Santa Clarita, 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
Santa Clarita, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Oct 2021
96AQILowest AQI recorded on
5th Oct 2023
25AQISame Day Analysis (28th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 50 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 27th Oct - 28th Oct 2025
Santa Clarita, California, United States
AQI
Day
Night
.
6 AM27th Oct 2025
6 PM
5 AM28th Oct 2025
Day time
Avg. Highest Time
2PM27th Oct
62AQI
Avg. Lowest Time
4PM27th Oct
32AQI
Night time
Avg. Highest Time
1AM28th Oct
71AQI
Avg. Lowest Time
6AM27th Oct
31AQI
In the last 24 hours,
Santa Clarita's AQI reached its highest point of 71 at 1 AM during the Night, while the lowest point, 31, was recorded at 6 AM during the Night between 27th Oct and 28th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Santa Clarita, California, United States
SepOct
28th - 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 - 27th27th - 28th28th
Day
Night
28th Sep 2025226 AMAQI
28th Sep 2025257 AMAQI
28th Sep 2025298 AMAQI
28th Sep 2025299 AMAQI
28th Sep 20253610 AMAQI
28th Sep 20253111 AMAQI
28th Sep 20253512 PMAQI
28th Sep 2025421 PMAQI
28th Sep 2025262 PMAQI
28th Sep 2025253 PMAQI
28th Sep 2025284 PMAQI
28th Sep 2025205 PMAQI
28th Sep 2025246 PMAQI
28th Sep 2025367 PMAQI
28th Sep 2025358 PMAQI
28th Sep 2025249 PMAQI
28th Sep 20252110 PMAQI
28th Sep 20252111 PMAQI
29th Sep 20252612 AMAQI
29th Sep 2025391 AMAQI
29th Sep 2025362 AMAQI
29th Sep 2025303 AMAQI
29th Sep 2025204 AMAQI
29th Sep 2025295 AMAQI
--°C/°C
29th Sep 2025296 AMAQI
29th Sep 2025257 AMAQI
29th Sep 2025158 AMAQI
29th Sep 2025149 AMAQI
29th Sep 20251410 AMAQI
29th Sep 20251311 AMAQI
29th Sep 20252212 PMAQI
29th Sep 2025271 PMAQI
29th Sep 2025252 PMAQI
29th Sep 2025263 PMAQI
29th Sep 2025224 PMAQI
29th Sep 2025185 PMAQI
29th Sep 2025226 PMAQI
29th Sep 2025227 PMAQI
29th Sep 2025228 PMAQI
29th Sep 2025239 PMAQI
29th Sep 20252210 PMAQI
29th Sep 20251911 PMAQI
30th Sep 20252212 AMAQI
30th Sep 2025211 AMAQI
30th Sep 2025182 AMAQI
30th Sep 2025213 AMAQI
30th Sep 2025284 AMAQI
30th Sep 2025225 AMAQI
21°C14/30°C
30th Sep 2025216 AMAQI
30th Sep 2025267 AMAQI
30th Sep 2025308 AMAQI
30th Sep 2025309 AMAQI
30th Sep 20253010 AMAQI
30th Sep 20253111 AMAQI
30th Sep 20253212 PMAQI
30th Sep 2025321 PMAQI
30th Sep 2025222 PMAQI
30th Sep 2025263 PMAQI
30th Sep 2025374 PMAQI
30th Sep 2025365 PMAQI
30th Sep 2025366 PMAQI
30th Sep 2025307 PMAQI
30th Sep 2025298 PMAQI
30th Sep 2025259 PMAQI
30th Sep 20253210 PMAQI
30th Sep 20253811 PMAQI
1st Oct 20253612 AMAQI
1st Oct 2025381 AMAQI
1st Oct 2025382 AMAQI
1st Oct 2025343 AMAQI
1st Oct 2025314 AMAQI
1st Oct 2025495 AMAQI
20°C16/29°C
1st Oct 2025526 AMAQI
1st Oct 2025407 AMAQI
1st Oct 2025258 AMAQI
1st Oct 2025449 AMAQI
1st Oct 20255110 AMAQI
1st Oct 20254911 AMAQI
1st Oct 20255612 PMAQI
1st Oct 2025551 PMAQI
1st Oct 2025532 PMAQI
1st Oct 2025533 PMAQI
1st Oct 2025534 PMAQI
1st Oct 2025385 PMAQI
1st Oct 2025366 PMAQI
1st Oct 2025447 PMAQI
1st Oct 2025438 PMAQI
1st Oct 2025419 PMAQI
1st Oct 20254610 PMAQI
1st Oct 20252611 PMAQI
2nd Oct 20255012 AMAQI
2nd Oct 2025541 AMAQI
2nd Oct 2025402 AMAQI
2nd Oct 2025373 AMAQI
2nd Oct 2025384 AMAQI
2nd Oct 2025495 AMAQI
20°C13/30°C
2nd Oct 2025276 AMAQI
2nd Oct 2025367 AMAQI
2nd Oct 2025248 AMAQI
2nd Oct 2025319 AMAQI
2nd Oct 20254010 AMAQI
2nd Oct 20254111 AMAQI
2nd Oct 20255012 PMAQI
2nd Oct 2025381 PMAQI
2nd Oct 2025342 PMAQI
2nd Oct 2025403 PMAQI
2nd Oct 2025284 PMAQI
2nd Oct 2025445 PMAQI
2nd Oct 2025476 PMAQI
2nd Oct 2025527 PMAQI
2nd Oct 2025438 PMAQI
2nd Oct 2025379 PMAQI
2nd Oct 20253610 PMAQI
2nd Oct 20254311 PMAQI
3rd Oct 20254012 AMAQI
3rd Oct 2025331 AMAQI
3rd Oct 2025422 AMAQI
3rd Oct 2025513 AMAQI
3rd Oct 2025414 AMAQI
3rd Oct 2025585 AMAQI
21°C13/30°C
3rd Oct 2025626 AMAQI
3rd Oct 2025587 AMAQI
3rd Oct 2025568 AMAQI
3rd Oct 2025609 AMAQI
3rd Oct 20255510 AMAQI
3rd Oct 20255211 AMAQI
3rd Oct 20255012 PMAQI
3rd Oct 2025511 PMAQI
3rd Oct 2025472 PMAQI
3rd Oct 2025463 PMAQI
3rd Oct 2025484 PMAQI
3rd Oct 2025225 PMAQI
3rd Oct 2025296 PMAQI
3rd Oct 2025407 PMAQI
3rd Oct 2025378 PMAQI
3rd Oct 2025469 PMAQI
3rd Oct 20254310 PMAQI
3rd Oct 20255011 PMAQI
4th Oct 20255512 AMAQI
4th Oct 2025341 AMAQI
4th Oct 2025432 AMAQI
4th Oct 2025543 AMAQI
4th Oct 2025564 AMAQI
4th Oct 2025605 AMAQI
20°C15/28°C
4th Oct 2025436 AMAQI
4th Oct 2025407 AMAQI
4th Oct 2025498 AMAQI
4th Oct 2025259 AMAQI
4th Oct 20254410 AMAQI
4th Oct 20254611 AMAQI
4th Oct 20253912 PMAQI
4th Oct 2025441 PMAQI
4th Oct 2025362 PMAQI
4th Oct 2025243 PMAQI
4th Oct 2025384 PMAQI
4th Oct 2025515 PMAQI
4th Oct 2025446 PMAQI
4th Oct 2025487 PMAQI
4th Oct 2025398 PMAQI
4th Oct 2025549 PMAQI
4th Oct 20255410 PMAQI
4th Oct 20255411 PMAQI
5th Oct 20255412 AMAQI
5th Oct 2025491 AMAQI
5th Oct 2025452 AMAQI
5th Oct 2025423 AMAQI
5th Oct 2025434 AMAQI
5th Oct 2025525 AMAQI
20°C12/31°C
5th Oct 2025526 AMAQI
5th Oct 2025507 AMAQI
5th Oct 2025508 AMAQI
5th Oct 2025399 AMAQI
5th Oct 20255010 AMAQI
5th Oct 20255411 AMAQI
5th Oct 20255512 PMAQI
5th Oct 2025531 PMAQI
5th Oct 2025522 PMAQI
5th Oct 2025563 PMAQI
5th Oct 2025474 PMAQI
5th Oct 2025435 PMAQI
5th Oct 2025546 PMAQI
5th Oct 2025437 PMAQI
5th Oct 2025408 PMAQI
5th Oct 2025529 PMAQI
5th Oct 20257210 PMAQI
5th Oct 20257711 PMAQI
6th Oct 20256912 AMAQI
6th Oct 2025621 AMAQI
6th Oct 2025672 AMAQI
6th Oct 2025693 AMAQI
6th Oct 2025724 AMAQI
6th Oct 2025705 AMAQI
21°C13/31°C
6th Oct 2025446 AMAQI
6th Oct 2025397 AMAQI
6th Oct 2025388 AMAQI
6th Oct 2025529 AMAQI
6th Oct 20254710 AMAQI
7th Oct 2025384 AMAQI
7th Oct 2025405 AMAQI
21°C13/32°C
7th Oct 2025476 AMAQI
7th Oct 2025537 AMAQI
7th Oct 2025578 AMAQI
7th Oct 2025589 AMAQI
7th Oct 20255410 AMAQI
7th Oct 20255611 AMAQI
7th Oct 20254812 PMAQI
7th Oct 2025701 PMAQI
7th Oct 2025562 PMAQI
7th Oct 2025713 PMAQI
7th Oct 2025754 PMAQI
7th Oct 2025665 PMAQI
7th Oct 2025626 PMAQI
7th Oct 2025547 PMAQI
7th Oct 2025648 PMAQI
7th Oct 2025659 PMAQI
7th Oct 20256810 PMAQI
7th Oct 20256711 PMAQI
8th Oct 20257312 AMAQI
8th Oct 2025601 AMAQI
8th Oct 2025522 AMAQI
8th Oct 2025473 AMAQI
8th Oct 2025414 AMAQI
8th Oct 2025475 AMAQI
22°C13/33°C
8th Oct 2025456 AMAQI
8th Oct 2025557 AMAQI
8th Oct 2025528 AMAQI
8th Oct 2025519 AMAQI
8th Oct 20256610 AMAQI
8th Oct 20256911 AMAQI
8th Oct 20255612 PMAQI
8th Oct 2025531 PMAQI
8th Oct 2025422 PMAQI
8th Oct 2025393 PMAQI
8th Oct 2025604 PMAQI
8th Oct 2025575 PMAQI
8th Oct 2025636 PMAQI
8th Oct 2025657 PMAQI
8th Oct 2025628 PMAQI
8th Oct 2025559 PMAQI
8th Oct 20255410 PMAQI
8th Oct 20255511 PMAQI
9th Oct 20255112 AMAQI
9th Oct 2025501 AMAQI
9th Oct 2025562 AMAQI
9th Oct 2025593 AMAQI
9th Oct 2025534 AMAQI
9th Oct 2025495 AMAQI
19°C12/28°C
9th Oct 2025436 AMAQI
9th Oct 2025477 AMAQI
9th Oct 2025538 AMAQI
9th Oct 2025549 AMAQI
9th Oct 20254810 AMAQI
9th Oct 20256211 AMAQI
9th Oct 20256512 PMAQI
9th Oct 2025531 PMAQI
9th Oct 2025532 PMAQI
9th Oct 2025513 PMAQI
9th Oct 2025554 PMAQI
9th Oct 2025515 PMAQI
9th Oct 2025526 PMAQI
9th Oct 2025537 PMAQI
9th Oct 2025528 PMAQI
9th Oct 2025379 PMAQI
9th Oct 20254010 PMAQI
9th Oct 20253811 PMAQI
10th Oct 20253812 AMAQI
10th Oct 2025501 AMAQI
10th Oct 2025542 AMAQI
10th Oct 2025563 AMAQI
10th Oct 2025574 AMAQI
10th Oct 2025475 AMAQI
20°C12/32°C
10th Oct 2025436 AMAQI
10th Oct 2025437 AMAQI
10th Oct 2025528 AMAQI
10th Oct 2025519 AMAQI
10th Oct 20253810 AMAQI
10th Oct 20255011 AMAQI
10th Oct 20255012 PMAQI
10th Oct 2025541 PMAQI
10th Oct 2025522 PMAQI
10th Oct 2025473 PMAQI
10th Oct 2025304 PMAQI
10th Oct 2025535 PMAQI
10th Oct 2025406 PMAQI
10th Oct 2025307 PMAQI
10th Oct 2025288 PMAQI
10th Oct 2025329 PMAQI
10th Oct 20254110 PMAQI
10th Oct 20255511 PMAQI
11th Oct 20256112 AMAQI
11th Oct 2025591 AMAQI
11th Oct 2025572 AMAQI
11th Oct 2025603 AMAQI
11th Oct 2025524 AMAQI
11th Oct 2025505 AMAQI
24°C15/36°C
11th Oct 2025396 AMAQI
11th Oct 2025617 AMAQI
11th Oct 2025588 AMAQI
11th Oct 2025379 AMAQI
11th Oct 20255610 AMAQI
11th Oct 20256511 AMAQI
11th Oct 20255412 PMAQI
11th Oct 2025481 PMAQI
11th Oct 2025522 PMAQI
11th Oct 2025573 PMAQI
11th Oct 2025484 PMAQI
11th Oct 2025415 PMAQI
11th Oct 2025446 PMAQI
11th Oct 2025447 PMAQI
11th Oct 2025468 PMAQI
11th Oct 2025399 PMAQI
11th Oct 20256010 PMAQI
11th Oct 20255511 PMAQI
12th Oct 20255612 AMAQI
12th Oct 2025581 AMAQI
12th Oct 2025602 AMAQI
12th Oct 2025603 AMAQI
12th Oct 2025584 AMAQI
12th Oct 2025465 AMAQI
22°C16/30°C
12th Oct 2025466 AMAQI
12th Oct 2025447 AMAQI
12th Oct 2025488 AMAQI
12th Oct 2025389 AMAQI
12th Oct 20254110 AMAQI
12th Oct 20254411 AMAQI
12th Oct 20254712 PMAQI
12th Oct 2025421 PMAQI
12th Oct 2025502 PMAQI
12th Oct 2025533 PMAQI
12th Oct 2025544 PMAQI
12th Oct 2025495 PMAQI
12th Oct 2025526 PMAQI
12th Oct 2025517 PMAQI
12th Oct 2025338 PMAQI
12th Oct 2025509 PMAQI
12th Oct 20254310 PMAQI
12th Oct 20255411 PMAQI
13th Oct 20254812 AMAQI
13th Oct 2025451 AMAQI
13th Oct 2025502 AMAQI
13th Oct 2025583 AMAQI
13th Oct 2025604 AMAQI
13th Oct 2025555 AMAQI
21°C11/32°C
13th Oct 2025496 AMAQI
13th Oct 2025547 AMAQI
13th Oct 2025568 AMAQI
13th Oct 2025549 AMAQI
13th Oct 20255310 AMAQI
13th Oct 20254211 AMAQI
13th Oct 20254012 PMAQI
13th Oct 2025511 PMAQI
13th Oct 2025542 PMAQI
13th Oct 2025553 PMAQI
13th Oct 2025514 PMAQI
13th Oct 2025525 PMAQI
13th Oct 2025576 PMAQI
13th Oct 2025587 PMAQI
13th Oct 2025558 PMAQI
13th Oct 2025549 PMAQI
13th Oct 20254210 PMAQI
13th Oct 20254211 PMAQI
14th Oct 20254412 AMAQI
14th Oct 2025431 AMAQI
14th Oct 2025512 AMAQI
14th Oct 2025503 AMAQI
14th Oct 2025444 AMAQI
14th Oct 2025455 AMAQI
16°C12/21°C
14th Oct 2025486 AMAQI
14th Oct 2025507 AMAQI
14th Oct 2025218 AMAQI
14th Oct 2025239 AMAQI
14th Oct 20252910 AMAQI
14th Oct 20253511 AMAQI
14th Oct 20253512 PMAQI
14th Oct 2025411 PMAQI
14th Oct 2025442 PMAQI
14th Oct 2025303 PMAQI
14th Oct 2025334 PMAQI
14th Oct 2025305 PMAQI
14th Oct 2025306 PMAQI
14th Oct 2025167 PMAQI
14th Oct 2025248 PMAQI
14th Oct 2025349 PMAQI
14th Oct 20251410 PMAQI
14th Oct 20251311 PMAQI
15th Oct 20254212 AMAQI
15th Oct 2025531 AMAQI
15th Oct 2025462 AMAQI
15th Oct 2025703 AMAQI
15th Oct 2025554 AMAQI
15th Oct 2025415 AMAQI
13°C11/14°C
15th Oct 2025406 AMAQI
15th Oct 2025337 AMAQI
15th Oct 2025418 AMAQI
15th Oct 2025259 AMAQI
15th Oct 20252110 AMAQI
15th Oct 20253011 AMAQI
15th Oct 20254812 PMAQI
15th Oct 2025241 PMAQI
15th Oct 2025462 PMAQI
15th Oct 2025443 PMAQI
15th Oct 2025384 PMAQI
15th Oct 2025205 PMAQI
15th Oct 2025216 PMAQI
15th Oct 2025157 PMAQI
15th Oct 2025398 PMAQI
15th Oct 2025199 PMAQI
15th Oct 20254010 PMAQI
15th Oct 20255611 PMAQI
16th Oct 20254012 AMAQI
16th Oct 2025391 AMAQI
16th Oct 2025412 AMAQI
16th Oct 2025393 AMAQI
16th Oct 2025414 AMAQI
16th Oct 2025245 AMAQI
14°C9/20°C
16th Oct 2025356 AMAQI
16th Oct 2025537 AMAQI
16th Oct 2025478 AMAQI
16th Oct 2025449 AMAQI
16th Oct 20254910 AMAQI
16th Oct 20255311 AMAQI
16th Oct 20255812 PMAQI
16th Oct 2025661 PMAQI
16th Oct 2025332 PMAQI
16th Oct 2025233 PMAQI
16th Oct 2025294 PMAQI
16th Oct 2025395 PMAQI
16th Oct 2025386 PMAQI
16th Oct 2025387 PMAQI
16th Oct 2025408 PMAQI
16th Oct 2025379 PMAQI
16th Oct 20255610 PMAQI
16th Oct 20256411 PMAQI
17th Oct 20256012 AMAQI
17th Oct 2025491 AMAQI
17th Oct 2025482 AMAQI
17th Oct 2025533 AMAQI
17th Oct 2025724 AMAQI
17th Oct 2025445 AMAQI
17°C9/28°C
17th Oct 2025406 AMAQI
17th Oct 2025487 AMAQI
17th Oct 2025518 AMAQI
17th Oct 2025559 AMAQI
17th Oct 20255210 AMAQI
17th Oct 20254111 AMAQI
17th Oct 20255012 PMAQI
17th Oct 2025511 PMAQI
17th Oct 2025282 PMAQI
17th Oct 2025293 PMAQI
17th Oct 2025214 PMAQI
17th Oct 2025225 PMAQI
17th Oct 2025216 PMAQI
17th Oct 2025427 PMAQI
17th Oct 2025548 PMAQI
17th Oct 2025539 PMAQI
17th Oct 20255910 PMAQI
17th Oct 20256411 PMAQI
18th Oct 20256612 AMAQI
18th Oct 2025561 AMAQI
18th Oct 2025432 AMAQI
18th Oct 2025873 AMAQI
18th Oct 2025664 AMAQI
18th Oct 2025545 AMAQI
20°C11/31°C
18th Oct 2025556 AMAQI
18th Oct 2025437 AMAQI
18th Oct 2025398 AMAQI
18th Oct 2025369 AMAQI
18th Oct 20254810 AMAQI
18th Oct 20255011 AMAQI
18th Oct 20255712 PMAQI
18th Oct 2025561 PMAQI
18th Oct 2025302 PMAQI
18th Oct 2025183 PMAQI
18th Oct 2025354 PMAQI
18th Oct 2025285 PMAQI
18th Oct 2025416 PMAQI
18th Oct 2025417 PMAQI
18th Oct 2025218 PMAQI
18th Oct 2025349 PMAQI
18th Oct 20254910 PMAQI
18th Oct 20255311 PMAQI
19th Oct 20255412 AMAQI
19th Oct 2025551 AMAQI
19th Oct 2025572 AMAQI
19th Oct 2025603 AMAQI
19th Oct 2025614 AMAQI
19th Oct 2025575 AMAQI
21°C12/32°C
19th Oct 2025576 AMAQI
19th Oct 2025437 AMAQI
19th Oct 2025418 AMAQI
19th Oct 2025519 AMAQI
19th Oct 20255610 AMAQI
19th Oct 20255611 AMAQI
19th Oct 20255412 PMAQI
19th Oct 2025401 PMAQI
19th Oct 2025182 PMAQI
19th Oct 2025183 PMAQI
19th Oct 2025244 PMAQI
19th Oct 2025175 PMAQI
19th Oct 2025186 PMAQI
19th Oct 2025167 PMAQI
19th Oct 2025188 PMAQI
19th Oct 2025179 PMAQI
19th Oct 20253810 PMAQI
19th Oct 20255811 PMAQI
20th Oct 20255912 AMAQI
20th Oct 2025581 AMAQI
20th Oct 2025582 AMAQI
20th Oct 2025593 AMAQI
20th Oct 2025594 AMAQI
20th Oct 2025565 AMAQI
21°C14/33°C
20th Oct 2025566 AMAQI
20th Oct 2025567 AMAQI
20th Oct 2025558 AMAQI
20th Oct 2025559 AMAQI
20th Oct 20255510 AMAQI
20th Oct 20255911 AMAQI
20th Oct 20256012 PMAQI
20th Oct 2025371 PMAQI
20th Oct 2025192 PMAQI
20th Oct 2025293 PMAQI
20th Oct 2025214 PMAQI
20th Oct 2025405 PMAQI
20th Oct 2025556 PMAQI
20th Oct 2025477 PMAQI
20th Oct 2025378 PMAQI
20th Oct 2025589 PMAQI
20th Oct 20255810 PMAQI
20th Oct 20255511 PMAQI
21st Oct 20255812 AMAQI
21st Oct 2025601 AMAQI
21st Oct 2025592 AMAQI
21st Oct 2025583 AMAQI
21st Oct 2025584 AMAQI
21st Oct 2025585 AMAQI
22°C13/33°C
21st Oct 2025576 AMAQI
21st Oct 2025347 AMAQI
21st Oct 2025568 AMAQI
21st Oct 2025489 AMAQI
21st Oct 20253810 AMAQI
21st Oct 20254611 AMAQI
21st Oct 20255312 PMAQI
21st Oct 2025461 PMAQI
21st Oct 2025352 PMAQI
21st Oct 2025323 PMAQI
21st Oct 2025434 PMAQI
21st Oct 2025435 PMAQI
21st Oct 2025436 PMAQI
21st Oct 2025487 PMAQI
21st Oct 2025448 PMAQI
21st Oct 2025519 PMAQI
21st Oct 20255610 PMAQI
21st Oct 20255211 PMAQI
22nd Oct 20254812 AMAQI
22nd Oct 2025471 AMAQI
22nd Oct 2025542 AMAQI
22nd Oct 2025543 AMAQI
22nd Oct 2025544 AMAQI
22nd Oct 2025465 AMAQI
21°C14/32°C
22nd Oct 2025326 AMAQI
22nd Oct 2025347 AMAQI
22nd Oct 2025448 AMAQI
22nd Oct 2025479 AMAQI
22nd Oct 20255010 AMAQI
22nd Oct 20255611 AMAQI
22nd Oct 20256012 PMAQI
22nd Oct 2025611 PMAQI
22nd Oct 2025632 PMAQI
22nd Oct 2025543 PMAQI
22nd Oct 2025444 PMAQI
22nd Oct 2025415 PMAQI
22nd Oct 2025406 PMAQI
22nd Oct 2025337 PMAQI
22nd Oct 2025388 PMAQI
22nd Oct 2025369 PMAQI
22nd Oct 20252810 PMAQI
22nd Oct 20252811 PMAQI
23rd Oct 20252612 AMAQI
23rd Oct 2025361 AMAQI
23rd Oct 2025442 AMAQI
23rd Oct 2025373 AMAQI
23rd Oct 2025454 AMAQI
23rd Oct 2025545 AMAQI
17°C11/24°C
23rd Oct 2025436 AMAQI
23rd Oct 2025457 AMAQI
23rd Oct 2025518 AMAQI
23rd Oct 2025429 AMAQI
23rd Oct 20253910 AMAQI
23rd Oct 20254211 AMAQI
23rd Oct 20254812 PMAQI
23rd Oct 2025491 PMAQI
23rd Oct 2025422 PMAQI
23rd Oct 2025363 PMAQI
23rd Oct 2025384 PMAQI
23rd Oct 2025405 PMAQI
23rd Oct 2025386 PMAQI
23rd Oct 2025477 PMAQI
23rd Oct 2025538 PMAQI
23rd Oct 2025589 PMAQI
23rd Oct 20255810 PMAQI
23rd Oct 20255711 PMAQI
24th Oct 20255512 AMAQI
24th Oct 2025531 AMAQI
24th Oct 2025522 AMAQI
24th Oct 2025523 AMAQI
24th Oct 2025534 AMAQI
24th Oct 2025445 AMAQI
19°C11/30°C
24th Oct 2025396 AMAQI
24th Oct 2025347 AMAQI
24th Oct 2025268 AMAQI
24th Oct 2025219 AMAQI
24th Oct 20252110 AMAQI
24th Oct 20253811 AMAQI
24th Oct 20255312 PMAQI
24th Oct 2025421 PMAQI
24th Oct 2025442 PMAQI
24th Oct 2025543 PMAQI
24th Oct 2025404 PMAQI
24th Oct 2025365 PMAQI
24th Oct 2025476 PMAQI
24th Oct 2025527 PMAQI
24th Oct 2025488 PMAQI
24th Oct 2025529 PMAQI
24th Oct 20255710 PMAQI
24th Oct 20255611 PMAQI
25th Oct 20256012 AMAQI
25th Oct 2025591 AMAQI
25th Oct 2025662 AMAQI
25th Oct 2025783 AMAQI
25th Oct 2025694 AMAQI
25th Oct 2025585 AMAQI
21°C14/32°C
25th Oct 2025516 AMAQI
25th Oct 2025407 AMAQI
25th Oct 2025318 AMAQI
25th Oct 2025309 AMAQI
25th Oct 20254410 AMAQI
25th Oct 20255311 AMAQI
25th Oct 20255312 PMAQI
25th Oct 2025571 PMAQI
25th Oct 2025652 PMAQI
25th Oct 2025703 PMAQI
25th Oct 2025704 PMAQI
25th Oct 2025725 PMAQI
25th Oct 2025746 PMAQI
25th Oct 2025717 PMAQI
25th Oct 2025738 PMAQI
25th Oct 2025679 PMAQI
25th Oct 20255610 PMAQI
25th Oct 20255211 PMAQI
26th Oct 20255512 AMAQI
26th Oct 2025641 AMAQI
26th Oct 2025652 AMAQI
26th Oct 2025613 AMAQI
26th Oct 2025574 AMAQI
26th Oct 2025555 AMAQI
18°C11/26°C
26th Oct 2025556 AMAQI
26th Oct 2025567 AMAQI
26th Oct 2025508 AMAQI
26th Oct 2025449 AMAQI
26th Oct 20254810 AMAQI
26th Oct 20255711 AMAQI
26th Oct 20255912 PMAQI
26th Oct 2025581 PMAQI
26th Oct 2025522 PMAQI
26th Oct 2025543 PMAQI
26th Oct 2025704 PMAQI
26th Oct 2025725 PMAQI
26th Oct 2025726 PMAQI
26th Oct 2025717 PMAQI
26th Oct 2025728 PMAQI
26th Oct 2025739 PMAQI
26th Oct 20256610 PMAQI
26th Oct 20256511 PMAQI
27th Oct 20257712 AMAQI
27th Oct 2025711 AMAQI
27th Oct 2025562 AMAQI
27th Oct 2025503 AMAQI
27th Oct 2025444 AMAQI
27th Oct 2025345 AMAQI
18°C12/26°C
27th Oct 2025316 AMAQI
27th Oct 2025357 AMAQI
27th Oct 2025428 AMAQI
27th Oct 2025489 AMAQI
27th Oct 20255410 AMAQI
27th Oct 20255611 AMAQI
27th Oct 20255212 PMAQI
27th Oct 2025501 PMAQI
27th Oct 2025622 PMAQI
27th Oct 2025533 PMAQI
27th Oct 2025324 PMAQI
27th Oct 2025465 PMAQI
27th Oct 2025546 PMAQI
27th Oct 2025377 PMAQI
27th Oct 2025378 PMAQI
27th Oct 2025479 PMAQI
27th Oct 20256410 PMAQI
27th Oct 20255711 PMAQI
28th Oct 20255912 AMAQI
28th Oct 2025711 AMAQI
28th Oct 2025592 AMAQI
28th Oct 2025493 AMAQI
28th Oct 2025564 AMAQI
28th Oct 2025445 AMAQI
20°C13/31°C
28th Oct 2025456 AMAQI
6 AM28th Oct 2025467 AMAQI
28th Oct 2025358 AMAQI
28th Oct 2025399 AMAQI
28th Oct 20254210 AMAQI
28th Oct 20253611 AMAQI
28th Oct 20254112 PMAQI
12 PM28th Oct 2025591 PMAQI
28th Oct 2025532 PMAQI
28th Oct 2025443 PMAQI
28th Oct 2025394 PMAQI
28th Oct 2025265 PMAQI
28th Oct 2025196 PMAQI
6 PM28th Oct 2025177 PMAQI
28th Oct 2025268 PMAQI
28th Oct 2025279 PMAQI
12 AM
5 AM
24°C16/34°C
Day time
Avg. Highest Time
12 PM - 1 PM
49AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM
40AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 1 PM (Avg. 49), while the lowest AQI was between 5 PM to 5 PM (Avg. 40).
Night time
Avg. Highest Time
3 AM
52AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM - 9 PM
42AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 3 AM (Avg. 52), while the lowest AQI was between 7 PM to 9 PM (Avg. 42).
2025 Days Vs Air Quality
Santa Clarita, California, United States
2025
76%
228
24%
72
0.3%
1
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Good
228 DaysModerate
72 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 302 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
Santa Clarita, 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
49AQI
49AQI
2nd January 2025
40AQI
40AQI
3rd January 2025
47AQI
47AQI
4th January 2025
39AQI
39AQI
5th January 2025
33AQI
33AQI
6th January 2025
32AQI
32AQI
7th January 2025
35AQI
35AQI
8th January 2025
40AQI
40AQI
9th January 2025
36AQI
36AQI
10th January 2025
37AQI
37AQI
11th January 2025
42AQI
42AQI
12th January 2025
33AQI
33AQI
13th January 2025
35AQI
35AQI
14th January 2025
29AQI
29AQI
15th January 2025
30AQI
30AQI
16th January 2025
32AQI
32AQI
17th January 2025
44AQI
44AQI
18th January 2025
57AQI
57AQI
19th January 2025
56AQI
56AQI
20th January 2025
50AQI
50AQI
21st January 2025
31AQI
31AQI
22nd January 2025
36AQI
36AQI
23rd January 2025
33AQI
33AQI
24th January 2025
34AQI
34AQI
25th January 2025
51AQI
51AQI
26th January 2025
32AQI
32AQI
27th January 2025
32AQI
32AQI
28th January 2025
41AQI
41AQI
29th January 2025
51AQI
51AQI
30th January 2025
57AQI
57AQI
31st January 2025
55AQI
55AQI
1st February 2025
49AQI
49AQI
2nd February 2025
49AQI
49AQI
3rd February 2025
50AQI
50AQI
4th February 2025
39AQI
39AQI
5th February 2025
25AQI
25AQI
6th February 2025
25AQI
25AQI
7th February 2025
25AQI
25AQI
8th February 2025
30AQI
30AQI
9th February 2025
36AQI
36AQI
10th February 2025
46AQI
46AQI
11th February 2025
35AQI
35AQI
12th February 2025
30AQI
30AQI
13th February 2025
27AQI
27AQI
14th February 2025
34AQI
34AQI
15th February 2025
37AQI
37AQI
16th February 2025
34AQI
34AQI
17th February 2025
35AQI
35AQI
18th February 2025
34AQI
34AQI
19th February 2025
34AQI
34AQI
20th February 2025
37AQI
37AQI
21st February 2025
33AQI
33AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
37AQI
37AQI
24th February 2025
38AQI
38AQI
25th February 2025
37AQI
37AQI
26th February 2025
35AQI
35AQI
27th February 2025
31AQI
31AQI
28th February 2025
34AQI
34AQI
1st March 2025
43AQI
43AQI
2nd March 2025
39AQI
39AQI
3rd March 2025
28AQI
28AQI
4th March 2025
33AQI
33AQI
5th March 2025
39AQI
39AQI
6th March 2025
28AQI
28AQI
7th March 2025
31AQI
31AQI
8th March 2025
33AQI
33AQI
9th March 2025
38AQI
38AQI
10th March 2025
36AQI
36AQI
11th March 2025
32AQI
32AQI
12th March 2025
31AQI
31AQI
13th March 2025
23AQI
23AQI
14th March 2025
30AQI
30AQI
15th March 2025
30AQI
30AQI
16th March 2025
35AQI
35AQI
17th March 2025
34AQI
34AQI
18th March 2025
25AQI
25AQI
19th March 2025
21AQI
21AQI
20th March 2025
21AQI
21AQI
21st March 2025
23AQI
23AQI
22nd March 2025
28AQI
28AQI
23rd March 2025
32AQI
32AQI
24th March 2025
32AQI
32AQI
25th March 2025
32AQI
32AQI
26th March 2025
42AQI
42AQI
27th March 2025
27AQI
27AQI
28th March 2025
29AQI
29AQI
29th March 2025
34AQI
34AQI
30th March 2025
37AQI
37AQI
31st March 2025
23AQI
23AQI
1st April 2025
24AQI
24AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
29AQI
29AQI
4th April 2025
26AQI
26AQI
5th April 2025
24AQI
24AQI
6th April 2025
31AQI
31AQI
7th April 2025
35AQI
35AQI
8th April 2025
41AQI
41AQI
9th April 2025
40AQI
40AQI
10th April 2025
48AQI
48AQI
11th April 2025
50AQI
50AQI
12th April 2025
51AQI
51AQI
13th April 2025
55AQI
55AQI
14th April 2025
54AQI
54AQI
15th April 2025
54AQI
54AQI
16th April 2025
41AQI
41AQI
17th April 2025
34AQI
34AQI
18th April 2025
35AQI
35AQI
19th April 2025
35AQI
35AQI
20th April 2025
41AQI
41AQI
21st April 2025
47AQI
47AQI
22nd April 2025
54AQI
54AQI
23rd April 2025
53AQI
53AQI
24th April 2025
42AQI
42AQI
25th April 2025
46AQI
46AQI
26th April 2025
29AQI
29AQI
27th April 2025
23AQI
23AQI
28th April 2025
21AQI
21AQI
29th April 2025
33AQI
33AQI
30th April 2025
49AQI
49AQI
1st May 2025
50AQI
50AQI
2nd May 2025
49AQI
49AQI
3rd May 2025
48AQI
48AQI
4th May 2025
33AQI
33AQI
5th May 2025
43AQI
43AQI
6th May 2025
52AQI
52AQI
7th May 2025
40AQI
40AQI
8th May 2025
49AQI
49AQI
9th May 2025
44AQI
44AQI
10th May 2025
37AQI
37AQI
11th May 2025
34AQI
34AQI
12th May 2025
50AQI
50AQI
13th May 2025
28AQI
28AQI
14th May 2025
34AQI
34AQI
15th May 2025
47AQI
47AQI
16th May 2025
54AQI
54AQI
17th May 2025
48AQI
48AQI
18th May 2025
43AQI
43AQI
19th May 2025
38AQI
38AQI
20th May 2025
43AQI
43AQI
21st May 2025
44AQI
44AQI
22nd May 2025
53AQI
53AQI
23rd May 2025
55AQI
55AQI
24th May 2025
53AQI
53AQI
25th May 2025
51AQI
51AQI
26th May 2025
49AQI
49AQI
27th May 2025
51AQI
51AQI
28th May 2025
47AQI
47AQI
29th May 2025
48AQI
48AQI
30th May 2025
50AQI
50AQI
31st May 2025
48AQI
48AQI
1st June 2025
48AQI
48AQI
2nd June 2025
39AQI
39AQI
3rd June 2025
39AQI
39AQI
4th June 2025
42AQI
42AQI
5th June 2025
49AQI
49AQI
6th June 2025
46AQI
46AQI
7th June 2025
49AQI
49AQI
8th June 2025
49AQI
49AQI
9th June 2025
52AQI
52AQI
10th June 2025
55AQI
55AQI
11th June 2025
54AQI
54AQI
12th June 2025
54AQI
54AQI
13th June 2025
56AQI
56AQI
14th June 2025
55AQI
55AQI
15th June 2025
50AQI
50AQI
16th June 2025
54AQI
54AQI
17th June 2025
55AQI
55AQI
18th June 2025
55AQI
55AQI
19th June 2025
57AQI
57AQI
20th June 2025
57AQI
57AQI
21st June 2025
60AQI
60AQI
22nd June 2025
59AQI
59AQI
23rd June 2025
55AQI
55AQI
24th June 2025
54AQI
54AQI
25th June 2025
51AQI
51AQI
26th June 2025
53AQI
53AQI
27th June 2025
54AQI
54AQI
28th June 2025
50AQI
50AQI
29th June 2025
44AQI
44AQI
30th June 2025
37AQI
37AQI
1st July 2025
43AQI
43AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
48AQI
48AQI
4th July 2025
50AQI
50AQI
5th July 2025
62AQI
62AQI
6th July 2025
50AQI
50AQI
7th July 2025
49AQI
49AQI
8th July 2025
51AQI
51AQI
9th July 2025
44AQI
44AQI
10th July 2025
45AQI
45AQI
11th July 2025
53AQI
53AQI
12th July 2025
56AQI
56AQI
13th July 2025
53AQI
53AQI
14th July 2025
45AQI
45AQI
15th July 2025
47AQI
47AQI
16th July 2025
45AQI
45AQI
17th July 2025
33AQI
33AQI
18th July 2025
38AQI
38AQI
19th July 2025
41AQI
41AQI
20th July 2025
45AQI
45AQI
21st July 2025
45AQI
45AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
34AQI
34AQI
24th July 2025
30AQI
30AQI
25th July 2025
27AQI
27AQI
26th July 2025
33AQI
33AQI
27th July 2025
32AQI
32AQI
28th July 2025
33AQI
33AQI
29th July 2025
37AQI
37AQI
30th July 2025
40AQI
40AQI
31st July 2025
49AQI
49AQI
1st August 2025
50AQI
50AQI
2nd August 2025
51AQI
51AQI
3rd August 2025
54AQI
54AQI
4th August 2025
60AQI
60AQI
5th August 2025
64AQI
64AQI
6th August 2025
65AQI
65AQI
7th August 2025
59AQI
59AQI
8th August 2025
56AQI
56AQI
9th August 2025
55AQI
55AQI
10th August 2025
55AQI
55AQI
11th August 2025
58AQI
58AQI
12th August 2025
57AQI
57AQI
13th August 2025
60AQI
60AQI
14th August 2025
59AQI
59AQI
15th August 2025
53AQI
53AQI
16th August 2025
51AQI
51AQI
17th August 2025
45AQI
45AQI
18th August 2025
39AQI
39AQI
19th August 2025
37AQI
37AQI
20th August 2025
39AQI
39AQI
21st August 2025
53AQI
53AQI
22nd August 2025
107AQI
107AQI
23rd August 2025
51AQI
51AQI
24th August 2025
53AQI
53AQI
25th August 2025
50AQI
50AQI
26th August 2025
46AQI
46AQI
27th August 2025
45AQI
45AQI
28th August 2025
41AQI
41AQI
29th August 2025
47AQI
47AQI
30th August 2025
49AQI
49AQI
31st August 2025
49AQI
49AQI
1st September 2025
48AQI
48AQI
2nd September 2025
40AQI
40AQI
3rd September 2025
46AQI
46AQI
4th September 2025
43AQI
43AQI
5th September 2025
39AQI
39AQI
6th September 2025
34AQI
34AQI
7th September 2025
36AQI
36AQI
8th September 2025
27AQI
27AQI
9th September 2025
27AQI
27AQI
10th September 2025
28AQI
28AQI
11th September 2025
26AQI
26AQI
12th September 2025
37AQI
37AQI
13th September 2025
49AQI
49AQI
14th September 2025
54AQI
54AQI
15th September 2025
50AQI
50AQI
16th September 2025
48AQI
48AQI
17th September 2025
37AQI
37AQI
18th September 2025
36AQI
36AQI
19th September 2025
38AQI
38AQI
20th September 2025
26AQI
26AQI
21st September 2025
30AQI
30AQI
22nd September 2025
34AQI
34AQI
23rd September 2025
32AQI
32AQI
24th September 2025
40AQI
40AQI
25th September 2025
31AQI
31AQI
26th September 2025
33AQI
33AQI
27th September 2025
29AQI
29AQI
28th September 2025
27AQI
27AQI
29th September 2025
24AQI
24AQI
30th September 2025
28AQI
28AQI
1st October 2025
42AQI
42AQI
2nd October 2025
41AQI
41AQI
3rd October 2025
45AQI
45AQI
4th October 2025
46AQI
46AQI
5th October 2025
49AQI
49AQI
6th October 2025
67AQI
67AQI
7th October 2025
59AQI
59AQI
8th October 2025
56AQI
56AQI
9th October 2025
51AQI
51AQI
10th October 2025
45AQI
45AQI
11th October 2025
52AQI
52AQI
12th October 2025
50AQI
50AQI
13th October 2025
51AQI
51AQI
14th October 2025
35AQI
35AQI
15th October 2025
39AQI
39AQI
16th October 2025
43AQI
43AQI
17th October 2025
47AQI
47AQI
18th October 2025
48AQI
48AQI
19th October 2025
42AQI
42AQI
20th October 2025
52AQI
52AQI
21st October 2025
51AQI
51AQI
22nd October 2025
45AQI
45AQI
23rd October 2025
43AQI
43AQI
24th October 2025
46AQI
46AQI
25th October 2025
61AQI
61AQI
26th October 2025
62AQI
62AQI
27th October 2025
52AQI
52AQI
28th October 2025
50AQI
50AQI
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
40AQI
35AQI
31AQI
39AQI
46AQI
51AQI
43AQI
53AQI
36AQI
49AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
25
6
28
31
24
6
24
7
12
18
26
5
12
18
1
29
1
17
11
228
72
1
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
March31AQI
202447AQI
31
29
30
1
24
6
13
18
6
24
3
28
8
23
13
17
14
17
26
4
23
8
220
146
Highest AQI recorded in
July62AQI
Lowest AQI recorded in
February33AQI
202342AQI
30
1
24
4
29
2
21
9
19
12
23
7
4
27
23
8
15
15
30
1
27
2
31
276
88
Highest AQI recorded in
July61AQI
Lowest AQI recorded in
January34AQI
202242AQI
27
3
22
28
3
12
5
17
14
14
16
11
8
1
1
1
18
11
22
9
28
2
31
231
72
1
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
December31AQI
202149AQI
29
1
25
3
31
27
3
21
10
17
13
15
16
12
19
30
31
30
21
9
1
198
165
1
Highest AQI recorded in
September69AQI
Lowest AQI recorded in
January29AQI
202043AQI
2
20
14
4
21
9
16
15
16
13
2
10
18
2
15
15
30
30
1
174
75
4
Highest AQI recorded in
September62AQI
Lowest AQI recorded in
March18AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
49AQILeast Polluted Year Recorded
2022(Avg.)
42AQISanta Clarita's annual 2025 AQI (42) shows an average percentage change of -4.2% (improved AQI) compared to previous years: 2020 (43), 2021 (49), 2022 (42), 2023 (42), 2024 (47).
