Toppenish, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Toppenish, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Toppenish, Washington, United States
5 AM6th Aug 2025
8 PM
4 AM7th Aug 2025
37AQI
17AQI
21AQI
15AQI
In the last 24 hours,
Toppenish's AQI reached its highest point of 37 at 6 AM during the Day, while the lowest point, 15, was recorded at 4 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Toppenish, Washington, United States
--°C/°C
25°C16/35°C
23°C14/33°C
25°C14/34°C
27°C16/37°C
29°C18/40°C
27°C19/38°C
24°C16/33°C
24°C12/34°C
26°C16/36°C
25°C16/36°C
22°C13/31°C
20°C11/27°C
22°C14/30°C
23°C14/31°C
25°C14/35°C
26°C16/36°C
24°C13/35°C
21°C11/32°C
23°C12/33°C
24°C12/35°C
27°C15/38°C
27°C18/37°C
26°C18/36°C
26°C18/33°C
25°C16/35°C
22°C12/31°C
21°C12/31°C
22°C13/32°C
20°C16/27°C
20°C12/28°C
35AQI
27AQI
30AQI
27AQI
2025 Days Vs Air Quality
Toppenish, Washington, United States
94%
204
6%
14
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 220 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Toppenish, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
32AQI
26AQI
29AQI
32AQI
23AQI
27AQI
27AQI
23AQI
26AQI
26AQI
33AQI
37AQI
55AQI
57AQI
54AQI
43AQI
38AQI
40AQI
31AQI
49AQI
61AQI
65AQI
51AQI
24AQI
33AQI
46AQI
53AQI
61AQI
71AQI
70AQI
24AQI
25AQI
26AQI
32AQI
29AQI
32AQI
27AQI
39AQI
41AQI
27AQI
24AQI
37AQI
29AQI
23AQI
39AQI
51AQI
55AQI
48AQI
36AQI
37AQI
42AQI
57AQI
31AQI
21AQI
16AQI
24AQI
31AQI
36AQI
36AQI
40AQI
21AQI
22AQI
19AQI
19AQI
23AQI
29AQI
22AQI
18AQI
19AQI
23AQI
18AQI
18AQI
18AQI
16AQI
20AQI
18AQI
25AQI
17AQI
15AQI
16AQI
16AQI
16AQI
22AQI
28AQI
22AQI
21AQI
17AQI
28AQI
17AQI
21AQI
18AQI
26AQI
25AQI
37AQI
35AQI
28AQI
17AQI
23AQI
26AQI
17AQI
17AQI
24AQI
31AQI
37AQI
32AQI
22AQI
33AQI
24AQI
22AQI
15AQI
16AQI
28AQI
34AQI
34AQI
31AQI
29AQI
21AQI
19AQI
22AQI
29AQI
28AQI
19AQI
14AQI
19AQI
19AQI
30AQI
21AQI
29AQI
29AQI
21AQI
20AQI
16AQI
16AQI
21AQI
14AQI
15AQI
13AQI
14AQI
12AQI
15AQI
22AQI
22AQI
24AQI
27AQI
22AQI
17AQI
22AQI
24AQI
22AQI
32AQI
17AQI
22AQI
19AQI
22AQI
26AQI
28AQI
25AQI
35AQI
37AQI
39AQI
36AQI
31AQI
23AQI
20AQI
23AQI
28AQI
33AQI
20AQI
21AQI
22AQI
18AQI
17AQI
32AQI
46AQI
43AQI
23AQI
20AQI
14AQI
16AQI
31AQI
34AQI
22AQI
24AQI
21AQI
34AQI
21AQI
24AQI
31AQI
22AQI
15AQI
19AQI
21AQI
21AQI
22AQI
29AQI
39AQI
46AQI
37AQI
22AQI
20AQI
32AQI
32AQI
33AQI
38AQI
21AQI
18AQI
19AQI
22AQI
28AQI
32AQI
40AQI
48AQI
54AQI
40AQI
33AQI
49AQI
32AQI
42AQI
34AQI
21AQI
25AQI
21AQI
26AQI
27AQI
43AQI
No. of days
202528AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
May21AQI
202429AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
May16AQI
202334AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
April21AQI
202236AQI
Highest AQI recorded in
September56AQI
Lowest AQI recorded in
June14AQI
202139AQI
Highest AQI recorded in
August87AQI
Lowest AQI recorded in
April25AQI
202040AQI
Highest AQI recorded in
September122AQI
Lowest AQI recorded in
May15AQI
Most & Least Polluted Years Over the Last 6 Years
Toppenish's annual 2025 AQI (28) shows an average percentage change of -19.6% (improved AQI) compared to previous years: 2020 (40), 2021 (39), 2022 (36), 2023 (34), 2024 (29).