Lancaster, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
October Air Quality Analysis
Lancaster, California, United States
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
11th Oct 2021
128AQILowest AQI recorded on
29th Oct 2024
18AQISame Day Analysis (25th October ):
On this day, AQI across the 4 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: 25th Oct - 26th Oct 2025
Lancaster, California, United States
AQI
Day
Night
.
6 AM25th Oct 2025
6 PM
5 AM26th Oct 2025
Day time
Avg. Highest Time
12PM25th Oct
54AQI
Avg. Lowest Time
4PM25th Oct
45AQI
Night time
Avg. Highest Time
2AM26th Oct
62AQI
Avg. Lowest Time
8PM25th Oct
40AQI
In the last 24 hours,
Lancaster's AQI reached its highest point of 62 at 2 AM during the Night, while the lowest point, 40, was recorded at 8 PM during the Night between 25th Oct and 26th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Lancaster, California, United States
SepOct
26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th
Day
Night
26th Sep 2025326 AMAQI
26th Sep 2025307 AMAQI
26th Sep 2025338 AMAQI
26th Sep 2025269 AMAQI
26th Sep 20252010 AMAQI
26th Sep 20252111 AMAQI
26th Sep 20252412 PMAQI
26th Sep 2025261 PMAQI
26th Sep 2025282 PMAQI
26th Sep 2025293 PMAQI
26th Sep 2025314 PMAQI
26th Sep 2025335 PMAQI
26th Sep 2025326 PMAQI
26th Sep 2025287 PMAQI
26th Sep 2025278 PMAQI
26th Sep 2025319 PMAQI
26th Sep 20253510 PMAQI
26th Sep 20253811 PMAQI
27th Sep 20253712 AMAQI
27th Sep 2025351 AMAQI
27th Sep 2025302 AMAQI
27th Sep 2025283 AMAQI
27th Sep 2025264 AMAQI
27th Sep 2025265 AMAQI
24°C18/34°C
27th Sep 2025286 AMAQI
27th Sep 2025347 AMAQI
27th Sep 2025308 AMAQI
27th Sep 2025309 AMAQI
27th Sep 20252610 AMAQI
27th Sep 20252211 AMAQI
27th Sep 20252012 PMAQI
27th Sep 2025191 PMAQI
27th Sep 2025162 PMAQI
27th Sep 2025193 PMAQI
27th Sep 2025184 PMAQI
27th Sep 2025165 PMAQI
27th Sep 2025246 PMAQI
27th Sep 2025327 PMAQI
27th Sep 2025348 PMAQI
27th Sep 2025369 PMAQI
27th Sep 20253810 PMAQI
27th Sep 20253111 PMAQI
28th Sep 20252512 AMAQI
28th Sep 2025251 AMAQI
28th Sep 2025272 AMAQI
28th Sep 2025273 AMAQI
28th Sep 2025284 AMAQI
28th Sep 2025295 AMAQI
22°C16/32°C
28th Sep 2025286 AMAQI
28th Sep 2025307 AMAQI
28th Sep 2025318 AMAQI
28th Sep 2025269 AMAQI
28th Sep 20252610 AMAQI
28th Sep 20252411 AMAQI
28th Sep 20254112 PMAQI
28th Sep 2025531 PMAQI
28th Sep 2025402 PMAQI
28th Sep 2025323 PMAQI
28th Sep 2025384 PMAQI
28th Sep 2025395 PMAQI
28th Sep 2025336 PMAQI
28th Sep 2025297 PMAQI
28th Sep 2025288 PMAQI
28th Sep 2025329 PMAQI
28th Sep 20254410 PMAQI
28th Sep 20255311 PMAQI
29th Sep 20255712 AMAQI
29th Sep 2025561 AMAQI
29th Sep 2025562 AMAQI
29th Sep 2025543 AMAQI
29th Sep 2025594 AMAQI
29th Sep 2025595 AMAQI
22°C15/31°C
29th Sep 2025556 AMAQI
29th Sep 2025527 AMAQI
29th Sep 2025518 AMAQI
29th Sep 2025519 AMAQI
29th Sep 20254810 AMAQI
29th Sep 20255311 AMAQI
29th Sep 20254712 PMAQI
29th Sep 2025491 PMAQI
29th Sep 2025382 PMAQI
29th Sep 2025353 PMAQI
29th Sep 2025224 PMAQI
29th Sep 2025215 PMAQI
29th Sep 2025236 PMAQI
29th Sep 2025297 PMAQI
29th Sep 2025328 PMAQI
29th Sep 2025309 PMAQI
29th Sep 20252510 PMAQI
29th Sep 20253211 PMAQI
30th Sep 20254012 AMAQI
30th Sep 2025401 AMAQI
30th Sep 2025402 AMAQI
30th Sep 2025353 AMAQI
30th Sep 2025304 AMAQI
30th Sep 2025395 AMAQI
22°C15/32°C
30th Sep 2025316 AMAQI
30th Sep 2025347 AMAQI
30th Sep 2025388 AMAQI
30th Sep 2025369 AMAQI
30th Sep 20253010 AMAQI
30th Sep 20252711 AMAQI
30th Sep 20252912 PMAQI
30th Sep 2025321 PMAQI
30th Sep 2025362 PMAQI
30th Sep 2025343 PMAQI
30th Sep 2025264 PMAQI
30th Sep 2025295 PMAQI
30th Sep 2025326 PMAQI
30th Sep 2025327 PMAQI
30th Sep 2025318 PMAQI
30th Sep 2025339 PMAQI
30th Sep 20254310 PMAQI
30th Sep 20254611 PMAQI
1st Oct 20254612 AMAQI
1st Oct 2025461 AMAQI
1st Oct 2025462 AMAQI
1st Oct 2025473 AMAQI
1st Oct 2025374 AMAQI
1st Oct 2025395 AMAQI
21°C13/28°C
1st Oct 2025416 AMAQI
1st Oct 2025387 AMAQI
1st Oct 2025348 AMAQI
1st Oct 2025339 AMAQI
1st Oct 20253410 AMAQI
1st Oct 20253411 AMAQI
1st Oct 20253612 PMAQI
1st Oct 2025361 PMAQI
1st Oct 2025372 PMAQI
1st Oct 2025333 PMAQI
1st Oct 2025334 PMAQI
1st Oct 2025315 PMAQI
1st Oct 2025276 PMAQI
1st Oct 2025287 PMAQI
1st Oct 2025318 PMAQI
1st Oct 2025379 PMAQI
1st Oct 20253810 PMAQI
1st Oct 20252911 PMAQI
2nd Oct 20254112 AMAQI
2nd Oct 2025461 AMAQI
2nd Oct 2025402 AMAQI
2nd Oct 2025383 AMAQI
2nd Oct 2025384 AMAQI
2nd Oct 2025435 AMAQI
22°C14/31°C
2nd Oct 2025296 AMAQI
2nd Oct 2025387 AMAQI
2nd Oct 2025328 AMAQI
2nd Oct 2025369 AMAQI
2nd Oct 20254010 AMAQI
2nd Oct 20254111 AMAQI
2nd Oct 20253112 PMAQI
2nd Oct 2025341 PMAQI
2nd Oct 2025312 PMAQI
2nd Oct 2025283 PMAQI
2nd Oct 2025234 PMAQI
2nd Oct 2025315 PMAQI
2nd Oct 2025216 PMAQI
2nd Oct 2025217 PMAQI
2nd Oct 2025298 PMAQI
2nd Oct 2025369 PMAQI
2nd Oct 20253010 PMAQI
2nd Oct 20254311 PMAQI
3rd Oct 20253912 AMAQI
3rd Oct 2025361 AMAQI
3rd Oct 2025322 AMAQI
3rd Oct 2025303 AMAQI
3rd Oct 2025274 AMAQI
3rd Oct 2025325 AMAQI
22°C14/32°C
3rd Oct 2025436 AMAQI
3rd Oct 2025437 AMAQI
3rd Oct 2025358 AMAQI
3rd Oct 2025429 AMAQI
3rd Oct 20254510 AMAQI
3rd Oct 20254911 AMAQI
3rd Oct 20254612 PMAQI
3rd Oct 2025381 PMAQI
3rd Oct 2025282 PMAQI
3rd Oct 2025383 PMAQI
3rd Oct 2025384 PMAQI
3rd Oct 2025365 PMAQI
3rd Oct 2025286 PMAQI
3rd Oct 2025297 PMAQI
3rd Oct 2025318 PMAQI
3rd Oct 2025399 PMAQI
3rd Oct 20254310 PMAQI
3rd Oct 20254411 PMAQI
4th Oct 20255112 AMAQI
4th Oct 2025361 AMAQI
4th Oct 2025392 AMAQI
4th Oct 2025403 AMAQI
4th Oct 2025394 AMAQI
4th Oct 2025395 AMAQI
18°C13/25°C
4th Oct 2025466 AMAQI
4th Oct 2025477 AMAQI
4th Oct 2025548 AMAQI
4th Oct 2025399 AMAQI
4th Oct 20254810 AMAQI
4th Oct 20253911 AMAQI
4th Oct 20254812 PMAQI
4th Oct 2025461 PMAQI
4th Oct 2025352 PMAQI
4th Oct 2025393 PMAQI
4th Oct 2025444 PMAQI
4th Oct 2025475 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025497 PMAQI
4th Oct 2025508 PMAQI
4th Oct 2025509 PMAQI
4th Oct 20255210 PMAQI
4th Oct 20255411 PMAQI
5th Oct 20255612 AMAQI
5th Oct 2025591 AMAQI
5th Oct 2025592 AMAQI
5th Oct 2025573 AMAQI
5th Oct 2025594 AMAQI
5th Oct 2025615 AMAQI
18°C9/28°C
5th Oct 2025646 AMAQI
5th Oct 2025667 AMAQI
5th Oct 2025618 AMAQI
5th Oct 2025589 AMAQI
5th Oct 20256110 AMAQI
5th Oct 20256311 AMAQI
5th Oct 20257012 PMAQI
5th Oct 2025661 PMAQI
5th Oct 2025562 PMAQI
5th Oct 2025483 PMAQI
5th Oct 2025444 PMAQI
5th Oct 2025405 PMAQI
5th Oct 2025416 PMAQI
5th Oct 2025407 PMAQI
5th Oct 2025398 PMAQI
5th Oct 2025459 PMAQI
5th Oct 20255110 PMAQI
5th Oct 20255311 PMAQI
6th Oct 20255312 AMAQI
6th Oct 2025521 AMAQI
6th Oct 2025532 AMAQI
6th Oct 2025553 AMAQI
6th Oct 2025634 AMAQI
6th Oct 2025615 AMAQI
19°C10/29°C
6th Oct 2025536 AMAQI
6th Oct 2025547 AMAQI
6th Oct 2025528 AMAQI
6th Oct 2025579 AMAQI
6th Oct 20255910 AMAQI
6th Oct 20256811 AMAQI
6th Oct 20256912 PMAQI
6th Oct 2025621 PMAQI
7th Oct 2025374 AMAQI
7th Oct 2025385 AMAQI
20°C10/32°C
7th Oct 2025406 AMAQI
7th Oct 2025467 AMAQI
7th Oct 2025468 AMAQI
7th Oct 2025509 AMAQI
7th Oct 20254710 AMAQI
7th Oct 20254911 AMAQI
7th Oct 20254412 PMAQI
7th Oct 2025531 PMAQI
7th Oct 2025532 PMAQI
7th Oct 2025543 PMAQI
7th Oct 2025524 PMAQI
7th Oct 2025495 PMAQI
7th Oct 2025496 PMAQI
7th Oct 2025437 PMAQI
7th Oct 2025408 PMAQI
7th Oct 2025399 PMAQI
7th Oct 20253910 PMAQI
7th Oct 20253911 PMAQI
8th Oct 20254112 AMAQI
8th Oct 2025331 AMAQI
8th Oct 2025362 AMAQI
8th Oct 2025403 AMAQI
8th Oct 2025434 AMAQI
8th Oct 2025455 AMAQI
21°C10/33°C
8th Oct 2025396 AMAQI
8th Oct 2025377 AMAQI
8th Oct 2025378 AMAQI
8th Oct 2025349 AMAQI
8th Oct 20254110 AMAQI
8th Oct 20254511 AMAQI
8th Oct 20254312 PMAQI
8th Oct 2025401 PMAQI
8th Oct 2025362 PMAQI
8th Oct 2025373 PMAQI
8th Oct 2025404 PMAQI
8th Oct 2025395 PMAQI
8th Oct 2025416 PMAQI
8th Oct 2025417 PMAQI
8th Oct 2025408 PMAQI
8th Oct 2025389 PMAQI
8th Oct 20254110 PMAQI
8th Oct 20254611 PMAQI
9th Oct 20255012 AMAQI
9th Oct 2025471 AMAQI
9th Oct 2025402 AMAQI
9th Oct 2025383 AMAQI
9th Oct 2025354 AMAQI
9th Oct 2025325 AMAQI
20°C10/32°C
9th Oct 2025306 AMAQI
9th Oct 2025307 AMAQI
9th Oct 2025358 AMAQI
9th Oct 2025439 AMAQI
9th Oct 20254610 AMAQI
9th Oct 20253911 AMAQI
9th Oct 20254012 PMAQI
9th Oct 2025381 PMAQI
9th Oct 2025372 PMAQI
9th Oct 2025383 PMAQI
9th Oct 2025364 PMAQI
9th Oct 2025375 PMAQI
9th Oct 2025456 PMAQI
9th Oct 2025427 PMAQI
9th Oct 2025328 PMAQI
9th Oct 2025329 PMAQI
9th Oct 20253110 PMAQI
9th Oct 20253911 PMAQI
10th Oct 20254212 AMAQI
10th Oct 2025461 AMAQI
10th Oct 2025482 AMAQI
10th Oct 2025443 AMAQI
10th Oct 2025374 AMAQI
10th Oct 2025335 AMAQI
21°C11/33°C
10th Oct 2025416 AMAQI
10th Oct 2025427 AMAQI
10th Oct 2025458 AMAQI
10th Oct 2025449 AMAQI
10th Oct 20254110 AMAQI
10th Oct 20254811 AMAQI
10th Oct 20254612 PMAQI
10th Oct 2025491 PMAQI
10th Oct 2025362 PMAQI
10th Oct 2025283 PMAQI
10th Oct 2025244 PMAQI
10th Oct 2025205 PMAQI
10th Oct 2025236 PMAQI
10th Oct 2025237 PMAQI
10th Oct 2025238 PMAQI
10th Oct 2025239 PMAQI
10th Oct 20253210 PMAQI
10th Oct 20253411 PMAQI
11th Oct 20254312 AMAQI
11th Oct 2025481 AMAQI
11th Oct 2025472 AMAQI
11th Oct 2025513 AMAQI
11th Oct 2025524 AMAQI
11th Oct 2025535 AMAQI
23°C16/34°C
11th Oct 2025526 AMAQI
11th Oct 2025667 AMAQI
11th Oct 2025588 AMAQI
11th Oct 2025559 AMAQI
11th Oct 20256910 AMAQI
11th Oct 20258911 AMAQI
11th Oct 20259612 PMAQI
11th Oct 2025681 PMAQI
11th Oct 2025472 PMAQI
11th Oct 2025493 PMAQI
11th Oct 2025454 PMAQI
11th Oct 2025355 PMAQI
11th Oct 2025426 PMAQI
11th Oct 2025477 PMAQI
11th Oct 2025388 PMAQI
11th Oct 2025369 PMAQI
11th Oct 20254010 PMAQI
11th Oct 20254211 PMAQI
12th Oct 20254412 AMAQI
12th Oct 2025471 AMAQI
12th Oct 2025462 AMAQI
12th Oct 2025463 AMAQI
12th Oct 2025474 AMAQI
12th Oct 2025485 AMAQI
19°C12/26°C
12th Oct 2025496 AMAQI
12th Oct 2025367 AMAQI
12th Oct 2025318 AMAQI
12th Oct 2025309 AMAQI
12th Oct 20252810 AMAQI
12th Oct 20253011 AMAQI
12th Oct 20253012 PMAQI
12th Oct 2025311 PMAQI
12th Oct 2025342 PMAQI
12th Oct 2025363 PMAQI
12th Oct 2025364 PMAQI
12th Oct 2025335 PMAQI
12th Oct 2025376 PMAQI
12th Oct 2025367 PMAQI
12th Oct 2025298 PMAQI
12th Oct 2025389 PMAQI
12th Oct 20252810 PMAQI
12th Oct 20253511 PMAQI
13th Oct 20253512 AMAQI
13th Oct 2025351 AMAQI
13th Oct 2025362 AMAQI
13th Oct 2025413 AMAQI
13th Oct 2025424 AMAQI
13th Oct 2025405 AMAQI
17°C9/28°C
13th Oct 2025396 AMAQI
13th Oct 2025407 AMAQI
13th Oct 2025408 AMAQI
13th Oct 2025419 AMAQI
13th Oct 20254110 AMAQI
13th Oct 20253611 AMAQI
13th Oct 20253712 PMAQI
13th Oct 2025411 PMAQI
13th Oct 2025422 PMAQI
13th Oct 2025423 PMAQI
13th Oct 2025434 PMAQI
13th Oct 2025455 PMAQI
13th Oct 2025426 PMAQI
13th Oct 2025437 PMAQI
13th Oct 2025418 PMAQI
13th Oct 2025389 PMAQI
13th Oct 20253410 PMAQI
13th Oct 20253311 PMAQI
14th Oct 20253512 AMAQI
14th Oct 2025351 AMAQI
14th Oct 2025312 AMAQI
14th Oct 2025313 AMAQI
14th Oct 2025344 AMAQI
14th Oct 2025335 AMAQI
15°C10/22°C
14th Oct 2025286 AMAQI
14th Oct 2025247 AMAQI
14th Oct 2025168 AMAQI
14th Oct 2025179 AMAQI
14th Oct 20252410 AMAQI
14th Oct 20252411 AMAQI
14th Oct 20252312 PMAQI
14th Oct 2025271 PMAQI
14th Oct 2025312 PMAQI
14th Oct 2025323 PMAQI
14th Oct 2025324 PMAQI
14th Oct 2025265 PMAQI
14th Oct 2025256 PMAQI
14th Oct 2025207 PMAQI
14th Oct 2025218 PMAQI
14th Oct 2025269 PMAQI
14th Oct 20251710 PMAQI
14th Oct 20251611 PMAQI
15th Oct 20253012 AMAQI
15th Oct 2025341 AMAQI
15th Oct 2025382 AMAQI
15th Oct 2025313 AMAQI
15th Oct 2025404 AMAQI
15th Oct 2025365 AMAQI
11°C9/12°C
15th Oct 2025246 AMAQI
15th Oct 2025307 AMAQI
15th Oct 2025388 AMAQI
15th Oct 2025289 AMAQI
15th Oct 20252510 AMAQI
15th Oct 20253211 AMAQI
15th Oct 20255012 PMAQI
15th Oct 2025321 PMAQI
15th Oct 2025312 PMAQI
15th Oct 2025293 PMAQI
15th Oct 2025334 PMAQI
15th Oct 2025255 PMAQI
15th Oct 2025256 PMAQI
15th Oct 2025227 PMAQI
15th Oct 2025188 PMAQI
15th Oct 2025179 PMAQI
15th Oct 20253010 PMAQI
15th Oct 20252411 PMAQI
16th Oct 20253012 AMAQI
16th Oct 2025351 AMAQI
16th Oct 2025322 AMAQI
16th Oct 2025313 AMAQI
16th Oct 2025324 AMAQI
16th Oct 2025235 AMAQI
12°C6/19°C
16th Oct 2025226 AMAQI
16th Oct 2025267 AMAQI
16th Oct 2025358 AMAQI
16th Oct 2025339 AMAQI
16th Oct 20252310 AMAQI
16th Oct 20252911 AMAQI
16th Oct 20253912 PMAQI
16th Oct 2025421 PMAQI
16th Oct 2025272 PMAQI
16th Oct 2025273 PMAQI
16th Oct 2025274 PMAQI
16th Oct 2025245 PMAQI
16th Oct 2025306 PMAQI
16th Oct 2025337 PMAQI
16th Oct 2025208 PMAQI
16th Oct 2025259 PMAQI
16th Oct 20252910 PMAQI
16th Oct 20252411 PMAQI
17th Oct 20252912 AMAQI
17th Oct 2025341 AMAQI
17th Oct 2025352 AMAQI
17th Oct 2025353 AMAQI
17th Oct 2025374 AMAQI
17th Oct 2025365 AMAQI
13°C5/22°C
17th Oct 2025326 AMAQI
17th Oct 2025317 AMAQI
17th Oct 2025348 AMAQI
17th Oct 2025369 AMAQI
17th Oct 20253910 AMAQI
17th Oct 20254311 AMAQI
17th Oct 20253812 PMAQI
17th Oct 2025351 PMAQI
17th Oct 2025232 PMAQI
17th Oct 2025163 PMAQI
17th Oct 2025174 PMAQI
17th Oct 2025165 PMAQI
17th Oct 2025146 PMAQI
17th Oct 2025197 PMAQI
17th Oct 2025278 PMAQI
17th Oct 2025359 PMAQI
17th Oct 20255210 PMAQI
17th Oct 20255311 PMAQI
18th Oct 20255412 AMAQI
18th Oct 2025581 AMAQI
18th Oct 2025502 AMAQI
18th Oct 2025483 AMAQI
18th Oct 2025464 AMAQI
18th Oct 2025465 AMAQI
15°C6/27°C
18th Oct 2025486 AMAQI
18th Oct 2025547 AMAQI
18th Oct 2025568 AMAQI
18th Oct 2025569 AMAQI
18th Oct 20255710 AMAQI
18th Oct 20255811 AMAQI
18th Oct 20255812 PMAQI
18th Oct 2025511 PMAQI
18th Oct 2025352 PMAQI
18th Oct 2025313 PMAQI
18th Oct 2025424 PMAQI
18th Oct 2025375 PMAQI
18th Oct 2025286 PMAQI
18th Oct 2025417 PMAQI
18th Oct 2025318 PMAQI
18th Oct 2025439 PMAQI
18th Oct 20254110 PMAQI
18th Oct 20254611 PMAQI
19th Oct 20255612 AMAQI
19th Oct 2025561 AMAQI
19th Oct 2025552 AMAQI
19th Oct 2025583 AMAQI
19th Oct 2025584 AMAQI
19th Oct 2025575 AMAQI
17°C6/29°C
19th Oct 2025556 AMAQI
19th Oct 2025517 AMAQI
19th Oct 2025518 AMAQI
19th Oct 2025499 AMAQI
19th Oct 20254910 AMAQI
19th Oct 20254711 AMAQI
19th Oct 20254712 PMAQI
19th Oct 2025371 PMAQI
19th Oct 2025352 PMAQI
19th Oct 2025383 PMAQI
19th Oct 2025384 PMAQI
19th Oct 2025405 PMAQI
19th Oct 2025376 PMAQI
19th Oct 2025437 PMAQI
19th Oct 2025338 PMAQI
19th Oct 2025309 PMAQI
19th Oct 20253210 PMAQI
19th Oct 20254111 PMAQI
20th Oct 20254112 AMAQI
20th Oct 2025431 AMAQI
20th Oct 2025412 AMAQI
20th Oct 2025413 AMAQI
20th Oct 2025414 AMAQI
20th Oct 2025415 AMAQI
18°C9/31°C
20th Oct 2025396 AMAQI
20th Oct 2025377 AMAQI
20th Oct 2025368 AMAQI
20th Oct 2025349 AMAQI
20th Oct 20253810 AMAQI
20th Oct 20254011 AMAQI
20th Oct 20254412 PMAQI
20th Oct 2025301 PMAQI
20th Oct 2025182 PMAQI
20th Oct 2025263 PMAQI
20th Oct 2025234 PMAQI
20th Oct 2025325 PMAQI
20th Oct 2025446 PMAQI
20th Oct 2025347 PMAQI
20th Oct 2025308 PMAQI
20th Oct 2025419 PMAQI
20th Oct 20254210 PMAQI
20th Oct 20253711 PMAQI
21st Oct 20253812 AMAQI
21st Oct 2025391 AMAQI
21st Oct 2025362 AMAQI
21st Oct 2025373 AMAQI
21st Oct 2025344 AMAQI
21st Oct 2025295 AMAQI
19°C10/31°C
21st Oct 2025266 AMAQI
21st Oct 2025367 AMAQI
21st Oct 2025398 AMAQI
21st Oct 2025329 AMAQI
21st Oct 20254110 AMAQI
21st Oct 20254611 AMAQI
21st Oct 20255212 PMAQI
21st Oct 2025491 PMAQI
21st Oct 2025402 PMAQI
21st Oct 2025353 PMAQI
21st Oct 2025384 PMAQI
21st Oct 2025385 PMAQI
21st Oct 2025346 PMAQI
21st Oct 2025367 PMAQI
21st Oct 2025358 PMAQI
21st Oct 2025379 PMAQI
21st Oct 20254110 PMAQI
21st Oct 20254211 PMAQI
22nd Oct 20254312 AMAQI
22nd Oct 2025451 AMAQI
22nd Oct 2025482 AMAQI
22nd Oct 2025513 AMAQI
22nd Oct 2025504 AMAQI
22nd Oct 2025475 AMAQI
18°C7/30°C
22nd Oct 2025456 AMAQI
22nd Oct 2025447 AMAQI
22nd Oct 2025448 AMAQI
22nd Oct 2025429 AMAQI
22nd Oct 20253910 AMAQI
22nd Oct 20254011 AMAQI
22nd Oct 20254212 PMAQI
22nd Oct 2025361 PMAQI
22nd Oct 2025362 PMAQI
22nd Oct 2025353 PMAQI
22nd Oct 2025334 PMAQI
22nd Oct 2025345 PMAQI
22nd Oct 2025336 PMAQI
22nd Oct 2025277 PMAQI
22nd Oct 2025268 PMAQI
22nd Oct 2025249 PMAQI
22nd Oct 20252510 PMAQI
22nd Oct 20252411 PMAQI
23rd Oct 20252212 AMAQI
23rd Oct 2025251 AMAQI
23rd Oct 2025272 AMAQI
23rd Oct 2025283 AMAQI
23rd Oct 2025334 AMAQI
23rd Oct 2025365 AMAQI
19°C13/25°C
23rd Oct 2025346 AMAQI
23rd Oct 2025337 AMAQI
23rd Oct 2025398 AMAQI
23rd Oct 2025409 AMAQI
23rd Oct 20253810 AMAQI
23rd Oct 20253511 AMAQI
23rd Oct 20253412 PMAQI
23rd Oct 2025321 PMAQI
23rd Oct 2025282 PMAQI
23rd Oct 2025283 PMAQI
23rd Oct 2025294 PMAQI
23rd Oct 2025305 PMAQI
23rd Oct 2025306 PMAQI
23rd Oct 2025297 PMAQI
23rd Oct 2025328 PMAQI
23rd Oct 2025369 PMAQI
23rd Oct 20253610 PMAQI
23rd Oct 20253611 PMAQI
24th Oct 20253412 AMAQI
24th Oct 2025371 AMAQI
24th Oct 2025362 AMAQI
24th Oct 2025343 AMAQI
24th Oct 2025354 AMAQI
24th Oct 2025345 AMAQI
18°C10/30°C
24th Oct 2025336 AMAQI
24th Oct 2025327 AMAQI
24th Oct 2025368 AMAQI
24th Oct 2025429 AMAQI
24th Oct 20253810 AMAQI
24th Oct 20254311 AMAQI
24th Oct 20254912 PMAQI
24th Oct 2025491 PMAQI
24th Oct 2025452 PMAQI
24th Oct 2025413 PMAQI
24th Oct 2025384 PMAQI
24th Oct 2025385 PMAQI
24th Oct 2025386 PMAQI
24th Oct 2025367 PMAQI
24th Oct 2025358 PMAQI
24th Oct 2025359 PMAQI
24th Oct 20253910 PMAQI
24th Oct 20254311 PMAQI
25th Oct 20254212 AMAQI
25th Oct 2025431 AMAQI
25th Oct 2025422 AMAQI
25th Oct 2025443 AMAQI
25th Oct 2025484 AMAQI
25th Oct 2025475 AMAQI
19°C9/32°C
25th Oct 2025466 AMAQI
25th Oct 2025467 AMAQI
25th Oct 2025458 AMAQI
25th Oct 2025489 AMAQI
25th Oct 20255210 AMAQI
25th Oct 20255311 AMAQI
25th Oct 20255412 PMAQI
25th Oct 2025501 PMAQI
25th Oct 2025492 PMAQI
25th Oct 2025493 PMAQI
25th Oct 2025454 PMAQI
25th Oct 2025465 PMAQI
25th Oct 2025466 PMAQI
25th Oct 2025427 PMAQI
25th Oct 2025408 PMAQI
25th Oct 2025429 PMAQI
25th Oct 20254310 PMAQI
25th Oct 20254611 PMAQI
26th Oct 20255212 AMAQI
26th Oct 2025611 AMAQI
26th Oct 2025622 AMAQI
26th Oct 2025603 AMAQI
26th Oct 2025584 AMAQI
26th Oct 2025585 AMAQI
19°C9/30°C
26th Oct 2025606 AMAQI
6 AM26th Oct 2025617 AMAQI
12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
12 PM
44AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 44), while the lowest AQI was between 5 PM to 5 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 5 AM
41AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
8 PM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 41), while the lowest AQI was between 8 PM to 8 PM (Avg. 32).
2025 Days Vs Air Quality
Lancaster, California, United States
2025
92%
274
8%
24
Total number of days with different AQI categories in last 299 days in 2025 (66 days remaining)
Good
274 DaysModerate
24 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 299 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Lancaster, California, United States
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
45AQI
45AQI
2nd January 2025
37AQI
37AQI
3rd January 2025
42AQI
42AQI
4th January 2025
34AQI
34AQI
5th January 2025
35AQI
35AQI
6th January 2025
32AQI
32AQI
7th January 2025
29AQI
29AQI
8th January 2025
43AQI
43AQI
9th January 2025
41AQI
41AQI
10th January 2025
46AQI
46AQI
11th January 2025
47AQI
47AQI
12th January 2025
33AQI
33AQI
13th January 2025
28AQI
28AQI
14th January 2025
27AQI
27AQI
15th January 2025
30AQI
30AQI
16th January 2025
29AQI
29AQI
17th January 2025
33AQI
33AQI
18th January 2025
47AQI
47AQI
19th January 2025
47AQI
47AQI
20th January 2025
46AQI
46AQI
21st January 2025
31AQI
31AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
31AQI
31AQI
24th January 2025
31AQI
31AQI
25th January 2025
51AQI
51AQI
26th January 2025
28AQI
28AQI
27th January 2025
27AQI
27AQI
28th January 2025
34AQI
34AQI
29th January 2025
41AQI
41AQI
30th January 2025
49AQI
49AQI
31st January 2025
49AQI
49AQI
1st February 2025
42AQI
42AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
36AQI
36AQI
4th February 2025
33AQI
33AQI
5th February 2025
25AQI
25AQI
6th February 2025
25AQI
25AQI
7th February 2025
26AQI
26AQI
8th February 2025
27AQI
27AQI
9th February 2025
32AQI
32AQI
10th February 2025
36AQI
36AQI
11th February 2025
30AQI
30AQI
12th February 2025
26AQI
26AQI
13th February 2025
26AQI
26AQI
14th February 2025
29AQI
29AQI
15th February 2025
31AQI
31AQI
16th February 2025
32AQI
32AQI
17th February 2025
32AQI
32AQI
18th February 2025
32AQI
32AQI
19th February 2025
30AQI
30AQI
20th February 2025
34AQI
34AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
36AQI
36AQI
24th February 2025
39AQI
39AQI
25th February 2025
37AQI
37AQI
26th February 2025
35AQI
35AQI
27th February 2025
34AQI
34AQI
28th February 2025
30AQI
30AQI
1st March 2025
35AQI
35AQI
2nd March 2025
36AQI
36AQI
3rd March 2025
27AQI
27AQI
4th March 2025
29AQI
29AQI
5th March 2025
30AQI
30AQI
6th March 2025
27AQI
27AQI
7th March 2025
26AQI
26AQI
8th March 2025
29AQI
29AQI
9th March 2025
31AQI
31AQI
10th March 2025
31AQI
31AQI
11th March 2025
31AQI
31AQI
12th March 2025
27AQI
27AQI
13th March 2025
22AQI
22AQI
14th March 2025
21AQI
21AQI
15th March 2025
20AQI
20AQI
16th March 2025
33AQI
33AQI
17th March 2025
26AQI
26AQI
18th March 2025
18AQI
18AQI
19th March 2025
22AQI
22AQI
20th March 2025
24AQI
24AQI
21st March 2025
24AQI
24AQI
22nd March 2025
23AQI
23AQI
23rd March 2025
26AQI
26AQI
24th March 2025
24AQI
24AQI
25th March 2025
24AQI
24AQI
26th March 2025
30AQI
30AQI
27th March 2025
29AQI
29AQI
28th March 2025
34AQI
34AQI
29th March 2025
32AQI
32AQI
30th March 2025
30AQI
30AQI
31st March 2025
22AQI
22AQI
1st April 2025
23AQI
23AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
21AQI
21AQI
4th April 2025
23AQI
23AQI
5th April 2025
17AQI
17AQI
6th April 2025
20AQI
20AQI
7th April 2025
22AQI
22AQI
8th April 2025
32AQI
32AQI
9th April 2025
33AQI
33AQI
10th April 2025
37AQI
37AQI
11th April 2025
42AQI
42AQI
12th April 2025
33AQI
33AQI
13th April 2025
33AQI
33AQI
14th April 2025
33AQI
33AQI
15th April 2025
36AQI
36AQI
16th April 2025
44AQI
44AQI
17th April 2025
28AQI
28AQI
18th April 2025
26AQI
26AQI
19th April 2025
30AQI
30AQI
20th April 2025
28AQI
28AQI
21st April 2025
32AQI
32AQI
22nd April 2025
35AQI
35AQI
23rd April 2025
40AQI
40AQI
24th April 2025
37AQI
37AQI
25th April 2025
39AQI
39AQI
26th April 2025
23AQI
23AQI
27th April 2025
18AQI
18AQI
28th April 2025
20AQI
20AQI
29th April 2025
30AQI
30AQI
30th April 2025
35AQI
35AQI
1st May 2025
32AQI
32AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
41AQI
41AQI
4th May 2025
24AQI
24AQI
5th May 2025
36AQI
36AQI
6th May 2025
42AQI
42AQI
7th May 2025
26AQI
26AQI
8th May 2025
37AQI
37AQI
9th May 2025
35AQI
35AQI
10th May 2025
35AQI
35AQI
11th May 2025
28AQI
28AQI
12th May 2025
40AQI
40AQI
13th May 2025
28AQI
28AQI
14th May 2025
24AQI
24AQI
15th May 2025
29AQI
29AQI
16th May 2025
37AQI
37AQI
17th May 2025
47AQI
47AQI
18th May 2025
36AQI
36AQI
19th May 2025
35AQI
35AQI
20th May 2025
33AQI
33AQI
21st May 2025
42AQI
42AQI
22nd May 2025
47AQI
47AQI
23rd May 2025
48AQI
48AQI
24th May 2025
48AQI
48AQI
25th May 2025
44AQI
44AQI
26th May 2025
42AQI
42AQI
27th May 2025
42AQI
42AQI
28th May 2025
59AQI
59AQI
29th May 2025
51AQI
51AQI
30th May 2025
45AQI
45AQI
31st May 2025
41AQI
41AQI
1st June 2025
35AQI
35AQI
2nd June 2025
28AQI
28AQI
3rd June 2025
30AQI
30AQI
4th June 2025
36AQI
36AQI
5th June 2025
40AQI
40AQI
6th June 2025
43AQI
43AQI
7th June 2025
44AQI
44AQI
8th June 2025
39AQI
39AQI
9th June 2025
45AQI
45AQI
10th June 2025
47AQI
47AQI
11th June 2025
45AQI
45AQI
12th June 2025
41AQI
41AQI
13th June 2025
42AQI
42AQI
14th June 2025
41AQI
41AQI
15th June 2025
35AQI
35AQI
16th June 2025
37AQI
37AQI
17th June 2025
39AQI
39AQI
18th June 2025
37AQI
37AQI
19th June 2025
52AQI
52AQI
20th June 2025
49AQI
49AQI
21st June 2025
47AQI
47AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
42AQI
42AQI
24th June 2025
48AQI
48AQI
25th June 2025
44AQI
44AQI
26th June 2025
43AQI
43AQI
27th June 2025
44AQI
44AQI
28th June 2025
37AQI
37AQI
29th June 2025
34AQI
34AQI
30th June 2025
28AQI
28AQI
1st July 2025
41AQI
41AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
44AQI
44AQI
4th July 2025
48AQI
48AQI
5th July 2025
49AQI
49AQI
6th July 2025
35AQI
35AQI
7th July 2025
29AQI
29AQI
8th July 2025
38AQI
38AQI
9th July 2025
34AQI
34AQI
10th July 2025
39AQI
39AQI
11th July 2025
45AQI
45AQI
12th July 2025
54AQI
54AQI
13th July 2025
53AQI
53AQI
14th July 2025
54AQI
54AQI
15th July 2025
50AQI
50AQI
16th July 2025
35AQI
35AQI
17th July 2025
25AQI
25AQI
18th July 2025
33AQI
33AQI
19th July 2025
41AQI
41AQI
20th July 2025
42AQI
42AQI
21st July 2025
35AQI
35AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
26AQI
26AQI
24th July 2025
21AQI
21AQI
25th July 2025
19AQI
19AQI
26th July 2025
25AQI
25AQI
27th July 2025
27AQI
27AQI
28th July 2025
27AQI
27AQI
29th July 2025
34AQI
34AQI
30th July 2025
34AQI
34AQI
31st July 2025
32AQI
32AQI
1st August 2025
30AQI
30AQI
2nd August 2025
50AQI
50AQI
3rd August 2025
52AQI
52AQI
4th August 2025
45AQI
45AQI
5th August 2025
48AQI
48AQI
6th August 2025
54AQI
54AQI
7th August 2025
51AQI
51AQI
8th August 2025
53AQI
53AQI
9th August 2025
51AQI
51AQI
10th August 2025
55AQI
55AQI
11th August 2025
58AQI
58AQI
12th August 2025
52AQI
52AQI
13th August 2025
47AQI
47AQI
14th August 2025
48AQI
48AQI
15th August 2025
47AQI
47AQI
16th August 2025
42AQI
42AQI
17th August 2025
30AQI
30AQI
18th August 2025
28AQI
28AQI
19th August 2025
30AQI
30AQI
20th August 2025
38AQI
38AQI
21st August 2025
37AQI
37AQI
22nd August 2025
43AQI
43AQI
23rd August 2025
42AQI
42AQI
24th August 2025
48AQI
48AQI
25th August 2025
44AQI
44AQI
26th August 2025
37AQI
37AQI
27th August 2025
35AQI
35AQI
28th August 2025
30AQI
30AQI
29th August 2025
43AQI
43AQI
30th August 2025
49AQI
49AQI
31st August 2025
45AQI
45AQI
1st September 2025
34AQI
34AQI
2nd September 2025
33AQI
33AQI
3rd September 2025
25AQI
25AQI
4th September 2025
37AQI
37AQI
5th September 2025
33AQI
33AQI
6th September 2025
29AQI
29AQI
7th September 2025
23AQI
23AQI
8th September 2025
23AQI
23AQI
9th September 2025
23AQI
23AQI
10th September 2025
25AQI
25AQI
11th September 2025
27AQI
27AQI
12th September 2025
33AQI
33AQI
13th September 2025
44AQI
44AQI
14th September 2025
48AQI
48AQI
15th September 2025
40AQI
40AQI
16th September 2025
38AQI
38AQI
17th September 2025
34AQI
34AQI
18th September 2025
28AQI
28AQI
19th September 2025
21AQI
21AQI
20th September 2025
27AQI
27AQI
21st September 2025
31AQI
31AQI
22nd September 2025
30AQI
30AQI
23rd September 2025
33AQI
33AQI
24th September 2025
33AQI
33AQI
25th September 2025
38AQI
38AQI
26th September 2025
27AQI
27AQI
27th September 2025
22AQI
22AQI
28th September 2025
26AQI
26AQI
29th September 2025
44AQI
44AQI
30th September 2025
37AQI
37AQI
1st October 2025
45AQI
45AQI
2nd October 2025
37AQI
37AQI
3rd October 2025
42AQI
42AQI
4th October 2025
40AQI
40AQI
5th October 2025
49AQI
49AQI
6th October 2025
60AQI
60AQI
7th October 2025
55AQI
55AQI
8th October 2025
55AQI
55AQI
9th October 2025
50AQI
50AQI
10th October 2025
43AQI
43AQI
11th October 2025
61AQI
61AQI
12th October 2025
48AQI
48AQI
13th October 2025
51AQI
51AQI
14th October 2025
28AQI
28AQI
15th October 2025
26AQI
26AQI
16th October 2025
34AQI
34AQI
17th October 2025
38AQI
38AQI
18th October 2025
42AQI
42AQI
19th October 2025
44AQI
44AQI
20th October 2025
51AQI
51AQI
21st October 2025
51AQI
51AQI
22nd October 2025
44AQI
44AQI
23rd October 2025
42AQI
42AQI
24th October 2025
51AQI
51AQI
25th October 2025
61AQI
61AQI
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
37AQI
32AQI
27AQI
30AQI
38AQI
41AQI
37AQI
44AQI
32AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
30
1
28
31
30
29
2
29
1
28
3
23
8
30
16
9
274
24
Highest AQI recorded in
October46AQI
Lowest AQI recorded in
March27AQI
202440AQI
16
1
12
28
1
24
7
31
6
22
23
8
30
29
2
200
40
Highest AQI recorded in
September59AQI
Lowest AQI recorded in
March13AQI
202314AQI
3
31
34
Highest AQI recorded in
December15AQI
Lowest AQI recorded in
November10AQI
202240AQI
29
1
22
26
1
22
3
24
7
17
13
17
5
1
25
4
30
1
30
19
262
35
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
December34AQI
202141AQI
29
1
28
30
1
26
2
17
3
21
9
23
5
16
14
1
16
14
29
1
1
30
27
4
292
54
2
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
January32AQI
202051AQI
1
7
19
3
1
2
13
30
1
50
23
3
1
Highest AQI recorded in
September73AQI
Lowest AQI recorded in
November33AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
51AQILeast Polluted Year Recorded
2023(Avg.)
14AQILancaster's annual 2025 AQI (36) shows an average percentage change of 19.1% (worsened AQI) compared to previous years: 2020 (51), 2021 (41), 2022 (40), 2023 (14), 2024 (40).
