
2025
79%
103
21%
28
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
103 DaysModerate
28 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% 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
Hummelstown, 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 March 2025
19AQI
19AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
66AQI
66AQI
4th March 2025
61AQI
61AQI
5th March 2025
43AQI
43AQI
1st April 2025
18AQI
18AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
31AQI
31AQI
4th April 2025
25AQI
25AQI
5th April 2025
32AQI
32AQI
6th April 2025
29AQI
29AQI
7th April 2025
25AQI
25AQI
8th April 2025
23AQI
23AQI
9th April 2025
21AQI
21AQI
10th April 2025
34AQI
34AQI
11th April 2025
36AQI
36AQI
12th April 2025
17AQI
17AQI
13th April 2025
19AQI
19AQI
14th April 2025
34AQI
34AQI
15th April 2025
29AQI
29AQI
16th April 2025
12AQI
12AQI
17th April 2025
19AQI
19AQI
18th April 2025
40AQI
40AQI
19th April 2025
60AQI
60AQI
20th April 2025
26AQI
26AQI
21st April 2025
26AQI
26AQI
22nd April 2025
28AQI
28AQI
23rd April 2025
23AQI
23AQI
24th April 2025
51AQI
51AQI
25th April 2025
45AQI
45AQI
26th April 2025
31AQI
31AQI
27th April 2025
12AQI
12AQI
28th April 2025
18AQI
18AQI
29th April 2025
31AQI
31AQI
30th April 2025
27AQI
27AQI
1st May 2025
34AQI
34AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
30AQI
30AQI
4th May 2025
27AQI
27AQI
5th May 2025
26AQI
26AQI
6th May 2025
25AQI
25AQI
7th May 2025
19AQI
19AQI
8th May 2025
28AQI
28AQI
9th May 2025
18AQI
18AQI
10th May 2025
23AQI
23AQI
11th May 2025
35AQI
35AQI
12th May 2025
37AQI
37AQI
13th May 2025
25AQI
25AQI
14th May 2025
22AQI
22AQI
15th May 2025
36AQI
36AQI
16th May 2025
44AQI
44AQI
17th May 2025
37AQI
37AQI
18th May 2025
17AQI
17AQI
19th May 2025
18AQI
18AQI
20th May 2025
17AQI
17AQI
21st May 2025
21AQI
21AQI
22nd May 2025
13AQI
13AQI
23rd May 2025
18AQI
18AQI
24th May 2025
13AQI
13AQI
25th May 2025
18AQI
18AQI
26th May 2025
26AQI
26AQI
27th May 2025
35AQI
35AQI
28th May 2025
19AQI
19AQI
29th May 2025
30AQI
30AQI
30th May 2025
30AQI
30AQI
31st May 2025
33AQI
33AQI
1st June 2025
18AQI
18AQI
2nd June 2025
24AQI
24AQI
3rd June 2025
36AQI
36AQI
4th June 2025
54AQI
54AQI
5th June 2025
65AQI
65AQI
6th June 2025
62AQI
62AQI
7th June 2025
57AQI
57AQI
8th June 2025
52AQI
52AQI
9th June 2025
33AQI
33AQI
10th June 2025
43AQI
43AQI
11th June 2025
58AQI
58AQI
12th June 2025
66AQI
66AQI
13th June 2025
75AQI
75AQI
14th June 2025
76AQI
76AQI
15th June 2025
30AQI
30AQI
16th June 2025
29AQI
29AQI
17th June 2025
28AQI
28AQI
18th June 2025
27AQI
27AQI
19th June 2025
24AQI
24AQI
20th June 2025
28AQI
28AQI
21st June 2025
49AQI
49AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
55AQI
55AQI
24th June 2025
57AQI
57AQI
25th June 2025
56AQI
56AQI
26th June 2025
41AQI
41AQI
27th June 2025
45AQI
45AQI
28th June 2025
34AQI
34AQI
29th June 2025
39AQI
39AQI
30th June 2025
46AQI
46AQI
1st July 2025
30AQI
30AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
45AQI
45AQI
4th July 2025
55AQI
55AQI
5th July 2025
65AQI
65AQI
6th July 2025
59AQI
59AQI
7th July 2025
35AQI
35AQI
8th July 2025
42AQI
42AQI
9th July 2025
38AQI
38AQI
10th July 2025
40AQI
40AQI
11th July 2025
48AQI
48AQI
12th July 2025
41AQI
41AQI
13th July 2025
31AQI
31AQI
14th July 2025
30AQI
30AQI
15th July 2025
29AQI
29AQI
16th July 2025
40AQI
40AQI
17th July 2025
26AQI
26AQI
18th July 2025
22AQI
22AQI
19th July 2025
27AQI
27AQI
20th July 2025
39AQI
39AQI
21st July 2025
38AQI
38AQI
22nd July 2025
52AQI
52AQI
23rd July 2025
56AQI
56AQI
24th July 2025
43AQI
43AQI
25th July 2025
52AQI
52AQI
26th July 2025
34AQI
34AQI
27th July 2025
69AQI
69AQI
28th July 2025
44AQI
44AQI
29th July 2025
53AQI
53AQI
30th July 2025
54AQI
54AQI
31st July 2025
55AQI
55AQI
1st August 2025
34AQI
34AQI
2nd August 2025
33AQI
33AQI
3rd August 2025
50AQI
50AQI
4th August 2025
61AQI
61AQI
46AQI
28AQI
26AQI
45AQI
43AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
3
2
28
2
31
17
13
21
10
3
1
103
28
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
May26AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2025(Avg.)
36AQIHummelstown's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
