Selah, 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
Selah, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 165 of Unhealthy air quality on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Selah, Washington, United States
5 AM3rd Aug 2026
8 PM
4 AM4th Aug 2026
164AQI
53AQI
165AQI
160AQI
In the last 24 hours,
Selah's AQI reached its highest point of 165 at 12 AM during the Night, while the lowest point, 53, was recorded at 9 AM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Selah, Washington, United States
21°C14/27°C
22°C17/30°C
19°C14/25°C
20°C15/27°C
20°C15/27°C
18°C13/26°C
17°C10/24°C
20°C12/28°C
23°C19/29°C
24°C19/30°C
23°C18/29°C
20°C15/26°C
18°C13/24°C
20°C14/27°C
22°C17/28°C
24°C19/30°C
27°C21/33°C
24°C19/30°C
23°C17/30°C
19°C14/24°C
18°C11/26°C
19°C12/26°C
18°C13/25°C
18°C12/25°C
20°C13/27°C
22°C16/28°C
17°C10/21°C
13°C8/18°C
16°C11/22°C
18°C13/25°C
49AQI
39AQI
47AQI
39AQI
2026 Days Vs Air Quality
Selah, Washington, United States
93%
198
6%
13
0.4%
1
0.4%
1
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 216 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
Selah, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
81AQI (US)
61AQI (US)
36AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
33AQI (US)
41AQI (US)
59AQI (US)
54AQI (US)
59AQI (US)
45AQI (US)
26AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
22AQI (US)
22AQI (US)
33AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
32AQI (US)
35AQI (US)
39AQI (US)
42AQI (US)
37AQI (US)
23AQI (US)
37AQI (US)
32AQI (US)
26AQI (US)
23AQI (US)
34AQI (US)
23AQI (US)
17AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
34AQI (US)
28AQI (US)
36AQI (US)
34AQI (US)
34AQI (US)
39AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
32AQI (US)
28AQI (US)
25AQI (US)
34AQI (US)
37AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
38AQI (US)
30AQI (US)
27AQI (US)
23AQI (US)
25AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
32AQI (US)
33AQI (US)
38AQI (US)
35AQI (US)
31AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
29AQI (US)
36AQI (US)
32AQI (US)
19AQI (US)
33AQI (US)
25AQI (US)
25AQI (US)
18AQI (US)
21AQI (US)
19AQI (US)
24AQI (US)
16AQI (US)
23AQI (US)
29AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
20AQI (US)
18AQI (US)
19AQI (US)
18AQI (US)
21AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
32AQI (US)
30AQI (US)
17AQI (US)
19AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
15AQI (US)
18AQI (US)
16AQI (US)
21AQI (US)
20AQI (US)
18AQI (US)
16AQI (US)
23AQI (US)
24AQI (US)
19AQI (US)
16AQI (US)
21AQI (US)
24AQI (US)
16AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
37AQI (US)
42AQI (US)
39AQI (US)
26AQI (US)
24AQI (US)
28AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
19AQI (US)
25AQI (US)
23AQI (US)
17AQI (US)
17AQI (US)
20AQI (US)
24AQI (US)
17AQI (US)
13AQI (US)
18AQI (US)
21AQI (US)
18AQI (US)
25AQI (US)
24AQI (US)
21AQI (US)
19AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
31AQI (US)
19AQI (US)
16AQI (US)
17AQI (US)
20AQI (US)
17AQI (US)
14AQI (US)
13AQI (US)
18AQI (US)
18AQI (US)
20AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
17AQI (US)
22AQI (US)
23AQI (US)
14AQI (US)
23AQI (US)
17AQI (US)
19AQI (US)
18AQI (US)
27AQI (US)
19AQI (US)
13AQI (US)
18AQI (US)
18AQI (US)
23AQI (US)
15AQI (US)
18AQI (US)
25AQI (US)
16AQI (US)
39AQI (US)
34AQI (US)
36AQI (US)
51AQI (US)
79AQI (US)
78AQI (US)
59AQI (US)
52AQI (US)
63AQI (US)
41AQI (US)
44AQI (US)
40AQI (US)
38AQI (US)
42AQI (US)
52AQI (US)
48AQI (US)
53AQI (US)
106AQI (US)
165AQI (US)
36AQI (US)
29AQI (US)
27AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
34AQI (US)
93AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
August93AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
September59AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202414AQI (US)
Highest AQI (US) recorded in
August33AQI (US)
Lowest AQI (US) recorded in
May2AQI (US)
202318AQI (US)
Highest AQI (US) recorded in
August44AQI (US)
Lowest AQI (US) recorded in
April3AQI (US)
20221AQI (US)
Highest AQI (US) recorded in
January1AQI (US)
Lowest AQI (US) recorded in
August1AQI (US)
20213AQI (US)
Highest AQI (US) recorded in
January20AQI (US)
Lowest AQI (US) recorded in
April0AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
September74AQI (US)
Lowest AQI (US) recorded in
November10AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Selah's annual 2026 AQI (US) (29) shows an average percentage change of 635.9% (worsened AQI (US)) compared to previous years: 2020 (36), 2021 (3), 2022 (1), 2023 (18), 2024 (14), 2025 (29).