San Rafael, 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
San Rafael, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
17th Oct 2025
57AQILowest AQI recorded on
8th Oct 2022
14AQISame Day Analysis (27th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 21 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 27th Oct - 28th Oct 2025
San Rafael, California, United States
AQI
Day
Night
.
7 AM27th Oct 2025
6 PM
6 AM28th Oct 2025
Day time
Avg. Highest Time
4PM27th Oct
33AQI
Avg. Lowest Time
6PM27th Oct
11AQI
Night time
Avg. Highest Time
10PM27th Oct
39AQI
Avg. Lowest Time
2AM28th Oct
11AQI
In the last 24 hours,
San Rafael's AQI reached its highest point of 39 at 10 PM during the Night, while the lowest point, 11, was recorded at 2 AM during the Night between 27th Oct and 28th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
San Rafael, 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 2025307 AMAQI
28th Sep 2025218 AMAQI
28th Sep 2025239 AMAQI
28th Sep 20254410 AMAQI
28th Sep 20255311 AMAQI
28th Sep 20255712 PMAQI
28th Sep 2025611 PMAQI
28th Sep 2025552 PMAQI
28th Sep 2025573 PMAQI
28th Sep 2025514 PMAQI
28th Sep 2025435 PMAQI
28th Sep 2025396 PMAQI
28th Sep 2025267 PMAQI
28th Sep 2025208 PMAQI
28th Sep 2025209 PMAQI
28th Sep 20251610 PMAQI
28th Sep 20251711 PMAQI
29th Sep 20251512 AMAQI
29th Sep 2025131 AMAQI
29th Sep 2025132 AMAQI
29th Sep 2025173 AMAQI
29th Sep 2025214 AMAQI
29th Sep 2025165 AMAQI
29th Sep 2025176 AMAQI
18°C14/22°C
29th Sep 2025167 AMAQI
29th Sep 2025238 AMAQI
29th Sep 2025309 AMAQI
29th Sep 20254710 AMAQI
29th Sep 20254111 AMAQI
29th Sep 20253912 PMAQI
29th Sep 2025371 PMAQI
29th Sep 2025272 PMAQI
29th Sep 2025283 PMAQI
29th Sep 2025384 PMAQI
29th Sep 2025315 PMAQI
29th Sep 2025286 PMAQI
29th Sep 2025237 PMAQI
29th Sep 2025178 PMAQI
29th Sep 2025169 PMAQI
29th Sep 20252010 PMAQI
29th Sep 20252411 PMAQI
30th Sep 20252212 AMAQI
30th Sep 2025171 AMAQI
30th Sep 2025152 AMAQI
30th Sep 2025143 AMAQI
30th Sep 2025174 AMAQI
30th Sep 2025175 AMAQI
30th Sep 2025176 AMAQI
19°C16/25°C
30th Sep 2025147 AMAQI
30th Sep 2025158 AMAQI
30th Sep 2025159 AMAQI
30th Sep 20251710 AMAQI
30th Sep 20251611 AMAQI
30th Sep 20251712 PMAQI
30th Sep 2025161 PMAQI
30th Sep 2025152 PMAQI
30th Sep 2025123 PMAQI
30th Sep 2025144 PMAQI
30th Sep 2025145 PMAQI
30th Sep 2025146 PMAQI
30th Sep 2025137 PMAQI
30th Sep 2025128 PMAQI
30th Sep 2025139 PMAQI
30th Sep 20251210 PMAQI
30th Sep 20251311 PMAQI
1st Oct 20251712 AMAQI
1st Oct 2025171 AMAQI
1st Oct 2025222 AMAQI
1st Oct 2025233 AMAQI
1st Oct 2025244 AMAQI
1st Oct 2025185 AMAQI
1st Oct 2025226 AMAQI
19°C15/24°C
1st Oct 2025257 AMAQI
1st Oct 2025268 AMAQI
1st Oct 2025189 AMAQI
1st Oct 20253110 AMAQI
1st Oct 20254211 AMAQI
1st Oct 20254412 PMAQI
1st Oct 2025481 PMAQI
1st Oct 2025412 PMAQI
1st Oct 2025393 PMAQI
1st Oct 2025414 PMAQI
1st Oct 2025205 PMAQI
1st Oct 2025326 PMAQI
1st Oct 2025507 PMAQI
1st Oct 2025408 PMAQI
1st Oct 2025289 PMAQI
1st Oct 20255610 PMAQI
1st Oct 20255511 PMAQI
2nd Oct 20254912 AMAQI
2nd Oct 2025471 AMAQI
2nd Oct 2025462 AMAQI
2nd Oct 2025403 AMAQI
2nd Oct 2025364 AMAQI
2nd Oct 2025365 AMAQI
2nd Oct 2025366 AMAQI
19°C16/22°C
2nd Oct 2025377 AMAQI
2nd Oct 2025208 AMAQI
2nd Oct 2025249 AMAQI
2nd Oct 20254110 AMAQI
2nd Oct 20255411 AMAQI
2nd Oct 20255612 PMAQI
2nd Oct 2025501 PMAQI
2nd Oct 2025482 PMAQI
2nd Oct 2025573 PMAQI
2nd Oct 2025554 PMAQI
2nd Oct 2025415 PMAQI
2nd Oct 2025406 PMAQI
2nd Oct 2025427 PMAQI
2nd Oct 2025398 PMAQI
2nd Oct 2025509 PMAQI
2nd Oct 20254110 PMAQI
2nd Oct 20254211 PMAQI
3rd Oct 20254912 AMAQI
3rd Oct 2025341 AMAQI
3rd Oct 2025342 AMAQI
3rd Oct 2025363 AMAQI
3rd Oct 2025324 AMAQI
3rd Oct 2025415 AMAQI
3rd Oct 2025386 AMAQI
19°C15/24°C
3rd Oct 2025327 AMAQI
3rd Oct 2025508 AMAQI
3rd Oct 2025459 AMAQI
3rd Oct 20254310 AMAQI
3rd Oct 20255011 AMAQI
3rd Oct 20254612 PMAQI
3rd Oct 2025391 PMAQI
3rd Oct 2025432 PMAQI
3rd Oct 2025523 PMAQI
3rd Oct 2025564 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025546 PMAQI
3rd Oct 2025527 PMAQI
3rd Oct 2025528 PMAQI
3rd Oct 2025549 PMAQI
3rd Oct 20255410 PMAQI
3rd Oct 20255811 PMAQI
4th Oct 20255812 AMAQI
4th Oct 2025451 AMAQI
4th Oct 2025422 AMAQI
4th Oct 2025463 AMAQI
4th Oct 2025464 AMAQI
4th Oct 2025495 AMAQI
4th Oct 2025466 AMAQI
17°C13/23°C
4th Oct 2025427 AMAQI
4th Oct 2025538 AMAQI
4th Oct 2025569 AMAQI
4th Oct 20255310 AMAQI
4th Oct 20255211 AMAQI
4th Oct 20255212 PMAQI
4th Oct 2025561 PMAQI
4th Oct 2025552 PMAQI
4th Oct 2025433 PMAQI
4th Oct 2025404 PMAQI
4th Oct 2025595 PMAQI
4th Oct 2025796 PMAQI
4th Oct 2025787 PMAQI
4th Oct 2025788 PMAQI
4th Oct 2025719 PMAQI
4th Oct 20255810 PMAQI
4th Oct 20256211 PMAQI
5th Oct 20256012 AMAQI
5th Oct 2025551 AMAQI
5th Oct 2025582 AMAQI
5th Oct 2025573 AMAQI
5th Oct 2025564 AMAQI
5th Oct 2025555 AMAQI
5th Oct 2025526 AMAQI
18°C12/28°C
5th Oct 2025507 AMAQI
5th Oct 2025538 AMAQI
5th Oct 2025489 AMAQI
5th Oct 20255610 AMAQI
5th Oct 20255911 AMAQI
5th Oct 20255512 PMAQI
5th Oct 2025391 PMAQI
5th Oct 2025432 PMAQI
5th Oct 2025523 PMAQI
5th Oct 2025664 PMAQI
5th Oct 2025645 PMAQI
5th Oct 2025586 PMAQI
5th Oct 2025577 PMAQI
5th Oct 2025608 PMAQI
5th Oct 2025679 PMAQI
5th Oct 20257110 PMAQI
5th Oct 20256511 PMAQI
6th Oct 20255312 AMAQI
6th Oct 2025431 AMAQI
6th Oct 2025522 AMAQI
6th Oct 2025533 AMAQI
6th Oct 2025564 AMAQI
6th Oct 2025575 AMAQI
6th Oct 2025626 AMAQI
19°C11/29°C
6th Oct 2025597 AMAQI
6th Oct 2025528 AMAQI
6th Oct 2025549 AMAQI
6th Oct 20255710 AMAQI
7th Oct 2025514 AMAQI
7th Oct 2025265 AMAQI
7th Oct 2025486 AMAQI
22°C13/32°C
7th Oct 2025557 AMAQI
7th Oct 2025518 AMAQI
7th Oct 2025549 AMAQI
7th Oct 20255210 AMAQI
7th Oct 20255711 AMAQI
7th Oct 20255212 PMAQI
7th Oct 2025441 PMAQI
7th Oct 2025482 PMAQI
7th Oct 2025623 PMAQI
7th Oct 2025724 PMAQI
7th Oct 2025715 PMAQI
7th Oct 2025636 PMAQI
7th Oct 2025647 PMAQI
7th Oct 2025658 PMAQI
7th Oct 2025599 PMAQI
7th Oct 20254110 PMAQI
7th Oct 20254111 PMAQI
8th Oct 20254112 AMAQI
8th Oct 2025481 AMAQI
8th Oct 2025562 AMAQI
8th Oct 2025563 AMAQI
8th Oct 2025544 AMAQI
8th Oct 2025555 AMAQI
8th Oct 2025626 AMAQI
23°C15/34°C
8th Oct 2025567 AMAQI
8th Oct 2025538 AMAQI
8th Oct 2025589 AMAQI
8th Oct 20255810 AMAQI
8th Oct 20255911 AMAQI
8th Oct 20255912 PMAQI
8th Oct 2025521 PMAQI
8th Oct 2025422 PMAQI
8th Oct 2025453 PMAQI
8th Oct 2025564 PMAQI
8th Oct 2025585 PMAQI
8th Oct 2025516 PMAQI
8th Oct 2025417 PMAQI
8th Oct 2025478 PMAQI
8th Oct 2025559 PMAQI
8th Oct 20255410 PMAQI
8th Oct 20255311 PMAQI
9th Oct 20255412 AMAQI
9th Oct 2025541 AMAQI
9th Oct 2025492 AMAQI
9th Oct 2025503 AMAQI
9th Oct 2025544 AMAQI
9th Oct 2025485 AMAQI
9th Oct 2025506 AMAQI
16°C12/22°C
9th Oct 2025527 AMAQI
9th Oct 2025508 AMAQI
9th Oct 2025519 AMAQI
9th Oct 20255410 AMAQI
9th Oct 20254811 AMAQI
9th Oct 20255512 PMAQI
9th Oct 2025651 PMAQI
9th Oct 2025632 PMAQI
9th Oct 2025673 PMAQI
9th Oct 2025544 PMAQI
9th Oct 2025545 PMAQI
9th Oct 2025586 PMAQI
9th Oct 2025527 PMAQI
9th Oct 2025508 PMAQI
9th Oct 2025399 PMAQI
9th Oct 20254510 PMAQI
9th Oct 20255611 PMAQI
10th Oct 20255612 AMAQI
10th Oct 2025561 AMAQI
10th Oct 2025552 AMAQI
10th Oct 2025553 AMAQI
10th Oct 2025534 AMAQI
10th Oct 2025545 AMAQI
10th Oct 2025466 AMAQI
17°C14/22°C
10th Oct 2025547 AMAQI
10th Oct 2025558 AMAQI
10th Oct 2025509 AMAQI
10th Oct 20255210 AMAQI
10th Oct 20255511 AMAQI
10th Oct 20255112 PMAQI
10th Oct 2025521 PMAQI
10th Oct 2025472 PMAQI
10th Oct 2025513 PMAQI
10th Oct 2025554 PMAQI
10th Oct 2025565 PMAQI
10th Oct 2025436 PMAQI
10th Oct 2025537 PMAQI
10th Oct 2025488 PMAQI
10th Oct 2025569 PMAQI
10th Oct 20255410 PMAQI
10th Oct 20255311 PMAQI
11th Oct 20255612 AMAQI
11th Oct 2025541 AMAQI
11th Oct 2025532 AMAQI
11th Oct 2025533 AMAQI
11th Oct 2025544 AMAQI
11th Oct 2025545 AMAQI
11th Oct 2025456 AMAQI
17°C11/25°C
11th Oct 2025217 AMAQI
11th Oct 2025498 AMAQI
11th Oct 2025499 AMAQI
11th Oct 20255210 AMAQI
11th Oct 20255311 AMAQI
11th Oct 20255012 PMAQI
11th Oct 2025401 PMAQI
11th Oct 2025422 PMAQI
11th Oct 2025543 PMAQI
11th Oct 2025504 PMAQI
11th Oct 2025535 PMAQI
11th Oct 2025516 PMAQI
11th Oct 2025537 PMAQI
11th Oct 2025488 PMAQI
11th Oct 2025479 PMAQI
11th Oct 20255110 PMAQI
11th Oct 20254311 PMAQI
12th Oct 20255312 AMAQI
12th Oct 2025501 AMAQI
12th Oct 2025532 AMAQI
12th Oct 2025543 AMAQI
12th Oct 2025534 AMAQI
12th Oct 2025455 AMAQI
12th Oct 2025336 AMAQI
17°C11/25°C
12th Oct 2025247 AMAQI
12th Oct 2025438 AMAQI
12th Oct 2025449 AMAQI
12th Oct 20255610 AMAQI
12th Oct 20255111 AMAQI
12th Oct 20255412 PMAQI
12th Oct 2025531 PMAQI
12th Oct 2025462 PMAQI
12th Oct 2025453 PMAQI
12th Oct 2025454 PMAQI
12th Oct 2025495 PMAQI
12th Oct 2025516 PMAQI
12th Oct 2025577 PMAQI
12th Oct 2025518 PMAQI
12th Oct 2025559 PMAQI
12th Oct 20255610 PMAQI
12th Oct 20256011 PMAQI
13th Oct 20255312 AMAQI
13th Oct 2025491 AMAQI
13th Oct 2025442 AMAQI
13th Oct 2025453 AMAQI
13th Oct 2025564 AMAQI
13th Oct 2025535 AMAQI
13th Oct 2025476 AMAQI
17°C11/25°C
13th Oct 2025477 AMAQI
13th Oct 2025548 AMAQI
13th Oct 2025549 AMAQI
13th Oct 20255410 AMAQI
13th Oct 20254911 AMAQI
13th Oct 20255112 PMAQI
13th Oct 2025541 PMAQI
13th Oct 2025502 PMAQI
13th Oct 2025443 PMAQI
13th Oct 2025504 PMAQI
13th Oct 2025535 PMAQI
13th Oct 2025496 PMAQI
13th Oct 2025537 PMAQI
13th Oct 2025498 PMAQI
13th Oct 2025469 PMAQI
13th Oct 20255610 PMAQI
13th Oct 20256711 PMAQI
14th Oct 20255112 AMAQI
14th Oct 2025551 AMAQI
14th Oct 2025542 AMAQI
14th Oct 2025443 AMAQI
14th Oct 2025274 AMAQI
14th Oct 2025385 AMAQI
14th Oct 2025406 AMAQI
14°C10/18°C
14th Oct 2025427 AMAQI
14th Oct 2025488 AMAQI
14th Oct 2025459 AMAQI
14th Oct 20253310 AMAQI
14th Oct 20254911 AMAQI
14th Oct 20254912 PMAQI
14th Oct 2025491 PMAQI
14th Oct 2025412 PMAQI
14th Oct 2025433 PMAQI
14th Oct 2025374 PMAQI
14th Oct 2025275 PMAQI
14th Oct 2025396 PMAQI
14th Oct 2025477 PMAQI
14th Oct 2025298 PMAQI
14th Oct 2025449 PMAQI
14th Oct 20255710 PMAQI
14th Oct 20254711 PMAQI
15th Oct 20254512 AMAQI
15th Oct 2025441 AMAQI
15th Oct 2025462 AMAQI
15th Oct 2025453 AMAQI
15th Oct 2025474 AMAQI
15th Oct 2025475 AMAQI
15th Oct 2025486 AMAQI
13°C11/16°C
15th Oct 2025467 AMAQI
15th Oct 2025428 AMAQI
15th Oct 2025459 AMAQI
15th Oct 20254410 AMAQI
15th Oct 20254511 AMAQI
15th Oct 20254512 PMAQI
15th Oct 2025541 PMAQI
15th Oct 2025452 PMAQI
15th Oct 2025463 PMAQI
15th Oct 2025484 PMAQI
15th Oct 2025465 PMAQI
15th Oct 2025476 PMAQI
15th Oct 2025537 PMAQI
15th Oct 2025558 PMAQI
15th Oct 2025559 PMAQI
15th Oct 20255410 PMAQI
15th Oct 20255511 PMAQI
16th Oct 20255012 AMAQI
16th Oct 2025581 AMAQI
16th Oct 2025622 AMAQI
16th Oct 2025553 AMAQI
16th Oct 2025524 AMAQI
16th Oct 2025535 AMAQI
16th Oct 2025546 AMAQI
14°C12/17°C
16th Oct 2025527 AMAQI
16th Oct 2025528 AMAQI
16th Oct 2025539 AMAQI
16th Oct 20255510 AMAQI
16th Oct 20255411 AMAQI
16th Oct 20255312 PMAQI
16th Oct 2025501 PMAQI
16th Oct 2025532 PMAQI
16th Oct 2025563 PMAQI
16th Oct 2025564 PMAQI
16th Oct 2025565 PMAQI
16th Oct 2025546 PMAQI
16th Oct 2025517 PMAQI
16th Oct 2025558 PMAQI
16th Oct 2025599 PMAQI
16th Oct 20255710 PMAQI
16th Oct 20255911 PMAQI
17th Oct 20255412 AMAQI
17th Oct 2025541 AMAQI
17th Oct 2025552 AMAQI
17th Oct 2025523 AMAQI
17th Oct 2025444 AMAQI
17th Oct 2025525 AMAQI
17th Oct 2025556 AMAQI
15°C10/22°C
17th Oct 2025587 AMAQI
17th Oct 2025528 AMAQI
17th Oct 2025599 AMAQI
17th Oct 20255810 AMAQI
17th Oct 20255911 AMAQI
17th Oct 20256212 PMAQI
17th Oct 2025481 PMAQI
17th Oct 2025452 PMAQI
17th Oct 2025543 PMAQI
17th Oct 2025624 PMAQI
17th Oct 2025575 PMAQI
17th Oct 2025606 PMAQI
17th Oct 2025567 PMAQI
17th Oct 2025568 PMAQI
17th Oct 2025639 PMAQI
17th Oct 20257210 PMAQI
17th Oct 20257011 PMAQI
18th Oct 20255712 AMAQI
18th Oct 2025511 AMAQI
18th Oct 2025612 AMAQI
18th Oct 2025663 AMAQI
18th Oct 2025654 AMAQI
18th Oct 2025635 AMAQI
18th Oct 2025556 AMAQI
17°C10/25°C
18th Oct 2025507 AMAQI
18th Oct 2025498 AMAQI
18th Oct 2025559 AMAQI
18th Oct 20255710 AMAQI
18th Oct 20255911 AMAQI
18th Oct 20256212 PMAQI
18th Oct 2025581 PMAQI
18th Oct 2025512 PMAQI
18th Oct 2025443 PMAQI
18th Oct 2025464 PMAQI
18th Oct 2025685 PMAQI
18th Oct 2025596 PMAQI
18th Oct 2025437 PMAQI
18th Oct 2025468 PMAQI
18th Oct 2025539 PMAQI
18th Oct 20254010 PMAQI
18th Oct 20254711 PMAQI
19th Oct 20255712 AMAQI
19th Oct 2025431 AMAQI
19th Oct 2025442 AMAQI
19th Oct 2025473 AMAQI
19th Oct 2025454 AMAQI
19th Oct 2025435 AMAQI
19th Oct 2025456 AMAQI
18°C11/28°C
19th Oct 2025437 AMAQI
19th Oct 2025468 AMAQI
19th Oct 2025529 AMAQI
19th Oct 20255510 AMAQI
19th Oct 20255811 AMAQI
19th Oct 20256412 PMAQI
19th Oct 2025721 PMAQI
19th Oct 2025622 PMAQI
19th Oct 2025693 PMAQI
19th Oct 2025664 PMAQI
19th Oct 2025685 PMAQI
19th Oct 2025756 PMAQI
19th Oct 2025827 PMAQI
19th Oct 2025648 PMAQI
19th Oct 2025699 PMAQI
19th Oct 20256110 PMAQI
19th Oct 20255811 PMAQI
20th Oct 20255912 AMAQI
20th Oct 2025591 AMAQI
20th Oct 2025572 AMAQI
20th Oct 2025563 AMAQI
20th Oct 2025584 AMAQI
20th Oct 2025565 AMAQI
20th Oct 2025536 AMAQI
17°C11/27°C
20th Oct 2025537 AMAQI
20th Oct 2025548 AMAQI
20th Oct 2025549 AMAQI
20th Oct 20255510 AMAQI
20th Oct 20255511 AMAQI
20th Oct 20256212 PMAQI
20th Oct 2025651 PMAQI
20th Oct 2025582 PMAQI
20th Oct 2025583 PMAQI
20th Oct 2025574 PMAQI
20th Oct 2025545 PMAQI
20th Oct 2025356 PMAQI
20th Oct 2025257 PMAQI
20th Oct 2025348 PMAQI
20th Oct 2025589 PMAQI
20th Oct 20256210 PMAQI
20th Oct 20256411 PMAQI
21st Oct 20256912 AMAQI
21st Oct 2025691 AMAQI
21st Oct 2025672 AMAQI
21st Oct 2025623 AMAQI
21st Oct 2025604 AMAQI
21st Oct 2025655 AMAQI
21st Oct 2025636 AMAQI
20°C12/29°C
21st Oct 2025157 AMAQI
21st Oct 2025118 AMAQI
21st Oct 2025199 AMAQI
21st Oct 20252510 AMAQI
21st Oct 20252011 AMAQI
21st Oct 20252512 PMAQI
21st Oct 2025291 PMAQI
21st Oct 2025222 PMAQI
21st Oct 2025373 PMAQI
21st Oct 2025574 PMAQI
21st Oct 2025335 PMAQI
21st Oct 2025166 PMAQI
21st Oct 2025227 PMAQI
21st Oct 2025308 PMAQI
21st Oct 2025349 PMAQI
21st Oct 20252810 PMAQI
21st Oct 20252511 PMAQI
22nd Oct 20252912 AMAQI
22nd Oct 2025311 AMAQI
22nd Oct 2025182 AMAQI
22nd Oct 2025223 AMAQI
22nd Oct 2025364 AMAQI
22nd Oct 2025255 AMAQI
22nd Oct 2025176 AMAQI
18°C13/28°C
22nd Oct 2025177 AMAQI
22nd Oct 2025148 AMAQI
22nd Oct 2025139 AMAQI
22nd Oct 20251910 AMAQI
22nd Oct 20252511 AMAQI
22nd Oct 20252212 PMAQI
22nd Oct 2025141 PMAQI
22nd Oct 2025202 PMAQI
22nd Oct 2025303 PMAQI
22nd Oct 2025384 PMAQI
22nd Oct 2025385 PMAQI
22nd Oct 2025306 PMAQI
22nd Oct 2025307 PMAQI
22nd Oct 2025388 PMAQI
22nd Oct 2025419 PMAQI
22nd Oct 20254210 PMAQI
22nd Oct 20254511 PMAQI
23rd Oct 20253612 AMAQI
23rd Oct 2025331 AMAQI
23rd Oct 2025332 AMAQI
23rd Oct 2025353 AMAQI
23rd Oct 2025394 AMAQI
23rd Oct 2025365 AMAQI
23rd Oct 2025306 AMAQI
16°C12/23°C
23rd Oct 2025257 AMAQI
23rd Oct 2025208 AMAQI
23rd Oct 2025159 AMAQI
23rd Oct 20251110 AMAQI
23rd Oct 20252011 AMAQI
23rd Oct 20253712 PMAQI
23rd Oct 2025501 PMAQI
23rd Oct 2025502 PMAQI
23rd Oct 2025533 PMAQI
23rd Oct 2025554 PMAQI
23rd Oct 2025505 PMAQI
23rd Oct 2025476 PMAQI
23rd Oct 2025427 PMAQI
23rd Oct 2025228 PMAQI
23rd Oct 2025189 PMAQI
23rd Oct 20253210 PMAQI
23rd Oct 20253711 PMAQI
24th Oct 20253112 AMAQI
24th Oct 2025241 AMAQI
24th Oct 2025192 AMAQI
24th Oct 2025283 AMAQI
24th Oct 2025254 AMAQI
24th Oct 2025375 AMAQI
24th Oct 2025326 AMAQI
15°C10/22°C
24th Oct 2025257 AMAQI
24th Oct 2025428 AMAQI
24th Oct 2025459 AMAQI
24th Oct 20253110 AMAQI
24th Oct 20251711 AMAQI
24th Oct 20251712 PMAQI
24th Oct 2025201 PMAQI
24th Oct 2025222 PMAQI
24th Oct 2025253 PMAQI
24th Oct 2025204 PMAQI
24th Oct 2025115 PMAQI
24th Oct 2025116 PMAQI
24th Oct 2025117 PMAQI
24th Oct 2025118 PMAQI
24th Oct 2025339 PMAQI
24th Oct 20254210 PMAQI
24th Oct 20252011 PMAQI
25th Oct 20251112 AMAQI
25th Oct 2025111 AMAQI
25th Oct 2025202 AMAQI
25th Oct 2025263 AMAQI
25th Oct 2025224 AMAQI
25th Oct 2025225 AMAQI
25th Oct 2025206 AMAQI
15°C10/22°C
25th Oct 2025167 AMAQI
25th Oct 2025118 AMAQI
25th Oct 2025119 AMAQI
25th Oct 20252210 AMAQI
25th Oct 20252211 AMAQI
25th Oct 20251112 PMAQI
25th Oct 2025111 PMAQI
25th Oct 2025112 PMAQI
25th Oct 2025323 PMAQI
25th Oct 2025324 PMAQI
25th Oct 2025145 PMAQI
25th Oct 2025206 PMAQI
25th Oct 2025317 PMAQI
25th Oct 2025408 PMAQI
25th Oct 2025419 PMAQI
25th Oct 20254210 PMAQI
25th Oct 20254211 PMAQI
26th Oct 20254012 AMAQI
26th Oct 2025291 AMAQI
26th Oct 2025332 AMAQI
26th Oct 2025443 AMAQI
26th Oct 2025444 AMAQI
26th Oct 2025445 AMAQI
26th Oct 2025286 AMAQI
15°C12/21°C
26th Oct 2025117 AMAQI
26th Oct 2025118 AMAQI
26th Oct 2025119 AMAQI
26th Oct 20251410 AMAQI
26th Oct 20252011 AMAQI
26th Oct 20252812 PMAQI
26th Oct 2025281 PMAQI
26th Oct 2025222 PMAQI
26th Oct 2025223 PMAQI
26th Oct 2025204 PMAQI
26th Oct 2025145 PMAQI
26th Oct 2025116 PMAQI
26th Oct 2025117 PMAQI
26th Oct 2025228 PMAQI
26th Oct 2025339 PMAQI
26th Oct 20253310 PMAQI
26th Oct 20253111 PMAQI
27th Oct 20252512 AMAQI
27th Oct 2025251 AMAQI
27th Oct 2025242 AMAQI
27th Oct 2025143 AMAQI
27th Oct 2025144 AMAQI
27th Oct 2025145 AMAQI
27th Oct 2025256 AMAQI
15°C12/20°C
27th Oct 2025247 AMAQI
27th Oct 2025168 AMAQI
27th Oct 2025229 AMAQI
27th Oct 20252210 AMAQI
27th Oct 20252511 AMAQI
27th Oct 20252112 PMAQI
27th Oct 2025181 PMAQI
27th Oct 2025282 PMAQI
27th Oct 2025323 PMAQI
27th Oct 2025334 PMAQI
27th Oct 2025225 PMAQI
27th Oct 2025116 PMAQI
27th Oct 2025117 PMAQI
27th Oct 2025118 PMAQI
27th Oct 2025259 PMAQI
27th Oct 20253910 PMAQI
27th Oct 20253011 PMAQI
28th Oct 20252012 AMAQI
28th Oct 2025151 AMAQI
28th Oct 2025112 AMAQI
28th Oct 2025203 AMAQI
28th Oct 2025244 AMAQI
28th Oct 2025145 AMAQI
28th Oct 2025206 AMAQI
15°C10/23°C
28th Oct 2025327 AMAQI
7 AM28th Oct 2025318 AMAQI
28th Oct 2025299 AMAQI
28th Oct 20253110 AMAQI
28th Oct 20252411 AMAQI
28th Oct 20252112 PMAQI
12 PM28th Oct 2025281 PMAQI
28th Oct 2025282 PMAQI
28th Oct 2025253 PMAQI
28th Oct 2025224 PMAQI
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
4 PM
46AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM
36AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 4 PM (Avg. 46), while the lowest AQI was between 7 AM to 7 AM (Avg. 36).
Night time
Avg. Highest Time
9 PM - 11 PM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
1 AM - 6 AM
41AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 46), while the lowest AQI was between 1 AM to 6 AM (Avg. 41).
2025 Days Vs Air Quality
San Rafael, California, United States
2025
95%
284
5%
16
Total number of days with different AQI categories in last 301 days in 2025 (64 days remaining)
Good
284 DaysModerate
16 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 301 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
San Rafael, 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
36AQI
36AQI
3rd January 2025
40AQI
40AQI
4th January 2025
31AQI
31AQI
5th January 2025
34AQI
34AQI
6th January 2025
30AQI
30AQI
7th January 2025
37AQI
37AQI
8th January 2025
26AQI
26AQI
9th January 2025
37AQI
37AQI
10th January 2025
43AQI
43AQI
11th January 2025
33AQI
33AQI
12th January 2025
25AQI
25AQI
13th January 2025
30AQI
30AQI
14th January 2025
26AQI
26AQI
15th January 2025
45AQI
45AQI
16th January 2025
49AQI
49AQI
17th January 2025
39AQI
39AQI
18th January 2025
43AQI
43AQI
19th January 2025
45AQI
45AQI
20th January 2025
34AQI
34AQI
21st January 2025
40AQI
40AQI
22nd January 2025
44AQI
44AQI
23rd January 2025
44AQI
44AQI
24th January 2025
57AQI
57AQI
25th January 2025
44AQI
44AQI
26th January 2025
41AQI
41AQI
27th January 2025
35AQI
35AQI
28th January 2025
40AQI
40AQI
29th January 2025
35AQI
35AQI
30th January 2025
32AQI
32AQI
31st January 2025
34AQI
34AQI
1st February 2025
27AQI
27AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
23AQI
23AQI
4th February 2025
25AQI
25AQI
5th February 2025
25AQI
25AQI
6th February 2025
24AQI
24AQI
7th February 2025
25AQI
25AQI
8th February 2025
24AQI
24AQI
9th February 2025
26AQI
26AQI
10th February 2025
26AQI
26AQI
11th February 2025
28AQI
28AQI
12th February 2025
26AQI
26AQI
13th February 2025
29AQI
29AQI
14th February 2025
29AQI
29AQI
15th February 2025
27AQI
27AQI
16th February 2025
27AQI
27AQI
17th February 2025
23AQI
23AQI
18th February 2025
25AQI
25AQI
19th February 2025
23AQI
23AQI
20th February 2025
24AQI
24AQI
21st February 2025
25AQI
25AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
24AQI
24AQI
24th February 2025
22AQI
22AQI
25th February 2025
25AQI
25AQI
26th February 2025
30AQI
30AQI
27th February 2025
31AQI
31AQI
28th February 2025
41AQI
41AQI
1st March 2025
34AQI
34AQI
2nd March 2025
31AQI
31AQI
3rd March 2025
25AQI
25AQI
4th March 2025
24AQI
24AQI
5th March 2025
24AQI
24AQI
6th March 2025
28AQI
28AQI
7th March 2025
25AQI
25AQI
8th March 2025
28AQI
28AQI
9th March 2025
33AQI
33AQI
10th March 2025
27AQI
27AQI
11th March 2025
28AQI
28AQI
12th March 2025
30AQI
30AQI
13th March 2025
22AQI
22AQI
14th March 2025
24AQI
24AQI
15th March 2025
51AQI
51AQI
16th March 2025
34AQI
34AQI
17th March 2025
18AQI
18AQI
18th March 2025
18AQI
18AQI
19th March 2025
20AQI
20AQI
20th March 2025
19AQI
19AQI
21st March 2025
23AQI
23AQI
22nd March 2025
22AQI
22AQI
23rd March 2025
30AQI
30AQI
24th March 2025
20AQI
20AQI
25th March 2025
25AQI
25AQI
26th March 2025
20AQI
20AQI
27th March 2025
19AQI
19AQI
28th March 2025
23AQI
23AQI
29th March 2025
22AQI
22AQI
30th March 2025
20AQI
20AQI
31st March 2025
20AQI
20AQI
1st April 2025
25AQI
25AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
19AQI
19AQI
4th April 2025
20AQI
20AQI
5th April 2025
20AQI
20AQI
6th April 2025
17AQI
17AQI
7th April 2025
14AQI
14AQI
8th April 2025
16AQI
16AQI
9th April 2025
19AQI
19AQI
10th April 2025
21AQI
21AQI
11th April 2025
20AQI
20AQI
12th April 2025
31AQI
31AQI
13th April 2025
33AQI
33AQI
14th April 2025
24AQI
24AQI
15th April 2025
24AQI
24AQI
16th April 2025
25AQI
25AQI
17th April 2025
19AQI
19AQI
18th April 2025
20AQI
20AQI
19th April 2025
27AQI
27AQI
20th April 2025
26AQI
26AQI
21st April 2025
32AQI
32AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
43AQI
43AQI
24th April 2025
31AQI
31AQI
25th April 2025
19AQI
19AQI
26th April 2025
21AQI
21AQI
27th April 2025
21AQI
21AQI
28th April 2025
22AQI
22AQI
29th April 2025
24AQI
24AQI
30th April 2025
32AQI
32AQI
1st May 2025
31AQI
31AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
18AQI
18AQI
4th May 2025
26AQI
26AQI
5th May 2025
23AQI
23AQI
6th May 2025
34AQI
34AQI
7th May 2025
30AQI
30AQI
8th May 2025
20AQI
20AQI
9th May 2025
25AQI
25AQI
10th May 2025
22AQI
22AQI
11th May 2025
24AQI
24AQI
12th May 2025
16AQI
16AQI
13th May 2025
17AQI
17AQI
14th May 2025
28AQI
28AQI
15th May 2025
27AQI
27AQI
16th May 2025
36AQI
36AQI
17th May 2025
22AQI
22AQI
18th May 2025
26AQI
26AQI
19th May 2025
25AQI
25AQI
20th May 2025
19AQI
19AQI
21st May 2025
35AQI
35AQI
22nd May 2025
23AQI
23AQI
23rd May 2025
20AQI
20AQI
24th May 2025
26AQI
26AQI
25th May 2025
19AQI
19AQI
26th May 2025
16AQI
16AQI
27th May 2025
24AQI
24AQI
28th May 2025
23AQI
23AQI
29th May 2025
19AQI
19AQI
30th May 2025
24AQI
24AQI
31st May 2025
41AQI
41AQI
1st June 2025
48AQI
48AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
29AQI
29AQI
4th June 2025
42AQI
42AQI
5th June 2025
23AQI
23AQI
6th June 2025
17AQI
17AQI
7th June 2025
19AQI
19AQI
8th June 2025
17AQI
17AQI
9th June 2025
18AQI
18AQI
10th June 2025
22AQI
22AQI
11th June 2025
38AQI
38AQI
12th June 2025
43AQI
43AQI
13th June 2025
42AQI
42AQI
14th June 2025
44AQI
44AQI
15th June 2025
48AQI
48AQI
16th June 2025
34AQI
34AQI
17th June 2025
31AQI
31AQI
18th June 2025
29AQI
29AQI
19th June 2025
38AQI
38AQI
20th June 2025
37AQI
37AQI
21st June 2025
38AQI
38AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
36AQI
36AQI
24th June 2025
23AQI
23AQI
25th June 2025
19AQI
19AQI
26th June 2025
26AQI
26AQI
27th June 2025
30AQI
30AQI
28th June 2025
29AQI
29AQI
29th June 2025
23AQI
23AQI
30th June 2025
19AQI
19AQI
1st July 2025
20AQI
20AQI
2nd July 2025
19AQI
19AQI
3rd July 2025
32AQI
32AQI
4th July 2025
30AQI
30AQI
5th July 2025
32AQI
32AQI
6th July 2025
30AQI
30AQI
7th July 2025
20AQI
20AQI
8th July 2025
19AQI
19AQI
9th July 2025
17AQI
17AQI
10th July 2025
18AQI
18AQI
11th July 2025
26AQI
26AQI
12th July 2025
25AQI
25AQI
13th July 2025
20AQI
20AQI
14th July 2025
17AQI
17AQI
15th July 2025
16AQI
16AQI
16th July 2025
18AQI
18AQI
17th July 2025
16AQI
16AQI
18th July 2025
16AQI
16AQI
19th July 2025
18AQI
18AQI
20th July 2025
18AQI
18AQI
21st July 2025
22AQI
22AQI
22nd July 2025
14AQI
14AQI
23rd July 2025
15AQI
15AQI
24th July 2025
16AQI
16AQI
25th July 2025
15AQI
15AQI
26th July 2025
15AQI
15AQI
27th July 2025
16AQI
16AQI
28th July 2025
18AQI
18AQI
29th July 2025
26AQI
26AQI
30th July 2025
24AQI
24AQI
31st July 2025
23AQI
23AQI
1st August 2025
22AQI
22AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
32AQI
32AQI
4th August 2025
31AQI
31AQI
5th August 2025
28AQI
28AQI
6th August 2025
32AQI
32AQI
7th August 2025
23AQI
23AQI
8th August 2025
33AQI
33AQI
9th August 2025
29AQI
29AQI
10th August 2025
23AQI
23AQI
11th August 2025
24AQI
24AQI
12th August 2025
25AQI
25AQI
13th August 2025
23AQI
23AQI
14th August 2025
19AQI
19AQI
15th August 2025
36AQI
36AQI
16th August 2025
19AQI
19AQI
17th August 2025
15AQI
15AQI
18th August 2025
17AQI
17AQI
19th August 2025
21AQI
21AQI
20th August 2025
25AQI
25AQI
21st August 2025
40AQI
40AQI
22nd August 2025
44AQI
44AQI
23rd August 2025
29AQI
29AQI
24th August 2025
21AQI
21AQI
25th August 2025
25AQI
25AQI
26th August 2025
29AQI
29AQI
27th August 2025
35AQI
35AQI
28th August 2025
31AQI
31AQI
29th August 2025
27AQI
27AQI
30th August 2025
32AQI
32AQI
31st August 2025
30AQI
30AQI
1st September 2025
24AQI
24AQI
2nd September 2025
37AQI
37AQI
3rd September 2025
26AQI
26AQI
4th September 2025
31AQI
31AQI
5th September 2025
22AQI
22AQI
6th September 2025
25AQI
25AQI
7th September 2025
23AQI
23AQI
8th September 2025
21AQI
21AQI
9th September 2025
16AQI
16AQI
10th September 2025
18AQI
18AQI
11th September 2025
30AQI
30AQI
12th September 2025
27AQI
27AQI
13th September 2025
30AQI
30AQI
14th September 2025
21AQI
21AQI
15th September 2025
19AQI
19AQI
16th September 2025
26AQI
26AQI
17th September 2025
26AQI
26AQI
18th September 2025
29AQI
29AQI
19th September 2025
27AQI
27AQI
20th September 2025
31AQI
31AQI
21st September 2025
24AQI
24AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
27AQI
27AQI
24th September 2025
37AQI
37AQI
25th September 2025
27AQI
27AQI
26th September 2025
35AQI
35AQI
27th September 2025
45AQI
45AQI
28th September 2025
34AQI
34AQI
29th September 2025
24AQI
24AQI
30th September 2025
15AQI
15AQI
1st October 2025
31AQI
31AQI
2nd October 2025
43AQI
43AQI
3rd October 2025
45AQI
45AQI
4th October 2025
56AQI
56AQI
5th October 2025
56AQI
56AQI
6th October 2025
51AQI
51AQI
7th October 2025
54AQI
54AQI
8th October 2025
52AQI
52AQI
9th October 2025
52AQI
52AQI
10th October 2025
53AQI
53AQI
11th October 2025
50AQI
50AQI
12th October 2025
51AQI
51AQI
13th October 2025
51AQI
51AQI
14th October 2025
44AQI
44AQI
15th October 2025
48AQI
48AQI
16th October 2025
55AQI
55AQI
17th October 2025
57AQI
57AQI
18th October 2025
55AQI
55AQI
19th October 2025
57AQI
57AQI
20th October 2025
53AQI
53AQI
21st October 2025
40AQI
40AQI
22nd October 2025
28AQI
28AQI
23rd October 2025
34AQI
34AQI
24th October 2025
24AQI
24AQI
25th October 2025
23AQI
23AQI
26th October 2025
26AQI
26AQI
27th October 2025
21AQI
21AQI
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
38AQI
26AQI
25AQI
24AQI
24AQI
31AQI
20AQI
27AQI
27AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
30
1
28
30
1
30
31
30
31
31
30
13
14
284
16
Highest AQI recorded in
October45AQI
Lowest AQI recorded in
July20AQI
202429AQI
26
26
31
30
31
26
3
31
31
30
30
1
26
4
19
12
337
20
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
September22AQI
202329AQI
31
27
1
30
30
30
1
30
31
28
3
25
5
31
29
28
1
350
11
Highest AQI recorded in
February34AQI
Lowest AQI recorded in
June25AQI
202232AQI
25
5
21
1
31
27
30
1
30
20
1
25
4
31
27
3
22
9
290
23
Highest AQI recorded in
December42AQI
Lowest AQI recorded in
July25AQI
202133AQI
29
1
28
31
29
1
29
2
28
2
31
22
9
21
9
30
1
24
6
27
4
329
35
Highest AQI recorded in
September41AQI
Lowest AQI recorded in
July26AQI
202036AQI
13
20
18
29
1
31
19
9
15
10
1
3
1
22
6
2
28
2
24
7
219
35
3
3
1
Highest AQI recorded in
September64AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
36AQILeast Polluted Year Recorded
2025(Avg.)
29AQISan Rafael's annual 2025 AQI (29) shows an average percentage change of -9.3% (improved AQI) compared to previous years: 2020 (36), 2021 (33), 2022 (32), 2023 (29), 2024 (29).
