Country Background

Seaside, 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+

February Air Quality Analysis

Seaside, California, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
17th Feb 2026
51AQI
Lowest AQI recorded on
7th Feb 2023
18AQI


Same Day Analysis (18th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 46 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 17th Feb - 18th Feb 2026

Seaside, California, United States

AQI
Day
Night
.

7 AM17th Feb 2026

5 PM

6 AM18th Feb 2026

Day time
Avg. Highest Time
11AM17th Feb

106AQI

Avg. Lowest Time
6AM18th Feb

39AQI

Night time
Avg. Highest Time
8PM17th Feb

46AQI

Avg. Lowest Time
3AM18th Feb

28AQI

In the last 24 hours,

Seaside's AQI reached its highest point of 106 at 11 AM during the Day, while the lowest point, 28, was recorded at 3 AM during the Night between 17th Feb and 18th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

Seaside, California, United States

JanFeb
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
20th Jan 2026527 AMAQI
20th Jan 2026558 AMAQI
20th Jan 2026329 AMAQI
20th Jan 2026810 AMAQI
20th Jan 20261211 AMAQI
20th Jan 20261712 PMAQI
20th Jan 2026171 PMAQI
20th Jan 2026172 PMAQI
20th Jan 2026173 PMAQI
20th Jan 2026144 PMAQI
20th Jan 2026165 PMAQI
20th Jan 2026176 PMAQI
20th Jan 2026197 PMAQI
20th Jan 2026198 PMAQI
20th Jan 2026239 PMAQI
20th Jan 20262310 PMAQI
20th Jan 20262311 PMAQI
21st Jan 20261712 AMAQI
21st Jan 2026271 AMAQI
21st Jan 2026292 AMAQI
21st Jan 2026343 AMAQI
21st Jan 2026234 AMAQI
21st Jan 2026205 AMAQI
21st Jan 2026256 AMAQI

14°C8/22°C

21st Jan 2026257 AMAQI
21st Jan 2026258 AMAQI
21st Jan 2026239 AMAQI
21st Jan 20262110 AMAQI
21st Jan 20261811 AMAQI
21st Jan 20261812 PMAQI
21st Jan 2026191 PMAQI
21st Jan 2026192 PMAQI
21st Jan 2026193 PMAQI
21st Jan 2026214 PMAQI
21st Jan 2026345 PMAQI
21st Jan 2026386 PMAQI
21st Jan 2026277 PMAQI
21st Jan 2026388 PMAQI
21st Jan 2026499 PMAQI
21st Jan 20265010 PMAQI
21st Jan 2026911 PMAQI
22nd Jan 20264112 AMAQI
22nd Jan 2026331 AMAQI
22nd Jan 2026392 AMAQI
22nd Jan 2026413 AMAQI
22nd Jan 2026464 AMAQI
22nd Jan 2026405 AMAQI
22nd Jan 2026476 AMAQI

12°C10/17°C

22nd Jan 2026447 AMAQI
22nd Jan 2026428 AMAQI
22nd Jan 2026489 AMAQI
22nd Jan 20265010 AMAQI
22nd Jan 20266211 AMAQI
22nd Jan 20265212 PMAQI
22nd Jan 2026411 PMAQI
22nd Jan 2026362 PMAQI
22nd Jan 2026473 PMAQI
22nd Jan 2026564 PMAQI
22nd Jan 2026585 PMAQI
22nd Jan 2026446 PMAQI
22nd Jan 2026427 PMAQI
22nd Jan 2026448 PMAQI
22nd Jan 2026469 PMAQI
22nd Jan 20263810 PMAQI
22nd Jan 20263611 PMAQI
23rd Jan 20264012 AMAQI
23rd Jan 2026381 AMAQI
23rd Jan 2026282 AMAQI
23rd Jan 2026273 AMAQI
23rd Jan 2026244 AMAQI
23rd Jan 2026505 AMAQI
23rd Jan 2026526 AMAQI

13°C9/19°C

23rd Jan 2026477 AMAQI
23rd Jan 2026628 AMAQI
23rd Jan 2026569 AMAQI
23rd Jan 20265110 AMAQI
23rd Jan 20267611 AMAQI
23rd Jan 20269012 PMAQI
23rd Jan 2026521 PMAQI
23rd Jan 2026402 PMAQI
23rd Jan 2026483 PMAQI
23rd Jan 2026334 PMAQI
23rd Jan 2026235 PMAQI
23rd Jan 2026216 PMAQI
23rd Jan 2026107 PMAQI
23rd Jan 202688 PMAQI
23rd Jan 2026419 PMAQI
23rd Jan 20264410 PMAQI
23rd Jan 20264011 PMAQI
24th Jan 20263612 AMAQI
24th Jan 2026101 AMAQI
24th Jan 2026142 AMAQI
24th Jan 2026123 AMAQI
24th Jan 2026124 AMAQI
24th Jan 2026325 AMAQI
24th Jan 2026456 AMAQI

12°C11/13°C

24th Jan 202687 AMAQI
24th Jan 2026238 AMAQI
24th Jan 2026459 AMAQI
24th Jan 20264210 AMAQI
24th Jan 20265211 AMAQI
24th Jan 20267012 PMAQI
24th Jan 2026201 PMAQI
24th Jan 2026122 PMAQI
24th Jan 2026163 PMAQI
24th Jan 2026184 PMAQI
24th Jan 2026205 PMAQI
24th Jan 2026276 PMAQI
24th Jan 2026367 PMAQI
24th Jan 2026388 PMAQI
24th Jan 2026389 PMAQI
24th Jan 20266710 PMAQI
24th Jan 20263111 PMAQI
25th Jan 20265212 AMAQI
25th Jan 2026341 AMAQI
25th Jan 2026482 AMAQI
25th Jan 2026513 AMAQI
25th Jan 2026394 AMAQI
25th Jan 2026435 AMAQI
25th Jan 2026446 AMAQI

13°C9/18°C

25th Jan 2026407 AMAQI
25th Jan 2026428 AMAQI
25th Jan 2026469 AMAQI
25th Jan 20264710 AMAQI
25th Jan 20266911 AMAQI
25th Jan 20266012 PMAQI
25th Jan 2026181 PMAQI
25th Jan 2026202 PMAQI
25th Jan 2026163 PMAQI
25th Jan 2026264 PMAQI
25th Jan 2026365 PMAQI
25th Jan 2026116 PMAQI
25th Jan 2026257 PMAQI
25th Jan 2026388 PMAQI
25th Jan 2026179 PMAQI
25th Jan 20264810 PMAQI
25th Jan 20263411 PMAQI
26th Jan 20264012 AMAQI
26th Jan 2026481 AMAQI
26th Jan 2026532 AMAQI
26th Jan 2026493 AMAQI
26th Jan 2026464 AMAQI
26th Jan 2026465 AMAQI
26th Jan 2026456 AMAQI

12°C7/19°C

26th Jan 2026507 AMAQI
26th Jan 2026658 AMAQI
26th Jan 2026469 AMAQI
26th Jan 20265010 AMAQI
26th Jan 20265311 AMAQI
26th Jan 20263312 PMAQI
26th Jan 2026341 PMAQI
26th Jan 2026542 PMAQI
26th Jan 2026323 PMAQI
26th Jan 2026344 PMAQI
26th Jan 2026405 PMAQI
26th Jan 2026266 PMAQI
26th Jan 2026227 PMAQI
26th Jan 2026248 PMAQI
26th Jan 2026239 PMAQI
26th Jan 20261610 PMAQI
26th Jan 20264411 PMAQI
27th Jan 20261612 AMAQI
27th Jan 2026291 AMAQI
27th Jan 2026302 AMAQI
27th Jan 2026323 AMAQI
27th Jan 2026324 AMAQI
27th Jan 2026305 AMAQI
27th Jan 2026326 AMAQI

12°C8/18°C

27th Jan 2026437 AMAQI
27th Jan 2026448 AMAQI
27th Jan 2026399 AMAQI
27th Jan 20264410 AMAQI
27th Jan 20263211 AMAQI
27th Jan 20263812 PMAQI
27th Jan 2026491 PMAQI
27th Jan 2026472 PMAQI
27th Jan 2026273 PMAQI
27th Jan 2026284 PMAQI
27th Jan 2026495 PMAQI
27th Jan 2026106 PMAQI
27th Jan 2026127 PMAQI
27th Jan 2026428 PMAQI
27th Jan 2026489 PMAQI
27th Jan 20264810 PMAQI
27th Jan 20264411 PMAQI
28th Jan 20264412 AMAQI
28th Jan 2026421 AMAQI
28th Jan 2026362 AMAQI
28th Jan 2026433 AMAQI
28th Jan 2026594 AMAQI
28th Jan 2026465 AMAQI
28th Jan 2026506 AMAQI

13°C8/21°C

28th Jan 2026497 AMAQI
28th Jan 2026488 AMAQI
28th Jan 2026689 AMAQI
28th Jan 20267310 AMAQI
28th Jan 20265411 AMAQI
28th Jan 20266612 PMAQI
28th Jan 2026701 PMAQI
28th Jan 2026882 PMAQI
28th Jan 2026163 PMAQI
28th Jan 2026104 PMAQI
28th Jan 2026365 PMAQI
28th Jan 2026156 PMAQI
28th Jan 2026107 PMAQI
28th Jan 202698 PMAQI
28th Jan 202689 PMAQI
28th Jan 20261210 PMAQI
28th Jan 20261011 PMAQI
29th Jan 20261412 AMAQI
29th Jan 2026271 AMAQI
29th Jan 2026382 AMAQI
29th Jan 2026383 AMAQI
29th Jan 2026424 AMAQI
29th Jan 2026445 AMAQI
29th Jan 2026376 AMAQI

13°C9/20°C

29th Jan 2026427 AMAQI
29th Jan 2026618 AMAQI
29th Jan 2026659 AMAQI
29th Jan 20265510 AMAQI
29th Jan 20268411 AMAQI
29th Jan 20268712 PMAQI
29th Jan 2026681 PMAQI
29th Jan 2026672 PMAQI
29th Jan 2026593 PMAQI
29th Jan 2026604 PMAQI
29th Jan 2026585 PMAQI
29th Jan 2026246 PMAQI
29th Jan 2026297 PMAQI
29th Jan 2026468 PMAQI
29th Jan 2026299 PMAQI
29th Jan 20265610 PMAQI
29th Jan 20265011 PMAQI
30th Jan 20266612 AMAQI
30th Jan 2026551 AMAQI
30th Jan 2026622 AMAQI
30th Jan 2026653 AMAQI
30th Jan 2026544 AMAQI
30th Jan 2026565 AMAQI
30th Jan 2026646 AMAQI

14°C9/21°C

30th Jan 2026467 AMAQI
30th Jan 2026628 AMAQI
30th Jan 2026569 AMAQI
30th Jan 20263610 AMAQI
30th Jan 20266911 AMAQI
30th Jan 20264812 PMAQI
30th Jan 2026541 PMAQI
30th Jan 2026382 PMAQI
30th Jan 2026383 PMAQI
30th Jan 2026424 PMAQI
30th Jan 2026445 PMAQI
30th Jan 2026516 PMAQI
30th Jan 2026467 PMAQI
30th Jan 2026348 PMAQI
30th Jan 2026429 PMAQI
30th Jan 20264210 PMAQI
30th Jan 20262311 PMAQI
31st Jan 20262012 AMAQI
31st Jan 2026161 AMAQI
31st Jan 2026112 AMAQI
31st Jan 2026313 AMAQI
31st Jan 2026374 AMAQI
31st Jan 2026355 AMAQI
31st Jan 2026486 AMAQI

14°C9/20°C

31st Jan 2026397 AMAQI
31st Jan 2026488 AMAQI
31st Jan 2026449 AMAQI
31st Jan 20264210 AMAQI
31st Jan 20265411 AMAQI
31st Jan 20264412 PMAQI
31st Jan 2026161 PMAQI
31st Jan 2026362 PMAQI
31st Jan 2026323 PMAQI
31st Jan 2026584 PMAQI
31st Jan 2026815 PMAQI
31st Jan 2026386 PMAQI
31st Jan 2026167 PMAQI
31st Jan 2026158 PMAQI
31st Jan 2026179 PMAQI
31st Jan 20262410 PMAQI
31st Jan 20262211 PMAQI
1st Feb 20261812 AMAQI
1st Feb 2026131 AMAQI
1st Feb 2026162 AMAQI
1st Feb 2026123 AMAQI
1st Feb 2026124 AMAQI
1st Feb 2026275 AMAQI
1st Feb 2026526 AMAQI

16°C10/24°C

1st Feb 2026207 AMAQI
1st Feb 2026628 AMAQI
1st Feb 2026259 AMAQI
1st Feb 20263810 AMAQI
1st Feb 20265011 AMAQI
1st Feb 20265212 PMAQI
1st Feb 2026531 PMAQI
1st Feb 2026362 PMAQI
1st Feb 2026423 PMAQI
1st Feb 2026504 PMAQI
1st Feb 2026405 PMAQI
1st Feb 2026516 PMAQI
1st Feb 2026367 PMAQI
1st Feb 2026488 PMAQI
1st Feb 2026209 PMAQI
1st Feb 20262510 PMAQI
1st Feb 20262711 PMAQI
2nd Feb 20262112 AMAQI
2nd Feb 2026321 AMAQI
2nd Feb 2026182 AMAQI
2nd Feb 2026383 AMAQI
2nd Feb 2026244 AMAQI
2nd Feb 2026215 AMAQI
2nd Feb 2026386 AMAQI

13°C9/20°C

2nd Feb 2026147 AMAQI
2nd Feb 2026168 AMAQI
2nd Feb 2026349 AMAQI
2nd Feb 20263110 AMAQI
2nd Feb 20264911 AMAQI
2nd Feb 20265812 PMAQI
2nd Feb 2026381 PMAQI
2nd Feb 2026282 PMAQI
2nd Feb 2026383 PMAQI
2nd Feb 2026464 PMAQI
2nd Feb 2026645 PMAQI
2nd Feb 2026296 PMAQI
2nd Feb 2026207 PMAQI
2nd Feb 2026198 PMAQI
2nd Feb 2026169 PMAQI
2nd Feb 20261710 PMAQI
2nd Feb 20264711 PMAQI
3rd Feb 20263612 AMAQI
3rd Feb 2026241 AMAQI
3rd Feb 2026142 AMAQI
3rd Feb 2026213 AMAQI
3rd Feb 2026464 AMAQI
3rd Feb 2026145 AMAQI
3rd Feb 2026536 AMAQI

13°C8/19°C

3rd Feb 2026467 AMAQI
3rd Feb 2026438 AMAQI
3rd Feb 2026539 AMAQI
3rd Feb 20262110 AMAQI
3rd Feb 20264211 AMAQI
3rd Feb 20264212 PMAQI
3rd Feb 2026361 PMAQI
3rd Feb 2026232 PMAQI
3rd Feb 2026223 PMAQI
3rd Feb 2026344 PMAQI
3rd Feb 2026485 PMAQI
3rd Feb 2026166 PMAQI
3rd Feb 2026257 PMAQI
3rd Feb 2026188 PMAQI
3rd Feb 2026409 PMAQI
3rd Feb 20264810 PMAQI
3rd Feb 20262211 PMAQI
4th Feb 20264212 AMAQI
4th Feb 2026161 AMAQI
4th Feb 2026252 AMAQI
4th Feb 202683 AMAQI
4th Feb 2026444 AMAQI
4th Feb 2026475 AMAQI
4th Feb 2026446 AMAQI

15°C9/24°C

4th Feb 2026467 AMAQI
4th Feb 2026478 AMAQI
4th Feb 2026469 AMAQI
4th Feb 20261010 AMAQI
4th Feb 20263311 AMAQI
4th Feb 20265612 PMAQI
4th Feb 2026341 PMAQI
4th Feb 2026302 PMAQI
4th Feb 2026173 PMAQI
4th Feb 2026344 PMAQI
4th Feb 2026585 PMAQI
4th Feb 2026196 PMAQI
4th Feb 2026287 PMAQI
4th Feb 2026268 PMAQI
4th Feb 2026349 PMAQI
4th Feb 20261710 PMAQI
4th Feb 20263611 PMAQI
5th Feb 20262412 AMAQI
5th Feb 2026161 AMAQI
5th Feb 2026192 AMAQI
5th Feb 2026423 AMAQI
5th Feb 2026404 AMAQI
5th Feb 2026445 AMAQI
5th Feb 2026466 AMAQI

18°C12/25°C

5th Feb 2026487 AMAQI
5th Feb 2026608 AMAQI
5th Feb 2026519 AMAQI
5th Feb 20261810 AMAQI
5th Feb 20264911 AMAQI
5th Feb 20265612 PMAQI
5th Feb 2026321 PMAQI
5th Feb 2026192 PMAQI
5th Feb 2026253 PMAQI
5th Feb 2026324 PMAQI
5th Feb 2026575 PMAQI
5th Feb 2026476 PMAQI
5th Feb 2026507 PMAQI
5th Feb 2026168 PMAQI
5th Feb 2026259 PMAQI
5th Feb 20262710 PMAQI
5th Feb 20261211 PMAQI
6th Feb 20262312 AMAQI
6th Feb 2026161 AMAQI
6th Feb 2026292 AMAQI
6th Feb 2026283 AMAQI
6th Feb 2026324 AMAQI
6th Feb 202685 AMAQI
6th Feb 2026376 AMAQI

18°C14/25°C

6th Feb 2026387 AMAQI
6th Feb 2026428 AMAQI
6th Feb 2026559 AMAQI
6th Feb 20263210 AMAQI
6th Feb 20264611 AMAQI
6th Feb 20264812 PMAQI
6th Feb 2026551 PMAQI
6th Feb 2026422 PMAQI
6th Feb 2026283 PMAQI
6th Feb 2026534 PMAQI
6th Feb 2026565 PMAQI
6th Feb 2026606 PMAQI
6th Feb 2026507 PMAQI
6th Feb 2026458 PMAQI
6th Feb 2026329 PMAQI
6th Feb 20263110 PMAQI
6th Feb 20262311 PMAQI
7th Feb 20261212 AMAQI
7th Feb 2026161 AMAQI
7th Feb 2026122 AMAQI
7th Feb 2026243 AMAQI
7th Feb 2026124 AMAQI
7th Feb 2026265 AMAQI
7th Feb 2026196 AMAQI

15°C11/22°C

7th Feb 2026277 AMAQI
7th Feb 2026248 AMAQI
7th Feb 2026389 AMAQI
7th Feb 20263610 AMAQI
7th Feb 20263311 AMAQI
7th Feb 20264212 PMAQI
7th Feb 2026441 PMAQI
7th Feb 2026522 PMAQI
7th Feb 2026323 PMAQI
7th Feb 2026494 PMAQI
7th Feb 2026525 PMAQI
7th Feb 2026406 PMAQI
7th Feb 2026367 PMAQI
7th Feb 2026468 PMAQI
7th Feb 2026409 PMAQI
7th Feb 20262410 PMAQI
7th Feb 20261411 PMAQI
8th Feb 20261812 AMAQI
8th Feb 2026161 AMAQI
8th Feb 2026162 AMAQI
8th Feb 2026153 AMAQI
8th Feb 2026124 AMAQI
8th Feb 2026105 AMAQI
8th Feb 2026126 AMAQI

13°C9/18°C

8th Feb 2026127 AMAQI
8th Feb 2026248 AMAQI
8th Feb 2026539 AMAQI
8th Feb 20261210 AMAQI
8th Feb 20263011 AMAQI
8th Feb 20265912 PMAQI
8th Feb 2026221 PMAQI
8th Feb 2026382 PMAQI
8th Feb 2026313 PMAQI
8th Feb 2026254 PMAQI
8th Feb 2026385 PMAQI
8th Feb 2026236 PMAQI
8th Feb 2026277 PMAQI
8th Feb 2026198 PMAQI
8th Feb 2026469 PMAQI
8th Feb 20264910 PMAQI
8th Feb 20261211 PMAQI
9th Feb 20263212 AMAQI
9th Feb 2026271 AMAQI
9th Feb 2026382 AMAQI
9th Feb 2026383 AMAQI
9th Feb 2026434 AMAQI
9th Feb 2026365 AMAQI
9th Feb 2026446 AMAQI

13°C7/18°C

9th Feb 2026477 AMAQI
9th Feb 2026528 AMAQI
9th Feb 2026629 AMAQI
9th Feb 20263210 AMAQI
9th Feb 20264011 AMAQI
9th Feb 20264012 PMAQI
9th Feb 2026541 PMAQI
9th Feb 2026252 PMAQI
9th Feb 202693 PMAQI
9th Feb 2026404 PMAQI
9th Feb 2026505 PMAQI
9th Feb 2026346 PMAQI
9th Feb 2026317 PMAQI
9th Feb 2026278 PMAQI
9th Feb 2026189 PMAQI
9th Feb 20263810 PMAQI
9th Feb 20262711 PMAQI
10th Feb 20261512 AMAQI
10th Feb 2026121 AMAQI
10th Feb 2026102 AMAQI
10th Feb 202683 AMAQI
10th Feb 2026384 AMAQI
10th Feb 2026395 AMAQI
10th Feb 2026436 AMAQI

15°C10/22°C

10th Feb 2026597 AMAQI
10th Feb 2026578 AMAQI
10th Feb 2026429 AMAQI
10th Feb 20264210 AMAQI
10th Feb 20265911 AMAQI
10th Feb 20265812 PMAQI
10th Feb 2026461 PMAQI
10th Feb 2026502 PMAQI
10th Feb 2026493 PMAQI
10th Feb 2026604 PMAQI
10th Feb 2026465 PMAQI
10th Feb 2026276 PMAQI
10th Feb 2026447 PMAQI
10th Feb 2026398 PMAQI
10th Feb 2026359 PMAQI
10th Feb 20263610 PMAQI
10th Feb 20263611 PMAQI
11th Feb 20263412 AMAQI
11th Feb 2026321 AMAQI
11th Feb 2026322 AMAQI
11th Feb 2026303 AMAQI
11th Feb 2026284 AMAQI
11th Feb 2026345 AMAQI
11th Feb 2026386 AMAQI

13°C10/21°C

11th Feb 2026407 AMAQI
11th Feb 2026438 AMAQI
11th Feb 2026399 AMAQI
11th Feb 20263610 AMAQI
11th Feb 20264811 AMAQI
11th Feb 20263612 PMAQI
11th Feb 2026361 PMAQI
11th Feb 2026252 PMAQI
11th Feb 2026423 PMAQI
11th Feb 2026494 PMAQI
11th Feb 2026535 PMAQI
11th Feb 2026326 PMAQI
11th Feb 2026347 PMAQI
11th Feb 2026258 PMAQI
11th Feb 2026149 PMAQI
11th Feb 20261610 PMAQI
11th Feb 20261411 PMAQI
12th Feb 20261412 AMAQI
12th Feb 2026201 AMAQI
12th Feb 2026142 AMAQI
12th Feb 2026123 AMAQI
12th Feb 2026194 AMAQI
12th Feb 2026185 AMAQI
12th Feb 202696 AMAQI

13°C10/17°C

12th Feb 2026147 AMAQI
12th Feb 2026188 AMAQI
12th Feb 202699 AMAQI
12th Feb 20261910 AMAQI
12th Feb 20263611 AMAQI
12th Feb 20263012 PMAQI
12th Feb 2026161 PMAQI
12th Feb 2026222 PMAQI
12th Feb 2026193 PMAQI
12th Feb 2026344 PMAQI
12th Feb 2026465 PMAQI
12th Feb 2026236 PMAQI
12th Feb 2026347 PMAQI
12th Feb 2026178 PMAQI
12th Feb 2026319 PMAQI
12th Feb 20263210 PMAQI
12th Feb 20263811 PMAQI
13th Feb 20263212 AMAQI
13th Feb 2026321 AMAQI
13th Feb 2026252 AMAQI
13th Feb 202683 AMAQI
13th Feb 2026404 AMAQI
13th Feb 2026405 AMAQI
13th Feb 2026536 AMAQI

13°C8/20°C

13th Feb 2026197 AMAQI
13th Feb 2026148 AMAQI
13th Feb 2026299 AMAQI
13th Feb 20261410 AMAQI
13th Feb 20263611 AMAQI
13th Feb 20263612 PMAQI
13th Feb 2026401 PMAQI
13th Feb 2026382 PMAQI
13th Feb 2026343 PMAQI
13th Feb 2026444 PMAQI
13th Feb 2026445 PMAQI
13th Feb 2026186 PMAQI
13th Feb 2026197 PMAQI
13th Feb 2026128 PMAQI
13th Feb 2026219 PMAQI
13th Feb 20261310 PMAQI
13th Feb 20261411 PMAQI
14th Feb 20261412 AMAQI
14th Feb 2026141 AMAQI
14th Feb 2026312 AMAQI
14th Feb 2026133 AMAQI
14th Feb 2026254 AMAQI
14th Feb 2026285 AMAQI
14th Feb 2026496 AMAQI

11°C7/14°C

14th Feb 2026507 AMAQI
14th Feb 2026508 AMAQI
14th Feb 2026809 AMAQI
14th Feb 20267610 AMAQI
14th Feb 202610511 AMAQI
14th Feb 20263612 PMAQI
14th Feb 2026661 PMAQI
14th Feb 2026422 PMAQI
14th Feb 2026423 PMAQI
14th Feb 2026284 PMAQI
14th Feb 2026505 PMAQI
14th Feb 2026276 PMAQI
14th Feb 2026217 PMAQI
14th Feb 2026118 PMAQI
14th Feb 2026349 PMAQI
14th Feb 20263610 PMAQI
14th Feb 20264011 PMAQI
15th Feb 20263912 AMAQI
15th Feb 2026371 AMAQI
15th Feb 2026322 AMAQI
15th Feb 2026323 AMAQI
15th Feb 2026224 AMAQI
15th Feb 2026245 AMAQI
15th Feb 2026486 AMAQI

10°C8/13°C

15th Feb 2026517 AMAQI
15th Feb 2026508 AMAQI
15th Feb 2026589 AMAQI
15th Feb 20264910 AMAQI
15th Feb 20267111 AMAQI
15th Feb 20264812 PMAQI
15th Feb 2026531 PMAQI
15th Feb 2026562 PMAQI
15th Feb 2026573 PMAQI
15th Feb 2026494 PMAQI
15th Feb 2026555 PMAQI
15th Feb 2026166 PMAQI
15th Feb 2026147 PMAQI
15th Feb 2026328 PMAQI
15th Feb 2026339 PMAQI
15th Feb 20263010 PMAQI
15th Feb 20262611 PMAQI
16th Feb 20263012 AMAQI
16th Feb 2026381 AMAQI
16th Feb 2026342 AMAQI
16th Feb 2026403 AMAQI
16th Feb 2026454 AMAQI
16th Feb 2026405 AMAQI
16th Feb 2026476 AMAQI

13°C9/19°C

16th Feb 2026497 AMAQI
16th Feb 2026468 AMAQI
16th Feb 2026459 AMAQI
16th Feb 20264110 AMAQI
16th Feb 20269211 AMAQI
16th Feb 20265812 PMAQI
16th Feb 2026611 PMAQI
16th Feb 2026522 PMAQI
16th Feb 2026503 PMAQI
16th Feb 2026474 PMAQI
16th Feb 2026515 PMAQI
16th Feb 2026376 PMAQI
16th Feb 2026427 PMAQI
16th Feb 2026388 PMAQI
16th Feb 2026389 PMAQI
16th Feb 20263710 PMAQI
16th Feb 20263311 PMAQI
17th Feb 20262712 AMAQI
17th Feb 2026281 AMAQI
17th Feb 2026272 AMAQI
17th Feb 2026323 AMAQI
17th Feb 2026344 AMAQI
17th Feb 2026365 AMAQI
17th Feb 2026426 AMAQI

10°C8/11°C

17th Feb 2026467 AMAQI
17th Feb 2026448 AMAQI
17th Feb 2026789 AMAQI
17th Feb 20268710 AMAQI
17th Feb 202610611 AMAQI
17th Feb 20267412 PMAQI
17th Feb 2026721 PMAQI
17th Feb 2026602 PMAQI
17th Feb 2026623 PMAQI
17th Feb 2026784 PMAQI
17th Feb 2026625 PMAQI
17th Feb 2026396 PMAQI
17th Feb 2026427 PMAQI
17th Feb 2026468 PMAQI
17th Feb 2026349 PMAQI
17th Feb 20263810 PMAQI
17th Feb 20263611 PMAQI
18th Feb 20263612 AMAQI
18th Feb 2026321 AMAQI
18th Feb 2026352 AMAQI
18th Feb 2026283 AMAQI
18th Feb 2026354 AMAQI
18th Feb 2026425 AMAQI
18th Feb 2026396 AMAQI

9°C6/12°C

18th Feb 2026587 AMAQI
7 AM
18th Feb 2026528 AMAQI
18th Feb 2026799 AMAQI
18th Feb 20266310 AMAQI
18th Feb 20268811 AMAQI
18th Feb 20267412 PMAQI
12 PM
18th Feb 2026351 PMAQI
18th Feb 2026322 PMAQI
18th Feb 2026253 PMAQI
18th Feb 2026324 PMAQI
18th Feb 2026565 PMAQI
5 PM
18th Feb 2026296 PMAQI
12 AM
6 AM

7°C4/11°C

Day time
Avg. Highest Time
11 AM

55AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 55), while the lowest AQI was between 3 PM to 3 PM (Avg. 33).
Night time
Avg. Highest Time
6 AM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 41), while the lowest AQI was between 1 AM to 1 AM (Avg. 27).

2026 Days Vs Air Quality

Seaside, California, United States

2026

98%

48

2%

1

Total number of days with different AQI categories in last 50 days in 2026 (315 days remaining)

Good
48 Days
Moderate
1 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 98%

Health Risk Level:

Very Low

In 2026, 98% of 50 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

Seaside, California, United States

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
28AQI (US)
2nd January 2026
14AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
14AQI (US)
5th January 2026
21AQI (US)
6th January 2026
19AQI (US)
7th January 2026
14AQI (US)
8th January 2026
20AQI (US)
9th January 2026
20AQI (US)
10th January 2026
24AQI (US)
11th January 2026
16AQI (US)
12th January 2026
16AQI (US)
13th January 2026
19AQI (US)
14th January 2026
14AQI (US)
15th January 2026
20AQI (US)
16th January 2026
19AQI (US)
17th January 2026
16AQI (US)
18th January 2026
18AQI (US)
19th January 2026
17AQI (US)
20th January 2026
22AQI (US)
21st January 2026
26AQI (US)
22nd January 2026
45AQI (US)
23rd January 2026
42AQI (US)
24th January 2026
30AQI (US)
25th January 2026
38AQI (US)
26th January 2026
41AQI (US)
27th January 2026
35AQI (US)
28th January 2026
40AQI (US)
29th January 2026
49AQI (US)
30th January 2026
50AQI (US)
31st January 2026
34AQI (US)
1st February 2026
34AQI (US)
2nd February 2026
32AQI (US)
3rd February 2026
33AQI (US)
4th February 2026
33AQI (US)
5th February 2026
36AQI (US)
6th February 2026
38AQI (US)
7th February 2026
30AQI (US)
8th February 2026
26AQI (US)
9th February 2026
37AQI (US)
10th February 2026
40AQI (US)
11th February 2026
34AQI (US)
12th February 2026
23AQI (US)
13th February 2026
28AQI (US)
14th February 2026
40AQI (US)
15th February 2026
41AQI (US)
16th February 2026
45AQI (US)
17th February 2026
51AQI (US)
18th February 2026
46AQI (US)
19th February 2026
20th February 2026
21st February 2026
22nd February 2026
23rd February 2026
24th February 2026
25th February 2026
26th February 2026
27th February 2026
28th February 2026
1st March 2026
2nd March 2026
3rd March 2026
4th March 2026
5th March 2026
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

26AQI (US)

36AQI (US)


No. of days

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

202629AQI (US)

31
17
1
48
1

Highest AQI (US) recorded in

February

36AQI (US)


Lowest AQI (US) recorded in

January

26AQI (US)


202527AQI (US)

31
28
31
30
31
30
31
30
1
30
31
30
31
364
1

Highest AQI (US) recorded in

August

32AQI (US)


Lowest AQI (US) recorded in

July

21AQI (US)


202427AQI (US)

31
29
29
30
31
29
31
31
30
31
30
31
363

Highest AQI (US) recorded in

October

32AQI (US)


Lowest AQI (US) recorded in

January

24AQI (US)


202326AQI (US)

31
28
28
30
31
29
20
29
2
24
4
31
27
31
339
6

Highest AQI (US) recorded in

September

32AQI (US)


Lowest AQI (US) recorded in

July

20AQI (US)


202226AQI (US)

30
22
29
17
31
30
21
3
29
31
29
31
303

Highest AQI (US) recorded in

October

33AQI (US)


Lowest AQI (US) recorded in

August

16AQI (US)


202125AQI (US)

30
28
31
30
31
30
31
31
30
31
30
28
361

Highest AQI (US) recorded in

April

30AQI (US)


Lowest AQI (US) recorded in

July

21AQI (US)


202034AQI (US)

13
20
18
30
31
24
1
2
3
1
20
5
2
3
26
2
2
30
31
243
8
6
6
1

Highest AQI (US) recorded in

September

60AQI (US)


Lowest AQI (US) recorded in

November

22AQI (US)


Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2020(Avg.)
34AQI (US)
Least Polluted Year Recorded
2021(Avg.)
25AQI (US)


Seaside's annual 2026 AQI (US) (29) shows an average percentage change of 8.7% (worsened AQI (US)) compared to previous years: 2020 (34), 2021 (25), 2022 (26), 2023 (26), 2024 (27), 2025 (27).