East 2nd Avenue, Twisp, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
East 2nd Avenue, Twisp, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 58 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
East 2nd Avenue, Twisp, Washington, United States
6 AM20th Sep 2025
7 PM
5 AM21st Sep 2025
72AQI
58AQI
62AQI
36AQI
In the last 24 hours,
East 2nd Avenue's AQI reached its highest point of 72 at 6 AM during the Day, while the lowest point, 36, was recorded at 5 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
East 2nd Avenue, Twisp, Washington, United States
19°C7/30°C
20°C8/32°C
22°C10/34°C
22°C11/35°C
22°C11/35°C
20°C13/29°C
17°C10/28°C
19°C8/31°C
19°C8/31°C
23°C12/32°C
23°C15/32°C
23°C10/36°C
24°C11/37°C
24°C13/35°C
22°C11/33°C
20°C11/32°C
15°C6/26°C
17°C5/27°C
18°C7/26°C
17°C7/28°C
17°C7/29°C
16°C7/28°C
15°C5/27°C
11°C4/18°C
12°C0/22°C
12°C2/24°C
18°C5/28°C
16°C6/27°C
19°C10/28°C
18°C6/28°C
--°C/°C
67AQI
62AQI
62AQI
60AQI
2025 Days Vs Air Quality
East 2nd Avenue, Twisp, Washington, United States
89%
158
10%
17
2%
3
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 264 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
East 2nd Avenue, Twisp, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
19AQI
18AQI
22AQI
24AQI
27AQI
22AQI
26AQI
19AQI
21AQI
24AQI
32AQI
30AQI
16AQI
18AQI
20AQI
17AQI
18AQI
19AQI
28AQI
32AQI
22AQI
20AQI
21AQI
29AQI
19AQI
15AQI
15AQI
33AQI
38AQI
42AQI
38AQI
31AQI
22AQI
14AQI
16AQI
22AQI
24AQI
23AQI
14AQI
14AQI
19AQI
20AQI
16AQI
20AQI
24AQI
18AQI
16AQI
15AQI
15AQI
15AQI
12AQI
14AQI
14AQI
18AQI
13AQI
12AQI
18AQI
18AQI
22AQI
26AQI
21AQI
15AQI
17AQI
18AQI
14AQI
17AQI
12AQI
13AQI
15AQI
17AQI
21AQI
21AQI
20AQI
21AQI
25AQI
26AQI
30AQI
35AQI
25AQI
22AQI
25AQI
36AQI
44AQI
29AQI
17AQI
22AQI
12AQI
15AQI
40AQI
50AQI
48AQI
22AQI
14AQI
13AQI
16AQI
20AQI
29AQI
22AQI
19AQI
22AQI
29AQI
19AQI
23AQI
31AQI
19AQI
16AQI
21AQI
20AQI
19AQI
25AQI
24AQI
29AQI
35AQI
30AQI
26AQI
24AQI
22AQI
27AQI
31AQI
33AQI
20AQI
18AQI
22AQI
22AQI
20AQI
24AQI
31AQI
42AQI
37AQI
31AQI
36AQI
34AQI
29AQI
17AQI
16AQI
18AQI
24AQI
22AQI
22AQI
29AQI
31AQI
39AQI
15AQI
15AQI
18AQI
20AQI
20AQI
21AQI
25AQI
29AQI
38AQI
42AQI
50AQI
54AQI
54AQI
54AQI
50AQI
56AQI
63AQI
73AQI
77AQI
100AQI
126AQI
148AQI
108AQI
75AQI
62AQI
56AQI
59AQI
67AQI
72AQI
58AQI
28AQI
38AQI
47AQI
56AQI
58AQI
22AQI
24AQI
18AQI
24AQI
24AQI
32AQI
72AQI
No. of days
202529AQI
Highest AQI recorded in
September72AQI
Lowest AQI recorded in
May18AQI
Most & Least Polluted Years Over the Last 1 Years
East 2nd Avenue's annual 2025 AQI (29) shows an average percentage change of NaN% (improved AQI) compared to previous years: .