Yakima, 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
Yakima, 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 2nd highest AQI at 34 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Yakima, Washington, United States
5 AM5th Aug 2025
8 PM
4 AM6th Aug 2025
55AQI
39AQI
40AQI
33AQI
In the last 24 hours,
Yakima's AQI reached its highest point of 55 at 6 AM during the Day, while the lowest point, 33, was recorded at 9 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yakima, Washington, United States
--°C/°C
28°C16/38°C
24°C15/34°C
22°C12/32°C
24°C14/34°C
27°C17/37°C
29°C20/40°C
26°C19/37°C
23°C14/33°C
23°C13/33°C
25°C15/35°C
25°C15/35°C
21°C13/31°C
20°C12/27°C
21°C15/28°C
22°C13/30°C
25°C15/34°C
25°C15/36°C
23°C14/34°C
21°C11/31°C
22°C14/32°C
24°C13/34°C
27°C14/37°C
27°C18/38°C
26°C18/34°C
25°C18/35°C
25°C17/34°C
22°C14/30°C
21°C13/31°C
21°C13/31°C
19°C15/27°C
28AQI
28AQI
30AQI
25AQI
2025 Days Vs Air Quality
Yakima, Washington, United States
95%
207
5%
11
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 219 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
Yakima, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
39AQI
24AQI
27AQI
33AQI
25AQI
25AQI
27AQI
21AQI
25AQI
24AQI
28AQI
40AQI
59AQI
53AQI
47AQI
31AQI
33AQI
32AQI
31AQI
46AQI
63AQI
58AQI
49AQI
21AQI
28AQI
46AQI
55AQI
64AQI
74AQI
70AQI
29AQI
25AQI
32AQI
27AQI
25AQI
28AQI
25AQI
42AQI
38AQI
25AQI
23AQI
32AQI
27AQI
31AQI
40AQI
39AQI
54AQI
34AQI
40AQI
38AQI
54AQI
55AQI
32AQI
26AQI
16AQI
25AQI
27AQI
36AQI
36AQI
34AQI
17AQI
19AQI
21AQI
17AQI
22AQI
33AQI
26AQI
17AQI
19AQI
19AQI
17AQI
20AQI
17AQI
14AQI
17AQI
15AQI
22AQI
17AQI
15AQI
17AQI
22AQI
16AQI
20AQI
31AQI
20AQI
16AQI
20AQI
22AQI
19AQI
20AQI
16AQI
18AQI
20AQI
25AQI
42AQI
30AQI
16AQI
17AQI
25AQI
15AQI
16AQI
17AQI
30AQI
33AQI
28AQI
17AQI
26AQI
30AQI
17AQI
13AQI
16AQI
19AQI
28AQI
35AQI
34AQI
37AQI
21AQI
17AQI
24AQI
32AQI
31AQI
21AQI
16AQI
17AQI
23AQI
34AQI
19AQI
31AQI
34AQI
25AQI
20AQI
22AQI
17AQI
22AQI
17AQI
16AQI
16AQI
21AQI
14AQI
15AQI
18AQI
22AQI
21AQI
28AQI
19AQI
18AQI
22AQI
24AQI
17AQI
31AQI
13AQI
17AQI
18AQI
20AQI
22AQI
24AQI
23AQI
24AQI
44AQI
30AQI
36AQI
34AQI
25AQI
21AQI
22AQI
27AQI
24AQI
20AQI
18AQI
20AQI
12AQI
13AQI
29AQI
49AQI
35AQI
16AQI
15AQI
12AQI
15AQI
20AQI
25AQI
22AQI
16AQI
17AQI
24AQI
18AQI
19AQI
25AQI
19AQI
14AQI
17AQI
20AQI
20AQI
22AQI
29AQI
37AQI
37AQI
34AQI
24AQI
23AQI
26AQI
30AQI
32AQI
32AQI
22AQI
18AQI
17AQI
21AQI
21AQI
26AQI
29AQI
40AQI
47AQI
43AQI
35AQI
48AQI
34AQI
40AQI
33AQI
21AQI
23AQI
22AQI
23AQI
24AQI
41AQI
No. of days
202527AQI
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
March21AQI
202428AQI
Highest AQI recorded in
January41AQI
Lowest AQI recorded in
May16AQI
202333AQI
Highest AQI recorded in
January51AQI
Lowest AQI recorded in
April20AQI
202236AQI
Highest AQI recorded in
January56AQI
Lowest AQI recorded in
May16AQI
202137AQI
Highest AQI recorded in
August87AQI
Lowest AQI recorded in
May15AQI
202037AQI
Highest AQI recorded in
September152AQI
Lowest AQI recorded in
June12AQI
Most & Least Polluted Years Over the Last 6 Years
Yakima's annual 2025 AQI (27) shows an average percentage change of -20.6% (improved AQI) compared to previous years: 2020 (37), 2021 (37), 2022 (36), 2023 (33), 2024 (28).