E 1st Ave, 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!
October Air Quality Analysis
E 1st Ave, Colville, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
E 1st Ave, Colville, Washington, United States
6 AM17th Oct 2025
6 PM
5 AM18th Oct 2025
52AQI
23AQI
61AQI
28AQI
In the last 24 hours,
E 1st Ave's AQI reached its highest point of 61 at 10 PM during the Night, while the lowest point, 23, was recorded at 7 AM during the Day between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
E 1st Ave, Colville, Washington, United States
21°C13/29°C
21°C14/30°C
22°C14/28°C
17°C13/23°C
12°C7/20°C
15°C5/25°C
17°C6/27°C
17°C7/27°C
15°C7/23°C
15°C9/24°C
16°C6/26°C
16°C10/25°C
15°C11/20°C
13°C10/18°C
12°C7/20°C
12°C2/21°C
12°C4/20°C
11°C5/18°C
10°C-2/20°C
12°C2/21°C
12°C2/23°C
17°C9/28°C
16°C11/24°C
9°C6/11°C
6°C4/9°C
6°C2/12°C
6°C1/12°C
7°C0/13°C
6°C-1/13°C
9°C5/14°C
--°C/°C
45AQI
34AQI
47AQI
37AQI
2025 Days Vs Air Quality
E 1st Ave, Colville, Washington, United States
87%
253
11%
33
1%
4
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 291 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
E 1st Ave, Colville, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
49AQI
48AQI
25AQI
30AQI
32AQI
25AQI
27AQI
27AQI
24AQI
32AQI
27AQI
34AQI
35AQI
30AQI
35AQI
32AQI
33AQI
39AQI
36AQI
38AQI
45AQI
51AQI
55AQI
51AQI
37AQI
43AQI
52AQI
52AQI
55AQI
58AQI
59AQI
22AQI
28AQI
28AQI
22AQI
27AQI
30AQI
31AQI
33AQI
38AQI
34AQI
40AQI
40AQI
46AQI
27AQI
24AQI
38AQI
45AQI
43AQI
40AQI
38AQI
24AQI
26AQI
21AQI
21AQI
20AQI
30AQI
35AQI
47AQI
42AQI
42AQI
55AQI
46AQI
27AQI
36AQI
26AQI
26AQI
33AQI
21AQI
24AQI
20AQI
19AQI
22AQI
18AQI
16AQI
20AQI
21AQI
31AQI
16AQI
15AQI
14AQI
16AQI
19AQI
20AQI
24AQI
21AQI
16AQI
15AQI
20AQI
18AQI
16AQI
18AQI
19AQI
21AQI
20AQI
21AQI
22AQI
11AQI
12AQI
21AQI
16AQI
24AQI
17AQI
22AQI
28AQI
26AQI
19AQI
18AQI
18AQI
13AQI
13AQI
15AQI
20AQI
21AQI
39AQI
28AQI
28AQI
19AQI
13AQI
13AQI
22AQI
35AQI
34AQI
12AQI
12AQI
15AQI
18AQI
15AQI
15AQI
16AQI
16AQI
14AQI
14AQI
15AQI
14AQI
12AQI
12AQI
12AQI
12AQI
11AQI
11AQI
12AQI
12AQI
15AQI
19AQI
15AQI
13AQI
15AQI
21AQI
13AQI
16AQI
14AQI
12AQI
14AQI
15AQI
19AQI
19AQI
17AQI
16AQI
22AQI
18AQI
23AQI
38AQI
20AQI
16AQI
16AQI
16AQI
20AQI
22AQI
16AQI
17AQI
12AQI
12AQI
20AQI
38AQI
31AQI
18AQI
14AQI
14AQI
15AQI
16AQI
21AQI
26AQI
19AQI
17AQI
30AQI
16AQI
18AQI
19AQI
17AQI
17AQI
39AQI
24AQI
22AQI
50AQI
23AQI
23AQI
32AQI
28AQI
40AQI
32AQI
29AQI
25AQI
30AQI
33AQI
21AQI
16AQI
15AQI
16AQI
18AQI
29AQI
27AQI
38AQI
37AQI
37AQI
31AQI
32AQI
30AQI
17AQI
15AQI
16AQI
19AQI
20AQI
21AQI
31AQI
23AQI
30AQI
15AQI
17AQI
17AQI
19AQI
25AQI
25AQI
34AQI
35AQI
36AQI
41AQI
52AQI
58AQI
56AQI
55AQI
50AQI
66AQI
70AQI
82AQI
91AQI
119AQI
125AQI
149AQI
114AQI
90AQI
67AQI
65AQI
62AQI
77AQI
72AQI
59AQI
31AQI
32AQI
52AQI
52AQI
52AQI
61AQI
53AQI
23AQI
33AQI
33AQI
43AQI
35AQI
65AQI
79AQI
58AQI
31AQI
20AQI
20AQI
37AQI
41AQI
33AQI
51AQI
38AQI
43AQI
50AQI
46AQI
27AQI
24AQI
21AQI
41AQI
49AQI
38AQI
43AQI
39AQI
32AQI
24AQI
20AQI
16AQI
19AQI
25AQI
32AQI
66AQI
37AQI
No. of days
202531AQI
Highest AQI recorded in
September66AQI
Lowest AQI recorded in
May16AQI
202431AQI
Highest AQI recorded in
January41AQI
Lowest AQI recorded in
June18AQI
202339AQI
Highest AQI recorded in
August62AQI
Lowest AQI recorded in
September23AQI
202237AQI
Highest AQI recorded in
November58AQI
Lowest AQI recorded in
May13AQI
202141AQI
Highest AQI recorded in
August79AQI
Lowest AQI recorded in
May18AQI
202038AQI
Highest AQI recorded in
September94AQI
Lowest AQI recorded in
June18AQI
Most & Least Polluted Years Over the Last 6 Years
E 1st Ave's annual 2025 AQI (31) shows an average percentage change of -16.7% (improved AQI) compared to previous years: 2020 (38), 2021 (41), 2022 (37), 2023 (39), 2024 (31).