East 2nd Avenue, Ellensburg, 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, Ellensburg, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
East 2nd Avenue, Ellensburg, Washington, United States
6 AM29th Sep 2025
7 PM
5 AM30th Sep 2025
112AQI
76AQI
97AQI
34AQI
In the last 24 hours,
East 2nd Avenue's AQI reached its highest point of 112 at 2 PM during the Day, while the lowest point, 34, was recorded at 1 AM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
East 2nd Avenue, Ellensburg, Washington, United States
25°C15/35°C
25°C18/33°C
27°C17/37°C
28°C17/40°C
27°C17/38°C
25°C15/36°C
24°C14/33°C
20°C12/29°C
19°C10/29°C
18°C11/27°C
18°C9/30°C
18°C10/30°C
18°C9/30°C
19°C10/30°C
13°C6/20°C
15°C5/24°C
17°C10/27°C
19°C11/30°C
17°C8/29°C
19°C9/31°C
19°C10/31°C
15°C9/20°C
15°C8/24°C
16°C7/26°C
17°C6/27°C
17°C12/23°C
16°C10/25°C
17°C9/26°C
17°C8/27°C
16°C11/24°C
--°C/°C
64AQI
51AQI
60AQI
53AQI
2025 Days Vs Air Quality
East 2nd Avenue, Ellensburg, Washington, United States
88%
164
11%
21
1%
2
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 273 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, Ellensburg, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
17AQI
16AQI
16AQI
17AQI
16AQI
16AQI
16AQI
16AQI
19AQI
27AQI
36AQI
29AQI
14AQI
12AQI
20AQI
14AQI
16AQI
16AQI
23AQI
26AQI
20AQI
18AQI
20AQI
20AQI
17AQI
13AQI
15AQI
17AQI
30AQI
31AQI
30AQI
33AQI
21AQI
16AQI
16AQI
20AQI
24AQI
17AQI
13AQI
14AQI
18AQI
19AQI
14AQI
18AQI
25AQI
18AQI
14AQI
14AQI
18AQI
15AQI
12AQI
13AQI
15AQI
15AQI
10AQI
12AQI
16AQI
14AQI
19AQI
21AQI
17AQI
14AQI
15AQI
20AQI
14AQI
23AQI
15AQI
14AQI
15AQI
18AQI
20AQI
22AQI
21AQI
24AQI
30AQI
34AQI
36AQI
33AQI
25AQI
27AQI
19AQI
25AQI
29AQI
17AQI
15AQI
17AQI
13AQI
14AQI
32AQI
49AQI
37AQI
16AQI
14AQI
12AQI
16AQI
18AQI
23AQI
18AQI
16AQI
17AQI
23AQI
19AQI
18AQI
25AQI
16AQI
14AQI
18AQI
18AQI
17AQI
16AQI
22AQI
24AQI
32AQI
31AQI
21AQI
22AQI
25AQI
31AQI
32AQI
30AQI
19AQI
17AQI
16AQI
21AQI
21AQI
28AQI
30AQI
35AQI
41AQI
37AQI
34AQI
46AQI
26AQI
16AQI
16AQI
17AQI
23AQI
21AQI
22AQI
33AQI
24AQI
23AQI
12AQI
14AQI
18AQI
19AQI
19AQI
20AQI
25AQI
33AQI
45AQI
49AQI
55AQI
55AQI
55AQI
54AQI
51AQI
52AQI
59AQI
62AQI
69AQI
74AQI
121AQI
130AQI
84AQI
54AQI
44AQI
51AQI
60AQI
54AQI
55AQI
43AQI
23AQI
28AQI
35AQI
35AQI
46AQI
50AQI
42AQI
30AQI
54AQI
48AQI
62AQI
55AQI
51AQI
57AQI
17AQI
21AQI
16AQI
23AQI
22AQI
32AQI
56AQI
No. of days
202528AQI
Highest AQI recorded in
September56AQI
Lowest AQI recorded in
May16AQI
Most & Least Polluted Years Over the Last 1 Years
East 2nd Avenue's annual 2025 AQI (28) shows an average percentage change of NaN% (improved AQI) compared to previous years: .