Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Washington 155, Omak, Washington, 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

Washington 155, Omak, Washington, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Aug 2026
186AQI
Lowest AQI recorded on
17th Aug 2025
15AQI

Same Day Analysis (14th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 55 of Moderate air quality on the same day.

Day & Night AQI Trend: 14th Aug - 15th Aug 2026

Washington 155, Omak, Washington, United States

AQI
Day
Night
.

5 AM14th Aug 2026

8 PM

4 AM15th Aug 2026

Day time
Avg. Highest Time
9AM14th Aug

72AQI

Avg. Lowest Time
10AM14th Aug

42AQI

Night time
Avg. Highest Time
11PM14th Aug

69AQI

Avg. Lowest Time
4AM15th Aug

51AQI

In the last 24 hours,

Washington 155's AQI reached its highest point of 72 at 9 AM during the Day, while the lowest point, 42, was recorded at 10 AM during the Day between 14th Aug and 15th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Washington 155, Omak, Washington, United States

JulAug
17th - 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 - 15th15th
Day
Night
17th Jul 2026495 AMAQI
17th Jul 2026536 AMAQI
17th Jul 2026537 AMAQI
17th Jul 2026628 AMAQI
17th Jul 2026589 AMAQI
17th Jul 20265110 AMAQI
17th Jul 20265711 AMAQI
17th Jul 20265012 PMAQI
17th Jul 2026511 PMAQI
17th Jul 2026512 PMAQI
17th Jul 2026553 PMAQI
17th Jul 2026514 PMAQI
17th Jul 2026545 PMAQI
17th Jul 2026756 PMAQI
17th Jul 2026767 PMAQI
17th Jul 2026488 PMAQI
17th Jul 2026609 PMAQI
17th Jul 20266210 PMAQI
17th Jul 20266011 PMAQI
18th Jul 20266212 AMAQI
18th Jul 2026591 AMAQI
18th Jul 2026682 AMAQI
18th Jul 2026693 AMAQI
18th Jul 2026684 AMAQI

29°C21/35°C

18th Jul 2026625 AMAQI
18th Jul 2026596 AMAQI
18th Jul 2026657 AMAQI
18th Jul 2026748 AMAQI
18th Jul 2026799 AMAQI
18th Jul 20264210 AMAQI
18th Jul 20266811 AMAQI
18th Jul 20266012 PMAQI
18th Jul 2026551 PMAQI
18th Jul 2026482 PMAQI
18th Jul 2026663 PMAQI
18th Jul 2026784 PMAQI
18th Jul 2026985 PMAQI
18th Jul 2026876 PMAQI
18th Jul 20261317 PMAQI
18th Jul 2026978 PMAQI
18th Jul 20261059 PMAQI
18th Jul 202611210 PMAQI
18th Jul 20268511 PMAQI
19th Jul 20267012 AMAQI
19th Jul 2026901 AMAQI
19th Jul 2026852 AMAQI
19th Jul 2026753 AMAQI
19th Jul 2026704 AMAQI

26°C18/33°C

19th Jul 2026655 AMAQI
19th Jul 2026576 AMAQI
19th Jul 2026587 AMAQI
19th Jul 2026588 AMAQI
19th Jul 2026589 AMAQI
19th Jul 20265310 AMAQI
19th Jul 20264411 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026361 PMAQI
19th Jul 2026512 PMAQI
19th Jul 2026593 PMAQI
19th Jul 2026764 PMAQI
19th Jul 2026675 PMAQI
19th Jul 2026536 PMAQI
19th Jul 2026907 PMAQI
19th Jul 2026928 PMAQI
19th Jul 2026909 PMAQI
19th Jul 202610010 PMAQI
19th Jul 20265611 PMAQI
20th Jul 20266412 AMAQI
20th Jul 2026641 AMAQI
20th Jul 2026592 AMAQI
20th Jul 2026573 AMAQI
20th Jul 2026534 AMAQI

26°C18/34°C

20th Jul 2026485 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026407 AMAQI
20th Jul 2026678 AMAQI
20th Jul 2026539 AMAQI
20th Jul 20265610 AMAQI
20th Jul 20266611 AMAQI
20th Jul 20267812 PMAQI
20th Jul 2026821 PMAQI
20th Jul 2026672 PMAQI
20th Jul 2026463 PMAQI
20th Jul 2026464 PMAQI
20th Jul 2026705 PMAQI
20th Jul 2026726 PMAQI
20th Jul 2026857 PMAQI
20th Jul 2026999 PMAQI
20th Jul 202612110 PMAQI
20th Jul 202612811 PMAQI
21st Jul 202613112 AMAQI
21st Jul 20261321 AMAQI
21st Jul 20261382 AMAQI
21st Jul 20261183 AMAQI
21st Jul 20261084 AMAQI

28°C22/36°C

21st Jul 20261065 AMAQI
21st Jul 20261026 AMAQI
21st Jul 2026967 AMAQI
21st Jul 2026928 AMAQI
21st Jul 20261049 AMAQI
21st Jul 202610810 AMAQI
21st Jul 202610811 AMAQI
21st Jul 20269412 PMAQI
21st Jul 2026711 PMAQI
21st Jul 2026802 PMAQI
21st Jul 2026763 PMAQI
21st Jul 2026724 PMAQI
21st Jul 2026695 PMAQI
21st Jul 2026686 PMAQI
21st Jul 2026767 PMAQI
21st Jul 2026768 PMAQI
21st Jul 2026809 PMAQI
21st Jul 20269410 PMAQI
21st Jul 202610411 PMAQI
22nd Jul 202610412 AMAQI
22nd Jul 20261221 AMAQI
22nd Jul 20261112 AMAQI
22nd Jul 20261113 AMAQI
22nd Jul 20261124 AMAQI

30°C20/39°C

22nd Jul 20261025 AMAQI
22nd Jul 20261056 AMAQI
22nd Jul 20261007 AMAQI
22nd Jul 20261128 AMAQI
22nd Jul 20261169 AMAQI
22nd Jul 202612410 AMAQI
22nd Jul 202612811 AMAQI
22nd Jul 202613012 PMAQI
22nd Jul 20261301 PMAQI
22nd Jul 20261312 PMAQI
22nd Jul 20261313 PMAQI
22nd Jul 20261324 PMAQI
22nd Jul 2026965 PMAQI
22nd Jul 2026826 PMAQI
22nd Jul 2026727 PMAQI
22nd Jul 2026678 PMAQI
22nd Jul 2026699 PMAQI
22nd Jul 20266910 PMAQI
22nd Jul 20267611 PMAQI
23rd Jul 20268012 AMAQI
23rd Jul 2026761 AMAQI
23rd Jul 2026782 AMAQI
23rd Jul 2026733 AMAQI
23rd Jul 2026764 AMAQI

31°C19/41°C

23rd Jul 2026765 AMAQI
23rd Jul 2026946 AMAQI
23rd Jul 20261037 AMAQI
23rd Jul 20261228 AMAQI
23rd Jul 20261199 AMAQI
23rd Jul 202612410 AMAQI
23rd Jul 202613211 AMAQI
23rd Jul 202611012 PMAQI
23rd Jul 20261041 PMAQI
23rd Jul 20261112 PMAQI
23rd Jul 20261203 PMAQI
23rd Jul 20261484 PMAQI
23rd Jul 20261495 PMAQI
23rd Jul 20261536 PMAQI
23rd Jul 20261587 PMAQI
23rd Jul 20261668 PMAQI
23rd Jul 20261649 PMAQI
23rd Jul 202616210 PMAQI
23rd Jul 202614211 PMAQI
24th Jul 202612512 AMAQI
24th Jul 20261121 AMAQI
24th Jul 2026952 AMAQI
24th Jul 2026923 AMAQI
24th Jul 2026904 AMAQI

32°C25/39°C

24th Jul 2026945 AMAQI
24th Jul 2026926 AMAQI
24th Jul 2026947 AMAQI
24th Jul 2026948 AMAQI
24th Jul 2026819 AMAQI
24th Jul 20268910 AMAQI
24th Jul 20268611 AMAQI
24th Jul 20268512 PMAQI
24th Jul 2026831 PMAQI
24th Jul 2026802 PMAQI
24th Jul 2026823 PMAQI
24th Jul 2026924 PMAQI
24th Jul 2026955 PMAQI
24th Jul 2026886 PMAQI
24th Jul 2026857 PMAQI
24th Jul 2026828 PMAQI
24th Jul 2026839 PMAQI
24th Jul 20269910 PMAQI
24th Jul 20269411 PMAQI
25th Jul 20269212 AMAQI
25th Jul 2026981 AMAQI
25th Jul 2026972 AMAQI
25th Jul 20261013 AMAQI
25th Jul 2026804 AMAQI

29°C20/38°C

25th Jul 2026865 AMAQI
25th Jul 2026766 AMAQI
25th Jul 2026727 AMAQI
25th Jul 2026628 AMAQI
25th Jul 2026679 AMAQI
25th Jul 20267410 AMAQI
25th Jul 20267311 AMAQI
25th Jul 20266912 PMAQI
25th Jul 2026681 PMAQI
25th Jul 2026722 PMAQI
25th Jul 2026663 PMAQI
25th Jul 2026724 PMAQI
25th Jul 2026515 PMAQI
25th Jul 20261196 PMAQI
25th Jul 2026927 PMAQI
25th Jul 2026648 PMAQI
25th Jul 2026749 PMAQI
25th Jul 20266910 PMAQI
25th Jul 20265611 PMAQI
26th Jul 20264612 AMAQI
26th Jul 2026721 AMAQI
26th Jul 2026982 AMAQI
26th Jul 2026793 AMAQI
26th Jul 2026554 AMAQI

27°C19/35°C

26th Jul 2026735 AMAQI
26th Jul 2026946 AMAQI
26th Jul 20261087 AMAQI
26th Jul 20261088 AMAQI
26th Jul 20261329 AMAQI
26th Jul 202615310 AMAQI
26th Jul 202615111 AMAQI
26th Jul 202613412 PMAQI
26th Jul 20261151 PMAQI
26th Jul 2026722 PMAQI
26th Jul 2026663 PMAQI
26th Jul 2026624 PMAQI
26th Jul 2026545 PMAQI
26th Jul 20261326 PMAQI
26th Jul 20261207 PMAQI
26th Jul 20261468 PMAQI
26th Jul 2026489 PMAQI
26th Jul 202610610 PMAQI
26th Jul 20269211 PMAQI
27th Jul 20268312 AMAQI
27th Jul 2026721 AMAQI
27th Jul 2026842 AMAQI
27th Jul 2026713 AMAQI
27th Jul 2026634 AMAQI

25°C17/33°C

27th Jul 2026575 AMAQI
27th Jul 2026506 AMAQI
27th Jul 2026517 AMAQI
27th Jul 2026528 AMAQI
27th Jul 2026569 AMAQI
27th Jul 20265910 AMAQI
27th Jul 20266411 AMAQI
27th Jul 20268112 PMAQI
27th Jul 2026931 PMAQI
27th Jul 2026782 PMAQI
27th Jul 20261083 PMAQI
27th Jul 2026974 PMAQI
27th Jul 2026705 PMAQI
27th Jul 2026586 PMAQI
27th Jul 2026547 PMAQI
27th Jul 2026558 PMAQI
27th Jul 2026789 PMAQI
27th Jul 202610010 PMAQI
27th Jul 20267311 PMAQI
28th Jul 20266212 AMAQI
28th Jul 2026621 AMAQI
28th Jul 2026682 AMAQI
28th Jul 2026803 AMAQI
28th Jul 2026644 AMAQI

26°C18/34°C

28th Jul 2026675 AMAQI
28th Jul 2026696 AMAQI
28th Jul 2026807 AMAQI
28th Jul 2026838 AMAQI
28th Jul 2026859 AMAQI
28th Jul 20268610 AMAQI
28th Jul 20269611 AMAQI
28th Jul 20268412 PMAQI
28th Jul 2026841 PMAQI
28th Jul 20261002 PMAQI
28th Jul 20261083 PMAQI
28th Jul 2026954 PMAQI
28th Jul 2026905 PMAQI
28th Jul 2026956 PMAQI
28th Jul 20261027 PMAQI
28th Jul 2026718 PMAQI
28th Jul 2026589 PMAQI
28th Jul 20266310 PMAQI
28th Jul 20268111 PMAQI
29th Jul 20267012 AMAQI
29th Jul 2026861 AMAQI
29th Jul 2026842 AMAQI
29th Jul 2026693 AMAQI
29th Jul 2026664 AMAQI

25°C18/34°C

29th Jul 2026675 AMAQI
29th Jul 2026676 AMAQI
29th Jul 2026547 AMAQI
29th Jul 2026488 AMAQI
29th Jul 2026539 AMAQI
29th Jul 20266410 AMAQI
29th Jul 20267011 AMAQI
29th Jul 20267112 PMAQI
29th Jul 2026681 PMAQI
29th Jul 2026992 PMAQI
29th Jul 20261083 PMAQI
29th Jul 2026874 PMAQI
29th Jul 2026925 PMAQI
29th Jul 20261036 PMAQI
29th Jul 2026807 PMAQI
29th Jul 2026688 PMAQI
29th Jul 2026679 PMAQI
29th Jul 20266610 PMAQI
29th Jul 20267011 PMAQI
30th Jul 20266712 AMAQI
30th Jul 2026701 AMAQI
30th Jul 2026712 AMAQI
30th Jul 2026793 AMAQI
30th Jul 2026734 AMAQI

25°C16/32°C

30th Jul 2026765 AMAQI
30th Jul 2026696 AMAQI
30th Jul 2026687 AMAQI
30th Jul 2026828 AMAQI
30th Jul 2026949 AMAQI
30th Jul 20268510 AMAQI
30th Jul 20269211 AMAQI
30th Jul 20268412 PMAQI
30th Jul 2026901 PMAQI
30th Jul 2026822 PMAQI
30th Jul 2026823 PMAQI
30th Jul 2026824 PMAQI
30th Jul 2026855 PMAQI
30th Jul 2026566 PMAQI
30th Jul 2026567 PMAQI
30th Jul 2026538 PMAQI
30th Jul 2026539 PMAQI
30th Jul 202614210 PMAQI
30th Jul 202614011 PMAQI
31st Jul 202613512 AMAQI
31st Jul 20261241 AMAQI
31st Jul 2026892 AMAQI
31st Jul 2026803 AMAQI
31st Jul 2026464 AMAQI

25°C15/34°C

31st Jul 2026575 AMAQI
31st Jul 20261026 AMAQI
31st Jul 2026947 AMAQI
31st Jul 2026978 AMAQI
31st Jul 20261189 AMAQI
31st Jul 202614610 AMAQI
31st Jul 202613011 AMAQI
31st Jul 202611912 PMAQI
31st Jul 20261081 PMAQI
31st Jul 2026922 PMAQI
31st Jul 2026893 PMAQI
31st Jul 20261004 PMAQI
31st Jul 20261065 PMAQI
31st Jul 2026956 PMAQI
31st Jul 20261047 PMAQI
31st Jul 20261088 PMAQI
31st Jul 20261069 PMAQI
31st Jul 202611510 PMAQI
31st Jul 202610811 PMAQI
1st Aug 20268812 AMAQI
1st Aug 2026831 AMAQI
1st Aug 2026722 AMAQI
1st Aug 2026763 AMAQI
1st Aug 2026724 AMAQI

27°C18/36°C

1st Aug 2026665 AMAQI
1st Aug 2026746 AMAQI
1st Aug 2026757 AMAQI
1st Aug 2026788 AMAQI
1st Aug 2026829 AMAQI
1st Aug 20268110 AMAQI
1st Aug 20268811 AMAQI
1st Aug 20268412 PMAQI
1st Aug 2026681 PMAQI
1st Aug 2026742 PMAQI
1st Aug 2026903 PMAQI
1st Aug 20261054 PMAQI
1st Aug 2026785 PMAQI
1st Aug 20261586 PMAQI
1st Aug 20261047 PMAQI
1st Aug 2026808 PMAQI
1st Aug 2026939 PMAQI
1st Aug 202618010 PMAQI
1st Aug 202617411 PMAQI
2nd Aug 202617012 AMAQI
2nd Aug 20261621 AMAQI
2nd Aug 20261202 AMAQI
2nd Aug 20261223 AMAQI
2nd Aug 2026844 AMAQI

25°C18/34°C

2nd Aug 2026725 AMAQI
2nd Aug 2026556 AMAQI
2nd Aug 2026527 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026449 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20264411 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026621 PMAQI
2nd Aug 2026552 PMAQI
2nd Aug 2026363 PMAQI
2nd Aug 2026664 PMAQI
2nd Aug 2026575 PMAQI
2nd Aug 2026866 PMAQI
2nd Aug 20261257 PMAQI
2nd Aug 20261448 PMAQI
2nd Aug 20261289 PMAQI
2nd Aug 202611010 PMAQI
2nd Aug 20269011 PMAQI
3rd Aug 20267412 AMAQI
3rd Aug 2026741 AMAQI
3rd Aug 2026672 AMAQI
3rd Aug 2026653 AMAQI
3rd Aug 2026684 AMAQI

20°C14/25°C

3rd Aug 2026745 AMAQI
3rd Aug 2026766 AMAQI
3rd Aug 2026817 AMAQI
3rd Aug 2026788 AMAQI
3rd Aug 2026769 AMAQI
3rd Aug 20268110 AMAQI
3rd Aug 20268011 AMAQI
3rd Aug 20266212 PMAQI
3rd Aug 2026721 PMAQI
3rd Aug 2026822 PMAQI
3rd Aug 2026973 PMAQI
3rd Aug 2026994 PMAQI
3rd Aug 20261185 PMAQI
3rd Aug 20261206 PMAQI
3rd Aug 20261167 PMAQI
3rd Aug 20261158 PMAQI
3rd Aug 20261069 PMAQI
3rd Aug 20269410 PMAQI
3rd Aug 20268711 PMAQI
4th Aug 20267612 AMAQI
4th Aug 2026811 AMAQI
4th Aug 2026702 AMAQI
4th Aug 2026663 AMAQI
4th Aug 2026574 AMAQI

20°C13/28°C

4th Aug 2026445 AMAQI
4th Aug 2026386 AMAQI
4th Aug 2026387 AMAQI
4th Aug 2026508 AMAQI
4th Aug 2026649 AMAQI
4th Aug 20266610 AMAQI
4th Aug 20267011 AMAQI
4th Aug 20267612 PMAQI
4th Aug 2026781 PMAQI
4th Aug 2026692 PMAQI
4th Aug 20261343 PMAQI
4th Aug 20261524 PMAQI
4th Aug 20261505 PMAQI
4th Aug 20261526 PMAQI
4th Aug 20261587 PMAQI
4th Aug 20261588 PMAQI
4th Aug 20261529 PMAQI
4th Aug 202615010 PMAQI
4th Aug 202615411 PMAQI
5th Aug 202614812 AMAQI
5th Aug 20261321 AMAQI
5th Aug 20261222 AMAQI
5th Aug 20261153 AMAQI
5th Aug 20261224 AMAQI

22°C13/31°C

5th Aug 20261205 AMAQI
5th Aug 2026976 AMAQI
5th Aug 2026957 AMAQI
5th Aug 2026968 AMAQI
5th Aug 2026909 AMAQI
5th Aug 202610410 AMAQI
5th Aug 202611011 AMAQI
5th Aug 202610812 PMAQI
5th Aug 20261481 PMAQI
5th Aug 20261542 PMAQI
5th Aug 20261543 PMAQI
5th Aug 20261624 PMAQI
5th Aug 20261685 PMAQI
5th Aug 20261766 PMAQI
5th Aug 20261757 PMAQI
5th Aug 20261788 PMAQI
5th Aug 20261789 PMAQI
5th Aug 202617610 PMAQI
5th Aug 202617811 PMAQI
6th Aug 202618112 AMAQI
6th Aug 20261781 AMAQI
6th Aug 20261862 AMAQI
6th Aug 20261843 AMAQI
6th Aug 20261834 AMAQI

23°C13/34°C

6th Aug 20261825 AMAQI
6th Aug 20261806 AMAQI
6th Aug 20261807 AMAQI
6th Aug 20261828 AMAQI
6th Aug 20261809 AMAQI
6th Aug 202618210 AMAQI
6th Aug 202618411 AMAQI
6th Aug 202617812 PMAQI
6th Aug 20261801 PMAQI
6th Aug 20261742 PMAQI
6th Aug 20261763 PMAQI
6th Aug 20261804 PMAQI
6th Aug 20261785 PMAQI
6th Aug 20261866 PMAQI
6th Aug 20261767 PMAQI
6th Aug 20261728 PMAQI
6th Aug 20261709 PMAQI
6th Aug 202617610 PMAQI
6th Aug 202618111 PMAQI
7th Aug 202617912 AMAQI
7th Aug 20261821 AMAQI
7th Aug 20261822 AMAQI
7th Aug 20261823 AMAQI
7th Aug 20261814 AMAQI

25°C14/36°C

7th Aug 20261865 AMAQI
7th Aug 20261886 AMAQI
7th Aug 20261867 AMAQI
7th Aug 20261868 AMAQI
7th Aug 20261809 AMAQI
7th Aug 202619010 AMAQI
7th Aug 202618611 AMAQI
7th Aug 202618312 PMAQI
7th Aug 20261861 PMAQI
7th Aug 20261972 PMAQI
7th Aug 20262003 PMAQI
7th Aug 20262004 PMAQI
7th Aug 20261985 PMAQI
7th Aug 20261926 PMAQI
7th Aug 20261897 PMAQI
7th Aug 20261888 PMAQI
7th Aug 20261869 PMAQI
7th Aug 202617010 PMAQI
7th Aug 202616311 PMAQI
8th Aug 202615212 AMAQI
8th Aug 20261251 AMAQI
8th Aug 20261052 AMAQI
8th Aug 20261163 AMAQI
8th Aug 2026924 AMAQI

26°C16/37°C

8th Aug 2026855 AMAQI
8th Aug 2026826 AMAQI
8th Aug 2026967 AMAQI
8th Aug 20261108 AMAQI
8th Aug 20261309 AMAQI
8th Aug 202614810 AMAQI
8th Aug 202614811 AMAQI
8th Aug 202614512 PMAQI
8th Aug 20261321 PMAQI
8th Aug 20261302 PMAQI
8th Aug 20261533 PMAQI
8th Aug 20261544 PMAQI
8th Aug 20261545 PMAQI
8th Aug 20261546 PMAQI
8th Aug 20261527 PMAQI
8th Aug 20261568 PMAQI
8th Aug 20261569 PMAQI
8th Aug 202616010 PMAQI
8th Aug 202616011 PMAQI
9th Aug 202616612 AMAQI
9th Aug 20261581 AMAQI
9th Aug 20261392 AMAQI
9th Aug 20261023 AMAQI
9th Aug 2026814 AMAQI

26°C18/34°C

9th Aug 2026845 AMAQI
9th Aug 20261266 AMAQI
9th Aug 20261457 AMAQI
9th Aug 20261618 AMAQI
9th Aug 20261609 AMAQI
9th Aug 202616410 AMAQI
9th Aug 202616311 AMAQI
9th Aug 202615712 PMAQI
9th Aug 20261541 PMAQI
9th Aug 20261442 PMAQI
9th Aug 20261503 PMAQI
9th Aug 20261544 PMAQI
9th Aug 20261645 PMAQI
9th Aug 20261646 PMAQI
9th Aug 20261737 PMAQI
9th Aug 20261828 PMAQI
9th Aug 20261849 PMAQI
9th Aug 202619410 PMAQI
9th Aug 202619811 PMAQI
10th Aug 202619712 AMAQI
10th Aug 20261941 AMAQI
10th Aug 20261902 AMAQI
10th Aug 20261713 AMAQI
10th Aug 20261564 AMAQI

25°C17/34°C

10th Aug 20261385 AMAQI
10th Aug 2026946 AMAQI
10th Aug 2026847 AMAQI
10th Aug 2026878 AMAQI
10th Aug 2026849 AMAQI
10th Aug 202610310 AMAQI
10th Aug 202612011 AMAQI
10th Aug 202613612 PMAQI
10th Aug 20261551 PMAQI
10th Aug 20261622 PMAQI
10th Aug 20261603 PMAQI
10th Aug 20261624 PMAQI
10th Aug 20261665 PMAQI
10th Aug 20261546 PMAQI
10th Aug 20261607 PMAQI
10th Aug 20261678 PMAQI
10th Aug 20261669 PMAQI
10th Aug 202616410 PMAQI
10th Aug 202616811 PMAQI
11th Aug 202618412 AMAQI
11th Aug 20261781 AMAQI
11th Aug 20261752 AMAQI
11th Aug 20261713 AMAQI
11th Aug 20261684 AMAQI

26°C17/34°C

11th Aug 20261685 AMAQI
11th Aug 20261766 AMAQI
11th Aug 20261767 AMAQI
11th Aug 20261728 AMAQI
11th Aug 20261749 AMAQI
11th Aug 202617910 AMAQI
11th Aug 202617311 AMAQI
11th Aug 202617512 PMAQI
11th Aug 20261821 PMAQI
11th Aug 20261822 PMAQI
11th Aug 20261843 PMAQI
11th Aug 20261824 PMAQI
11th Aug 20261745 PMAQI
11th Aug 20261686 PMAQI
11th Aug 20261607 PMAQI
11th Aug 20261628 PMAQI
11th Aug 20261659 PMAQI
11th Aug 202615510 PMAQI
11th Aug 202615011 PMAQI
12th Aug 202613612 AMAQI
12th Aug 20261081 AMAQI
12th Aug 20261282 AMAQI
12th Aug 20261183 AMAQI
12th Aug 20261194 AMAQI

26°C19/33°C

12th Aug 20261085 AMAQI
12th Aug 20261096 AMAQI
12th Aug 20261127 AMAQI
12th Aug 2026978 AMAQI
12th Aug 2026989 AMAQI
12th Aug 20269710 AMAQI
12th Aug 20268111 AMAQI
12th Aug 20267412 PMAQI
12th Aug 2026651 PMAQI
12th Aug 2026672 PMAQI
12th Aug 2026573 PMAQI
12th Aug 2026524 PMAQI
12th Aug 2026405 PMAQI
12th Aug 2026666 PMAQI
12th Aug 2026687 PMAQI
12th Aug 2026738 PMAQI
12th Aug 20261089 PMAQI
12th Aug 20268610 PMAQI
12th Aug 20267811 PMAQI
13th Aug 20267012 AMAQI
13th Aug 2026761 AMAQI
13th Aug 2026792 AMAQI
13th Aug 2026713 AMAQI
13th Aug 2026704 AMAQI

24°C17/32°C

13th Aug 2026725 AMAQI
13th Aug 2026836 AMAQI
13th Aug 2026857 AMAQI
13th Aug 2026848 AMAQI
13th Aug 2026849 AMAQI
13th Aug 20268510 AMAQI
13th Aug 20268511 AMAQI
13th Aug 20269212 PMAQI
13th Aug 2026931 PMAQI
13th Aug 2026722 PMAQI
13th Aug 2026683 PMAQI
13th Aug 2026674 PMAQI
13th Aug 2026575 PMAQI
13th Aug 2026576 PMAQI
13th Aug 2026527 PMAQI
13th Aug 2026498 PMAQI
13th Aug 2026499 PMAQI
13th Aug 20267010 PMAQI
13th Aug 20267311 PMAQI
14th Aug 20267312 AMAQI
14th Aug 2026561 AMAQI
14th Aug 2026462 AMAQI
14th Aug 2026543 AMAQI
14th Aug 2026444 AMAQI

24°C17/31°C

14th Aug 2026585 AMAQI
14th Aug 2026636 AMAQI
14th Aug 2026577 AMAQI
14th Aug 2026578 AMAQI
14th Aug 2026729 AMAQI
14th Aug 20264210 AMAQI
14th Aug 20264911 AMAQI
14th Aug 20264412 PMAQI
14th Aug 2026461 PMAQI
14th Aug 2026482 PMAQI
14th Aug 2026463 PMAQI
14th Aug 2026484 PMAQI
14th Aug 2026495 PMAQI
14th Aug 2026566 PMAQI
14th Aug 2026517 PMAQI
14th Aug 2026578 PMAQI
14th Aug 2026599 PMAQI
14th Aug 20266610 PMAQI
14th Aug 20266911 PMAQI
15th Aug 20266612 AMAQI
15th Aug 2026651 AMAQI
15th Aug 2026672 AMAQI
15th Aug 2026643 AMAQI
15th Aug 2026514 AMAQI

24°C17/32°C

15th Aug 2026485 AMAQI
5 AM
15th Aug 2026446 AMAQI
15th Aug 2026467 AMAQI
15th Aug 2026548 AMAQI
15th Aug 2026469 AMAQI
15th Aug 20264210 AMAQI
15th Aug 20263811 AMAQI
15th Aug 20264212 PMAQI
12 PM
15th Aug 2026471 PMAQI
15th Aug 2026582 PMAQI
15th Aug 2026743 PMAQI
15th Aug 2026824 PMAQI
15th Aug 2026845 PMAQI
15th Aug 2026886 PMAQI
15th Aug 2026707 PMAQI
15th Aug 2026738 PMAQI
8 PM
15th Aug 2026819 PMAQI
15th Aug 20268510 PMAQI
12 AM
4 AM

23°C17/32°C

Day time
Avg. Highest Time
6 PM - 8 PM

110AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 AM - 7 AM

87AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 8 PM (Avg. 110), while the lowest AQI was between 5 AM to 7 AM (Avg. 87).
Night time
Avg. Highest Time
10 PM

117AQI

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

87AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 117), while the lowest AQI was between 4 AM to 4 AM (Avg. 87).

2026 Days Vs Air Quality

Washington 155, Omak, Washington, United States

2026

82%

183

13%

30

3%

6

2%

4

Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)

Good
183 Days
Moderate
30 Days
Poor
6 Days
Unhealthy
4 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2026, 82% of 227 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

Washington 155, Omak, Washington, 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
75AQI (US)
2nd January 2026
52AQI (US)
3rd January 2026
49AQI (US)
4th January 2026
42AQI (US)
5th January 2026
24AQI (US)
6th January 2026
12AQI (US)
7th January 2026
23AQI (US)
8th January 2026
25AQI (US)
9th January 2026
51AQI (US)
10th January 2026
44AQI (US)
11th January 2026
33AQI (US)
12th January 2026
20AQI (US)
13th January 2026
50AQI (US)
14th January 2026
38AQI (US)
15th January 2026
17AQI (US)
16th January 2026
19AQI (US)
17th January 2026
18AQI (US)
18th January 2026
23AQI (US)
19th January 2026
22AQI (US)
20th January 2026
14AQI (US)
21st January 2026
30AQI (US)
22nd January 2026
52AQI (US)
23rd January 2026
56AQI (US)
24th January 2026
50AQI (US)
25th January 2026
52AQI (US)
26th January 2026
45AQI (US)
27th January 2026
36AQI (US)
28th January 2026
42AQI (US)
29th January 2026
49AQI (US)
30th January 2026
49AQI (US)
31st January 2026
40AQI (US)
1st February 2026
53AQI (US)
2nd February 2026
51AQI (US)
3rd February 2026
49AQI (US)
4th February 2026
45AQI (US)
5th February 2026
49AQI (US)
6th February 2026
39AQI (US)
7th February 2026
36AQI (US)
8th February 2026
42AQI (US)
9th February 2026
44AQI (US)
10th February 2026
31AQI (US)
11th February 2026
27AQI (US)
12th February 2026
26AQI (US)
13th February 2026
25AQI (US)
14th February 2026
41AQI (US)
15th February 2026
32AQI (US)
16th February 2026
35AQI (US)
17th February 2026
36AQI (US)
18th February 2026
38AQI (US)
19th February 2026
43AQI (US)
20th February 2026
31AQI (US)
21st February 2026
32AQI (US)
22nd February 2026
28AQI (US)
23rd February 2026
32AQI (US)
24th February 2026
37AQI (US)
25th February 2026
34AQI (US)
26th February 2026
31AQI (US)
27th February 2026
33AQI (US)
28th February 2026
33AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
47AQI (US)
3rd March 2026
29AQI (US)
4th March 2026
39AQI (US)
5th March 2026
35AQI (US)
6th March 2026
25AQI (US)
7th March 2026
41AQI (US)
8th March 2026
39AQI (US)
9th March 2026
37AQI (US)
10th March 2026
34AQI (US)
11th March 2026
38AQI (US)
12th March 2026
38AQI (US)
13th March 2026
40AQI (US)
14th March 2026
33AQI (US)
15th March 2026
28AQI (US)
16th March 2026
32AQI (US)
17th March 2026
26AQI (US)
18th March 2026
29AQI (US)
19th March 2026
30AQI (US)
20th March 2026
44AQI (US)
21st March 2026
36AQI (US)
22nd March 2026
29AQI (US)
23rd March 2026
31AQI (US)
24th March 2026
28AQI (US)
25th March 2026
29AQI (US)
26th March 2026
26AQI (US)
27th March 2026
23AQI (US)
28th March 2026
23AQI (US)
29th March 2026
23AQI (US)
30th March 2026
25AQI (US)
31st March 2026
18AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
21AQI (US)
3rd April 2026
25AQI (US)
4th April 2026
27AQI (US)
5th April 2026
22AQI (US)
6th April 2026
24AQI (US)
7th April 2026
23AQI (US)
8th April 2026
26AQI (US)
9th April 2026
22AQI (US)
10th April 2026
27AQI (US)
11th April 2026
28AQI (US)
12th April 2026
22AQI (US)
13th April 2026
26AQI (US)
14th April 2026
30AQI (US)
15th April 2026
32AQI (US)
16th April 2026
27AQI (US)
17th April 2026
18th April 2026
21AQI (US)
19th April 2026
29AQI (US)
20th April 2026
20AQI (US)
21st April 2026
25AQI (US)
22nd April 2026
23rd April 2026
21AQI (US)
24th April 2026
23AQI (US)
25th April 2026
27AQI (US)
26th April 2026
28AQI (US)
27th April 2026
19AQI (US)
28th April 2026
20AQI (US)
29th April 2026
22AQI (US)
30th April 2026
22AQI (US)
1st May 2026
22AQI (US)
2nd May 2026
21AQI (US)
3rd May 2026
21AQI (US)
4th May 2026
31AQI (US)
5th May 2026
30AQI (US)
6th May 2026
27AQI (US)
7th May 2026
20AQI (US)
8th May 2026
24AQI (US)
9th May 2026
10th May 2026
23AQI (US)
11th May 2026
24AQI (US)
12th May 2026
21AQI (US)
13th May 2026
25AQI (US)
14th May 2026
21AQI (US)
15th May 2026
47AQI (US)
16th May 2026
51AQI (US)
17th May 2026
58AQI (US)
18th May 2026
50AQI (US)
19th May 2026
46AQI (US)
20th May 2026
51AQI (US)
21st May 2026
36AQI (US)
22nd May 2026
37AQI (US)
23rd May 2026
44AQI (US)
24th May 2026
43AQI (US)
25th May 2026
47AQI (US)
26th May 2026
28AQI (US)
27th May 2026
28AQI (US)
28th May 2026
27AQI (US)
29th May 2026
26AQI (US)
30th May 2026
29AQI (US)
31st May 2026
29AQI (US)
1st June 2026
31AQI (US)
2nd June 2026
31AQI (US)
3rd June 2026
30AQI (US)
4th June 2026
25AQI (US)
5th June 2026
28AQI (US)
6th June 2026
25AQI (US)
7th June 2026
24AQI (US)
8th June 2026
26AQI (US)
9th June 2026
26AQI (US)
10th June 2026
27AQI (US)
11th June 2026
28AQI (US)
12th June 2026
27AQI (US)
13th June 2026
25AQI (US)
14th June 2026
24AQI (US)
15th June 2026
26AQI (US)
16th June 2026
28AQI (US)
17th June 2026
28AQI (US)
18th June 2026
28AQI (US)
19th June 2026
25AQI (US)
20th June 2026
25AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
25AQI (US)
23rd June 2026
25AQI (US)
24th June 2026
24AQI (US)
25th June 2026
23AQI (US)
26th June 2026
28AQI (US)
27th June 2026
30AQI (US)
28th June 2026
27AQI (US)
29th June 2026
24AQI (US)
30th June 2026
26AQI (US)
1st July 2026
27AQI (US)
2nd July 2026
27AQI (US)
3rd July 2026
29AQI (US)
4th July 2026
25AQI (US)
5th July 2026
25AQI (US)
6th July 2026
28AQI (US)
7th July 2026
30AQI (US)
8th July 2026
27AQI (US)
9th July 2026
29AQI (US)
10th July 2026
33AQI (US)
11th July 2026
30AQI (US)
12th July 2026
29AQI (US)
13th July 2026
31AQI (US)
14th July 2026
30AQI (US)
15th July 2026
28AQI (US)
16th July 2026
29AQI (US)
17th July 2026
54AQI (US)
18th July 2026
75AQI (US)
19th July 2026
66AQI (US)
20th July 2026
68AQI (US)
21st July 2026
96AQI (US)
22nd July 2026
106AQI (US)
23rd July 2026
118AQI (US)
24th July 2026
91AQI (US)
25th July 2026
77AQI (US)
26th July 2026
96AQI (US)
27th July 2026
71AQI (US)
28th July 2026
81AQI (US)
29th July 2026
74AQI (US)
30th July 2026
80AQI (US)
31st July 2026
103AQI (US)
1st August 2026
93AQI (US)
2nd August 2026
84AQI (US)
3rd August 2026
86AQI (US)
4th August 2026
96AQI (US)
5th August 2026
138AQI (US)
6th August 2026
180AQI (US)
7th August 2026
186AQI (US)
8th August 2026
133AQI (US)
9th August 2026
153AQI (US)
10th August 2026
147AQI (US)
11th August 2026
172AQI (US)
12th August 2026
89AQI (US)
13th August 2026
73AQI (US)
14th August 2026
55AQI (US)
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

37AQI (US)

37AQI (US)

32AQI (US)

24AQI (US)

33AQI (US)

26AQI (US)

55AQI (US)

120AQI (US)

No. of days

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

202641AQI (US)

25
6
26
2
31
28
27
3
30
16
12
3
7
3
4
183
30
6
4

Highest AQI (US) recorded in

August

120AQI (US)

Lowest AQI (US) recorded in

April

24AQI (US)

202535AQI (US)

6
30
31
30
31
25
6
7
22
1
24
7
19
11
23
8
226
54
1

Highest AQI (US) recorded in

September

61AQI (US)

Lowest AQI (US) recorded in

May

18AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2026(Avg.)
41AQI (US)
Least Polluted Year Recorded
2025(Avg.)
35AQI (US)

Washington 155's annual 2026 AQI (US) (41) shows an average percentage change of 17.1% (worsened AQI (US)) compared to previous years: 2025 (35).