Lancaster, 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
Lancaster, Pennsylvania, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2025
82AQILowest AQI recorded on
8th Aug 2024
17AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 36 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Lancaster, Pennsylvania, United States
AQI
Day
Night
.
5 AM9th Aug 2025
8 PM
4 AM10th Aug 2025
Day time
Avg. Highest Time
11AM9th Aug
49AQI
Avg. Lowest Time
4PM9th Aug
41AQI
Night time
Avg. Highest Time
4AM10th Aug
60AQI
Avg. Lowest Time
11PM9th Aug
42AQI
In the last 24 hours,
Lancaster's AQI reached its highest point of 60 at 4 AM during the Night, while the lowest point, 41, was recorded at 4 PM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Lancaster, Pennsylvania, United States
JulAug
11th - 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 - 08th08th - 09th09th - 10th10th
Day
Night
11th Jul 2025425 AMAQI
11th Jul 2025436 AMAQI
11th Jul 2025407 AMAQI
11th Jul 2025398 AMAQI
11th Jul 2025409 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20254311 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025433 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025435 PMAQI
11th Jul 2025446 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025479 PMAQI
11th Jul 20254510 PMAQI
11th Jul 20254711 PMAQI
12th Jul 20254812 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025452 AMAQI
12th Jul 2025463 AMAQI
12th Jul 2025454 AMAQI
25°C20/33°C
12th Jul 2025435 AMAQI
12th Jul 2025416 AMAQI
12th Jul 2025417 AMAQI
12th Jul 2025428 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025465 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025469 PMAQI
12th Jul 20254510 PMAQI
12th Jul 20254511 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025451 AMAQI
13th Jul 2025402 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025374 AMAQI
27°C22/34°C
13th Jul 2025375 AMAQI
13th Jul 2025376 AMAQI
13th Jul 2025387 AMAQI
13th Jul 2025388 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253911 AMAQI
13th Jul 20253912 PMAQI
13th Jul 2025391 PMAQI
13th Jul 2025402 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025394 PMAQI
13th Jul 2025405 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025397 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025379 PMAQI
13th Jul 20253910 PMAQI
13th Jul 20253811 PMAQI
14th Jul 20253912 AMAQI
14th Jul 2025381 AMAQI
14th Jul 2025382 AMAQI
14th Jul 2025373 AMAQI
14th Jul 2025374 AMAQI
26°C21/30°C
14th Jul 2025375 AMAQI
14th Jul 2025386 AMAQI
14th Jul 2025397 AMAQI
14th Jul 2025408 AMAQI
14th Jul 2025439 AMAQI
14th Jul 20254310 AMAQI
14th Jul 20254411 AMAQI
14th Jul 20254412 PMAQI
14th Jul 2025431 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025413 PMAQI
14th Jul 2025404 PMAQI
14th Jul 2025405 PMAQI
14th Jul 2025396 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025408 PMAQI
14th Jul 2025389 PMAQI
14th Jul 20253810 PMAQI
14th Jul 20253911 PMAQI
15th Jul 20253812 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025362 AMAQI
15th Jul 2025363 AMAQI
15th Jul 2025354 AMAQI
24°C22/28°C
15th Jul 2025345 AMAQI
15th Jul 2025386 AMAQI
15th Jul 2025387 AMAQI
15th Jul 2025378 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20253810 AMAQI
15th Jul 20253811 AMAQI
15th Jul 20253712 PMAQI
15th Jul 2025381 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025396 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025378 PMAQI
15th Jul 2025379 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253511 PMAQI
16th Jul 20253512 AMAQI
16th Jul 2025351 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025393 AMAQI
16th Jul 2025364 AMAQI
26°C22/30°C
16th Jul 2025345 AMAQI
16th Jul 2025366 AMAQI
16th Jul 2025417 AMAQI
16th Jul 2025408 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20253710 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025341 PMAQI
16th Jul 2025352 PMAQI
16th Jul 2025363 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025367 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025319 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20252911 PMAQI
17th Jul 20252712 AMAQI
17th Jul 2025251 AMAQI
17th Jul 2025212 AMAQI
17th Jul 2025213 AMAQI
17th Jul 2025214 AMAQI
26°C20/32°C
17th Jul 2025225 AMAQI
17th Jul 2025226 AMAQI
17th Jul 2025227 AMAQI
17th Jul 2025228 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20252510 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025301 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025273 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025265 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025259 PMAQI
17th Jul 20252510 PMAQI
17th Jul 20252711 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025291 AMAQI
18th Jul 2025292 AMAQI
18th Jul 2025283 AMAQI
18th Jul 2025274 AMAQI
27°C21/35°C
18th Jul 2025255 AMAQI
18th Jul 2025286 AMAQI
18th Jul 2025307 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025254 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025288 PMAQI
18th Jul 2025289 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025351 AMAQI
19th Jul 2025392 AMAQI
19th Jul 2025393 AMAQI
19th Jul 2025384 AMAQI
24°C21/30°C
19th Jul 2025375 AMAQI
19th Jul 2025366 AMAQI
19th Jul 2025367 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253310 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253512 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025347 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025352 AMAQI
20th Jul 2025373 AMAQI
20th Jul 2025354 AMAQI
24°C20/29°C
20th Jul 2025375 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20253610 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025381 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025367 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025362 AMAQI
21st Jul 2025353 AMAQI
21st Jul 2025354 AMAQI
26°C22/30°C
21st Jul 2025345 AMAQI
21st Jul 2025336 AMAQI
21st Jul 2025327 AMAQI
21st Jul 2025328 AMAQI
21st Jul 2025339 AMAQI
21st Jul 20253310 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025371 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025512 AMAQI
22nd Jul 2025493 AMAQI
22nd Jul 2025444 AMAQI
24°C18/30°C
22nd Jul 2025425 AMAQI
22nd Jul 2025426 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025409 AMAQI
22nd Jul 20253810 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025401 PMAQI
22nd Jul 2025412 PMAQI
22nd Jul 2025413 PMAQI
22nd Jul 2025414 PMAQI
22nd Jul 2025395 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025417 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025431 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025403 AMAQI
23rd Jul 2025364 AMAQI
21°C14/27°C
23rd Jul 2025345 AMAQI
23rd Jul 2025376 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025389 AMAQI
23rd Jul 20253710 AMAQI
23rd Jul 20253711 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025381 PMAQI
23rd Jul 2025372 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025374 PMAQI
23rd Jul 2025365 PMAQI
23rd Jul 2025366 PMAQI
23rd Jul 2025387 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253610 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025321 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025273 AMAQI
24th Jul 2025244 AMAQI
23°C18/29°C
24th Jul 2025235 AMAQI
24th Jul 2025246 AMAQI
24th Jul 2025257 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025259 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025301 PMAQI
24th Jul 2025312 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025324 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025287 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20253110 PMAQI
24th Jul 20253111 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025352 AMAQI
25th Jul 2025353 AMAQI
25th Jul 2025334 AMAQI
26°C19/33°C
25th Jul 2025335 AMAQI
25th Jul 2025346 AMAQI
25th Jul 2025357 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025359 AMAQI
25th Jul 20253510 AMAQI
25th Jul 20253611 AMAQI
25th Jul 20253512 PMAQI
25th Jul 2025351 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025374 PMAQI
25th Jul 2025365 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025338 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025232 AMAQI
26th Jul 2025233 AMAQI
26th Jul 2025244 AMAQI
28°C21/37°C
26th Jul 2025245 AMAQI
26th Jul 2025256 AMAQI
26th Jul 2025257 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025279 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253112 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025272 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025359 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20253311 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025692 AMAQI
27th Jul 2025663 AMAQI
27th Jul 2025684 AMAQI
26°C21/32°C
27th Jul 2025665 AMAQI
27th Jul 2025596 AMAQI
27th Jul 2025577 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20255310 AMAQI
27th Jul 20255011 AMAQI
27th Jul 20254812 PMAQI
27th Jul 2025451 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025433 PMAQI
27th Jul 2025434 PMAQI
27th Jul 2025435 PMAQI
27th Jul 2025416 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025459 PMAQI
27th Jul 20254510 PMAQI
27th Jul 20254411 PMAQI
28th Jul 20254512 AMAQI
28th Jul 2025441 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025284 AMAQI
25°C20/32°C
28th Jul 2025295 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025307 AMAQI
28th Jul 2025318 AMAQI
28th Jul 2025359 AMAQI
28th Jul 20253510 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20253912 PMAQI
28th Jul 2025371 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025344 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025346 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025359 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20253911 PMAQI
29th Jul 20254112 AMAQI
29th Jul 2025391 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025413 AMAQI
29th Jul 2025424 AMAQI
27°C22/34°C
29th Jul 2025425 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025439 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20254212 PMAQI
29th Jul 2025411 PMAQI
29th Jul 2025402 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025414 PMAQI
29th Jul 2025415 PMAQI
29th Jul 2025416 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025489 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20254611 PMAQI
30th Jul 20254512 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025452 AMAQI
30th Jul 2025443 AMAQI
30th Jul 2025444 AMAQI
27°C19/36°C
30th Jul 2025485 AMAQI
30th Jul 2025456 AMAQI
30th Jul 2025477 AMAQI
30th Jul 2025478 AMAQI
30th Jul 2025479 AMAQI
30th Jul 20254510 AMAQI
30th Jul 20254511 AMAQI
30th Jul 20254412 PMAQI
30th Jul 2025431 PMAQI
30th Jul 2025412 PMAQI
30th Jul 2025413 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025416 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025418 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20254710 PMAQI
30th Jul 20254611 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025471 AMAQI
31st Jul 2025452 AMAQI
31st Jul 2025443 AMAQI
31st Jul 2025404 AMAQI
28°C20/35°C
31st Jul 2025415 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025449 AMAQI
31st Jul 20254410 AMAQI
31st Jul 20254511 AMAQI
31st Jul 20254212 PMAQI
31st Jul 2025391 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025246 PMAQI
31st Jul 2025427 PMAQI
31st Jul 2025428 PMAQI
31st Jul 2025449 PMAQI
31st Jul 20254310 PMAQI
31st Jul 20253911 PMAQI
1st Aug 20253612 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025273 AMAQI
1st Aug 2025284 AMAQI
25°C19/32°C
1st Aug 2025235 AMAQI
1st Aug 2025216 AMAQI
1st Aug 2025217 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025289 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20253611 AMAQI
1st Aug 20253312 PMAQI
1st Aug 2025291 PMAQI
1st Aug 2025282 PMAQI
1st Aug 2025283 PMAQI
1st Aug 2025264 PMAQI
1st Aug 2025255 PMAQI
1st Aug 2025266 PMAQI
1st Aug 2025287 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025349 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025421 AMAQI
2nd Aug 2025412 AMAQI
2nd Aug 2025413 AMAQI
2nd Aug 2025444 AMAQI
19°C18/22°C
2nd Aug 2025465 AMAQI
2nd Aug 2025466 AMAQI
2nd Aug 2025467 AMAQI
2nd Aug 2025428 AMAQI
2nd Aug 2025399 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20253211 AMAQI
2nd Aug 20253412 PMAQI
2nd Aug 2025401 PMAQI
2nd Aug 2025422 PMAQI
2nd Aug 2025413 PMAQI
2nd Aug 2025424 PMAQI
2nd Aug 2025435 PMAQI
2nd Aug 2025426 PMAQI
2nd Aug 2025407 PMAQI
2nd Aug 2025438 PMAQI
2nd Aug 2025479 PMAQI
2nd Aug 20255010 PMAQI
2nd Aug 20255811 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025583 AMAQI
3rd Aug 2025564 AMAQI
20°C13/25°C
3rd Aug 2025555 AMAQI
3rd Aug 2025546 AMAQI
3rd Aug 2025527 AMAQI
3rd Aug 2025518 AMAQI
3rd Aug 2025509 AMAQI
3rd Aug 20254910 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20254512 PMAQI
3rd Aug 2025441 PMAQI
3rd Aug 2025432 PMAQI
3rd Aug 2025443 PMAQI
3rd Aug 2025454 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025517 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025509 PMAQI
3rd Aug 20254610 PMAQI
3rd Aug 20254511 PMAQI
4th Aug 20254812 AMAQI
4th Aug 2025451 AMAQI
4th Aug 2025462 AMAQI
4th Aug 2025493 AMAQI
4th Aug 2025494 AMAQI
20°C10/29°C
4th Aug 2025475 AMAQI
4th Aug 2025486 AMAQI
4th Aug 2025517 AMAQI
4th Aug 2025498 AMAQI
4th Aug 2025499 AMAQI
4th Aug 20255010 AMAQI
4th Aug 20255111 AMAQI
4th Aug 20255112 PMAQI
4th Aug 2025521 PMAQI
4th Aug 2025502 PMAQI
4th Aug 2025563 PMAQI
4th Aug 2025604 PMAQI
4th Aug 2025635 PMAQI
4th Aug 2025646 PMAQI
4th Aug 2025507 PMAQI
4th Aug 2025578 PMAQI
4th Aug 2025659 PMAQI
4th Aug 20256310 PMAQI
4th Aug 20256011 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025604 AMAQI
21°C10/31°C
5th Aug 2025615 AMAQI
5th Aug 2025616 AMAQI
5th Aug 2025607 AMAQI
5th Aug 2025628 AMAQI
5th Aug 2025629 AMAQI
5th Aug 20256510 AMAQI
5th Aug 20256311 AMAQI
5th Aug 20256312 PMAQI
5th Aug 2025631 PMAQI
5th Aug 2025682 PMAQI
5th Aug 2025733 PMAQI
5th Aug 2025764 PMAQI
5th Aug 2025785 PMAQI
5th Aug 2025796 PMAQI
5th Aug 2025597 PMAQI
5th Aug 2025668 PMAQI
5th Aug 2025729 PMAQI
5th Aug 20257310 PMAQI
5th Aug 20257411 PMAQI
6th Aug 20257312 AMAQI
6th Aug 2025741 AMAQI
6th Aug 2025702 AMAQI
6th Aug 2025693 AMAQI
6th Aug 2025694 AMAQI
22°C13/32°C
6th Aug 2025685 AMAQI
6th Aug 2025686 AMAQI
6th Aug 2025647 AMAQI
6th Aug 2025638 AMAQI
6th Aug 2025629 AMAQI
6th Aug 20256110 AMAQI
6th Aug 20256311 AMAQI
6th Aug 20256612 PMAQI
6th Aug 2025681 PMAQI
6th Aug 2025682 PMAQI
6th Aug 2025703 PMAQI
6th Aug 2025674 PMAQI
6th Aug 2025635 PMAQI
6th Aug 2025626 PMAQI
6th Aug 2025687 PMAQI
6th Aug 2025658 PMAQI
6th Aug 2025649 PMAQI
6th Aug 20256310 PMAQI
6th Aug 20256711 PMAQI
7th Aug 20256512 AMAQI
7th Aug 2025661 AMAQI
7th Aug 2025562 AMAQI
7th Aug 2025553 AMAQI
7th Aug 2025524 AMAQI
21°C18/24°C
7th Aug 2025515 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025507 AMAQI
7th Aug 2025498 AMAQI
7th Aug 2025509 AMAQI
7th Aug 20255310 AMAQI
7th Aug 20255611 AMAQI
7th Aug 20255912 PMAQI
7th Aug 2025571 PMAQI
7th Aug 2025552 PMAQI
7th Aug 2025563 PMAQI
7th Aug 2025554 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025516 PMAQI
7th Aug 2025557 PMAQI
7th Aug 2025578 PMAQI
7th Aug 2025519 PMAQI
7th Aug 20255410 PMAQI
7th Aug 20255311 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025501 AMAQI
8th Aug 2025622 AMAQI
8th Aug 2025653 AMAQI
8th Aug 2025624 AMAQI
22°C17/27°C
8th Aug 2025625 AMAQI
8th Aug 2025596 AMAQI
8th Aug 2025627 AMAQI
8th Aug 2025628 AMAQI
8th Aug 2025609 AMAQI
8th Aug 20255610 AMAQI
8th Aug 20255411 AMAQI
8th Aug 20255312 PMAQI
8th Aug 2025541 PMAQI
8th Aug 2025522 PMAQI
8th Aug 2025543 PMAQI
8th Aug 2025524 PMAQI
8th Aug 2025505 PMAQI
8th Aug 2025496 PMAQI
8th Aug 2025537 PMAQI
8th Aug 2025528 PMAQI
8th Aug 2025469 PMAQI
8th Aug 20254710 PMAQI
8th Aug 20254811 PMAQI
9th Aug 20254912 AMAQI
9th Aug 2025491 AMAQI
9th Aug 2025402 AMAQI
9th Aug 2025403 AMAQI
9th Aug 2025384 AMAQI
20°C11/28°C
9th Aug 2025425 AMAQI
9th Aug 2025436 AMAQI
9th Aug 2025447 AMAQI
9th Aug 2025448 AMAQI
9th Aug 2025469 AMAQI
9th Aug 20254810 AMAQI
9th Aug 20254911 AMAQI
9th Aug 20254912 PMAQI
9th Aug 2025481 PMAQI
9th Aug 2025452 PMAQI
9th Aug 2025443 PMAQI
9th Aug 2025414 PMAQI
9th Aug 2025425 PMAQI
9th Aug 2025426 PMAQI
9th Aug 2025447 PMAQI
9th Aug 2025458 PMAQI
9th Aug 2025449 PMAQI
9th Aug 20254210 PMAQI
9th Aug 20254211 PMAQI
10th Aug 20254512 AMAQI
10th Aug 2025471 AMAQI
10th Aug 2025512 AMAQI
10th Aug 2025563 AMAQI
10th Aug 2025604 AMAQI
20°C13/29°C
5 AM
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
41AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
41AQI
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. 41), while the lowest AQI was between 5 AM to 8 PM (Avg. 41).
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
Lancaster, Pennsylvania, United States
2025
83%
183
17%
38
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
183 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 222 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
Lancaster, 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
29AQI
29AQI
2nd January 2025
21AQI
21AQI
3rd January 2025
32AQI
32AQI
4th January 2025
23AQI
23AQI
5th January 2025
31AQI
31AQI
6th January 2025
39AQI
39AQI
7th January 2025
23AQI
23AQI
8th January 2025
28AQI
28AQI
9th January 2025
29AQI
29AQI
10th January 2025
31AQI
31AQI
11th January 2025
49AQI
49AQI
12th January 2025
53AQI
53AQI
13th January 2025
46AQI
46AQI
14th January 2025
26AQI
26AQI
15th January 2025
26AQI
26AQI
16th January 2025
44AQI
44AQI
17th January 2025
49AQI
49AQI
18th January 2025
43AQI
43AQI
19th January 2025
49AQI
49AQI
20th January 2025
26AQI
26AQI
21st January 2025
36AQI
36AQI
22nd January 2025
68AQI
68AQI
23rd January 2025
92AQI
92AQI
24th January 2025
89AQI
89AQI
25th January 2025
77AQI
77AQI
26th January 2025
68AQI
68AQI
27th January 2025
52AQI
52AQI
28th January 2025
37AQI
37AQI
29th January 2025
29AQI
29AQI
30th January 2025
31AQI
31AQI
31st January 2025
47AQI
47AQI
1st February 2025
32AQI
32AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
53AQI
53AQI
4th February 2025
40AQI
40AQI
5th February 2025
32AQI
32AQI
6th February 2025
31AQI
31AQI
7th February 2025
32AQI
32AQI
8th February 2025
33AQI
33AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
45AQI
45AQI
12th February 2025
56AQI
56AQI
13th February 2025
27AQI
27AQI
14th February 2025
30AQI
30AQI
15th February 2025
35AQI
35AQI
16th February 2025
25AQI
25AQI
17th February 2025
30AQI
30AQI
18th February 2025
28AQI
28AQI
19th February 2025
25AQI
25AQI
20th February 2025
26AQI
26AQI
21st February 2025
26AQI
26AQI
22nd February 2025
47AQI
47AQI
23rd February 2025
48AQI
48AQI
24th February 2025
53AQI
53AQI
25th February 2025
45AQI
45AQI
26th February 2025
61AQI
61AQI
27th February 2025
51AQI
51AQI
28th February 2025
30AQI
30AQI
1st March 2025
29AQI
29AQI
2nd March 2025
29AQI
29AQI
3rd March 2025
35AQI
35AQI
4th March 2025
44AQI
44AQI
5th March 2025
30AQI
30AQI
6th March 2025
24AQI
24AQI
7th March 2025
32AQI
32AQI
8th March 2025
32AQI
32AQI
9th March 2025
29AQI
29AQI
10th March 2025
39AQI
39AQI
11th March 2025
44AQI
44AQI
12th March 2025
33AQI
33AQI
13th March 2025
35AQI
35AQI
14th March 2025
57AQI
57AQI
15th March 2025
40AQI
40AQI
16th March 2025
30AQI
30AQI
17th March 2025
19AQI
19AQI
18th March 2025
20AQI
20AQI
19th March 2025
40AQI
40AQI
20th March 2025
33AQI
33AQI
21st March 2025
17AQI
17AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
18AQI
18AQI
24th March 2025
24AQI
24AQI
25th March 2025
20AQI
20AQI
26th March 2025
21AQI
21AQI
27th March 2025
22AQI
22AQI
28th March 2025
41AQI
41AQI
29th March 2025
61AQI
61AQI
30th March 2025
58AQI
58AQI
31st March 2025
28AQI
28AQI
1st April 2025
20AQI
20AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
27AQI
27AQI
4th April 2025
27AQI
27AQI
5th April 2025
29AQI
29AQI
6th April 2025
25AQI
25AQI
7th April 2025
25AQI
25AQI
8th April 2025
25AQI
25AQI
9th April 2025
23AQI
23AQI
10th April 2025
29AQI
29AQI
11th April 2025
27AQI
27AQI
12th April 2025
16AQI
16AQI
13th April 2025
20AQI
20AQI
14th April 2025
42AQI
42AQI
15th April 2025
28AQI
28AQI
16th April 2025
14AQI
14AQI
17th April 2025
22AQI
22AQI
18th April 2025
45AQI
45AQI
19th April 2025
58AQI
58AQI
20th April 2025
25AQI
25AQI
21st April 2025
29AQI
29AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
34AQI
34AQI
24th April 2025
56AQI
56AQI
25th April 2025
35AQI
35AQI
26th April 2025
28AQI
28AQI
27th April 2025
12AQI
12AQI
28th April 2025
18AQI
18AQI
29th April 2025
28AQI
28AQI
30th April 2025
30AQI
30AQI
1st May 2025
31AQI
31AQI
2nd May 2025
43AQI
43AQI
3rd May 2025
38AQI
38AQI
4th May 2025
25AQI
25AQI
5th May 2025
24AQI
24AQI
6th May 2025
22AQI
22AQI
7th May 2025
18AQI
18AQI
8th May 2025
30AQI
30AQI
9th May 2025
17AQI
17AQI
10th May 2025
21AQI
21AQI
11th May 2025
34AQI
34AQI
12th May 2025
37AQI
37AQI
13th May 2025
21AQI
21AQI
14th May 2025
21AQI
21AQI
15th May 2025
30AQI
30AQI
16th May 2025
38AQI
38AQI
17th May 2025
31AQI
31AQI
18th May 2025
17AQI
17AQI
19th May 2025
19AQI
19AQI
20th May 2025
20AQI
20AQI
21st May 2025
19AQI
19AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
17AQI
17AQI
24th May 2025
12AQI
12AQI
25th May 2025
14AQI
14AQI
26th May 2025
21AQI
21AQI
27th May 2025
36AQI
36AQI
28th May 2025
19AQI
19AQI
29th May 2025
27AQI
27AQI
30th May 2025
34AQI
34AQI
31st May 2025
32AQI
32AQI
1st June 2025
18AQI
18AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
32AQI
32AQI
4th June 2025
50AQI
50AQI
5th June 2025
57AQI
57AQI
6th June 2025
55AQI
55AQI
7th June 2025
47AQI
47AQI
8th June 2025
39AQI
39AQI
9th June 2025
29AQI
29AQI
10th June 2025
40AQI
40AQI
11th June 2025
57AQI
57AQI
12th June 2025
63AQI
63AQI
13th June 2025
75AQI
75AQI
14th June 2025
77AQI
77AQI
15th June 2025
30AQI
30AQI
16th June 2025
31AQI
31AQI
17th June 2025
29AQI
29AQI
18th June 2025
22AQI
22AQI
19th June 2025
23AQI
23AQI
20th June 2025
25AQI
25AQI
21st June 2025
50AQI
50AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
53AQI
53AQI
24th June 2025
55AQI
55AQI
25th June 2025
55AQI
55AQI
26th June 2025
40AQI
40AQI
27th June 2025
43AQI
43AQI
28th June 2025
29AQI
29AQI
29th June 2025
37AQI
37AQI
30th June 2025
48AQI
48AQI
1st July 2025
30AQI
30AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
44AQI
44AQI
4th July 2025
52AQI
52AQI
5th July 2025
82AQI
82AQI
6th July 2025
59AQI
59AQI
7th July 2025
33AQI
33AQI
8th July 2025
38AQI
38AQI
9th July 2025
37AQI
37AQI
10th July 2025
37AQI
37AQI
11th July 2025
42AQI
42AQI
12th July 2025
36AQI
36AQI
13th July 2025
26AQI
26AQI
14th July 2025
25AQI
25AQI
15th July 2025
24AQI
24AQI
16th July 2025
36AQI
36AQI
17th July 2025
25AQI
25AQI
18th July 2025
23AQI
23AQI
19th July 2025
29AQI
29AQI
20th July 2025
30AQI
30AQI
21st July 2025
35AQI
35AQI
22nd July 2025
53AQI
53AQI
23rd July 2025
50AQI
50AQI
24th July 2025
37AQI
37AQI
25th July 2025
49AQI
49AQI
26th July 2025
33AQI
33AQI
27th July 2025
75AQI
75AQI
28th July 2025
42AQI
42AQI
29th July 2025
50AQI
50AQI
30th July 2025
54AQI
54AQI
31st July 2025
49AQI
49AQI
1st August 2025
29AQI
29AQI
2nd August 2025
35AQI
35AQI
3rd August 2025
50AQI
50AQI
4th August 2025
62AQI
62AQI
5th August 2025
82AQI
82AQI
6th August 2025
79AQI
79AQI
7th August 2025
59AQI
59AQI
8th August 2025
56AQI
56AQI
9th August 2025
36AQI
36AQI
43AQI
37AQI
32AQI
28AQI
25AQI
43AQI
41AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
24
7
23
5
28
3
28
2
31
20
10
25
6
4
5
183
38
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
May25AQI
202438AQI
24
6
1
20
8
1
29
2
25
5
29
2
29
28
3
25
6
28
2
24
7
29
1
25
6
315
48
2
Highest AQI recorded in
February45AQI
Lowest AQI recorded in
November32AQI
202345AQI
21
10
20
8
25
6
24
6
22
9
12
12
2
2
2
20
10
1
26
5
30
26
5
22
7
20
11
268
89
3
2
2
Highest AQI recorded in
June76AQI
Lowest AQI recorded in
September33AQI
202240AQI
19
9
1
16
5
22
8
27
2
26
4
26
1
18
4
2
28
1
23
8
21
8
1
19
11
1
247
61
3
Highest AQI recorded in
December49AQI
Lowest AQI recorded in
August27AQI
202142AQI
20
7
16
6
11
5
20
4
24
7
28
2
15
13
2
26
5
26
4
29
2
17
13
18
13
250
81
2
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
June36AQI
202039AQI
12
1
18
2
18
30
24
7
28
3
28
2
29
1
20
7
1
22
9
229
32
1
Highest AQI recorded in
November49AQI
Lowest AQI recorded in
May29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
45AQILeast Polluted Year Recorded
2025(Avg.)
36AQILancaster's annual 2025 AQI (36) shows an average percentage change of -10.4% (improved AQI) compared to previous years: 2020 (39), 2021 (42), 2022 (40), 2023 (45), 2024 (38).
