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HistoryAQIPM2.5PM10COSO2NO2O3

Santa Cruz, 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

Santa Cruz, California, United States

2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
14th Feb 2026
55AQI
Lowest AQI recorded on
7th Feb 2026
40AQI

Same Day Analysis (14th February):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 55 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 13th Feb - 14th Feb 2026

Santa Cruz, California, United States

AQI
Day
Night
.

7 AM13th Feb 2026

5 PM

6 AM14th Feb 2026

Day time
Avg. Highest Time
5PM13th Feb

67AQI

Avg. Lowest Time
6AM14th Feb

50AQI

Night time
Avg. Highest Time
6PM13th Feb

55AQI

Avg. Lowest Time
5AM14th Feb

28AQI

In the last 24 hours,

Santa Cruz's AQI reached its highest point of 67 at 5 PM during the Day, while the lowest point, 28, was recorded at 5 AM during the Night between 13th Feb and 14th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

Santa Cruz, California, United States

JanFeb
16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
16th Jan 2026367 AMAQI
16th Jan 2026128 AMAQI
16th Jan 2026149 AMAQI
16th Jan 20261710 AMAQI
16th Jan 20262811 AMAQI
16th Jan 20263612 PMAQI
16th Jan 2026361 PMAQI
16th Jan 2026312 PMAQI
16th Jan 2026313 PMAQI
16th Jan 2026294 PMAQI
16th Jan 2026275 PMAQI
16th Jan 2026386 PMAQI
16th Jan 2026367 PMAQI
16th Jan 2026368 PMAQI
16th Jan 2026339 PMAQI
16th Jan 20263310 PMAQI
16th Jan 20262911 PMAQI
17th Jan 20264712 AMAQI
17th Jan 2026621 AMAQI
17th Jan 2026592 AMAQI
17th Jan 2026513 AMAQI
17th Jan 2026384 AMAQI
17th Jan 2026295 AMAQI
17th Jan 2026256 AMAQI

16°C13/21°C

17th Jan 2026197 AMAQI
17th Jan 2026238 AMAQI
17th Jan 2026259 AMAQI
17th Jan 20262110 AMAQI
17th Jan 20262711 AMAQI
17th Jan 20263112 PMAQI
17th Jan 2026251 PMAQI
17th Jan 2026192 PMAQI
17th Jan 2026173 PMAQI
17th Jan 2026174 PMAQI
17th Jan 2026215 PMAQI
17th Jan 2026256 PMAQI
17th Jan 2026217 PMAQI
17th Jan 2026198 PMAQI
17th Jan 2026239 PMAQI
17th Jan 20262510 PMAQI
17th Jan 20263211 PMAQI
18th Jan 20263612 AMAQI
18th Jan 2026331 AMAQI
18th Jan 2026342 AMAQI
18th Jan 2026293 AMAQI
18th Jan 2026274 AMAQI
18th Jan 2026275 AMAQI
18th Jan 2026216 AMAQI

15°C12/19°C

18th Jan 2026177 AMAQI
18th Jan 2026178 AMAQI
18th Jan 2026219 AMAQI
18th Jan 20262510 AMAQI
18th Jan 20262111 AMAQI
18th Jan 20261712 PMAQI
18th Jan 2026171 PMAQI
18th Jan 2026192 PMAQI
18th Jan 2026183 PMAQI
18th Jan 2026144 PMAQI
18th Jan 2026175 PMAQI
18th Jan 2026176 PMAQI
18th Jan 2026177 PMAQI
18th Jan 2026178 PMAQI
18th Jan 2026179 PMAQI
18th Jan 20261710 PMAQI
18th Jan 20262311 PMAQI
19th Jan 20263112 AMAQI
19th Jan 2026361 AMAQI
19th Jan 2026302 AMAQI
19th Jan 2026163 AMAQI
19th Jan 2026184 AMAQI
19th Jan 2026255 AMAQI
19th Jan 2026186 AMAQI

15°C12/20°C

19th Jan 2026127 AMAQI
19th Jan 2026128 AMAQI
19th Jan 2026329 AMAQI
19th Jan 20263610 AMAQI
19th Jan 20263211 AMAQI
19th Jan 20263412 PMAQI
19th Jan 2026311 PMAQI
19th Jan 2026292 PMAQI
19th Jan 2026463 PMAQI
19th Jan 2026604 PMAQI
19th Jan 2026445 PMAQI
19th Jan 2026276 PMAQI
19th Jan 2026297 PMAQI
19th Jan 2026258 PMAQI
19th Jan 2026239 PMAQI
19th Jan 20263610 PMAQI
19th Jan 20264411 PMAQI
20th Jan 20264812 AMAQI
20th Jan 2026381 AMAQI
20th Jan 2026332 AMAQI
20th Jan 2026313 AMAQI
20th Jan 2026254 AMAQI
20th Jan 2026215 AMAQI
20th Jan 2026236 AMAQI

14°C9/22°C

20th Jan 2026297 AMAQI
20th Jan 2026278 AMAQI
20th Jan 2026219 AMAQI
20th Jan 20261710 AMAQI
20th Jan 20261711 AMAQI
20th Jan 20262312 PMAQI
20th Jan 2026291 PMAQI
20th Jan 2026312 PMAQI
20th Jan 2026333 PMAQI
20th Jan 2026334 PMAQI
20th Jan 2026405 PMAQI
20th Jan 2026387 PMAQI
20th Jan 2026338 PMAQI
20th Jan 2026339 PMAQI
20th Jan 20264810 PMAQI
20th Jan 20266211 PMAQI
21st Jan 20265212 AMAQI
21st Jan 2026361 AMAQI
21st Jan 2026322 AMAQI
21st Jan 2026403 AMAQI
21st Jan 2026404 AMAQI
21st Jan 2026425 AMAQI
21st Jan 2026406 AMAQI

14°C9/22°C

21st Jan 2026317 AMAQI
21st Jan 2026338 AMAQI
21st Jan 2026339 AMAQI
21st Jan 20262710 AMAQI
21st Jan 20262111 AMAQI
21st Jan 20262112 PMAQI
21st Jan 2026251 PMAQI
21st Jan 2026292 PMAQI
21st Jan 2026293 PMAQI
21st Jan 2026294 PMAQI
21st Jan 2026275 PMAQI
21st Jan 2026186 PMAQI
21st Jan 2026207 PMAQI
21st Jan 2026278 PMAQI
21st Jan 2026429 PMAQI
21st Jan 20266610 PMAQI
21st Jan 20263811 PMAQI
22nd Jan 20264212 AMAQI
22nd Jan 2026341 AMAQI
22nd Jan 2026422 AMAQI
22nd Jan 2026443 AMAQI
22nd Jan 2026464 AMAQI
22nd Jan 2026435 AMAQI
22nd Jan 2026496 AMAQI

13°C10/20°C

22nd Jan 2026467 AMAQI
22nd Jan 2026428 AMAQI
22nd Jan 2026499 AMAQI
22nd Jan 20264810 AMAQI
22nd Jan 20266011 AMAQI
22nd Jan 20265512 PMAQI
22nd Jan 2026431 PMAQI
22nd Jan 2026402 PMAQI
22nd Jan 2026473 PMAQI
22nd Jan 2026574 PMAQI
22nd Jan 2026565 PMAQI
22nd Jan 2026466 PMAQI
22nd Jan 2026497 PMAQI
22nd Jan 2026668 PMAQI
22nd Jan 2026709 PMAQI
22nd Jan 20265510 PMAQI
22nd Jan 20264011 PMAQI
23rd Jan 20265512 AMAQI
23rd Jan 2026501 AMAQI
23rd Jan 2026632 AMAQI
23rd Jan 2026533 AMAQI
23rd Jan 2026464 AMAQI
23rd Jan 2026515 AMAQI
23rd Jan 2026546 AMAQI

13°C10/20°C

23rd Jan 2026497 AMAQI
23rd Jan 2026588 AMAQI
23rd Jan 2026569 AMAQI
23rd Jan 20265310 AMAQI
23rd Jan 20267811 AMAQI
23rd Jan 20269412 PMAQI
23rd Jan 2026581 PMAQI
23rd Jan 2026422 PMAQI
23rd Jan 2026453 PMAQI
23rd Jan 2026544 PMAQI
23rd Jan 2026455 PMAQI
23rd Jan 2026456 PMAQI
23rd Jan 2026447 PMAQI
23rd Jan 2026428 PMAQI
23rd Jan 2026449 PMAQI
23rd Jan 20264210 PMAQI
23rd Jan 20264811 PMAQI
24th Jan 20263512 AMAQI
24th Jan 2026321 AMAQI
24th Jan 2026402 AMAQI
24th Jan 2026403 AMAQI
24th Jan 2026244 AMAQI
24th Jan 2026475 AMAQI
24th Jan 2026496 AMAQI

11°C9/14°C

24th Jan 2026517 AMAQI
24th Jan 2026608 AMAQI
24th Jan 2026469 AMAQI
24th Jan 20264510 AMAQI
24th Jan 20264811 AMAQI
24th Jan 20266412 PMAQI
24th Jan 2026451 PMAQI
24th Jan 2026492 PMAQI
24th Jan 2026463 PMAQI
24th Jan 2026504 PMAQI
24th Jan 2026505 PMAQI
24th Jan 2026546 PMAQI
24th Jan 2026787 PMAQI
24th Jan 2026768 PMAQI
24th Jan 2026769 PMAQI
24th Jan 20265310 PMAQI
24th Jan 20264711 PMAQI
25th Jan 20264012 AMAQI
25th Jan 2026381 AMAQI
25th Jan 2026452 AMAQI
25th Jan 2026483 AMAQI
25th Jan 2026404 AMAQI
25th Jan 2026475 AMAQI
25th Jan 2026486 AMAQI

11°C7/19°C

25th Jan 2026467 AMAQI
25th Jan 2026448 AMAQI
25th Jan 2026469 AMAQI
25th Jan 20264610 AMAQI
25th Jan 20266411 AMAQI
25th Jan 20266812 PMAQI
25th Jan 2026451 PMAQI
25th Jan 2026442 PMAQI
25th Jan 2026443 PMAQI
25th Jan 2026474 PMAQI
25th Jan 2026456 PMAQI
25th Jan 2026507 PMAQI
25th Jan 2026488 PMAQI
25th Jan 2026449 PMAQI
25th Jan 20264510 PMAQI
25th Jan 20264911 PMAQI
26th Jan 20265012 AMAQI
26th Jan 2026441 AMAQI
26th Jan 2026502 AMAQI
26th Jan 2026503 AMAQI
26th Jan 2026424 AMAQI
26th Jan 2026485 AMAQI
26th Jan 2026486 AMAQI

11°C7/19°C

26th Jan 2026507 AMAQI
26th Jan 2026528 AMAQI
26th Jan 2026479 AMAQI
26th Jan 20264810 AMAQI
26th Jan 20265211 AMAQI
26th Jan 20265712 PMAQI
26th Jan 2026461 PMAQI
26th Jan 2026562 PMAQI
26th Jan 2026483 PMAQI
26th Jan 2026474 PMAQI
26th Jan 2026605 PMAQI
26th Jan 2026426 PMAQI
26th Jan 2026437 PMAQI
26th Jan 2026428 PMAQI
26th Jan 2026449 PMAQI
26th Jan 20264210 PMAQI
26th Jan 20264011 PMAQI
27th Jan 20263812 AMAQI
27th Jan 2026371 AMAQI
27th Jan 2026362 AMAQI
27th Jan 2026373 AMAQI
27th Jan 2026394 AMAQI
27th Jan 2026425 AMAQI
27th Jan 2026386 AMAQI

12°C7/20°C

27th Jan 2026437 AMAQI
27th Jan 2026448 AMAQI
27th Jan 2026429 AMAQI
27th Jan 20264810 AMAQI
27th Jan 20264911 AMAQI
27th Jan 20264912 PMAQI
27th Jan 2026541 PMAQI
27th Jan 2026622 PMAQI
27th Jan 2026463 PMAQI
27th Jan 2026464 PMAQI
27th Jan 2026535 PMAQI
27th Jan 2026386 PMAQI
27th Jan 2026447 PMAQI
27th Jan 2026458 PMAQI
27th Jan 2026489 PMAQI
27th Jan 20264410 PMAQI
27th Jan 20264211 PMAQI
28th Jan 20264612 AMAQI
28th Jan 2026421 AMAQI
28th Jan 2026432 AMAQI
28th Jan 2026443 AMAQI
28th Jan 2026604 AMAQI
28th Jan 2026515 AMAQI

12°C8/19°C

28th Jan 2026487 AMAQI
28th Jan 2026508 AMAQI
28th Jan 2026779 AMAQI
28th Jan 20267010 AMAQI
28th Jan 20265511 AMAQI
28th Jan 20266412 PMAQI
28th Jan 2026711 PMAQI
28th Jan 2026852 PMAQI
28th Jan 2026353 PMAQI
28th Jan 2026384 PMAQI
28th Jan 2026485 PMAQI
28th Jan 2026496 PMAQI
28th Jan 2026477 PMAQI
28th Jan 2026488 PMAQI
28th Jan 2026459 PMAQI
28th Jan 20264510 PMAQI
28th Jan 20264011 PMAQI
29th Jan 20264212 AMAQI
29th Jan 2026451 AMAQI
29th Jan 2026442 AMAQI
29th Jan 2026463 AMAQI
29th Jan 2026474 AMAQI
29th Jan 2026505 AMAQI
29th Jan 2026466 AMAQI

14°C8/22°C

29th Jan 2026497 AMAQI
29th Jan 2026668 AMAQI
29th Jan 2026669 AMAQI
29th Jan 20265710 AMAQI
29th Jan 20267911 AMAQI
29th Jan 20268412 PMAQI
29th Jan 2026641 PMAQI
29th Jan 2026672 PMAQI
29th Jan 2026563 PMAQI
29th Jan 2026564 PMAQI
29th Jan 2026635 PMAQI
29th Jan 2026526 PMAQI
29th Jan 2026487 PMAQI
29th Jan 2026468 PMAQI
29th Jan 2026489 PMAQI
29th Jan 20265210 PMAQI
29th Jan 20264811 PMAQI
30th Jan 20265412 AMAQI
30th Jan 2026391 AMAQI
30th Jan 2026462 AMAQI
30th Jan 2026483 AMAQI
30th Jan 2026554 AMAQI
30th Jan 2026455 AMAQI
30th Jan 2026516 AMAQI

14°C8/22°C

30th Jan 2026427 AMAQI
30th Jan 2026608 AMAQI
30th Jan 2026559 AMAQI
30th Jan 20265610 AMAQI
30th Jan 20266811 AMAQI
30th Jan 20266612 PMAQI
30th Jan 2026531 PMAQI
30th Jan 2026712 PMAQI
30th Jan 2026443 PMAQI
30th Jan 2026484 PMAQI
30th Jan 2026605 PMAQI
30th Jan 2026406 PMAQI
30th Jan 2026487 PMAQI
30th Jan 2026428 PMAQI
30th Jan 2026459 PMAQI
30th Jan 20264410 PMAQI
30th Jan 20265011 PMAQI
31st Jan 20263912 AMAQI
31st Jan 2026321 AMAQI
31st Jan 2026383 AMAQI
31st Jan 2026344 AMAQI
31st Jan 2026435 AMAQI
31st Jan 2026446 AMAQI

15°C9/24°C

31st Jan 2026427 AMAQI
31st Jan 2026488 AMAQI
31st Jan 2026409 AMAQI
31st Jan 20264210 AMAQI
31st Jan 20265411 AMAQI
31st Jan 20266912 PMAQI
31st Jan 2026381 PMAQI
31st Jan 2026472 PMAQI
31st Jan 2026483 PMAQI
31st Jan 2026604 PMAQI
31st Jan 2026835 PMAQI
31st Jan 2026466 PMAQI
31st Jan 2026177 PMAQI
31st Jan 2026128 PMAQI
31st Jan 2026109 PMAQI
31st Jan 20264410 PMAQI
31st Jan 20264011 PMAQI
1st Feb 20264012 AMAQI
1st Feb 2026101 AMAQI
1st Feb 2026142 AMAQI
1st Feb 2026143 AMAQI
1st Feb 2026134 AMAQI
1st Feb 2026305 AMAQI
1st Feb 2026576 AMAQI

16°C10/26°C

1st Feb 2026217 AMAQI
1st Feb 2026678 AMAQI
1st Feb 2026259 AMAQI
1st Feb 20264010 AMAQI
1st Feb 20264611 AMAQI
1st Feb 20266512 PMAQI
1st Feb 2026761 PMAQI
1st Feb 2026552 PMAQI
1st Feb 2026513 PMAQI
1st Feb 2026584 PMAQI
1st Feb 2026485 PMAQI
1st Feb 2026516 PMAQI
1st Feb 2026527 PMAQI
1st Feb 2026628 PMAQI
1st Feb 2026499 PMAQI
1st Feb 20264810 PMAQI
1st Feb 20265011 PMAQI
2nd Feb 20264912 AMAQI
2nd Feb 2026481 AMAQI
2nd Feb 2026422 AMAQI
2nd Feb 2026473 AMAQI
2nd Feb 2026444 AMAQI
2nd Feb 2026505 AMAQI
2nd Feb 2026536 AMAQI

15°C9/23°C

2nd Feb 2026517 AMAQI
2nd Feb 2026448 AMAQI
2nd Feb 2026509 AMAQI
2nd Feb 20264810 AMAQI
2nd Feb 20265211 AMAQI
2nd Feb 20266012 PMAQI
2nd Feb 2026411 PMAQI
2nd Feb 2026442 PMAQI
2nd Feb 2026423 PMAQI
2nd Feb 2026504 PMAQI
2nd Feb 2026745 PMAQI
2nd Feb 2026536 PMAQI
2nd Feb 2026547 PMAQI
2nd Feb 2026448 PMAQI
2nd Feb 2026509 PMAQI
2nd Feb 20264410 PMAQI
3rd Feb 20264612 AMAQI
3rd Feb 2026481 AMAQI
3rd Feb 2026492 AMAQI
3rd Feb 2026503 AMAQI
3rd Feb 2026484 AMAQI
3rd Feb 2026475 AMAQI
3rd Feb 2026546 AMAQI

14°C8/22°C

3rd Feb 2026467 AMAQI
3rd Feb 2026488 AMAQI
3rd Feb 2026549 AMAQI
3rd Feb 20265310 AMAQI
3rd Feb 20265511 AMAQI
3rd Feb 20265212 PMAQI
3rd Feb 2026441 PMAQI
3rd Feb 2026422 PMAQI
3rd Feb 2026503 PMAQI
3rd Feb 2026534 PMAQI
3rd Feb 2026465 PMAQI
3rd Feb 2026476 PMAQI
3rd Feb 2026467 PMAQI
3rd Feb 2026448 PMAQI
3rd Feb 2026479 PMAQI
3rd Feb 20266010 PMAQI
3rd Feb 20264811 PMAQI
4th Feb 20264612 AMAQI
4th Feb 2026461 AMAQI
4th Feb 2026472 AMAQI
4th Feb 2026463 AMAQI
4th Feb 2026504 AMAQI
4th Feb 2026505 AMAQI
4th Feb 2026506 AMAQI

16°C9/25°C

4th Feb 2026467 AMAQI
4th Feb 2026488 AMAQI
4th Feb 2026489 AMAQI
4th Feb 20265010 AMAQI
4th Feb 20265011 AMAQI
4th Feb 20265612 PMAQI
4th Feb 2026441 PMAQI
4th Feb 2026542 PMAQI
4th Feb 2026513 PMAQI
4th Feb 2026504 PMAQI
4th Feb 2026605 PMAQI
4th Feb 2026466 PMAQI
4th Feb 2026507 PMAQI
4th Feb 2026428 PMAQI
4th Feb 2026479 PMAQI
4th Feb 20264110 PMAQI
4th Feb 20264211 PMAQI
5th Feb 20263812 AMAQI
5th Feb 2026351 AMAQI
5th Feb 2026412 AMAQI
5th Feb 2026413 AMAQI
5th Feb 2026404 AMAQI
5th Feb 2026475 AMAQI
5th Feb 2026496 AMAQI

18°C11/29°C

5th Feb 2026487 AMAQI
5th Feb 2026518 AMAQI
5th Feb 2026529 AMAQI
5th Feb 20265310 AMAQI
5th Feb 20266811 AMAQI
5th Feb 20267412 PMAQI
5th Feb 2026511 PMAQI
5th Feb 2026542 PMAQI
5th Feb 2026423 PMAQI
5th Feb 2026434 PMAQI
5th Feb 2026605 PMAQI
5th Feb 2026456 PMAQI
5th Feb 2026448 PMAQI
5th Feb 2026429 PMAQI
5th Feb 20263310 PMAQI
5th Feb 20263811 PMAQI
6th Feb 20263512 AMAQI
6th Feb 2026351 AMAQI
6th Feb 2026362 AMAQI
6th Feb 2026353 AMAQI
6th Feb 2026404 AMAQI
6th Feb 2026425 AMAQI
6th Feb 2026446 AMAQI

19°C13/27°C

6th Feb 2026487 AMAQI
6th Feb 2026488 AMAQI
6th Feb 2026529 AMAQI
6th Feb 20265010 AMAQI
6th Feb 20266811 AMAQI
6th Feb 20265012 PMAQI
6th Feb 2026411 PMAQI
6th Feb 2026402 PMAQI
6th Feb 2026323 PMAQI
6th Feb 2026504 PMAQI
6th Feb 2026525 PMAQI
6th Feb 2026506 PMAQI
6th Feb 2026407 PMAQI
6th Feb 2026448 PMAQI
6th Feb 2026389 PMAQI
6th Feb 20263810 PMAQI
6th Feb 20263611 PMAQI
7th Feb 20263412 AMAQI
7th Feb 2026301 AMAQI
7th Feb 2026322 AMAQI
7th Feb 2026343 AMAQI
7th Feb 2026204 AMAQI
7th Feb 2026365 AMAQI
7th Feb 2026436 AMAQI

15°C11/24°C

7th Feb 2026397 AMAQI
7th Feb 2026418 AMAQI
7th Feb 2026429 AMAQI
7th Feb 20264410 AMAQI
7th Feb 20264411 AMAQI
7th Feb 20264812 PMAQI
7th Feb 2026481 PMAQI
7th Feb 2026363 PMAQI
7th Feb 2026444 PMAQI
7th Feb 2026445 PMAQI
7th Feb 2026546 PMAQI
7th Feb 2026427 PMAQI
7th Feb 2026508 PMAQI
7th Feb 2026449 PMAQI
7th Feb 20264210 PMAQI
7th Feb 20264011 PMAQI
8th Feb 20263612 AMAQI
8th Feb 2026381 AMAQI
8th Feb 2026342 AMAQI
8th Feb 2026383 AMAQI
8th Feb 2026284 AMAQI
8th Feb 2026275 AMAQI
8th Feb 2026426 AMAQI

14°C8/22°C

8th Feb 2026487 AMAQI
8th Feb 2026508 AMAQI
8th Feb 2026529 AMAQI
8th Feb 20264210 AMAQI
8th Feb 20266611 AMAQI
8th Feb 20268412 PMAQI
8th Feb 2026461 PMAQI
8th Feb 2026522 PMAQI
8th Feb 2026463 PMAQI
8th Feb 2026404 PMAQI
8th Feb 2026465 PMAQI
8th Feb 2026456 PMAQI
8th Feb 2026487 PMAQI
8th Feb 2026428 PMAQI
8th Feb 2026489 PMAQI
8th Feb 20264810 PMAQI
8th Feb 20265011 PMAQI
9th Feb 20265012 AMAQI
9th Feb 2026441 AMAQI
9th Feb 2026442 AMAQI
9th Feb 2026403 AMAQI
9th Feb 2026504 AMAQI
9th Feb 2026465 AMAQI
9th Feb 2026466 AMAQI

15°C9/23°C

9th Feb 2026487 AMAQI
9th Feb 2026578 AMAQI
9th Feb 2026579 AMAQI
9th Feb 20265410 AMAQI
9th Feb 20267611 AMAQI
9th Feb 20267012 PMAQI
9th Feb 2026511 PMAQI
9th Feb 2026402 PMAQI
9th Feb 2026423 PMAQI
9th Feb 2026444 PMAQI
9th Feb 2026525 PMAQI
9th Feb 2026366 PMAQI
9th Feb 2026407 PMAQI
9th Feb 2026468 PMAQI
9th Feb 2026439 PMAQI
9th Feb 20264010 PMAQI
9th Feb 20263711 PMAQI
10th Feb 20263812 AMAQI
10th Feb 2026381 AMAQI
10th Feb 2026362 AMAQI
10th Feb 2026403 AMAQI
10th Feb 2026414 AMAQI
10th Feb 2026465 AMAQI
10th Feb 2026476 AMAQI

15°C9/24°C

10th Feb 2026587 AMAQI
10th Feb 2026558 AMAQI
10th Feb 2026609 AMAQI
10th Feb 20262510 AMAQI
10th Feb 20265711 AMAQI
10th Feb 20264012 PMAQI
10th Feb 2026341 PMAQI
10th Feb 2026312 PMAQI
10th Feb 2026303 PMAQI
10th Feb 2026514 PMAQI
10th Feb 2026385 PMAQI
10th Feb 2026426 PMAQI
10th Feb 2026487 PMAQI
10th Feb 2026468 PMAQI
10th Feb 2026469 PMAQI
10th Feb 20264610 PMAQI
10th Feb 20264311 PMAQI
11th Feb 20263912 AMAQI
11th Feb 2026371 AMAQI
11th Feb 2026382 AMAQI
11th Feb 2026333 AMAQI
11th Feb 2026354 AMAQI
11th Feb 2026395 AMAQI
11th Feb 2026456 AMAQI

13°C9/17°C

11th Feb 2026507 AMAQI
11th Feb 2026528 AMAQI
11th Feb 2026489 AMAQI
11th Feb 20265210 AMAQI
11th Feb 20264711 AMAQI
11th Feb 20265512 PMAQI
11th Feb 2026481 PMAQI
11th Feb 2026492 PMAQI
11th Feb 2026503 PMAQI
11th Feb 2026534 PMAQI
11th Feb 2026515 PMAQI
11th Feb 2026566 PMAQI
11th Feb 2026487 PMAQI
11th Feb 2026489 PMAQI
11th Feb 20264410 PMAQI
11th Feb 20264011 PMAQI
12th Feb 20263412 AMAQI
12th Feb 2026361 AMAQI
12th Feb 2026342 AMAQI
12th Feb 2026383 AMAQI
12th Feb 2026384 AMAQI
12th Feb 2026405 AMAQI
12th Feb 2026406 AMAQI

13°C11/15°C

12th Feb 2026487 AMAQI
12th Feb 2026478 AMAQI
12th Feb 2026429 AMAQI
12th Feb 20264910 AMAQI
12th Feb 20265311 AMAQI
12th Feb 20265012 PMAQI
12th Feb 2026501 PMAQI
12th Feb 2026512 PMAQI
12th Feb 2026493 PMAQI
12th Feb 2026524 PMAQI
12th Feb 2026525 PMAQI
12th Feb 2026546 PMAQI
12th Feb 2026577 PMAQI
12th Feb 2026548 PMAQI
12th Feb 2026529 PMAQI
12th Feb 20265410 PMAQI
12th Feb 20265411 PMAQI
13th Feb 20264412 AMAQI
13th Feb 2026431 AMAQI
13th Feb 2026482 AMAQI
13th Feb 2026453 AMAQI
13th Feb 2026484 AMAQI
13th Feb 2026485 AMAQI
13th Feb 2026586 AMAQI

13°C9/19°C

13th Feb 2026577 AMAQI
13th Feb 2026598 AMAQI
13th Feb 20265610 AMAQI
13th Feb 20265911 AMAQI
13th Feb 20265012 PMAQI
13th Feb 2026521 PMAQI
13th Feb 2026562 PMAQI
13th Feb 2026543 PMAQI
13th Feb 2026504 PMAQI
13th Feb 2026675 PMAQI
13th Feb 2026556 PMAQI
13th Feb 2026537 PMAQI
13th Feb 2026538 PMAQI
13th Feb 2026519 PMAQI
13th Feb 20265510 PMAQI
13th Feb 20265011 PMAQI
14th Feb 20264012 AMAQI
14th Feb 2026402 AMAQI
14th Feb 2026423 AMAQI
14th Feb 2026284 AMAQI
14th Feb 2026285 AMAQI
14th Feb 2026506 AMAQI

12°C7/18°C

14th Feb 2026567 AMAQI
7 AM
14th Feb 2026548 AMAQI
14th Feb 2026839 AMAQI
14th Feb 20268110 AMAQI
14th Feb 20269611 AMAQI
14th Feb 202610012 PMAQI
12 PM
14th Feb 2026661 PMAQI
14th Feb 2026642 PMAQI
14th Feb 2026643 PMAQI
14th Feb 2026464 PMAQI
14th Feb 2026695 PMAQI
5 PM
14th Feb 2026486 PMAQI
14th Feb 2026447 PMAQI
14th Feb 2026398 PMAQI
14th Feb 2026429 PMAQI
14th Feb 20264410 PMAQI
14th Feb 20264211 PMAQI
12 AM
6 AM

11°C9/13°C

Day time
Avg. Highest Time
12 PM

56AQI

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

42AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 56), while the lowest AQI was between 7 AM to 7 AM (Avg. 42).
Night time
Avg. Highest Time
6 AM - 11 PM

43AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
4 AM

38AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 11 PM (Avg. 43), while the lowest AQI was between 4 AM to 4 AM (Avg. 38).

2026 Days Vs Air Quality

Santa Cruz, California, United States

2026

87%

39

13%

6

Total number of days with different AQI categories in last 46 days in 2026 (319 days remaining)

Good
39 Days
Moderate
6 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2026, 87% of 46 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 Cruz, 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
16AQI (US)
3rd January 2026
23AQI (US)
4th January 2026
19AQI (US)
5th January 2026
23AQI (US)
6th January 2026
16AQI (US)
7th January 2026
21AQI (US)
8th January 2026
19AQI (US)
9th January 2026
24AQI (US)
10th January 2026
33AQI (US)
11th January 2026
34AQI (US)
12th January 2026
37AQI (US)
13th January 2026
36AQI (US)
14th January 2026
28AQI (US)
15th January 2026
30AQI (US)
16th January 2026
34AQI (US)
17th January 2026
29AQI (US)
18th January 2026
22AQI (US)
19th January 2026
30AQI (US)
20th January 2026
32AQI (US)
21st January 2026
33AQI (US)
22nd January 2026
49AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
50AQI (US)
25th January 2026
47AQI (US)
26th January 2026
48AQI (US)
27th January 2026
44AQI (US)
28th January 2026
52AQI (US)
29th January 2026
55AQI (US)
30th January 2026
51AQI (US)
31st January 2026
42AQI (US)
1st February 2026
43AQI (US)
2nd February 2026
49AQI (US)
3rd February 2026
49AQI (US)
4th February 2026
48AQI (US)
5th February 2026
47AQI (US)
6th February 2026
44AQI (US)
7th February 2026
40AQI (US)
8th February 2026
46AQI (US)
9th February 2026
48AQI (US)
10th February 2026
43AQI (US)
11th February 2026
46AQI (US)
12th February 2026
47AQI (US)
13th February 2026
53AQI (US)
14th February 2026
55AQI (US)
15th February 2026
16th February 2026
17th February 2026
18th February 2026
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

34AQI (US)

47AQI (US)

No. of days

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

202638AQI (US)

27
4
12
2
39
6

Highest AQI (US) recorded in

February

47AQI (US)

Lowest AQI (US) recorded in

January

34AQI (US)

202531AQI (US)

6
30
31
30
31
31
30
27
4
29
1
30
1
275
6

Highest AQI (US) recorded in

October

40AQI (US)

Lowest AQI (US) recorded in

March

21AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2026(Avg.)
38AQI (US)
Least Polluted Year Recorded
2025(Avg.)
31AQI (US)

Santa Cruz's annual 2026 AQI (US) (38) shows an average percentage change of 21.7% (worsened AQI (US)) compared to previous years: 2025 (31).