Mesa, 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
Mesa, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (23rd September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 45 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Mesa, Washington, United States
6 AM23rd Sep 2025
7 PM
5 AM24th Sep 2025
36AQI
27AQI
38AQI
29AQI
In the last 24 hours,
Mesa's AQI reached its highest point of 38 at 10 PM during the Night, while the lowest point, 27, was recorded at 6 AM during the Day between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Mesa, Washington, United States
29°C18/39°C
28°C19/40°C
26°C20/31°C
25°C17/33°C
27°C16/36°C
27°C16/36°C
27°C17/37°C
27°C16/37°C
28°C16/38°C
29°C18/41°C
29°C17/39°C
28°C16/37°C
23°C16/32°C
24°C15/33°C
23°C14/32°C
23°C14/32°C
23°C14/32°C
22°C17/30°C
21°C13/29°C
22°C13/32°C
17°C13/21°C
17°C11/26°C
21°C12/30°C
22°C11/32°C
22°C13/32°C
23°C13/33°C
23°C15/32°C
18°C11/22°C
16°C8/24°C
18°C8/28°C
--°C/°C
40AQI
33AQI
55AQI
39AQI
2025 Days Vs Air Quality
Mesa, Washington, United States
88%
161
10%
19
1%
2
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 267 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
Mesa, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
17AQI
16AQI
15AQI
16AQI
16AQI
16AQI
17AQI
17AQI
19AQI
19AQI
25AQI
24AQI
14AQI
14AQI
17AQI
15AQI
17AQI
18AQI
22AQI
29AQI
25AQI
18AQI
20AQI
19AQI
19AQI
13AQI
14AQI
18AQI
28AQI
28AQI
29AQI
29AQI
22AQI
15AQI
20AQI
21AQI
21AQI
16AQI
13AQI
14AQI
16AQI
18AQI
15AQI
18AQI
22AQI
16AQI
15AQI
15AQI
15AQI
18AQI
15AQI
12AQI
12AQI
15AQI
11AQI
12AQI
18AQI
21AQI
21AQI
22AQI
18AQI
15AQI
18AQI
19AQI
17AQI
22AQI
14AQI
14AQI
18AQI
21AQI
22AQI
27AQI
21AQI
23AQI
30AQI
31AQI
30AQI
38AQI
23AQI
21AQI
21AQI
23AQI
25AQI
18AQI
17AQI
21AQI
12AQI
12AQI
28AQI
46AQI
40AQI
19AQI
14AQI
12AQI
16AQI
20AQI
27AQI
24AQI
19AQI
18AQI
24AQI
23AQI
23AQI
23AQI
19AQI
15AQI
18AQI
21AQI
21AQI
19AQI
19AQI
29AQI
34AQI
32AQI
27AQI
29AQI
47AQI
30AQI
34AQI
34AQI
20AQI
17AQI
17AQI
23AQI
25AQI
28AQI
33AQI
40AQI
53AQI
43AQI
29AQI
44AQI
28AQI
16AQI
17AQI
25AQI
25AQI
28AQI
26AQI
36AQI
34AQI
22AQI
13AQI
16AQI
23AQI
23AQI
23AQI
22AQI
31AQI
47AQI
52AQI
53AQI
57AQI
58AQI
58AQI
55AQI
55AQI
57AQI
58AQI
62AQI
72AQI
79AQI
102AQI
112AQI
72AQI
48AQI
42AQI
45AQI
55AQI
52AQI
55AQI
41AQI
25AQI
32AQI
38AQI
42AQI
52AQI
56AQI
37AQI
33AQI
45AQI
17AQI
20AQI
17AQI
23AQI
25AQI
36AQI
55AQI
No. of days
202528AQI
Highest AQI recorded in
September55AQI
Lowest AQI recorded in
May17AQI
Most & Least Polluted Years Over the Last 1 Years
Mesa's annual 2025 AQI (28) shows an average percentage change of NaN% (improved AQI) compared to previous years: .