Dayton, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Dayton, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (16th November ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 32 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Nov - 17th Nov 2025
Dayton, Washington, United States
7 AM16th Nov 2025
5 PM
6 AM17th Nov 2025
25AQI
17AQI
32AQI
21AQI
In the last 24 hours,
Dayton's AQI reached its highest point of 32 at 6 PM during the Night, while the lowest point, 17, was recorded at 7 AM during the Day between 16th Nov and 17th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Dayton, Washington, United States
9°C3/16°C
10°C8/11°C
9°C5/14°C
11°C6/18°C
11°C6/15°C
11°C6/17°C
13°C10/19°C
9°C6/14°C
7°C4/14°C
5°C3/10°C
7°C3/13°C
8°C5/12°C
7°C2/13°C
7°C2/13°C
11°C8/17°C
7°C5/11°C
7°C4/9°C
7°C5/10°C
11°C7/15°C
10°C7/15°C
8°C5/11°C
7°C4/13°C
8°C4/13°C
10°C6/14°C
9°C6/14°C
8°C5/13°C
11°C6/17°C
11°C9/14°C
12°C8/17°C
10°C9/15°C
--°C/°C
36AQI
33AQI
40AQI
35AQI
2025 Days Vs Air Quality
Dayton, Washington, United States
89%
211
10%
24
0.4%
1
Total number of days with different AQI categories in last 321 days in 2025 (44 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 321 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
Dayton, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
17AQI
17AQI
14AQI
15AQI
16AQI
16AQI
19AQI
16AQI
17AQI
18AQI
17AQI
18AQI
13AQI
12AQI
15AQI
15AQI
16AQI
19AQI
19AQI
22AQI
21AQI
16AQI
17AQI
18AQI
18AQI
13AQI
13AQI
15AQI
23AQI
21AQI
24AQI
26AQI
17AQI
14AQI
16AQI
16AQI
19AQI
15AQI
13AQI
13AQI
15AQI
15AQI
15AQI
16AQI
17AQI
16AQI
14AQI
13AQI
15AQI
16AQI
12AQI
13AQI
12AQI
13AQI
12AQI
12AQI
16AQI
16AQI
16AQI
18AQI
17AQI
14AQI
15AQI
15AQI
14AQI
17AQI
14AQI
13AQI
15AQI
17AQI
18AQI
18AQI
19AQI
21AQI
22AQI
24AQI
24AQI
32AQI
22AQI
18AQI
19AQI
20AQI
21AQI
16AQI
16AQI
16AQI
13AQI
13AQI
19AQI
31AQI
32AQI
18AQI
14AQI
14AQI
14AQI
17AQI
21AQI
23AQI
18AQI
17AQI
22AQI
18AQI
19AQI
20AQI
18AQI
15AQI
17AQI
19AQI
19AQI
20AQI
19AQI
25AQI
35AQI
27AQI
31AQI
34AQI
27AQI
27AQI
27AQI
27AQI
20AQI
16AQI
16AQI
17AQI
19AQI
21AQI
28AQI
41AQI
49AQI
35AQI
23AQI
30AQI
26AQI
17AQI
17AQI
17AQI
21AQI
29AQI
25AQI
33AQI
26AQI
25AQI
14AQI
16AQI
19AQI
21AQI
22AQI
22AQI
27AQI
51AQI
59AQI
52AQI
53AQI
57AQI
59AQI
54AQI
54AQI
60AQI
57AQI
59AQI
61AQI
63AQI
97AQI
119AQI
70AQI
52AQI
45AQI
54AQI
54AQI
51AQI
53AQI
39AQI
23AQI
28AQI
30AQI
29AQI
35AQI
48AQI
31AQI
27AQI
44AQI
38AQI
29AQI
40AQI
64AQI
53AQI
57AQI
29AQI
24AQI
20AQI
34AQI
40AQI
31AQI
31AQI
39AQI
35AQI
38AQI
43AQI
24AQI
26AQI
28AQI
26AQI
23AQI
40AQI
26AQI
37AQI
34AQI
23AQI
17AQI
31AQI
27AQI
35AQI
17AQI
21AQI
16AQI
22AQI
27AQI
26AQI
47AQI
41AQI
17AQI
18AQI
31AQI
35AQI
13AQI
17AQI
32AQI
46AQI
47AQI
27AQI
52AQI
45AQI
33AQI
16AQI
32AQI
16AQI
17AQI
15AQI
19AQI
22AQI
34AQI
49AQI
29AQI
31AQI
No. of days
202527AQI
Highest AQI recorded in
September49AQI
Lowest AQI recorded in
May15AQI
Most & Least Polluted Years Over the Last 1 Years
Dayton's annual 2025 AQI (27) shows an average percentage change of NaN% (improved AQI) compared to previous years: .