Colville, 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
Colville, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (11th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 164 of Unhealthy air quality on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Colville, Washington, United States
5 AM10th Aug 2026
8 PM
4 AM11th Aug 2026
162AQI
149AQI
168AQI
160AQI
In the last 24 hours,
Colville's AQI reached its highest point of 168 at 3 AM during the Night, while the lowest point, 149, was recorded at 2 PM during the Day between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Colville, Washington, United States
23°C12/32°C
22°C14/28°C
24°C14/34°C
27°C18/36°C
26°C18/33°C
24°C15/30°C
22°C12/31°C
24°C15/32°C
26°C17/35°C
28°C16/37°C
28°C19/36°C
26°C17/34°C
26°C18/33°C
22°C14/29°C
23°C14/29°C
24°C16/31°C
22°C14/30°C
22°C12/30°C
24°C13/33°C
23°C16/31°C
18°C12/23°C
19°C9/27°C
21°C10/29°C
22°C12/32°C
23°C14/32°C
24°C14/34°C
23°C15/32°C
21°C12/30°C
22°C14/30°C
22°C14/30°C
108AQI
84AQI
107AQI
87AQI
2026 Days Vs Air Quality
Colville, Washington, United States
83%
183
12%
26
3%
6
2%
5
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 223 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
Colville, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
52AQI (US)
64AQI (US)
60AQI (US)
39AQI (US)
28AQI (US)
18AQI (US)
25AQI (US)
28AQI (US)
33AQI (US)
49AQI (US)
55AQI (US)
54AQI (US)
59AQI (US)
34AQI (US)
19AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
30AQI (US)
32AQI (US)
32AQI (US)
38AQI (US)
47AQI (US)
45AQI (US)
39AQI (US)
54AQI (US)
63AQI (US)
35AQI (US)
32AQI (US)
40AQI (US)
23AQI (US)
41AQI (US)
29AQI (US)
25AQI (US)
30AQI (US)
31AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
32AQI (US)
38AQI (US)
40AQI (US)
48AQI (US)
47AQI (US)
37AQI (US)
22AQI (US)
33AQI (US)
31AQI (US)
36AQI (US)
29AQI (US)
34AQI (US)
39AQI (US)
32AQI (US)
26AQI (US)
38AQI (US)
38AQI (US)
34AQI (US)
34AQI (US)
29AQI (US)
40AQI (US)
61AQI (US)
60AQI (US)
39AQI (US)
34AQI (US)
27AQI (US)
31AQI (US)
31AQI (US)
33AQI (US)
40AQI (US)
34AQI (US)
26AQI (US)
34AQI (US)
26AQI (US)
19AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
32AQI (US)
32AQI (US)
29AQI (US)
21AQI (US)
37AQI (US)
31AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
19AQI (US)
26AQI (US)
22AQI (US)
17AQI (US)
21AQI (US)
21AQI (US)
25AQI (US)
22AQI (US)
21AQI (US)
25AQI (US)
30AQI (US)
30AQI (US)
16AQI (US)
26AQI (US)
22AQI (US)
32AQI (US)
22AQI (US)
20AQI (US)
21AQI (US)
24AQI (US)
32AQI (US)
18AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
20AQI (US)
23AQI (US)
20AQI (US)
24AQI (US)
29AQI (US)
26AQI (US)
22AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
18AQI (US)
26AQI (US)
20AQI (US)
19AQI (US)
27AQI (US)
29AQI (US)
20AQI (US)
41AQI (US)
49AQI (US)
52AQI (US)
47AQI (US)
43AQI (US)
45AQI (US)
37AQI (US)
39AQI (US)
46AQI (US)
38AQI (US)
42AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
17AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
19AQI (US)
18AQI (US)
15AQI (US)
14AQI (US)
18AQI (US)
20AQI (US)
17AQI (US)
23AQI (US)
22AQI (US)
19AQI (US)
17AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
17AQI (US)
19AQI (US)
14AQI (US)
13AQI (US)
18AQI (US)
17AQI (US)
16AQI (US)
20AQI (US)
22AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
20AQI (US)
22AQI (US)
15AQI (US)
12AQI (US)
14AQI (US)
18AQI (US)
27AQI (US)
16AQI (US)
18AQI (US)
20AQI (US)
14AQI (US)
15AQI (US)
12AQI (US)
19AQI (US)
17AQI (US)
31AQI (US)
22AQI (US)
19AQI (US)
63AQI (US)
74AQI (US)
90AQI (US)
116AQI (US)
81AQI (US)
92AQI (US)
120AQI (US)
91AQI (US)
69AQI (US)
102AQI (US)
89AQI (US)
71AQI (US)
100AQI (US)
82AQI (US)
94AQI (US)
105AQI (US)
97AQI (US)
72AQI (US)
63AQI (US)
127AQI (US)
166AQI (US)
157AQI (US)
138AQI (US)
182AQI (US)
158AQI (US)
164AQI (US)
39AQI (US)
34AQI (US)
31AQI (US)
23AQI (US)
31AQI (US)
20AQI (US)
52AQI (US)
130AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
August130AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
September66AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
January41AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
202339AQI (US)
Highest AQI (US) recorded in
August62AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
November58AQI (US)
Lowest AQI (US) recorded in
May13AQI (US)
202141AQI (US)
Highest AQI (US) recorded in
August79AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202038AQI (US)
Highest AQI (US) recorded in
September94AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Colville's annual 2026 AQI (US) (38) shows an average percentage change of 4.5% (worsened AQI (US)) compared to previous years: 2020 (38), 2021 (41), 2022 (37), 2023 (39), 2024 (31), 2025 (34).