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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Mount Shasta, 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+

August Air Quality Analysis

Mount Shasta, California, United States

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Aug 2026
67AQI
Lowest AQI recorded on
24th Aug 2024
19AQI

Same Day Analysis (16th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 50 of Good air quality on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Mount Shasta, California, United States

AQI
Day
Night
.

6 AM16th Aug 2026

8 PM

5 AM17th Aug 2026

Day time
Avg. Highest Time
7AM16th Aug

50AQI

Avg. Lowest Time
6PM16th Aug

33AQI

Night time
Avg. Highest Time
1AM17th Aug

60AQI

Avg. Lowest Time
12AM17th Aug

44AQI

In the last 24 hours,

Mount Shasta's AQI reached its highest point of 60 at 1 AM during the Night, while the lowest point, 33, was recorded at 6 PM during the Day between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Mount Shasta, California, United States

JulAug
19th - 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 - 15th15th - 16th16th - 17th17th
Day
Night
19th Jul 2026566 AMAQI
19th Jul 2026577 AMAQI
19th Jul 2026558 AMAQI
19th Jul 2026549 AMAQI
19th Jul 20265610 AMAQI
19th Jul 20265211 AMAQI
19th Jul 20265912 PMAQI
19th Jul 2026631 PMAQI
19th Jul 2026582 PMAQI
19th Jul 2026483 PMAQI
19th Jul 2026544 PMAQI
19th Jul 2026485 PMAQI
19th Jul 2026516 PMAQI
19th Jul 2026467 PMAQI
19th Jul 2026508 PMAQI
19th Jul 2026509 PMAQI
19th Jul 20266010 PMAQI
19th Jul 20266211 PMAQI
20th Jul 20266012 AMAQI
20th Jul 2026621 AMAQI
20th Jul 2026602 AMAQI
20th Jul 2026563 AMAQI
20th Jul 2026564 AMAQI
20th Jul 2026525 AMAQI

25°C12/34°C

20th Jul 2026556 AMAQI
20th Jul 2026487 AMAQI
20th Jul 2026548 AMAQI
20th Jul 2026529 AMAQI
20th Jul 20266010 AMAQI
20th Jul 20265311 AMAQI
20th Jul 20266512 PMAQI
20th Jul 2026561 PMAQI
20th Jul 2026562 PMAQI
20th Jul 2026523 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026425 PMAQI
20th Jul 2026506 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026499 PMAQI
20th Jul 20265510 PMAQI
20th Jul 20265611 PMAQI
21st Jul 20263812 AMAQI
21st Jul 2026561 AMAQI
21st Jul 2026572 AMAQI
21st Jul 2026543 AMAQI
21st Jul 2026514 AMAQI
21st Jul 2026405 AMAQI

26°C19/33°C

21st Jul 2026446 AMAQI
21st Jul 2026407 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026519 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20264411 AMAQI
21st Jul 20265012 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026503 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026365 PMAQI
21st Jul 2026426 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026608 PMAQI
21st Jul 2026629 PMAQI
21st Jul 20265810 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20266712 AMAQI
22nd Jul 2026461 AMAQI
22nd Jul 2026422 AMAQI
22nd Jul 2026543 AMAQI
22nd Jul 2026384 AMAQI
22nd Jul 2026545 AMAQI

27°C16/36°C

22nd Jul 2026236 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026508 AMAQI
22nd Jul 2026509 AMAQI
22nd Jul 20264210 AMAQI
22nd Jul 20264911 AMAQI
22nd Jul 20265312 PMAQI
22nd Jul 2026551 PMAQI
22nd Jul 2026502 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026654 PMAQI
22nd Jul 2026355 PMAQI
22nd Jul 2026466 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026238 PMAQI
22nd Jul 2026449 PMAQI
22nd Jul 20265610 PMAQI
22nd Jul 20265711 PMAQI
23rd Jul 20265912 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026362 AMAQI
23rd Jul 2026383 AMAQI
23rd Jul 2026384 AMAQI
23rd Jul 2026495 AMAQI

25°C15/31°C

23rd Jul 2026426 AMAQI
23rd Jul 2026347 AMAQI
23rd Jul 2026408 AMAQI
23rd Jul 2026469 AMAQI
23rd Jul 20264610 AMAQI
23rd Jul 20265211 AMAQI
23rd Jul 20264012 PMAQI
23rd Jul 2026381 PMAQI
23rd Jul 2026502 PMAQI
23rd Jul 2026363 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026405 PMAQI
23rd Jul 2026306 PMAQI
23rd Jul 2026277 PMAQI
23rd Jul 2026238 PMAQI
23rd Jul 2026539 PMAQI
23rd Jul 20265410 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20264212 AMAQI
24th Jul 2026531 AMAQI
24th Jul 2026362 AMAQI
24th Jul 2026543 AMAQI
24th Jul 2026384 AMAQI
24th Jul 2026565 AMAQI

24°C11/33°C

24th Jul 2026566 AMAQI
24th Jul 2026517 AMAQI
24th Jul 2026568 AMAQI
24th Jul 2026549 AMAQI
24th Jul 20265210 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20265212 PMAQI
24th Jul 2026231 PMAQI
24th Jul 2026542 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026405 PMAQI
24th Jul 2026276 PMAQI
24th Jul 2026407 PMAQI
24th Jul 2026428 PMAQI
24th Jul 2026369 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20266011 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026501 AMAQI
25th Jul 2026512 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026524 AMAQI
25th Jul 2026465 AMAQI

24°C11/33°C

25th Jul 2026446 AMAQI
25th Jul 2026427 AMAQI
25th Jul 2026238 AMAQI
25th Jul 2026559 AMAQI
25th Jul 20265010 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20264012 PMAQI
25th Jul 2026511 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026483 PMAQI
25th Jul 2026514 PMAQI
25th Jul 2026465 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026427 PMAQI
25th Jul 2026408 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026551 AMAQI
26th Jul 2026502 AMAQI
26th Jul 2026443 AMAQI
26th Jul 2026534 AMAQI
26th Jul 2026535 AMAQI

25°C15/32°C

26th Jul 2026506 AMAQI
26th Jul 2026487 AMAQI
26th Jul 2026538 AMAQI
26th Jul 2026599 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20265211 AMAQI
26th Jul 20265512 PMAQI
26th Jul 2026461 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026513 PMAQI
26th Jul 2026384 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026407 PMAQI
26th Jul 2026368 PMAQI
26th Jul 2026569 PMAQI
26th Jul 20265910 PMAQI
26th Jul 20265811 PMAQI
27th Jul 20264812 AMAQI
27th Jul 2026551 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026403 AMAQI
27th Jul 2026444 AMAQI
27th Jul 2026465 AMAQI

24°C12/32°C

27th Jul 2026486 AMAQI
27th Jul 2026507 AMAQI
27th Jul 2026528 AMAQI
27th Jul 2026429 AMAQI
27th Jul 20266410 AMAQI
27th Jul 20266311 AMAQI
27th Jul 20264212 PMAQI
27th Jul 2026551 PMAQI
27th Jul 2026572 PMAQI
27th Jul 2026593 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026365 PMAQI
27th Jul 2026336 PMAQI
27th Jul 2026317 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026389 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20265412 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026362 AMAQI
28th Jul 2026343 AMAQI
28th Jul 2026214 AMAQI
28th Jul 2026365 AMAQI

24°C13/32°C

28th Jul 2026506 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026529 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264511 AMAQI
28th Jul 20264212 PMAQI
28th Jul 2026401 PMAQI
28th Jul 2026442 PMAQI
28th Jul 2026543 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026235 PMAQI
28th Jul 2026306 PMAQI
28th Jul 2026427 PMAQI
28th Jul 2026468 PMAQI
28th Jul 2026489 PMAQI
28th Jul 20265010 PMAQI
28th Jul 20266811 PMAQI
29th Jul 20263712 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026352 AMAQI
29th Jul 2026543 AMAQI
29th Jul 2026524 AMAQI
29th Jul 2026365 AMAQI

25°C13/34°C

29th Jul 2026586 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026449 AMAQI
29th Jul 20264610 AMAQI
29th Jul 20264211 AMAQI
29th Jul 20264612 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026504 PMAQI
29th Jul 2026385 PMAQI
29th Jul 2026366 PMAQI
29th Jul 2026247 PMAQI
29th Jul 2026508 PMAQI
29th Jul 2026359 PMAQI
29th Jul 20265610 PMAQI
29th Jul 20265211 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026402 AMAQI
30th Jul 2026383 AMAQI
30th Jul 2026584 AMAQI
30th Jul 2026605 AMAQI

25°C15/34°C

30th Jul 2026626 AMAQI
30th Jul 2026567 AMAQI
30th Jul 2026648 AMAQI
30th Jul 2026609 AMAQI
30th Jul 20265610 AMAQI
30th Jul 20265311 AMAQI
30th Jul 20264812 PMAQI
30th Jul 2026401 PMAQI
30th Jul 2026582 PMAQI
30th Jul 2026663 PMAQI
30th Jul 2026474 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026446 PMAQI
30th Jul 2026717 PMAQI
30th Jul 2026548 PMAQI
30th Jul 2026749 PMAQI
30th Jul 20266710 PMAQI
30th Jul 20265611 PMAQI
31st Jul 20264312 AMAQI
31st Jul 2026521 AMAQI
31st Jul 2026542 AMAQI
31st Jul 2026423 AMAQI
31st Jul 2026484 AMAQI
31st Jul 2026465 AMAQI

26°C14/35°C

31st Jul 2026446 AMAQI
31st Jul 2026467 AMAQI
31st Jul 2026488 AMAQI
31st Jul 2026449 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20265011 AMAQI
31st Jul 20265512 PMAQI
31st Jul 2026671 PMAQI
31st Jul 2026622 PMAQI
31st Jul 2026663 PMAQI
31st Jul 2026624 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026576 PMAQI
31st Jul 2026537 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20263610 PMAQI
31st Jul 20265611 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026402 AMAQI
1st Aug 2026543 AMAQI
1st Aug 2026564 AMAQI
1st Aug 2026505 AMAQI

26°C14/36°C

1st Aug 2026346 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026348 AMAQI
1st Aug 2026529 AMAQI
1st Aug 20265010 AMAQI
1st Aug 20265011 AMAQI
1st Aug 20264212 PMAQI
1st Aug 2026361 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026444 PMAQI
1st Aug 2026305 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20264612 AMAQI
2nd Aug 2026231 AMAQI
2nd Aug 2026342 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026464 AMAQI
2nd Aug 2026465 AMAQI

26°C15/36°C

2nd Aug 2026426 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026449 AMAQI
2nd Aug 20264410 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026491 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026503 PMAQI
2nd Aug 2026504 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026316 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026508 PMAQI
2nd Aug 2026409 PMAQI
2nd Aug 20263410 PMAQI
2nd Aug 20265011 PMAQI
3rd Aug 20265012 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026522 AMAQI
3rd Aug 2026543 AMAQI
3rd Aug 2026504 AMAQI
3rd Aug 2026425 AMAQI

25°C14/35°C

3rd Aug 2026446 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026608 AMAQI
3rd Aug 2026489 AMAQI
3rd Aug 20265610 AMAQI
3rd Aug 20266411 AMAQI
3rd Aug 20266712 PMAQI
3rd Aug 2026861 PMAQI
3rd Aug 2026712 PMAQI
3rd Aug 2026593 PMAQI
3rd Aug 2026604 PMAQI
3rd Aug 2026535 PMAQI
3rd Aug 2026446 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026568 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20265510 PMAQI
3rd Aug 20265211 PMAQI
4th Aug 20265212 AMAQI
4th Aug 2026521 AMAQI
4th Aug 2026602 AMAQI
4th Aug 2026683 AMAQI
4th Aug 2026594 AMAQI
4th Aug 2026635 AMAQI

26°C16/36°C

4th Aug 2026596 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026748 AMAQI
4th Aug 2026729 AMAQI
4th Aug 20266610 AMAQI
4th Aug 20266711 AMAQI
4th Aug 20267212 PMAQI
4th Aug 2026651 PMAQI
4th Aug 2026652 PMAQI
4th Aug 2026643 PMAQI
4th Aug 2026564 PMAQI
4th Aug 2026535 PMAQI
4th Aug 2026516 PMAQI
4th Aug 2026487 PMAQI
4th Aug 2026468 PMAQI
4th Aug 2026489 PMAQI
4th Aug 20265110 PMAQI
4th Aug 20265211 PMAQI
5th Aug 20265312 AMAQI
5th Aug 2026531 AMAQI
5th Aug 2026532 AMAQI
5th Aug 2026573 AMAQI
5th Aug 2026644 AMAQI
5th Aug 2026725 AMAQI

28°C16/38°C

5th Aug 2026716 AMAQI
5th Aug 2026827 AMAQI
5th Aug 2026788 AMAQI
5th Aug 2026789 AMAQI
5th Aug 20267110 AMAQI
5th Aug 20267311 AMAQI
5th Aug 20267212 PMAQI
5th Aug 2026661 PMAQI
5th Aug 2026622 PMAQI
5th Aug 2026593 PMAQI
5th Aug 2026594 PMAQI
5th Aug 2026585 PMAQI
5th Aug 2026546 PMAQI
5th Aug 2026527 PMAQI
5th Aug 2026518 PMAQI
5th Aug 2026529 PMAQI
5th Aug 20265710 PMAQI
5th Aug 20265811 PMAQI
6th Aug 20265912 AMAQI
6th Aug 2026621 AMAQI
6th Aug 2026562 AMAQI
6th Aug 2026573 AMAQI
6th Aug 2026674 AMAQI
6th Aug 2026655 AMAQI

27°C15/37°C

6th Aug 2026636 AMAQI
6th Aug 2026657 AMAQI
6th Aug 2026698 AMAQI
6th Aug 2026699 AMAQI
6th Aug 20266010 AMAQI
6th Aug 20266411 AMAQI
6th Aug 20266412 PMAQI
6th Aug 2026691 PMAQI
6th Aug 2026572 PMAQI
6th Aug 2026593 PMAQI
6th Aug 2026724 PMAQI
6th Aug 2026655 PMAQI
6th Aug 2026586 PMAQI
6th Aug 2026557 PMAQI
6th Aug 2026518 PMAQI
6th Aug 2026499 PMAQI
6th Aug 20265410 PMAQI
6th Aug 20265811 PMAQI
7th Aug 20266312 AMAQI
7th Aug 2026581 AMAQI
7th Aug 2026602 AMAQI
7th Aug 2026733 AMAQI
7th Aug 2026674 AMAQI
7th Aug 2026665 AMAQI

27°C13/37°C

7th Aug 2026806 AMAQI
7th Aug 2026737 AMAQI
7th Aug 2026718 AMAQI
7th Aug 2026719 AMAQI
7th Aug 20267610 AMAQI
7th Aug 20266711 AMAQI
7th Aug 20267312 PMAQI
7th Aug 2026781 PMAQI
7th Aug 2026762 PMAQI
7th Aug 2026693 PMAQI
7th Aug 2026654 PMAQI
7th Aug 2026585 PMAQI
7th Aug 2026646 PMAQI
7th Aug 2026547 PMAQI
7th Aug 2026528 PMAQI
7th Aug 2026599 PMAQI
7th Aug 20265210 PMAQI
7th Aug 20265711 PMAQI
8th Aug 20266012 AMAQI
8th Aug 2026571 AMAQI
8th Aug 2026642 AMAQI
8th Aug 2026653 AMAQI
8th Aug 2026654 AMAQI
8th Aug 2026685 AMAQI

28°C15/39°C

8th Aug 2026706 AMAQI
8th Aug 2026657 AMAQI
8th Aug 2026698 AMAQI
8th Aug 2026719 AMAQI
8th Aug 20267010 AMAQI
8th Aug 20267011 AMAQI
8th Aug 20266812 PMAQI
8th Aug 2026731 PMAQI
8th Aug 2026762 PMAQI
8th Aug 2026733 PMAQI
8th Aug 2026674 PMAQI
8th Aug 2026595 PMAQI
8th Aug 2026556 PMAQI
8th Aug 2026537 PMAQI
8th Aug 2026488 PMAQI
8th Aug 2026489 PMAQI
8th Aug 20266010 PMAQI
8th Aug 20264211 PMAQI
9th Aug 20264412 AMAQI
9th Aug 2026521 AMAQI
9th Aug 2026422 AMAQI
9th Aug 2026403 AMAQI
9th Aug 2026384 AMAQI
9th Aug 2026425 AMAQI

29°C16/40°C

9th Aug 2026506 AMAQI
9th Aug 2026507 AMAQI
9th Aug 2026688 AMAQI
9th Aug 2026689 AMAQI
9th Aug 20267210 AMAQI
9th Aug 20267811 AMAQI
9th Aug 20266912 PMAQI
9th Aug 2026761 PMAQI
9th Aug 2026702 PMAQI
9th Aug 2026663 PMAQI
9th Aug 2026664 PMAQI
9th Aug 2026625 PMAQI
9th Aug 2026626 PMAQI
9th Aug 2026577 PMAQI
9th Aug 2026538 PMAQI
9th Aug 2026509 PMAQI
9th Aug 20262410 PMAQI
9th Aug 20267411 PMAQI
10th Aug 20264212 AMAQI
10th Aug 2026441 AMAQI
10th Aug 2026382 AMAQI
10th Aug 2026523 AMAQI
10th Aug 2026394 AMAQI
10th Aug 2026505 AMAQI

28°C16/38°C

10th Aug 2026526 AMAQI
10th Aug 2026537 AMAQI
10th Aug 2026578 AMAQI
10th Aug 2026839 AMAQI
10th Aug 20268210 AMAQI
10th Aug 20266811 AMAQI
10th Aug 20267312 PMAQI
10th Aug 2026731 PMAQI
10th Aug 2026722 PMAQI
10th Aug 2026813 PMAQI
10th Aug 20261104 PMAQI
10th Aug 20261045 PMAQI
10th Aug 2026886 PMAQI
10th Aug 2026847 PMAQI
10th Aug 2026838 PMAQI
10th Aug 2026729 PMAQI
10th Aug 20266410 PMAQI
10th Aug 20265211 PMAQI
11th Aug 20264812 AMAQI
11th Aug 2026461 AMAQI
11th Aug 2026382 AMAQI
11th Aug 2026403 AMAQI
11th Aug 2026384 AMAQI
11th Aug 2026485 AMAQI

27°C16/37°C

11th Aug 2026446 AMAQI
11th Aug 2026557 AMAQI
11th Aug 2026748 AMAQI
11th Aug 2026809 AMAQI
11th Aug 20267810 AMAQI
11th Aug 20267611 AMAQI
11th Aug 20267212 PMAQI
11th Aug 2026681 PMAQI
11th Aug 2026872 PMAQI
11th Aug 2026943 PMAQI
11th Aug 2026524 PMAQI
11th Aug 2026705 PMAQI
11th Aug 2026686 PMAQI
11th Aug 2026677 PMAQI
11th Aug 2026548 PMAQI
11th Aug 2026529 PMAQI
11th Aug 20265010 PMAQI
11th Aug 20265911 PMAQI
12th Aug 20265812 AMAQI
12th Aug 2026671 AMAQI
12th Aug 2026662 AMAQI
12th Aug 2026703 AMAQI
12th Aug 2026794 AMAQI
12th Aug 2026765 AMAQI

26°C15/35°C

12th Aug 2026706 AMAQI
12th Aug 2026907 AMAQI
12th Aug 2026908 AMAQI
12th Aug 20261009 AMAQI
12th Aug 20268810 AMAQI
12th Aug 20268811 AMAQI
12th Aug 20266712 PMAQI
12th Aug 2026511 PMAQI
12th Aug 2026522 PMAQI
12th Aug 2026423 PMAQI
12th Aug 2026444 PMAQI
12th Aug 2026425 PMAQI
12th Aug 2026406 PMAQI
12th Aug 2026467 PMAQI
12th Aug 2026368 PMAQI
12th Aug 2026549 PMAQI
12th Aug 20265110 PMAQI
12th Aug 20264211 PMAQI
13th Aug 20264612 AMAQI
13th Aug 2026461 AMAQI
13th Aug 2026482 AMAQI
13th Aug 2026553 AMAQI
13th Aug 2026644 AMAQI
13th Aug 2026565 AMAQI

25°C14/34°C

13th Aug 2026506 AMAQI
13th Aug 2026607 AMAQI
13th Aug 2026578 AMAQI
13th Aug 2026599 AMAQI
13th Aug 20265710 AMAQI
13th Aug 20266011 AMAQI
13th Aug 20265912 PMAQI
13th Aug 2026641 PMAQI
13th Aug 2026592 PMAQI
13th Aug 2026503 PMAQI
13th Aug 2026424 PMAQI
13th Aug 2026425 PMAQI
13th Aug 2026446 PMAQI
13th Aug 2026547 PMAQI
13th Aug 2026638 PMAQI
13th Aug 2026629 PMAQI
13th Aug 20265510 PMAQI
13th Aug 20265411 PMAQI
14th Aug 20265312 AMAQI
14th Aug 2026511 AMAQI
14th Aug 2026462 AMAQI
14th Aug 2026463 AMAQI
14th Aug 2026384 AMAQI
14th Aug 2026365 AMAQI

22°C13/29°C

14th Aug 2026386 AMAQI
14th Aug 2026427 AMAQI
14th Aug 2026428 AMAQI
14th Aug 2026369 AMAQI
14th Aug 20264010 AMAQI
14th Aug 20265111 AMAQI
14th Aug 20264912 PMAQI
14th Aug 2026511 PMAQI
14th Aug 2026502 PMAQI
14th Aug 2026503 PMAQI
14th Aug 2026524 PMAQI
14th Aug 2026515 PMAQI
14th Aug 2026486 PMAQI
14th Aug 2026467 PMAQI
14th Aug 2026468 PMAQI
14th Aug 2026449 PMAQI
14th Aug 20264210 PMAQI
14th Aug 20265011 PMAQI
15th Aug 20265212 AMAQI
15th Aug 2026491 AMAQI
15th Aug 2026442 AMAQI
15th Aug 2026403 AMAQI
15th Aug 2026464 AMAQI
15th Aug 2026425 AMAQI

21°C13/28°C

15th Aug 2026446 AMAQI
15th Aug 2026427 AMAQI
15th Aug 2026448 AMAQI
15th Aug 2026489 AMAQI
15th Aug 20264410 AMAQI
15th Aug 20263811 AMAQI
15th Aug 20264012 PMAQI
15th Aug 2026401 PMAQI
15th Aug 2026382 PMAQI
15th Aug 2026403 PMAQI
15th Aug 2026404 PMAQI
15th Aug 2026405 PMAQI
15th Aug 2026426 PMAQI
15th Aug 2026407 PMAQI
15th Aug 2026448 PMAQI
15th Aug 2026409 PMAQI
15th Aug 20264810 PMAQI
15th Aug 20266211 PMAQI
16th Aug 20266612 AMAQI
16th Aug 2026641 AMAQI
16th Aug 2026592 AMAQI
16th Aug 2026653 AMAQI
16th Aug 2026604 AMAQI
16th Aug 2026575 AMAQI

19°C10/29°C

16th Aug 2026486 AMAQI
16th Aug 2026507 AMAQI
16th Aug 2026448 AMAQI
16th Aug 2026429 AMAQI
16th Aug 20265010 AMAQI
16th Aug 20264211 AMAQI
16th Aug 20264012 PMAQI
16th Aug 2026421 PMAQI
16th Aug 2026442 PMAQI
16th Aug 2026483 PMAQI
16th Aug 2026404 PMAQI
16th Aug 2026405 PMAQI
16th Aug 2026336 PMAQI
16th Aug 2026507 PMAQI
16th Aug 2026488 PMAQI
16th Aug 2026529 PMAQI
16th Aug 20265610 PMAQI
16th Aug 20265411 PMAQI
17th Aug 20264412 AMAQI
17th Aug 2026601 AMAQI
17th Aug 2026572 AMAQI
17th Aug 2026493 AMAQI
17th Aug 2026524 AMAQI
17th Aug 2026525 AMAQI

21°C10/31°C

17th Aug 2026406 AMAQI
6 AM
17th Aug 2026387 AMAQI
17th Aug 2026468 AMAQI
17th Aug 2026509 AMAQI
17th Aug 20265110 AMAQI
17th Aug 20265211 AMAQI
17th Aug 20265312 PMAQI
17th Aug 2026511 PMAQI
1 PM
17th Aug 2026552 PMAQI
17th Aug 2026533 PMAQI
17th Aug 2026524 PMAQI
17th Aug 2026465 PMAQI
17th Aug 2026406 PMAQI
17th Aug 2026427 PMAQI
17th Aug 2026448 PMAQI
8 PM
17th Aug 2026409 PMAQI
17th Aug 20263810 PMAQI
17th Aug 20265011 PMAQI
1 AM
5 AM

23°C12/32°C

Day time
Avg. Highest Time
9 AM - 3 PM

56AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
5 PM - 8 PM

46AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 3 PM (Avg. 56), while the lowest AQI was between 5 PM to 8 PM (Avg. 46).
Night time
Avg. Highest Time
11 PM

54AQI

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

48AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 54), while the lowest AQI was between 9 PM to 9 PM (Avg. 48).

2026 Days Vs Air Quality

Mount Shasta, California, United States

2026

92%

207

8%

18

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
207 Days
Moderate
18 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2026, 92% of 229 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

Mount Shasta, 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
40AQI (US)
2nd January 2026
14AQI (US)
3rd January 2026
15AQI (US)
4th January 2026
16AQI (US)
5th January 2026
23AQI (US)
6th January 2026
27AQI (US)
7th January 2026
20AQI (US)
8th January 2026
16AQI (US)
9th January 2026
36AQI (US)
10th January 2026
35AQI (US)
11th January 2026
39AQI (US)
12th January 2026
50AQI (US)
13th January 2026
51AQI (US)
14th January 2026
55AQI (US)
15th January 2026
44AQI (US)
16th January 2026
28AQI (US)
17th January 2026
37AQI (US)
18th January 2026
43AQI (US)
19th January 2026
31AQI (US)
20th January 2026
44AQI (US)
21st January 2026
50AQI (US)
22nd January 2026
41AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
42AQI (US)
25th January 2026
32AQI (US)
26th January 2026
23AQI (US)
27th January 2026
27AQI (US)
28th January 2026
28AQI (US)
29th January 2026
44AQI (US)
30th January 2026
39AQI (US)
31st January 2026
31AQI (US)
1st February 2026
26AQI (US)
2nd February 2026
34AQI (US)
3rd February 2026
26AQI (US)
4th February 2026
24AQI (US)
5th February 2026
31AQI (US)
6th February 2026
26AQI (US)
7th February 2026
29AQI (US)
8th February 2026
31AQI (US)
9th February 2026
43AQI (US)
10th February 2026
38AQI (US)
11th February 2026
44AQI (US)
12th February 2026
46AQI (US)
13th February 2026
45AQI (US)
14th February 2026
27AQI (US)
15th February 2026
27AQI (US)
16th February 2026
42AQI (US)
17th February 2026
46AQI (US)
18th February 2026
42AQI (US)
19th February 2026
43AQI (US)
20th February 2026
42AQI (US)
21st February 2026
28AQI (US)
22nd February 2026
27AQI (US)
23rd February 2026
34AQI (US)
24th February 2026
42AQI (US)
25th February 2026
40AQI (US)
26th February 2026
34AQI (US)
27th February 2026
28AQI (US)
28th February 2026
35AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
49AQI (US)
3rd March 2026
36AQI (US)
4th March 2026
32AQI (US)
5th March 2026
35AQI (US)
6th March 2026
29AQI (US)
7th March 2026
36AQI (US)
8th March 2026
26AQI (US)
9th March 2026
21AQI (US)
10th March 2026
21AQI (US)
11th March 2026
23AQI (US)
12th March 2026
29AQI (US)
13th March 2026
25AQI (US)
14th March 2026
24AQI (US)
15th March 2026
21AQI (US)
16th March 2026
32AQI (US)
17th March 2026
29AQI (US)
18th March 2026
20AQI (US)
19th March 2026
20AQI (US)
20th March 2026
26AQI (US)
21st March 2026
22AQI (US)
22nd March 2026
18AQI (US)
23rd March 2026
24AQI (US)
24th March 2026
23AQI (US)
25th March 2026
21AQI (US)
26th March 2026
32AQI (US)
27th March 2026
19AQI (US)
28th March 2026
17AQI (US)
29th March 2026
16AQI (US)
30th March 2026
23AQI (US)
31st March 2026
23AQI (US)
1st April 2026
27AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
28AQI (US)
4th April 2026
27AQI (US)
5th April 2026
24AQI (US)
6th April 2026
27AQI (US)
7th April 2026
25AQI (US)
8th April 2026
32AQI (US)
9th April 2026
21AQI (US)
10th April 2026
28AQI (US)
11th April 2026
32AQI (US)
12th April 2026
30AQI (US)
13th April 2026
34AQI (US)
14th April 2026
35AQI (US)
15th April 2026
23AQI (US)
16th April 2026
33AQI (US)
17th April 2026
18th April 2026
23AQI (US)
19th April 2026
16AQI (US)
20th April 2026
21AQI (US)
21st April 2026
29AQI (US)
22nd April 2026
23rd April 2026
27AQI (US)
24th April 2026
26AQI (US)
25th April 2026
13AQI (US)
26th April 2026
24AQI (US)
27th April 2026
24AQI (US)
28th April 2026
18AQI (US)
29th April 2026
16AQI (US)
30th April 2026
19AQI (US)
1st May 2026
20AQI (US)
2nd May 2026
19AQI (US)
3rd May 2026
19AQI (US)
4th May 2026
25AQI (US)
5th May 2026
34AQI (US)
6th May 2026
23AQI (US)
7th May 2026
16AQI (US)
8th May 2026
26AQI (US)
9th May 2026
10th May 2026
32AQI (US)
11th May 2026
28AQI (US)
12th May 2026
32AQI (US)
13th May 2026
27AQI (US)
14th May 2026
20AQI (US)
15th May 2026
28AQI (US)
16th May 2026
25AQI (US)
17th May 2026
34AQI (US)
18th May 2026
27AQI (US)
19th May 2026
25AQI (US)
20th May 2026
25AQI (US)
21st May 2026
22AQI (US)
22nd May 2026
25AQI (US)
23rd May 2026
25AQI (US)
24th May 2026
25AQI (US)
25th May 2026
25AQI (US)
26th May 2026
22AQI (US)
27th May 2026
25AQI (US)
28th May 2026
25AQI (US)
29th May 2026
22AQI (US)
30th May 2026
16AQI (US)
31st May 2026
28AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
14AQI (US)
3rd June 2026
16AQI (US)
4th June 2026
23AQI (US)
5th June 2026
25AQI (US)
6th June 2026
22AQI (US)
7th June 2026
20AQI (US)
8th June 2026
19AQI (US)
9th June 2026
26AQI (US)
10th June 2026
20AQI (US)
11th June 2026
24AQI (US)
12th June 2026
20AQI (US)
13th June 2026
18AQI (US)
14th June 2026
13AQI (US)
15th June 2026
20AQI (US)
16th June 2026
22AQI (US)
17th June 2026
22AQI (US)
18th June 2026
22AQI (US)
19th June 2026
13AQI (US)
20th June 2026
19AQI (US)
21st June 2026
11AQI (US)
22nd June 2026
17AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
18AQI (US)
25th June 2026
17AQI (US)
26th June 2026
19AQI (US)
27th June 2026
29AQI (US)
28th June 2026
25AQI (US)
29th June 2026
20AQI (US)
30th June 2026
21AQI (US)
1st July 2026
17AQI (US)
2nd July 2026
24AQI (US)
3rd July 2026
25AQI (US)
4th July 2026
19AQI (US)
5th July 2026
25AQI (US)
6th July 2026
13AQI (US)
7th July 2026
18AQI (US)
8th July 2026
18AQI (US)
9th July 2026
20AQI (US)
10th July 2026
23AQI (US)
11th July 2026
17AQI (US)
12th July 2026
17AQI (US)
13th July 2026
16AQI (US)
14th July 2026
20AQI (US)
15th July 2026
16AQI (US)
16th July 2026
19AQI (US)
17th July 2026
57AQI (US)
18th July 2026
57AQI (US)
19th July 2026
56AQI (US)
20th July 2026
54AQI (US)
21st July 2026
47AQI (US)
22nd July 2026
46AQI (US)
23rd July 2026
42AQI (US)
24th July 2026
47AQI (US)
25th July 2026
43AQI (US)
26th July 2026
48AQI (US)
27th July 2026
45AQI (US)
28th July 2026
41AQI (US)
29th July 2026
40AQI (US)
30th July 2026
53AQI (US)
31st July 2026
49AQI (US)
1st August 2026
44AQI (US)
2nd August 2026
42AQI (US)
3rd August 2026
53AQI (US)
4th August 2026
59AQI (US)
5th August 2026
63AQI (US)
6th August 2026
61AQI (US)
7th August 2026
66AQI (US)
8th August 2026
63AQI (US)
9th August 2026
57AQI (US)
10th August 2026
67AQI (US)
11th August 2026
61AQI (US)
12th August 2026
63AQI (US)
13th August 2026
54AQI (US)
14th August 2026
46AQI (US)
15th August 2026
44AQI (US)
16th August 2026
50AQI (US)
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)

35AQI (US)

26AQI (US)

25AQI (US)

25AQI (US)

20AQI (US)

33AQI (US)

56AQI (US)

No. of days

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

202630AQI (US)

29
2
28
31
28
30
30
26
5
5
11
207
18

Highest AQI (US) recorded in

August

56AQI (US)

Lowest AQI (US) recorded in

June

20AQI (US)

202533AQI (US)

27
4
28
31
30
31
30
30
1
31
29
1
28
3
16
14
17
14
328
37

Highest AQI (US) recorded in

December

49AQI (US)

Lowest AQI (US) recorded in

May

23AQI (US)

202431AQI (US)

16
1
12
29
27
4
27
4
28
30
1
30
24
7
224
16

Highest AQI (US) recorded in

December

38AQI (US)

Lowest AQI (US) recorded in

March

13AQI (US)

202314AQI (US)

3
31
34

Highest AQI (US) recorded in

November

15AQI (US)

Lowest AQI (US) recorded in

December

14AQI (US)

202166AQI (US)

7
22
12
11
18
2
1
4
5
14
8
14
11
5
11
6
4
1
1
4
1
76
56
21
9

Highest AQI (US) recorded in

August

121AQI (US)

Lowest AQI (US) recorded in

October

26AQI (US)

202075AQI (US)

2
2
5
12
10
3
1
1
1
12
4
26
1
13
52
12
3

Highest AQI (US) recorded in

September

91AQI (US)

Lowest AQI (US) recorded in

August

57AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
75AQI (US)
Least Polluted Year Recorded
2023(Avg.)
14AQI (US)

Mount Shasta's annual 2026 AQI (US) (30) shows an average percentage change of -2.5% (improved AQI (US)) compared to previous years: 2020 (75), 2021 (66), 2023 (14), 2024 (31), 2025 (33).