Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Lake Gregory, Crestline, 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+

August Air Quality Analysis

Lake Gregory, Crestline, California, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2021
87AQI
Lowest AQI recorded on
20th Aug 2023
23AQI

Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 45 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 10th Aug - 11th Aug 2025

Lake Gregory, Crestline, California, United States

AQI
Day
Night
.

5 AM10th Aug 2025

7 PM

4 AM11th Aug 2025

Day time
Avg. Highest Time
7AM10th Aug

60AQI

Avg. Lowest Time
8AM10th Aug

38AQI

Night time
Avg. Highest Time
11PM10th Aug

52AQI

Avg. Lowest Time
8PM10th Aug

47AQI

In the last 24 hours,

Lake Gregory's AQI reached its highest point of 60 at 7 AM during the Day, while the lowest point, 38, was recorded at 8 AM during the Day between 10th Aug and 11th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Lake Gregory, Crestline, California, United States

JulAug
12th - 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 - 11th11th
Day
Night
12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025538 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20255911 AMAQI
12th Jul 20255712 PMAQI
12th Jul 2025571 PMAQI
12th Jul 2025562 PMAQI
12th Jul 2025603 PMAQI
12th Jul 2025574 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025566 PMAQI
12th Jul 2025587 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025609 PMAQI
12th Jul 20257110 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20256312 AMAQI
13th Jul 2025651 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025554 AMAQI

25°C17/33°C

13th Jul 2025555 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025559 AMAQI
13th Jul 20255410 AMAQI
13th Jul 20255811 AMAQI
13th Jul 20256012 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025583 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025605 PMAQI
13th Jul 2025586 PMAQI
13th Jul 2025587 PMAQI
13th Jul 2025608 PMAQI
13th Jul 2025619 PMAQI
13th Jul 20256110 PMAQI
13th Jul 20255711 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025573 AMAQI
14th Jul 2025504 AMAQI

26°C19/35°C

14th Jul 2025455 AMAQI
14th Jul 2025486 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025539 AMAQI
14th Jul 20255810 AMAQI
14th Jul 20255411 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025541 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025533 PMAQI
14th Jul 2025544 PMAQI
14th Jul 2025545 PMAQI
14th Jul 2025566 PMAQI
14th Jul 2025567 PMAQI
14th Jul 2025548 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025594 AMAQI

27°C21/36°C

15th Jul 2025605 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025549 AMAQI
15th Jul 20255410 AMAQI
15th Jul 20255411 AMAQI
15th Jul 20255612 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025532 PMAQI
15th Jul 2025553 PMAQI
15th Jul 2025554 PMAQI
15th Jul 2025555 PMAQI
15th Jul 2025566 PMAQI
15th Jul 2025577 PMAQI
15th Jul 2025598 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255711 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025581 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025533 AMAQI
16th Jul 2025494 AMAQI

24°C15/33°C

16th Jul 2025505 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20254310 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20254112 PMAQI
16th Jul 2025431 PMAQI
16th Jul 2025412 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025517 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255110 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025424 AMAQI

23°C13/32°C

17th Jul 2025405 AMAQI
17th Jul 2025406 AMAQI
17th Jul 2025417 AMAQI
17th Jul 2025368 AMAQI
17th Jul 2025419 AMAQI
17th Jul 20254410 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025453 PMAQI
17th Jul 2025464 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025487 PMAQI
17th Jul 2025488 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025452 AMAQI
18th Jul 2025423 AMAQI
18th Jul 2025384 AMAQI

23°C15/34°C

18th Jul 2025285 AMAQI
18th Jul 2025346 AMAQI
18th Jul 2025337 AMAQI
18th Jul 2025348 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253112 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025376 PMAQI
18th Jul 2025377 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025402 AMAQI
19th Jul 2025413 AMAQI
19th Jul 2025424 AMAQI

21°C14/31°C

19th Jul 2025375 AMAQI
19th Jul 2025286 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025338 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20253312 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025382 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025375 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025439 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025382 AMAQI
20th Jul 2025363 AMAQI
20th Jul 2025324 AMAQI

22°C14/32°C

20th Jul 2025345 AMAQI
20th Jul 2025346 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025358 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20253310 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025365 PMAQI
20th Jul 2025376 PMAQI
20th Jul 2025367 PMAQI
20th Jul 2025378 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025484 AMAQI

24°C18/32°C

21st Jul 2025345 AMAQI
21st Jul 2025286 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025419 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20253912 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025443 PMAQI
21st Jul 2025444 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025496 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254510 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254312 AMAQI
22nd Jul 2025431 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025443 AMAQI
22nd Jul 2025354 AMAQI

21°C11/30°C

22nd Jul 2025415 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025357 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025494 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025456 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025448 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254510 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254012 AMAQI
23rd Jul 2025411 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025333 AMAQI
23rd Jul 2025244 AMAQI

19°C12/29°C

23rd Jul 2025265 AMAQI
23rd Jul 2025216 AMAQI
23rd Jul 2025247 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025261 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025293 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025317 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025319 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025413 AMAQI
24th Jul 2025344 AMAQI

22°C14/31°C

24th Jul 2025335 AMAQI
24th Jul 2025376 AMAQI
24th Jul 2025287 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025319 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025231 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025293 PMAQI
24th Jul 2025294 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025308 PMAQI
24th Jul 2025319 PMAQI
24th Jul 20253510 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20253312 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025283 AMAQI
25th Jul 2025204 AMAQI

21°C12/32°C

25th Jul 2025205 AMAQI
25th Jul 2025236 AMAQI
25th Jul 2025247 AMAQI
25th Jul 2025268 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252310 AMAQI
25th Jul 20252111 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025293 PMAQI
25th Jul 2025274 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025268 PMAQI
25th Jul 2025269 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025261 AMAQI
26th Jul 2025262 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025234 AMAQI

19°C10/30°C

26th Jul 2025275 AMAQI
26th Jul 2025236 AMAQI
26th Jul 2025267 AMAQI
26th Jul 2025248 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20252410 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252112 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025272 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025274 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025269 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025263 AMAQI
27th Jul 2025244 AMAQI

19°C9/29°C

27th Jul 2025245 AMAQI
27th Jul 2025256 AMAQI
27th Jul 2025247 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025489 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025211 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025293 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025305 PMAQI
27th Jul 2025306 PMAQI
27th Jul 2025297 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025312 AMAQI
28th Jul 2025333 AMAQI
28th Jul 2025314 AMAQI

22°C16/31°C

28th Jul 2025315 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025337 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025381 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025354 PMAQI
28th Jul 2025375 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025357 PMAQI
28th Jul 2025368 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025372 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025284 AMAQI

23°C15/32°C

29th Jul 2025355 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025337 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20252812 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025333 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025335 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025357 PMAQI
29th Jul 2025358 PMAQI
29th Jul 2025359 PMAQI
29th Jul 20253510 PMAQI
29th Jul 20253611 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025311 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025313 AMAQI
30th Jul 2025284 AMAQI

24°C13/36°C

30th Jul 2025225 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025287 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252511 AMAQI
30th Jul 20252512 PMAQI
30th Jul 2025291 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025321 AMAQI
31st Jul 2025302 AMAQI
31st Jul 2025443 AMAQI
31st Jul 2025244 AMAQI

23°C14/35°C

31st Jul 2025195 AMAQI
31st Jul 2025206 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025298 AMAQI
31st Jul 2025299 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20253611 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025321 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025343 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025336 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025388 PMAQI
31st Jul 2025429 PMAQI
31st Jul 20254610 PMAQI
31st Jul 20254611 PMAQI
1st Aug 20254112 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025272 AMAQI
1st Aug 2025283 AMAQI
1st Aug 2025254 AMAQI

24°C15/35°C

1st Aug 2025225 AMAQI
1st Aug 2025246 AMAQI
1st Aug 2025257 AMAQI
1st Aug 2025268 AMAQI
1st Aug 2025289 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20253411 AMAQI
1st Aug 20253312 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025292 PMAQI
1st Aug 2025353 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025395 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025328 PMAQI
1st Aug 2025339 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025211 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025173 AMAQI
2nd Aug 2025204 AMAQI

25°C16/35°C

2nd Aug 2025185 AMAQI
2nd Aug 2025196 AMAQI
2nd Aug 2025197 AMAQI
2nd Aug 2025198 AMAQI
2nd Aug 2025199 AMAQI
2nd Aug 20252210 AMAQI
2nd Aug 20252311 AMAQI
2nd Aug 20252212 PMAQI
2nd Aug 2025251 PMAQI
2nd Aug 2025322 PMAQI
2nd Aug 2025363 PMAQI
2nd Aug 2025404 PMAQI
2nd Aug 2025495 PMAQI
2nd Aug 2025476 PMAQI
2nd Aug 2025277 PMAQI
2nd Aug 2025308 PMAQI
2nd Aug 2025449 PMAQI
2nd Aug 20254310 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20253912 AMAQI
3rd Aug 2025421 AMAQI
3rd Aug 2025432 AMAQI
3rd Aug 2025503 AMAQI
3rd Aug 2025464 AMAQI

27°C19/35°C

3rd Aug 2025465 AMAQI
3rd Aug 2025346 AMAQI
3rd Aug 2025337 AMAQI
3rd Aug 2025418 AMAQI
3rd Aug 2025439 AMAQI
3rd Aug 20255010 AMAQI
3rd Aug 20254911 AMAQI
3rd Aug 20254512 PMAQI
3rd Aug 2025461 PMAQI
3rd Aug 2025512 PMAQI
3rd Aug 2025553 PMAQI
3rd Aug 2025564 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025447 PMAQI
3rd Aug 2025528 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255410 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255912 AMAQI
4th Aug 2025631 AMAQI
4th Aug 2025622 AMAQI
4th Aug 2025543 AMAQI
4th Aug 2025564 AMAQI

25°C16/35°C

4th Aug 2025565 AMAQI
4th Aug 2025536 AMAQI
4th Aug 2025497 AMAQI
4th Aug 2025538 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20256411 AMAQI
4th Aug 20256612 PMAQI
4th Aug 2025691 PMAQI
4th Aug 2025602 PMAQI
4th Aug 2025603 PMAQI
4th Aug 2025594 PMAQI
4th Aug 2025575 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025507 PMAQI
4th Aug 2025478 PMAQI
4th Aug 2025409 PMAQI
4th Aug 20254910 PMAQI
4th Aug 20255211 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025611 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025504 AMAQI

24°C17/34°C

5th Aug 2025515 AMAQI
5th Aug 2025576 AMAQI
5th Aug 2025597 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025649 AMAQI
5th Aug 20256510 AMAQI
5th Aug 20256611 AMAQI
5th Aug 20256312 PMAQI
5th Aug 2025661 PMAQI
5th Aug 2025602 PMAQI
5th Aug 2025553 PMAQI
5th Aug 2025574 PMAQI
5th Aug 2025555 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025567 PMAQI
5th Aug 2025588 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255410 PMAQI
5th Aug 20255811 PMAQI
6th Aug 20255912 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025522 AMAQI
6th Aug 2025533 AMAQI
6th Aug 2025504 AMAQI

25°C16/36°C

6th Aug 2025545 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025567 AMAQI
6th Aug 2025628 AMAQI
6th Aug 2025669 AMAQI
6th Aug 20255810 AMAQI
6th Aug 20255811 AMAQI
6th Aug 20255812 PMAQI
6th Aug 2025621 PMAQI
6th Aug 2025642 PMAQI
6th Aug 2025623 PMAQI
6th Aug 2025644 PMAQI
6th Aug 2025575 PMAQI
6th Aug 2025586 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025578 PMAQI
6th Aug 2025639 PMAQI
6th Aug 20256110 PMAQI
6th Aug 20255911 PMAQI
7th Aug 20255712 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025493 AMAQI
7th Aug 2025334 AMAQI

27°C17/38°C

7th Aug 2025265 AMAQI
7th Aug 2025286 AMAQI
7th Aug 2025417 AMAQI
7th Aug 2025378 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20254410 AMAQI
7th Aug 20255111 AMAQI
7th Aug 20254712 PMAQI
7th Aug 2025411 PMAQI
7th Aug 2025402 PMAQI
7th Aug 2025413 PMAQI
7th Aug 2025424 PMAQI
7th Aug 2025465 PMAQI
7th Aug 2025426 PMAQI
7th Aug 2025457 PMAQI
7th Aug 2025468 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20254810 PMAQI
7th Aug 20254411 PMAQI
8th Aug 20254312 AMAQI
8th Aug 2025421 AMAQI
8th Aug 2025412 AMAQI
8th Aug 2025413 AMAQI
8th Aug 2025384 AMAQI

29°C20/40°C

8th Aug 2025425 AMAQI
8th Aug 2025446 AMAQI
8th Aug 2025407 AMAQI
8th Aug 2025428 AMAQI
8th Aug 2025419 AMAQI
8th Aug 20254210 AMAQI
8th Aug 20254211 AMAQI
8th Aug 20254612 PMAQI
8th Aug 2025441 PMAQI
8th Aug 2025422 PMAQI
8th Aug 2025443 PMAQI
8th Aug 2025404 PMAQI
8th Aug 2025425 PMAQI
8th Aug 2025436 PMAQI
8th Aug 2025437 PMAQI
8th Aug 2025438 PMAQI
8th Aug 2025489 PMAQI
8th Aug 20254610 PMAQI
8th Aug 20254811 PMAQI
9th Aug 20254512 AMAQI
9th Aug 2025441 AMAQI
9th Aug 2025402 AMAQI
9th Aug 2025363 AMAQI
9th Aug 2025284 AMAQI

29°C21/39°C

9th Aug 2025255 AMAQI
9th Aug 2025296 AMAQI
9th Aug 2025247 AMAQI
9th Aug 2025268 AMAQI
9th Aug 2025289 AMAQI
9th Aug 20253010 AMAQI
9th Aug 20253311 AMAQI
9th Aug 20253312 PMAQI
9th Aug 2025401 PMAQI
9th Aug 2025362 PMAQI
9th Aug 2025343 PMAQI
9th Aug 2025374 PMAQI
9th Aug 2025435 PMAQI
9th Aug 2025466 PMAQI
9th Aug 2025437 PMAQI
9th Aug 2025378 PMAQI
9th Aug 2025379 PMAQI
9th Aug 20253810 PMAQI
9th Aug 20253811 PMAQI
10th Aug 20253712 AMAQI
10th Aug 2025351 AMAQI
10th Aug 2025382 AMAQI
10th Aug 2025353 AMAQI
10th Aug 2025344 AMAQI

28°C19/39°C

10th Aug 2025485 AMAQI
10th Aug 2025506 AMAQI
10th Aug 2025607 AMAQI
10th Aug 2025388 AMAQI
10th Aug 2025529 AMAQI
10th Aug 20254410 AMAQI
10th Aug 20254511 AMAQI
10th Aug 20254812 PMAQI
10th Aug 2025471 PMAQI
10th Aug 2025462 PMAQI
10th Aug 2025453 PMAQI
10th Aug 2025444 PMAQI
10th Aug 2025495 PMAQI
10th Aug 2025506 PMAQI
10th Aug 2025447 PMAQI
10th Aug 2025478 PMAQI
10th Aug 2025499 PMAQI
10th Aug 20255010 PMAQI
10th Aug 20255211 PMAQI
11th Aug 20255012 AMAQI
11th Aug 2025521 AMAQI
11th Aug 2025512 AMAQI
11th Aug 2025503 AMAQI
11th Aug 2025504 AMAQI

29°C20/38°C

11th Aug 2025485 AMAQI
5 AM
11th Aug 2025496 AMAQI
11th Aug 2025487 AMAQI
11th Aug 2025528 AMAQI
11th Aug 2025529 AMAQI
11th Aug 20255610 AMAQI
11th Aug 20255511 AMAQI
11th Aug 20255412 PMAQI
12 PM
11th Aug 2025551 PMAQI
11th Aug 2025542 PMAQI
11th Aug 2025523 PMAQI
11th Aug 2025504 PMAQI
11th Aug 2025525 PMAQI
11th Aug 2025506 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 PM

40AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM

40AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 40), while the lowest AQI was between 5 AM to 7 PM (Avg. 40).
Night time
Avg. Highest Time
12 AM - 3 AM

43AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM

38AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 43), while the lowest AQI was between 4 AM to 4 AM (Avg. 38).

2025 Days Vs Air Quality

Lake Gregory, Crestline, California, United States

2025

84%

187

16%

35

Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)

Good
187 Days
Moderate
35 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 84%

Health Risk Level:

Low

In 2025, 84% of 223 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

Lake Gregory, Crestline, 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.

1st January 2025
60AQI
2nd January 2025
45AQI
3rd January 2025
46AQI
4th January 2025
45AQI
5th January 2025
44AQI
6th January 2025
44AQI
7th January 2025
48AQI
8th January 2025
52AQI
9th January 2025
50AQI
10th January 2025
60AQI
11th January 2025
54AQI
12th January 2025
38AQI
13th January 2025
42AQI
14th January 2025
40AQI
15th January 2025
52AQI
16th January 2025
56AQI
17th January 2025
56AQI
18th January 2025
64AQI
19th January 2025
63AQI
20th January 2025
53AQI
21st January 2025
38AQI
22nd January 2025
44AQI
23rd January 2025
38AQI
24th January 2025
48AQI
25th January 2025
61AQI
26th January 2025
41AQI
27th January 2025
39AQI
28th January 2025
55AQI
29th January 2025
58AQI
30th January 2025
67AQI
31st January 2025
56AQI
1st February 2025
62AQI
2nd February 2025
55AQI
3rd February 2025
41AQI
4th February 2025
48AQI
5th February 2025
32AQI
6th February 2025
30AQI
7th February 2025
33AQI
8th February 2025
36AQI
9th February 2025
47AQI
10th February 2025
42AQI
11th February 2025
40AQI
12th February 2025
36AQI
13th February 2025
24AQI
14th February 2025
24AQI
15th February 2025
24AQI
16th February 2025
25AQI
17th February 2025
32AQI
18th February 2025
24AQI
19th February 2025
30AQI
20th February 2025
27AQI
21st February 2025
18AQI
22nd February 2025
19AQI
23rd February 2025
25AQI
24th February 2025
20AQI
25th February 2025
19AQI
26th February 2025
23AQI
27th February 2025
26AQI
28th February 2025
26AQI
1st March 2025
26AQI
2nd March 2025
24AQI
3rd March 2025
26AQI
4th March 2025
22AQI
5th March 2025
24AQI
6th March 2025
25AQI
7th March 2025
23AQI
8th March 2025
20AQI
9th March 2025
28AQI
10th March 2025
24AQI
11th March 2025
21AQI
12th March 2025
18AQI
13th March 2025
23AQI
14th March 2025
33AQI
15th March 2025
30AQI
16th March 2025
42AQI
17th March 2025
38AQI
18th March 2025
37AQI
19th March 2025
27AQI
20th March 2025
37AQI
21st March 2025
37AQI
22nd March 2025
46AQI
23rd March 2025
33AQI
24th March 2025
29AQI
25th March 2025
29AQI
26th March 2025
33AQI
27th March 2025
46AQI
28th March 2025
35AQI
29th March 2025
38AQI
30th March 2025
38AQI
31st March 2025
32AQI
1st April 2025
42AQI
2nd April 2025
37AQI
3rd April 2025
35AQI
4th April 2025
29AQI
5th April 2025
28AQI
6th April 2025
29AQI
7th April 2025
28AQI
8th April 2025
32AQI
9th April 2025
34AQI
10th April 2025
35AQI
11th April 2025
37AQI
12th April 2025
34AQI
13th April 2025
38AQI
14th April 2025
42AQI
15th April 2025
41AQI
16th April 2025
37AQI
17th April 2025
44AQI
18th April 2025
59AQI
19th April 2025
44AQI
20th April 2025
48AQI
21st April 2025
36AQI
22nd April 2025
40AQI
23rd April 2025
48AQI
24th April 2025
43AQI
25th April 2025
39AQI
26th April 2025
26AQI
27th April 2025
33AQI
28th April 2025
34AQI
29th April 2025
36AQI
30th April 2025
37AQI
1st May 2025
36AQI
2nd May 2025
31AQI
3rd May 2025
38AQI
4th May 2025
26AQI
5th May 2025
26AQI
6th May 2025
35AQI
7th May 2025
24AQI
8th May 2025
41AQI
9th May 2025
37AQI
10th May 2025
31AQI
11th May 2025
24AQI
12th May 2025
35AQI
13th May 2025
38AQI
14th May 2025
48AQI
15th May 2025
38AQI
16th May 2025
43AQI
17th May 2025
38AQI
18th May 2025
37AQI
19th May 2025
45AQI
20th May 2025
41AQI
21st May 2025
44AQI
22nd May 2025
50AQI
23rd May 2025
48AQI
24th May 2025
44AQI
25th May 2025
46AQI
26th May 2025
42AQI
27th May 2025
40AQI
28th May 2025
43AQI
29th May 2025
45AQI
30th May 2025
43AQI
31st May 2025
61AQI
1st June 2025
35AQI
2nd June 2025
47AQI
3rd June 2025
29AQI
4th June 2025
41AQI
5th June 2025
44AQI
6th June 2025
40AQI
7th June 2025
38AQI
8th June 2025
44AQI
9th June 2025
38AQI
10th June 2025
41AQI
11th June 2025
44AQI
12th June 2025
43AQI
13th June 2025
44AQI
14th June 2025
44AQI
15th June 2025
42AQI
16th June 2025
51AQI
17th June 2025
47AQI
18th June 2025
54AQI
19th June 2025
56AQI
20th June 2025
56AQI
21st June 2025
56AQI
22nd June 2025
53AQI
23rd June 2025
51AQI
24th June 2025
50AQI
25th June 2025
47AQI
26th June 2025
43AQI
27th June 2025
43AQI
28th June 2025
49AQI
29th June 2025
48AQI
30th June 2025
43AQI
1st July 2025
40AQI
2nd July 2025
38AQI
3rd July 2025
37AQI
4th July 2025
42AQI
5th July 2025
52AQI
6th July 2025
47AQI
7th July 2025
43AQI
8th July 2025
42AQI
9th July 2025
35AQI
10th July 2025
39AQI
11th July 2025
55AQI
12th July 2025
58AQI
13th July 2025
58AQI
14th July 2025
54AQI
15th July 2025
56AQI
16th July 2025
50AQI
17th July 2025
45AQI
18th July 2025
37AQI
19th July 2025
38AQI
20th July 2025
36AQI
21st July 2025
41AQI
22nd July 2025
40AQI
23rd July 2025
30AQI
24th July 2025
32AQI
25th July 2025
26AQI
26th July 2025
25AQI
27th July 2025
28AQI
28th July 2025
34AQI
29th July 2025
34AQI
30th July 2025
29AQI
31st July 2025
33AQI
1st August 2025
31AQI
2nd August 2025
28AQI
3rd August 2025
48AQI
4th August 2025
56AQI
5th August 2025
57AQI
6th August 2025
58AQI
7th August 2025
44AQI
8th August 2025
43AQI
9th August 2025
36AQI
10th August 2025
45AQI

50AQI

32AQI

30AQI

38AQI

39AQI

45AQI

40AQI

45AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202540AQI

16
15
26
2
31
29
1
30
1
23
7
25
6
7
3
187
35

Highest AQI recorded in

January

50AQI

Lowest AQI recorded in

March

30AQI

202443AQI

29
2
27
1
31
27
3
27
4
9
20
7
24
18
13
21
7
2
29
2
28
2
17
14
270
92
2

Highest AQI recorded in

July

58AQI

Lowest AQI recorded in

November

30AQI

202342AQI

31
22
6
27
4
27
3
28
3
20
10
3
28
19
12
25
5
31
29
30
1
292
72

Highest AQI recorded in

July

57AQI

Lowest AQI recorded in

January

33AQI

202242AQI

27
3
20
2
31
17
13
23
8
12
18
12
8
1
1
26
3
31
30
28
2
1
258
58
1

Highest AQI recorded in

June

51AQI

Lowest AQI recorded in

October

35AQI

202145AQI

28
2
26
2
30
1
25
5
19
12
9
21
17
14
15
16
13
17
26
1
24
6
23
8
255
105

Highest AQI recorded in

June

54AQI

Lowest AQI recorded in

January

36AQI

202044AQI

13
19
1
13
5
17
13
18
13
17
13
1
19
9
2
21
9
24
6
28
3
189
72
3

Highest AQI recorded in

August

52AQI

Lowest AQI recorded in

March

28AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
45AQI
Least Polluted Year Recorded
2025(Avg.)
40AQI

Lake Gregory's annual 2025 AQI (40) shows an average percentage change of -8.1% (improved AQI) compared to previous years: 2020 (44), 2021 (45), 2022 (42), 2023 (42), 2024 (43).