San Diego Beardsley, Coronado, 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 Diego Beardsley, Coronado, California, United States
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Oct 2024
72AQILowest AQI recorded on
8th Oct 2024
18AQISame Day Analysis (25th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 59 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
San Diego Beardsley, Coronado, California, United States
AQI
Day
Night
.
6 AM25th Oct 2025
6 PM
5 AM26th Oct 2025
Day time
Avg. Highest Time
7AM25th Oct
73AQI
Avg. Lowest Time
6PM25th Oct
50AQI
Night time
Avg. Highest Time
6AM25th Oct
70AQI
Avg. Lowest Time
9PM25th Oct
50AQI
In the last 24 hours,
San Diego Beardsley's AQI reached its highest point of 73 at 7 AM during the Day, while the lowest point, 50, was recorded at 9 PM during the Night between 25th Oct and 26th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
San Diego Beardsley, Coronado, 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 2025246 AMAQI
26th Sep 2025247 AMAQI
26th Sep 2025248 AMAQI
26th Sep 2025249 AMAQI
26th Sep 20252210 AMAQI
26th Sep 20252411 AMAQI
26th Sep 20252812 PMAQI
26th Sep 2025301 PMAQI
26th Sep 2025392 PMAQI
26th Sep 2025423 PMAQI
26th Sep 2025304 PMAQI
26th Sep 2025315 PMAQI
26th Sep 2025316 PMAQI
26th Sep 2025317 PMAQI
26th Sep 2025318 PMAQI
26th Sep 2025309 PMAQI
26th Sep 20253010 PMAQI
26th Sep 20252511 PMAQI
27th Sep 20251112 AMAQI
27th Sep 2025111 AMAQI
27th Sep 2025112 AMAQI
27th Sep 2025113 AMAQI
27th Sep 2025134 AMAQI
27th Sep 2025175 AMAQI
20°C18/23°C
27th Sep 2025196 AMAQI
27th Sep 2025247 AMAQI
27th Sep 2025288 AMAQI
27th Sep 2025309 AMAQI
27th Sep 20253210 AMAQI
27th Sep 20252611 AMAQI
27th Sep 20252612 PMAQI
27th Sep 2025261 PMAQI
27th Sep 2025232 PMAQI
27th Sep 2025233 PMAQI
27th Sep 2025184 PMAQI
27th Sep 2025175 PMAQI
27th Sep 2025176 PMAQI
27th Sep 2025177 PMAQI
27th Sep 2025178 PMAQI
27th Sep 2025189 PMAQI
27th Sep 20252310 PMAQI
27th Sep 20253011 PMAQI
28th Sep 20253512 AMAQI
28th Sep 2025391 AMAQI
28th Sep 2025392 AMAQI
28th Sep 2025373 AMAQI
28th Sep 2025334 AMAQI
28th Sep 2025335 AMAQI
20°C18/23°C
28th Sep 2025356 AMAQI
28th Sep 2025407 AMAQI
28th Sep 2025428 AMAQI
28th Sep 2025399 AMAQI
28th Sep 20254110 AMAQI
28th Sep 20254611 AMAQI
28th Sep 20255312 PMAQI
28th Sep 2025581 PMAQI
28th Sep 2025602 PMAQI
28th Sep 2025583 PMAQI
28th Sep 2025584 PMAQI
28th Sep 2025545 PMAQI
28th Sep 2025506 PMAQI
28th Sep 2025457 PMAQI
28th Sep 2025448 PMAQI
28th Sep 2025449 PMAQI
28th Sep 20254910 PMAQI
28th Sep 20255311 PMAQI
29th Sep 20255512 AMAQI
29th Sep 2025581 AMAQI
29th Sep 2025602 AMAQI
29th Sep 2025583 AMAQI
29th Sep 2025564 AMAQI
29th Sep 2025555 AMAQI
21°C17/28°C
29th Sep 2025536 AMAQI
29th Sep 2025507 AMAQI
29th Sep 2025418 AMAQI
29th Sep 2025449 AMAQI
29th Sep 20254510 AMAQI
29th Sep 20254811 AMAQI
29th Sep 20255312 PMAQI
29th Sep 2025471 PMAQI
29th Sep 2025542 PMAQI
29th Sep 2025613 PMAQI
29th Sep 2025484 PMAQI
29th Sep 2025495 PMAQI
29th Sep 2025456 PMAQI
29th Sep 2025437 PMAQI
29th Sep 2025378 PMAQI
29th Sep 2025419 PMAQI
29th Sep 20254210 PMAQI
29th Sep 20254511 PMAQI
30th Sep 20255012 AMAQI
30th Sep 2025451 AMAQI
30th Sep 2025522 AMAQI
30th Sep 2025513 AMAQI
30th Sep 2025404 AMAQI
30th Sep 2025495 AMAQI
21°C17/24°C
30th Sep 2025486 AMAQI
30th Sep 2025417 AMAQI
30th Sep 2025458 AMAQI
30th Sep 2025439 AMAQI
30th Sep 20254010 AMAQI
30th Sep 20253411 AMAQI
30th Sep 20254112 PMAQI
30th Sep 2025471 PMAQI
30th Sep 2025462 PMAQI
30th Sep 2025433 PMAQI
30th Sep 2025454 PMAQI
30th Sep 2025455 PMAQI
30th Sep 2025446 PMAQI
30th Sep 2025427 PMAQI
30th Sep 2025428 PMAQI
30th Sep 2025439 PMAQI
30th Sep 20255110 PMAQI
30th Sep 20255611 PMAQI
1st Oct 20256212 AMAQI
1st Oct 2025661 AMAQI
1st Oct 2025672 AMAQI
1st Oct 2025673 AMAQI
1st Oct 2025524 AMAQI
1st Oct 2025555 AMAQI
21°C18/24°C
1st Oct 2025536 AMAQI
1st Oct 2025537 AMAQI
1st Oct 2025548 AMAQI
1st Oct 2025549 AMAQI
1st Oct 20255810 AMAQI
1st Oct 20256111 AMAQI
1st Oct 20256212 PMAQI
1st Oct 2025581 PMAQI
1st Oct 2025572 PMAQI
1st Oct 2025403 PMAQI
1st Oct 2025354 PMAQI
1st Oct 2025445 PMAQI
1st Oct 2025476 PMAQI
1st Oct 2025357 PMAQI
1st Oct 2025178 PMAQI
1st Oct 2025189 PMAQI
1st Oct 20251410 PMAQI
1st Oct 20251411 PMAQI
2nd Oct 20251412 AMAQI
2nd Oct 2025141 AMAQI
2nd Oct 2025142 AMAQI
2nd Oct 2025143 AMAQI
2nd Oct 2025134 AMAQI
2nd Oct 2025255 AMAQI
20°C15/28°C
2nd Oct 2025346 AMAQI
2nd Oct 2025417 AMAQI
2nd Oct 2025448 AMAQI
2nd Oct 2025499 AMAQI
2nd Oct 20255410 AMAQI
2nd Oct 20255411 AMAQI
2nd Oct 20254412 PMAQI
2nd Oct 2025431 PMAQI
2nd Oct 2025372 PMAQI
2nd Oct 2025333 PMAQI
2nd Oct 2025344 PMAQI
2nd Oct 2025375 PMAQI
2nd Oct 2025366 PMAQI
2nd Oct 2025387 PMAQI
2nd Oct 2025238 PMAQI
2nd Oct 2025169 PMAQI
2nd Oct 20251410 PMAQI
2nd Oct 20251411 PMAQI
3rd Oct 20251412 AMAQI
3rd Oct 2025141 AMAQI
3rd Oct 2025132 AMAQI
3rd Oct 2025123 AMAQI
3rd Oct 2025124 AMAQI
3rd Oct 2025165 AMAQI
21°C16/28°C
3rd Oct 2025236 AMAQI
3rd Oct 2025417 AMAQI
3rd Oct 2025388 AMAQI
3rd Oct 2025429 AMAQI
3rd Oct 20253610 AMAQI
3rd Oct 20254011 AMAQI
3rd Oct 20255212 PMAQI
3rd Oct 2025501 PMAQI
3rd Oct 2025512 PMAQI
3rd Oct 2025293 PMAQI
3rd Oct 2025374 PMAQI
3rd Oct 2025405 PMAQI
3rd Oct 2025456 PMAQI
3rd Oct 2025437 PMAQI
3rd Oct 2025418 PMAQI
3rd Oct 2025469 PMAQI
3rd Oct 20255010 PMAQI
3rd Oct 20255111 PMAQI
4th Oct 20254612 AMAQI
4th Oct 2025491 AMAQI
4th Oct 2025512 AMAQI
4th Oct 2025473 AMAQI
4th Oct 2025444 AMAQI
4th Oct 2025505 AMAQI
20°C17/24°C
4th Oct 2025556 AMAQI
4th Oct 2025567 AMAQI
4th Oct 2025648 AMAQI
4th Oct 2025639 AMAQI
4th Oct 20255810 AMAQI
4th Oct 20255511 AMAQI
4th Oct 20255312 PMAQI
4th Oct 2025531 PMAQI
4th Oct 2025532 PMAQI
4th Oct 2025523 PMAQI
4th Oct 2025504 PMAQI
4th Oct 2025545 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025527 PMAQI
4th Oct 2025538 PMAQI
4th Oct 2025529 PMAQI
4th Oct 20255210 PMAQI
4th Oct 20255011 PMAQI
5th Oct 20255212 AMAQI
5th Oct 2025541 AMAQI
5th Oct 2025562 AMAQI
5th Oct 2025643 AMAQI
5th Oct 2025584 AMAQI
5th Oct 2025575 AMAQI
19°C15/25°C
5th Oct 2025576 AMAQI
5th Oct 2025567 AMAQI
5th Oct 2025558 AMAQI
5th Oct 2025559 AMAQI
5th Oct 20256010 AMAQI
5th Oct 20256111 AMAQI
5th Oct 20256312 PMAQI
5th Oct 2025611 PMAQI
5th Oct 2025622 PMAQI
5th Oct 2025603 PMAQI
5th Oct 2025564 PMAQI
5th Oct 2025545 PMAQI
5th Oct 2025506 PMAQI
5th Oct 2025497 PMAQI
5th Oct 2025538 PMAQI
5th Oct 2025499 PMAQI
5th Oct 20254810 PMAQI
5th Oct 20254811 PMAQI
6th Oct 20255212 AMAQI
6th Oct 2025511 AMAQI
6th Oct 2025502 AMAQI
6th Oct 2025523 AMAQI
6th Oct 2025514 AMAQI
6th Oct 2025525 AMAQI
18°C15/22°C
6th Oct 2025556 AMAQI
6th Oct 2025537 AMAQI
6th Oct 2025558 AMAQI
6th Oct 2025559 AMAQI
6th Oct 20255910 AMAQI
7th Oct 2025474 AMAQI
7th Oct 2025605 AMAQI
19°C17/22°C
7th Oct 2025616 AMAQI
7th Oct 2025617 AMAQI
7th Oct 2025588 AMAQI
7th Oct 2025619 AMAQI
7th Oct 20256510 AMAQI
7th Oct 20256911 AMAQI
7th Oct 20256612 PMAQI
7th Oct 2025601 PMAQI
7th Oct 2025612 PMAQI
7th Oct 2025623 PMAQI
7th Oct 2025654 PMAQI
7th Oct 2025635 PMAQI
7th Oct 2025626 PMAQI
7th Oct 2025577 PMAQI
7th Oct 2025548 PMAQI
7th Oct 2025509 PMAQI
7th Oct 20254910 PMAQI
7th Oct 20254011 PMAQI
8th Oct 20254812 AMAQI
8th Oct 2025491 AMAQI
8th Oct 2025522 AMAQI
8th Oct 2025553 AMAQI
8th Oct 2025534 AMAQI
8th Oct 2025555 AMAQI
18°C15/23°C
8th Oct 2025566 AMAQI
8th Oct 2025587 AMAQI
8th Oct 2025578 AMAQI
8th Oct 2025549 AMAQI
8th Oct 20256410 AMAQI
8th Oct 20256111 AMAQI
8th Oct 20256112 PMAQI
8th Oct 2025601 PMAQI
8th Oct 2025612 PMAQI
8th Oct 2025633 PMAQI
8th Oct 2025624 PMAQI
8th Oct 2025625 PMAQI
8th Oct 2025586 PMAQI
8th Oct 2025567 PMAQI
8th Oct 2025528 PMAQI
8th Oct 2025529 PMAQI
8th Oct 20255110 PMAQI
8th Oct 20254511 PMAQI
9th Oct 20254512 AMAQI
9th Oct 2025461 AMAQI
9th Oct 2025492 AMAQI
9th Oct 2025503 AMAQI
9th Oct 2025504 AMAQI
9th Oct 2025505 AMAQI
19°C15/23°C
9th Oct 2025456 AMAQI
9th Oct 2025437 AMAQI
9th Oct 2025488 AMAQI
9th Oct 2025509 AMAQI
9th Oct 20255610 AMAQI
9th Oct 20255211 AMAQI
9th Oct 20254412 PMAQI
9th Oct 2025451 PMAQI
9th Oct 2025452 PMAQI
9th Oct 2025463 PMAQI
9th Oct 2025444 PMAQI
9th Oct 2025445 PMAQI
9th Oct 2025456 PMAQI
9th Oct 2025427 PMAQI
9th Oct 2025378 PMAQI
9th Oct 2025429 PMAQI
9th Oct 20255110 PMAQI
9th Oct 20254211 PMAQI
10th Oct 20253512 AMAQI
10th Oct 2025351 AMAQI
10th Oct 2025422 AMAQI
10th Oct 2025433 AMAQI
10th Oct 2025404 AMAQI
10th Oct 2025345 AMAQI
20°C16/26°C
10th Oct 2025356 AMAQI
10th Oct 2025447 AMAQI
10th Oct 2025458 AMAQI
10th Oct 2025479 AMAQI
10th Oct 20255010 AMAQI
10th Oct 20255211 AMAQI
10th Oct 20255312 PMAQI
10th Oct 2025521 PMAQI
10th Oct 2025552 PMAQI
10th Oct 2025563 PMAQI
10th Oct 2025574 PMAQI
10th Oct 2025535 PMAQI
10th Oct 2025526 PMAQI
10th Oct 2025517 PMAQI
10th Oct 2025518 PMAQI
10th Oct 2025519 PMAQI
10th Oct 20254810 PMAQI
10th Oct 20254811 PMAQI
11th Oct 20254812 AMAQI
11th Oct 2025541 AMAQI
11th Oct 2025552 AMAQI
11th Oct 2025523 AMAQI
11th Oct 2025534 AMAQI
11th Oct 2025535 AMAQI
22°C18/30°C
11th Oct 2025556 AMAQI
11th Oct 2025507 AMAQI
11th Oct 2025518 AMAQI
11th Oct 2025559 AMAQI
11th Oct 20255510 AMAQI
11th Oct 20255511 AMAQI
11th Oct 20256012 PMAQI
11th Oct 2025541 PMAQI
11th Oct 2025502 PMAQI
11th Oct 2025523 PMAQI
11th Oct 2025524 PMAQI
11th Oct 2025495 PMAQI
11th Oct 2025516 PMAQI
11th Oct 2025547 PMAQI
11th Oct 2025548 PMAQI
11th Oct 2025569 PMAQI
11th Oct 20255410 PMAQI
11th Oct 20255111 PMAQI
12th Oct 20255512 AMAQI
12th Oct 2025561 AMAQI
12th Oct 2025572 AMAQI
12th Oct 2025583 AMAQI
12th Oct 2025624 AMAQI
12th Oct 2025605 AMAQI
20°C17/23°C
12th Oct 2025616 AMAQI
12th Oct 2025617 AMAQI
12th Oct 2025598 AMAQI
12th Oct 2025629 AMAQI
12th Oct 20256310 AMAQI
12th Oct 20256411 AMAQI
12th Oct 20256612 PMAQI
12th Oct 2025681 PMAQI
12th Oct 2025682 PMAQI
12th Oct 2025683 PMAQI
12th Oct 2025694 PMAQI
12th Oct 2025625 PMAQI
12th Oct 2025566 PMAQI
12th Oct 2025557 PMAQI
12th Oct 2025548 PMAQI
12th Oct 2025549 PMAQI
12th Oct 20255510 PMAQI
12th Oct 20255311 PMAQI
13th Oct 20255512 AMAQI
13th Oct 2025591 AMAQI
13th Oct 2025612 AMAQI
13th Oct 2025693 AMAQI
13th Oct 2025664 AMAQI
13th Oct 2025655 AMAQI
19°C16/23°C
13th Oct 2025666 AMAQI
13th Oct 2025637 AMAQI
13th Oct 2025628 AMAQI
13th Oct 2025659 AMAQI
13th Oct 20256410 AMAQI
13th Oct 20256311 AMAQI
13th Oct 20256012 PMAQI
13th Oct 2025591 PMAQI
13th Oct 2025552 PMAQI
13th Oct 2025553 PMAQI
13th Oct 2025574 PMAQI
13th Oct 2025595 PMAQI
13th Oct 2025596 PMAQI
13th Oct 2025597 PMAQI
13th Oct 2025578 PMAQI
13th Oct 2025579 PMAQI
13th Oct 20255610 PMAQI
13th Oct 20255611 PMAQI
14th Oct 20255612 AMAQI
14th Oct 2025561 AMAQI
14th Oct 2025532 AMAQI
14th Oct 2025533 AMAQI
14th Oct 2025574 AMAQI
14th Oct 2025565 AMAQI
18°C16/19°C
14th Oct 2025576 AMAQI
14th Oct 2025567 AMAQI
14th Oct 2025578 AMAQI
14th Oct 2025549 AMAQI
14th Oct 20255210 AMAQI
14th Oct 20255211 AMAQI
14th Oct 20255612 PMAQI
14th Oct 2025541 PMAQI
14th Oct 2025542 PMAQI
14th Oct 2025563 PMAQI
14th Oct 2025424 PMAQI
14th Oct 2025295 PMAQI
14th Oct 2025476 PMAQI
14th Oct 2025357 PMAQI
14th Oct 2025158 PMAQI
14th Oct 2025199 PMAQI
14th Oct 2025810 PMAQI
14th Oct 2025811 PMAQI
15th Oct 2025912 AMAQI
15th Oct 2025101 AMAQI
15th Oct 2025132 AMAQI
15th Oct 2025333 AMAQI
15th Oct 2025504 AMAQI
15th Oct 2025425 AMAQI
18°C15/20°C
15th Oct 2025206 AMAQI
15th Oct 2025417 AMAQI
15th Oct 2025348 AMAQI
15th Oct 2025389 AMAQI
15th Oct 20254110 AMAQI
15th Oct 20252511 AMAQI
15th Oct 20252912 PMAQI
15th Oct 2025261 PMAQI
15th Oct 2025292 PMAQI
15th Oct 2025143 PMAQI
15th Oct 2025124 PMAQI
15th Oct 2025145 PMAQI
15th Oct 2025126 PMAQI
15th Oct 2025107 PMAQI
15th Oct 2025108 PMAQI
15th Oct 2025129 PMAQI
15th Oct 20252310 PMAQI
15th Oct 20252011 PMAQI
16th Oct 20252112 AMAQI
16th Oct 2025331 AMAQI
16th Oct 2025202 AMAQI
16th Oct 2025133 AMAQI
16th Oct 2025364 AMAQI
16th Oct 2025425 AMAQI
16°C13/21°C
16th Oct 2025326 AMAQI
16th Oct 2025157 AMAQI
16th Oct 2025188 AMAQI
16th Oct 2025239 AMAQI
16th Oct 20254010 AMAQI
16th Oct 20254011 AMAQI
16th Oct 20253812 PMAQI
16th Oct 2025401 PMAQI
16th Oct 2025232 PMAQI
16th Oct 2025173 PMAQI
16th Oct 2025174 PMAQI
16th Oct 2025175 PMAQI
16th Oct 2025196 PMAQI
16th Oct 2025167 PMAQI
16th Oct 2025148 PMAQI
16th Oct 2025159 PMAQI
16th Oct 20252410 PMAQI
16th Oct 20251911 PMAQI
17th Oct 20253612 AMAQI
17th Oct 2025441 AMAQI
17th Oct 2025512 AMAQI
17th Oct 2025553 AMAQI
17th Oct 2025544 AMAQI
17th Oct 2025555 AMAQI
18°C12/26°C
17th Oct 2025416 AMAQI
17th Oct 2025427 AMAQI
17th Oct 2025548 AMAQI
17th Oct 2025599 AMAQI
17th Oct 20254810 AMAQI
17th Oct 20254511 AMAQI
17th Oct 20254812 PMAQI
17th Oct 2025381 PMAQI
17th Oct 2025312 PMAQI
17th Oct 2025503 PMAQI
17th Oct 2025474 PMAQI
17th Oct 2025385 PMAQI
17th Oct 2025376 PMAQI
17th Oct 2025387 PMAQI
17th Oct 2025428 PMAQI
17th Oct 2025449 PMAQI
17th Oct 20255110 PMAQI
17th Oct 20255411 PMAQI
18th Oct 20255712 AMAQI
18th Oct 2025671 AMAQI
18th Oct 2025632 AMAQI
18th Oct 2025563 AMAQI
18th Oct 2025604 AMAQI
18th Oct 2025545 AMAQI
19°C13/29°C
18th Oct 2025576 AMAQI
18th Oct 2025597 AMAQI
18th Oct 2025568 AMAQI
18th Oct 2025459 AMAQI
18th Oct 20254210 AMAQI
18th Oct 20255111 AMAQI
18th Oct 20255212 PMAQI
18th Oct 2025401 PMAQI
18th Oct 2025402 PMAQI
18th Oct 2025423 PMAQI
18th Oct 2025424 PMAQI
18th Oct 2025245 PMAQI
18th Oct 2025186 PMAQI
18th Oct 2025177 PMAQI
18th Oct 2025218 PMAQI
18th Oct 2025459 PMAQI
18th Oct 20255010 PMAQI
18th Oct 20255011 PMAQI
19th Oct 20255712 AMAQI
19th Oct 2025691 AMAQI
19th Oct 2025712 AMAQI
19th Oct 2025693 AMAQI
19th Oct 2025624 AMAQI
19th Oct 2025545 AMAQI
20°C13/31°C
19th Oct 2025526 AMAQI
19th Oct 2025507 AMAQI
19th Oct 2025448 AMAQI
19th Oct 2025269 AMAQI
19th Oct 20252210 AMAQI
19th Oct 20253611 AMAQI
19th Oct 20252912 PMAQI
19th Oct 2025331 PMAQI
19th Oct 2025342 PMAQI
19th Oct 2025263 PMAQI
19th Oct 2025264 PMAQI
19th Oct 2025535 PMAQI
19th Oct 2025576 PMAQI
19th Oct 2025417 PMAQI
19th Oct 2025178 PMAQI
19th Oct 2025189 PMAQI
19th Oct 20253710 PMAQI
19th Oct 20255611 PMAQI
20th Oct 20255712 AMAQI
20th Oct 2025591 AMAQI
20th Oct 2025642 AMAQI
20th Oct 2025643 AMAQI
20th Oct 2025594 AMAQI
20th Oct 2025355 AMAQI
19°C14/27°C
20th Oct 2025176 AMAQI
20th Oct 2025177 AMAQI
20th Oct 2025198 AMAQI
20th Oct 2025249 AMAQI
20th Oct 20253410 AMAQI
20th Oct 20255011 AMAQI
20th Oct 20255912 PMAQI
20th Oct 2025551 PMAQI
20th Oct 2025552 PMAQI
20th Oct 2025553 PMAQI
20th Oct 2025374 PMAQI
20th Oct 2025215 PMAQI
20th Oct 2025196 PMAQI
20th Oct 2025227 PMAQI
20th Oct 2025168 PMAQI
20th Oct 2025169 PMAQI
20th Oct 20253510 PMAQI
20th Oct 20255411 PMAQI
21st Oct 20255412 AMAQI
21st Oct 2025591 AMAQI
21st Oct 2025612 AMAQI
21st Oct 2025663 AMAQI
21st Oct 2025704 AMAQI
21st Oct 2025705 AMAQI
20°C14/30°C
21st Oct 2025666 AMAQI
21st Oct 2025607 AMAQI
21st Oct 2025558 AMAQI
21st Oct 2025519 AMAQI
21st Oct 20255010 AMAQI
21st Oct 20256011 AMAQI
21st Oct 20256212 PMAQI
21st Oct 2025631 PMAQI
21st Oct 2025612 PMAQI
21st Oct 2025573 PMAQI
21st Oct 2025554 PMAQI
21st Oct 2025545 PMAQI
21st Oct 2025536 PMAQI
21st Oct 2025547 PMAQI
21st Oct 2025548 PMAQI
21st Oct 2025549 PMAQI
21st Oct 20255310 PMAQI
21st Oct 20255511 PMAQI
22nd Oct 20255512 AMAQI
22nd Oct 2025561 AMAQI
22nd Oct 2025492 AMAQI
22nd Oct 2025483 AMAQI
22nd Oct 2025494 AMAQI
22nd Oct 2025495 AMAQI
18°C14/23°C
22nd Oct 2025506 AMAQI
22nd Oct 2025497 AMAQI
22nd Oct 2025508 AMAQI
22nd Oct 2025509 AMAQI
22nd Oct 20255210 AMAQI
22nd Oct 20255511 AMAQI
22nd Oct 20255312 PMAQI
22nd Oct 2025491 PMAQI
22nd Oct 2025492 PMAQI
22nd Oct 2025493 PMAQI
22nd Oct 2025444 PMAQI
22nd Oct 2025475 PMAQI
22nd Oct 2025446 PMAQI
22nd Oct 2025387 PMAQI
22nd Oct 2025428 PMAQI
22nd Oct 2025369 PMAQI
22nd Oct 20253610 PMAQI
22nd Oct 20253611 PMAQI
23rd Oct 20253612 AMAQI
23rd Oct 2025391 AMAQI
23rd Oct 2025392 AMAQI
23rd Oct 2025393 AMAQI
23rd Oct 2025394 AMAQI
23rd Oct 2025395 AMAQI
19°C15/23°C
23rd Oct 2025396 AMAQI
23rd Oct 2025397 AMAQI
23rd Oct 2025398 AMAQI
23rd Oct 2025399 AMAQI
23rd Oct 20253910 AMAQI
23rd Oct 20255611 AMAQI
23rd Oct 20257312 PMAQI
23rd Oct 2025731 PMAQI
23rd Oct 2025732 PMAQI
23rd Oct 2025573 PMAQI
23rd Oct 2025364 PMAQI
23rd Oct 2025365 PMAQI
23rd Oct 2025416 PMAQI
23rd Oct 2025387 PMAQI
23rd Oct 2025338 PMAQI
23rd Oct 2025339 PMAQI
23rd Oct 20253310 PMAQI
23rd Oct 20253611 PMAQI
24th Oct 20253912 AMAQI
24th Oct 2025421 AMAQI
24th Oct 2025472 AMAQI
24th Oct 2025553 AMAQI
24th Oct 2025804 AMAQI
24th Oct 2025925 AMAQI
19°C14/24°C
24th Oct 2025766 AMAQI
24th Oct 2025707 AMAQI
24th Oct 2025648 AMAQI
24th Oct 2025569 AMAQI
24th Oct 20255410 AMAQI
24th Oct 20255711 AMAQI
24th Oct 20255912 PMAQI
24th Oct 2025591 PMAQI
24th Oct 2025642 PMAQI
24th Oct 2025653 PMAQI
24th Oct 2025614 PMAQI
24th Oct 2025575 PMAQI
24th Oct 2025556 PMAQI
24th Oct 2025547 PMAQI
24th Oct 2025548 PMAQI
24th Oct 2025559 PMAQI
24th Oct 20255610 PMAQI
24th Oct 20255611 PMAQI
25th Oct 20255612 AMAQI
25th Oct 2025581 AMAQI
25th Oct 2025602 AMAQI
25th Oct 2025613 AMAQI
25th Oct 2025654 AMAQI
25th Oct 2025685 AMAQI
18°C13/24°C
25th Oct 2025706 AMAQI
25th Oct 2025737 AMAQI
25th Oct 2025738 AMAQI
25th Oct 2025729 AMAQI
25th Oct 20257010 AMAQI
25th Oct 20256311 AMAQI
25th Oct 20255812 PMAQI
25th Oct 2025601 PMAQI
25th Oct 2025652 PMAQI
25th Oct 2025613 PMAQI
25th Oct 2025574 PMAQI
25th Oct 2025535 PMAQI
25th Oct 2025506 PMAQI
25th Oct 2025507 PMAQI
25th Oct 2025508 PMAQI
25th Oct 2025509 PMAQI
25th Oct 20255210 PMAQI
25th Oct 20255411 PMAQI
26th Oct 20255612 AMAQI
26th Oct 2025561 AMAQI
26th Oct 2025592 AMAQI
26th Oct 2025613 AMAQI
26th Oct 2025614 AMAQI
26th Oct 2025615 AMAQI
18°C16/23°C
26th Oct 2025616 AMAQI
6 AM26th Oct 2025627 AMAQI
26th Oct 2025638 AMAQI
26th Oct 2025629 AMAQI
26th Oct 20256210 AMAQI
26th Oct 20256211 AMAQI
26th Oct 20255912 PMAQI
12 PM26th Oct 2025571 PMAQI
26th Oct 2025562 PMAQI
26th Oct 2025543 PMAQI
26th Oct 2025534 PMAQI
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 2 PM
51AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
5 PM - 6 PM
43AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 2 PM (Avg. 51), while the lowest AQI was between 5 PM to 6 PM (Avg. 43).
Night time
Avg. Highest Time
1 AM - 5 AM
48AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM - 9 PM
38AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 5 AM (Avg. 48), while the lowest AQI was between 8 PM to 9 PM (Avg. 38).
2025 Days Vs Air Quality
San Diego Beardsley, Coronado, California, United States
2025
70%
208
30%
90
Total number of days with different AQI categories in last 299 days in 2025 (66 days remaining)
Good
208 DaysModerate
90 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 299 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
San Diego Beardsley, Coronado, 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
72AQI
72AQI
2nd January 2025
67AQI
67AQI
3rd January 2025
69AQI
69AQI
4th January 2025
67AQI
67AQI
5th January 2025
63AQI
63AQI
6th January 2025
62AQI
62AQI
7th January 2025
61AQI
61AQI
8th January 2025
65AQI
65AQI
9th January 2025
59AQI
59AQI
10th January 2025
58AQI
58AQI
11th January 2025
60AQI
60AQI
12th January 2025
51AQI
51AQI
13th January 2025
50AQI
50AQI
14th January 2025
45AQI
45AQI
15th January 2025
47AQI
47AQI
16th January 2025
46AQI
46AQI
17th January 2025
47AQI
47AQI
18th January 2025
49AQI
49AQI
19th January 2025
54AQI
54AQI
20th January 2025
52AQI
52AQI
21st January 2025
48AQI
48AQI
22nd January 2025
49AQI
49AQI
23rd January 2025
48AQI
48AQI
24th January 2025
51AQI
51AQI
25th January 2025
62AQI
62AQI
26th January 2025
51AQI
51AQI
27th January 2025
52AQI
52AQI
28th January 2025
50AQI
50AQI
29th January 2025
52AQI
52AQI
30th January 2025
51AQI
51AQI
31st January 2025
55AQI
55AQI
1st February 2025
59AQI
59AQI
2nd February 2025
60AQI
60AQI
3rd February 2025
59AQI
59AQI
4th February 2025
56AQI
56AQI
5th February 2025
52AQI
52AQI
6th February 2025
49AQI
49AQI
7th February 2025
43AQI
43AQI
8th February 2025
39AQI
39AQI
9th February 2025
42AQI
42AQI
10th February 2025
45AQI
45AQI
11th February 2025
41AQI
41AQI
12th February 2025
39AQI
39AQI
13th February 2025
31AQI
31AQI
14th February 2025
38AQI
38AQI
15th February 2025
38AQI
38AQI
16th February 2025
38AQI
38AQI
17th February 2025
48AQI
48AQI
18th February 2025
40AQI
40AQI
19th February 2025
51AQI
51AQI
20th February 2025
52AQI
52AQI
21st February 2025
54AQI
54AQI
22nd February 2025
52AQI
52AQI
23rd February 2025
51AQI
51AQI
24th February 2025
52AQI
52AQI
25th February 2025
54AQI
54AQI
26th February 2025
54AQI
54AQI
27th February 2025
51AQI
51AQI
28th February 2025
50AQI
50AQI
1st March 2025
45AQI
45AQI
2nd March 2025
47AQI
47AQI
3rd March 2025
41AQI
41AQI
4th March 2025
45AQI
45AQI
5th March 2025
46AQI
46AQI
6th March 2025
39AQI
39AQI
7th March 2025
38AQI
38AQI
8th March 2025
36AQI
36AQI
9th March 2025
39AQI
39AQI
10th March 2025
38AQI
38AQI
11th March 2025
37AQI
37AQI
12th March 2025
33AQI
33AQI
13th March 2025
29AQI
29AQI
14th March 2025
27AQI
27AQI
15th March 2025
31AQI
31AQI
16th March 2025
39AQI
39AQI
17th March 2025
41AQI
41AQI
18th March 2025
38AQI
38AQI
19th March 2025
36AQI
36AQI
20th March 2025
35AQI
35AQI
21st March 2025
40AQI
40AQI
22nd March 2025
46AQI
46AQI
23rd March 2025
48AQI
48AQI
24th March 2025
51AQI
51AQI
25th March 2025
54AQI
54AQI
26th March 2025
46AQI
46AQI
27th March 2025
42AQI
42AQI
28th March 2025
41AQI
41AQI
29th March 2025
41AQI
41AQI
30th March 2025
41AQI
41AQI
31st March 2025
33AQI
33AQI
1st April 2025
37AQI
37AQI
2nd April 2025
35AQI
35AQI
3rd April 2025
37AQI
37AQI
4th April 2025
32AQI
32AQI
5th April 2025
33AQI
33AQI
6th April 2025
31AQI
31AQI
7th April 2025
37AQI
37AQI
8th April 2025
42AQI
42AQI
9th April 2025
45AQI
45AQI
10th April 2025
44AQI
44AQI
11th April 2025
44AQI
44AQI
12th April 2025
49AQI
49AQI
13th April 2025
44AQI
44AQI
14th April 2025
50AQI
50AQI
15th April 2025
44AQI
44AQI
16th April 2025
39AQI
39AQI
17th April 2025
34AQI
34AQI
18th April 2025
33AQI
33AQI
19th April 2025
35AQI
35AQI
20th April 2025
42AQI
42AQI
21st April 2025
42AQI
42AQI
22nd April 2025
43AQI
43AQI
23rd April 2025
42AQI
42AQI
24th April 2025
41AQI
41AQI
25th April 2025
38AQI
38AQI
26th April 2025
34AQI
34AQI
27th April 2025
29AQI
29AQI
28th April 2025
29AQI
29AQI
29th April 2025
33AQI
33AQI
30th April 2025
38AQI
38AQI
1st May 2025
33AQI
33AQI
2nd May 2025
35AQI
35AQI
3rd May 2025
31AQI
31AQI
4th May 2025
33AQI
33AQI
5th May 2025
29AQI
29AQI
6th May 2025
32AQI
32AQI
7th May 2025
35AQI
35AQI
8th May 2025
39AQI
39AQI
9th May 2025
44AQI
44AQI
10th May 2025
43AQI
43AQI
11th May 2025
48AQI
48AQI
12th May 2025
44AQI
44AQI
13th May 2025
36AQI
36AQI
14th May 2025
36AQI
36AQI
15th May 2025
42AQI
42AQI
16th May 2025
43AQI
43AQI
17th May 2025
41AQI
41AQI
18th May 2025
37AQI
37AQI
19th May 2025
41AQI
41AQI
20th May 2025
45AQI
45AQI
21st May 2025
47AQI
47AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
51AQI
51AQI
24th May 2025
50AQI
50AQI
25th May 2025
48AQI
48AQI
26th May 2025
47AQI
47AQI
27th May 2025
42AQI
42AQI
28th May 2025
41AQI
41AQI
29th May 2025
39AQI
39AQI
30th May 2025
41AQI
41AQI
31st May 2025
46AQI
46AQI
1st June 2025
46AQI
46AQI
2nd June 2025
42AQI
42AQI
3rd June 2025
36AQI
36AQI
4th June 2025
35AQI
35AQI
5th June 2025
30AQI
30AQI
6th June 2025
30AQI
30AQI
7th June 2025
30AQI
30AQI
8th June 2025
30AQI
30AQI
9th June 2025
33AQI
33AQI
10th June 2025
38AQI
38AQI
11th June 2025
40AQI
40AQI
12th June 2025
41AQI
41AQI
13th June 2025
48AQI
48AQI
14th June 2025
50AQI
50AQI
15th June 2025
52AQI
52AQI
16th June 2025
56AQI
56AQI
17th June 2025
58AQI
58AQI
18th June 2025
59AQI
59AQI
19th June 2025
56AQI
56AQI
20th June 2025
55AQI
55AQI
21st June 2025
52AQI
52AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
53AQI
53AQI
24th June 2025
55AQI
55AQI
25th June 2025
51AQI
51AQI
26th June 2025
48AQI
48AQI
27th June 2025
47AQI
47AQI
28th June 2025
47AQI
47AQI
29th June 2025
43AQI
43AQI
30th June 2025
38AQI
38AQI
1st July 2025
38AQI
38AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
41AQI
41AQI
4th July 2025
39AQI
39AQI
5th July 2025
54AQI
54AQI
6th July 2025
52AQI
52AQI
7th July 2025
51AQI
51AQI
8th July 2025
50AQI
50AQI
9th July 2025
41AQI
41AQI
10th July 2025
40AQI
40AQI
11th July 2025
47AQI
47AQI
12th July 2025
45AQI
45AQI
13th July 2025
41AQI
41AQI
14th July 2025
39AQI
39AQI
15th July 2025
34AQI
34AQI
16th July 2025
28AQI
28AQI
17th July 2025
25AQI
25AQI
18th July 2025
25AQI
25AQI
19th July 2025
36AQI
36AQI
20th July 2025
41AQI
41AQI
21st July 2025
35AQI
35AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
27AQI
27AQI
24th July 2025
28AQI
28AQI
25th July 2025
24AQI
24AQI
26th July 2025
22AQI
22AQI
27th July 2025
24AQI
24AQI
28th July 2025
27AQI
27AQI
29th July 2025
35AQI
35AQI
30th July 2025
47AQI
47AQI
31st July 2025
51AQI
51AQI
1st August 2025
50AQI
50AQI
2nd August 2025
45AQI
45AQI
3rd August 2025
47AQI
47AQI
4th August 2025
59AQI
59AQI
5th August 2025
65AQI
65AQI
6th August 2025
61AQI
61AQI
7th August 2025
59AQI
59AQI
8th August 2025
54AQI
54AQI
9th August 2025
52AQI
52AQI
10th August 2025
53AQI
53AQI
11th August 2025
54AQI
54AQI
12th August 2025
56AQI
56AQI
13th August 2025
56AQI
56AQI
14th August 2025
54AQI
54AQI
15th August 2025
47AQI
47AQI
16th August 2025
33AQI
33AQI
17th August 2025
42AQI
42AQI
18th August 2025
47AQI
47AQI
19th August 2025
48AQI
48AQI
20th August 2025
50AQI
50AQI
21st August 2025
54AQI
54AQI
22nd August 2025
59AQI
59AQI
23rd August 2025
56AQI
56AQI
24th August 2025
53AQI
53AQI
25th August 2025
51AQI
51AQI
26th August 2025
52AQI
52AQI
27th August 2025
53AQI
53AQI
28th August 2025
56AQI
56AQI
29th August 2025
49AQI
49AQI
30th August 2025
46AQI
46AQI
31st August 2025
53AQI
53AQI
1st September 2025
53AQI
53AQI
2nd September 2025
55AQI
55AQI
3rd September 2025
51AQI
51AQI
4th September 2025
52AQI
52AQI
5th September 2025
50AQI
50AQI
6th September 2025
44AQI
44AQI
7th September 2025
42AQI
42AQI
8th September 2025
38AQI
38AQI
9th September 2025
26AQI
26AQI
10th September 2025
28AQI
28AQI
11th September 2025
33AQI
33AQI
12th September 2025
29AQI
29AQI
13th September 2025
40AQI
40AQI
14th September 2025
48AQI
48AQI
15th September 2025
53AQI
53AQI
16th September 2025
58AQI
58AQI
17th September 2025
49AQI
49AQI
18th September 2025
46AQI
46AQI
19th September 2025
43AQI
43AQI
20th September 2025
41AQI
41AQI
21st September 2025
40AQI
40AQI
22nd September 2025
46AQI
46AQI
23rd September 2025
40AQI
40AQI
24th September 2025
42AQI
42AQI
25th September 2025
38AQI
38AQI
26th September 2025
28AQI
28AQI
27th September 2025
19AQI
19AQI
28th September 2025
44AQI
44AQI
29th September 2025
50AQI
50AQI
30th September 2025
45AQI
45AQI
1st October 2025
48AQI
48AQI
2nd October 2025
28AQI
28AQI
3rd October 2025
32AQI
32AQI
4th October 2025
52AQI
52AQI
5th October 2025
57AQI
57AQI
6th October 2025
51AQI
51AQI
7th October 2025
59AQI
59AQI
8th October 2025
55AQI
55AQI
9th October 2025
46AQI
46AQI
10th October 2025
46AQI
46AQI
11th October 2025
53AQI
53AQI
12th October 2025
59AQI
59AQI
13th October 2025
60AQI
60AQI
14th October 2025
44AQI
44AQI
15th October 2025
22AQI
22AQI
16th October 2025
24AQI
24AQI
17th October 2025
46AQI
46AQI
18th October 2025
47AQI
47AQI
19th October 2025
47AQI
47AQI
20th October 2025
41AQI
41AQI
21st October 2025
58AQI
58AQI
22nd October 2025
47AQI
47AQI
23rd October 2025
42AQI
42AQI
24th October 2025
56AQI
56AQI
25th October 2025
59AQI
59AQI
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
55AQI
48AQI
40AQI
39AQI
41AQI
45AQI
37AQI
52AQI
42AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
10
21
14
14
29
2
30
30
1
19
11
27
4
11
20
24
6
14
11
208
90
Highest AQI recorded in
January55AQI
Lowest AQI recorded in
July37AQI
202445AQI
16
1
1
11
1
23
6
28
3
31
17
11
21
10
22
8
31
171
70
Highest AQI recorded in
December61AQI
Lowest AQI recorded in
April25AQI
202343AQI
3
22
9
25
9
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
November28AQI
202057AQI
1
1
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
August57AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2020(Avg.)
57AQILeast Polluted Year Recorded
2023(Avg.)
43AQISan Diego Beardsley's annual 2025 AQI (45) shows an average percentage change of -6.5% (improved AQI) compared to previous years: 2020 (57), 2023 (43), 2024 (45).
