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 (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 162 of Unhealthy air quality on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Yakima, Washington, United States
5 AM4th Aug 2026
8 PM
4 AM5th Aug 2026
170AQI
154AQI
171AQI
165AQI
In the last 24 hours,
Yakima's AQI reached its highest point of 171 at 11 PM during the Night, while the lowest point, 154, was recorded at 7 AM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yakima, Washington, United States
27°C15/38°C
26°C18/35°C
27°C17/36°C
27°C18/35°C
25°C17/33°C
24°C17/32°C
26°C14/36°C
29°C19/38°C
30°C21/39°C
29°C22/38°C
26°C17/35°C
25°C16/34°C
26°C15/35°C
27°C20/36°C
29°C17/39°C
31°C19/41°C
30°C23/39°C
28°C17/39°C
26°C20/33°C
24°C13/33°C
25°C15/34°C
25°C16/34°C
24°C14/33°C
25°C16/35°C
27°C17/36°C
24°C17/32°C
20°C12/29°C
20°C12/29°C
22°C13/32°C
24°C12/35°C
56AQI
45AQI
52AQI
44AQI
2026 Days Vs Air Quality
Yakima, Washington, United States
91%
193
8%
18
0.4%
1
0.4%
1
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 217 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 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
88AQI (US)
60AQI (US)
44AQI (US)
37AQI (US)
26AQI (US)
43AQI (US)
22AQI (US)
42AQI (US)
52AQI (US)
69AQI (US)
64AQI (US)
71AQI (US)
64AQI (US)
44AQI (US)
38AQI (US)
29AQI (US)
32AQI (US)
28AQI (US)
24AQI (US)
20AQI (US)
29AQI (US)
42AQI (US)
40AQI (US)
37AQI (US)
44AQI (US)
40AQI (US)
37AQI (US)
42AQI (US)
46AQI (US)
49AQI (US)
28AQI (US)
43AQI (US)
43AQI (US)
38AQI (US)
33AQI (US)
41AQI (US)
29AQI (US)
23AQI (US)
31AQI (US)
30AQI (US)
32AQI (US)
31AQI (US)
29AQI (US)
36AQI (US)
36AQI (US)
33AQI (US)
40AQI (US)
31AQI (US)
34AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
35AQI (US)
39AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
29AQI (US)
32AQI (US)
48AQI (US)
33AQI (US)
38AQI (US)
29AQI (US)
24AQI (US)
36AQI (US)
32AQI (US)
33AQI (US)
31AQI (US)
36AQI (US)
34AQI (US)
41AQI (US)
34AQI (US)
29AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
30AQI (US)
39AQI (US)
38AQI (US)
32AQI (US)
31AQI (US)
35AQI (US)
26AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
18AQI (US)
24AQI (US)
17AQI (US)
24AQI (US)
27AQI (US)
20AQI (US)
29AQI (US)
26AQI (US)
23AQI (US)
18AQI (US)
22AQI (US)
21AQI (US)
25AQI (US)
30AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
31AQI (US)
28AQI (US)
20AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
21AQI (US)
21AQI (US)
23AQI (US)
29AQI (US)
16AQI (US)
21AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
31AQI (US)
30AQI (US)
19AQI (US)
18AQI (US)
24AQI (US)
27AQI (US)
17AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
45AQI (US)
52AQI (US)
58AQI (US)
52AQI (US)
48AQI (US)
50AQI (US)
35AQI (US)
43AQI (US)
40AQI (US)
43AQI (US)
42AQI (US)
27AQI (US)
23AQI (US)
18AQI (US)
17AQI (US)
20AQI (US)
25AQI (US)
20AQI (US)
13AQI (US)
18AQI (US)
22AQI (US)
17AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
19AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
31AQI (US)
20AQI (US)
17AQI (US)
19AQI (US)
20AQI (US)
17AQI (US)
14AQI (US)
13AQI (US)
18AQI (US)
18AQI (US)
21AQI (US)
20AQI (US)
24AQI (US)
25AQI (US)
17AQI (US)
23AQI (US)
23AQI (US)
14AQI (US)
23AQI (US)
17AQI (US)
19AQI (US)
18AQI (US)
27AQI (US)
19AQI (US)
14AQI (US)
18AQI (US)
18AQI (US)
23AQI (US)
16AQI (US)
18AQI (US)
25AQI (US)
16AQI (US)
38AQI (US)
38AQI (US)
42AQI (US)
57AQI (US)
73AQI (US)
75AQI (US)
57AQI (US)
54AQI (US)
65AQI (US)
46AQI (US)
46AQI (US)
44AQI (US)
41AQI (US)
46AQI (US)
51AQI (US)
47AQI (US)
53AQI (US)
101AQI (US)
162AQI (US)
43AQI (US)
33AQI (US)
30AQI (US)
23AQI (US)
31AQI (US)
21AQI (US)
35AQI (US)
91AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
August91AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
September61AQI (US)
Lowest AQI (US) recorded in
March21AQI (US)
202428AQI (US)
Highest AQI (US) recorded in
January41AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202333AQI (US)
Highest AQI (US) recorded in
January51AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202236AQI (US)
Highest AQI (US) recorded in
January57AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
August87AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202037AQI (US)
Highest AQI (US) recorded in
September152AQI (US)
Lowest AQI (US) recorded in
June12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yakima's annual 2026 AQI (US) (32) shows an average percentage change of -5.9% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (37), 2022 (36), 2023 (33), 2024 (28), 2025 (35).