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!
August Air Quality Analysis
Omak, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Omak, Washington, United States
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
56AQI
42AQI
44AQI
32AQI
In the last 24 hours,
Omak's AQI reached its highest point of 56 at 2 PM during the Day, while the lowest point, 32, was recorded at 4 AM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Omak, Washington, United States
13°C2/25°C
16°C3/25°C
16°C5/24°C
17°C4/26°C
19°C7/29°C
20°C8/32°C
15°C5/25°C
17°C5/24°C
20°C8/29°C
20°C11/29°C
20°C8/33°C
17°C7/28°C
16°C6/26°C
21°C15/28°C
20°C12/29°C
19°C10/27°C
16°C4/24°C
17°C6/25°C
16°C8/24°C
17°C9/25°C
20°C8/27°C
19°C8/29°C
14°C4/26°C
14°C2/25°C
15°C4/26°C
20°C8/29°C
23°C8/32°C
25°C16/34°C
21°C11/34°C
18°C8/30°C
--°C/°C
25AQI
25AQI
25AQI
25AQI
2025 Days Vs Air Quality
Omak, Washington, United States
98%
209
2%
4
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 214 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
Omak, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
47AQI
44AQI
39AQI
35AQI
41AQI
27AQI
31AQI
33AQI
27AQI
35AQI
44AQI
41AQI
49AQI
51AQI
42AQI
33AQI
36AQI
42AQI
40AQI
34AQI
41AQI
47AQI
51AQI
41AQI
29AQI
40AQI
44AQI
45AQI
46AQI
53AQI
59AQI
48AQI
35AQI
36AQI
23AQI
30AQI
34AQI
31AQI
41AQI
40AQI
30AQI
31AQI
40AQI
38AQI
32AQI
29AQI
39AQI
38AQI
38AQI
45AQI
28AQI
26AQI
37AQI
29AQI
28AQI
26AQI
32AQI
25AQI
28AQI
26AQI
28AQI
24AQI
33AQI
26AQI
25AQI
25AQI
23AQI
28AQI
18AQI
21AQI
22AQI
20AQI
21AQI
17AQI
18AQI
20AQI
17AQI
23AQI
20AQI
16AQI
17AQI
15AQI
20AQI
29AQI
25AQI
20AQI
17AQI
21AQI
24AQI
21AQI
18AQI
24AQI
20AQI
26AQI
23AQI
29AQI
24AQI
16AQI
18AQI
18AQI
17AQI
18AQI
19AQI
25AQI
27AQI
22AQI
19AQI
22AQI
23AQI
17AQI
14AQI
14AQI
22AQI
30AQI
34AQI
33AQI
29AQI
22AQI
18AQI
16AQI
20AQI
21AQI
22AQI
14AQI
14AQI
17AQI
18AQI
15AQI
18AQI
24AQI
17AQI
16AQI
15AQI
15AQI
14AQI
13AQI
15AQI
14AQI
15AQI
13AQI
13AQI
15AQI
18AQI
19AQI
23AQI
18AQI
14AQI
15AQI
20AQI
14AQI
17AQI
12AQI
13AQI
17AQI
17AQI
18AQI
20AQI
20AQI
18AQI
24AQI
25AQI
28AQI
34AQI
24AQI
19AQI
20AQI
28AQI
41AQI
31AQI
18AQI
20AQI
13AQI
14AQI
38AQI
48AQI
42AQI
22AQI
14AQI
12AQI
16AQI
19AQI
23AQI
21AQI
18AQI
19AQI
24AQI
20AQI
19AQI
27AQI
19AQI
15AQI
19AQI
22AQI
24AQI
22AQI
24AQI
29AQI
31AQI
29AQI
28AQI
29AQI
22AQI
29AQI
33AQI
33AQI
23AQI
21AQI
23AQI
23AQI
22AQI
25AQI
30AQI
46AQI
41AQI
33AQI
22AQI
22AQI
17AQI
23AQI
24AQI
46AQI
No. of days
202526AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
May17AQI
202426AQI
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
May11AQI
202335AQI
Highest AQI recorded in
August80AQI
Lowest AQI recorded in
April19AQI
202234AQI
Highest AQI recorded in
September48AQI
Lowest AQI recorded in
May16AQI
202142AQI
Highest AQI recorded in
July101AQI
Lowest AQI recorded in
May18AQI
202034AQI
Highest AQI recorded in
September86AQI
Lowest AQI recorded in
June12AQI
Most & Least Polluted Years Over the Last 6 Years
Omak's annual 2025 AQI (26) shows an average percentage change of -21.5% (improved AQI) compared to previous years: 2020 (34), 2021 (42), 2022 (34), 2023 (35), 2024 (26).