South 12th Avenue, Walla Walla, 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
South 12th Avenue, Walla Walla, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
South 12th Avenue, Walla Walla, Washington, United States
5 AM17th Aug 2026
8 PM
4 AM18th Aug 2026
81AQI
42AQI
66AQI
57AQI
In the last 24 hours,
South 12th Avenue's AQI reached its highest point of 81 at 5 AM during the Day, while the lowest point, 42, was recorded at 1 PM during the Day between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
South 12th Avenue, Walla Walla, Washington, United States
25°C20/31°C
27°C18/37°C
31°C23/39°C
30°C24/37°C
29°C20/37°C
26°C20/34°C
24°C16/31°C
25°C16/33°C
25°C18/32°C
24°C16/31°C
25°C17/33°C
26°C17/36°C
26°C19/32°C
20°C13/27°C
20°C12/28°C
21°C12/31°C
25°C15/35°C
28°C19/37°C
29°C20/37°C
28°C20/36°C
26°C19/34°C
25°C18/33°C
25°C17/33°C
25°C18/31°C
23°C17/31°C
24°C17/32°C
23°C18/30°C
26°C19/33°C
27°C20/33°C
27°C20/35°C
82AQI
82AQI
84AQI
79AQI
2026 Days Vs Air Quality
South 12th Avenue, Walla Walla, Washington, United States
85%
191
12%
28
2%
5
0.8%
2
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 230 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
South 12th Avenue, Walla Walla, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
61AQI (US)
39AQI (US)
36AQI (US)
24AQI (US)
23AQI (US)
14AQI (US)
12AQI (US)
19AQI (US)
14AQI (US)
36AQI (US)
37AQI (US)
25AQI (US)
25AQI (US)
39AQI (US)
47AQI (US)
27AQI (US)
19AQI (US)
31AQI (US)
32AQI (US)
31AQI (US)
28AQI (US)
37AQI (US)
42AQI (US)
34AQI (US)
38AQI (US)
36AQI (US)
28AQI (US)
31AQI (US)
38AQI (US)
48AQI (US)
27AQI (US)
42AQI (US)
50AQI (US)
42AQI (US)
36AQI (US)
40AQI (US)
29AQI (US)
28AQI (US)
40AQI (US)
44AQI (US)
35AQI (US)
31AQI (US)
22AQI (US)
22AQI (US)
29AQI (US)
29AQI (US)
43AQI (US)
39AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
34AQI (US)
31AQI (US)
45AQI (US)
37AQI (US)
29AQI (US)
33AQI (US)
29AQI (US)
33AQI (US)
45AQI (US)
28AQI (US)
41AQI (US)
37AQI (US)
29AQI (US)
37AQI (US)
53AQI (US)
32AQI (US)
32AQI (US)
39AQI (US)
50AQI (US)
43AQI (US)
33AQI (US)
28AQI (US)
21AQI (US)
26AQI (US)
32AQI (US)
26AQI (US)
40AQI (US)
35AQI (US)
31AQI (US)
30AQI (US)
27AQI (US)
31AQI (US)
19AQI (US)
16AQI (US)
21AQI (US)
12AQI (US)
32AQI (US)
20AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
29AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
29AQI (US)
24AQI (US)
43AQI (US)
31AQI (US)
32AQI (US)
28AQI (US)
19AQI (US)
19AQI (US)
27AQI (US)
42AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
28AQI (US)
17AQI (US)
27AQI (US)
19AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
32AQI (US)
33AQI (US)
53AQI (US)
21AQI (US)
45AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
62AQI (US)
23AQI (US)
42AQI (US)
48AQI (US)
54AQI (US)
48AQI (US)
45AQI (US)
47AQI (US)
37AQI (US)
38AQI (US)
47AQI (US)
42AQI (US)
44AQI (US)
21AQI (US)
18AQI (US)
27AQI (US)
27AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
15AQI (US)
25AQI (US)
12AQI (US)
20AQI (US)
17AQI (US)
21AQI (US)
24AQI (US)
34AQI (US)
21AQI (US)
18AQI (US)
27AQI (US)
17AQI (US)
20AQI (US)
27AQI (US)
49AQI (US)
24AQI (US)
23AQI (US)
31AQI (US)
29AQI (US)
17AQI (US)
29AQI (US)
43AQI (US)
30AQI (US)
34AQI (US)
24AQI (US)
26AQI (US)
33AQI (US)
22AQI (US)
18AQI (US)
15AQI (US)
14AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
31AQI (US)
23AQI (US)
20AQI (US)
25AQI (US)
32AQI (US)
32AQI (US)
29AQI (US)
32AQI (US)
37AQI (US)
34AQI (US)
39AQI (US)
87AQI (US)
56AQI (US)
45AQI (US)
65AQI (US)
117AQI (US)
112AQI (US)
102AQI (US)
62AQI (US)
58AQI (US)
63AQI (US)
68AQI (US)
82AQI (US)
59AQI (US)
74AQI (US)
76AQI (US)
72AQI (US)
50AQI (US)
96AQI (US)
144AQI (US)
162AQI (US)
162AQI (US)
125AQI (US)
72AQI (US)
57AQI (US)
59AQI (US)
60AQI (US)
56AQI (US)
79AQI (US)
60AQI (US)
69AQI (US)
79AQI (US)
62AQI (US)
32AQI (US)
34AQI (US)
32AQI (US)
26AQI (US)
35AQI (US)
25AQI (US)
50AQI (US)
86AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
August86AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202530AQI (US)
Highest AQI (US) recorded in
September48AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
Most & Least Polluted Years Over the Last 2 Years
South 12th Avenue's annual 2026 AQI (US) (37) shows an average percentage change of 23.3% (worsened AQI (US)) compared to previous years: 2025 (30).