Ritzville, 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
Ritzville, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Day & Night AQI Trend: 13th Aug - 14th Aug 2026
Ritzville, Washington, United States
5 AM13th Aug 2026
8 PM
4 AM14th Aug 2026
66AQI
46AQI
64AQI
42AQI
In the last 24 hours,
Ritzville's AQI reached its highest point of 66 at 8 AM during the Day, while the lowest point, 42, was recorded at 10 PM during the Night between 13th Aug and 14th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ritzville, Washington, United States
30°C23/38°C
25°C17/32°C
23°C15/30°C
23°C14/31°C
25°C16/34°C
27°C18/36°C
29°C17/38°C
29°C21/36°C
27°C19/35°C
25°C16/32°C
22°C14/30°C
23°C13/30°C
23°C14/30°C
22°C13/29°C
22°C12/30°C
24°C13/34°C
23°C15/30°C
18°C11/25°C
19°C10/27°C
21°C10/29°C
22°C11/33°C
24°C12/34°C
25°C14/34°C
24°C15/33°C
23°C13/31°C
22°C13/31°C
22°C13/30°C
22°C13/30°C
22°C15/28°C
22°C15/29°C
64AQI
60AQI
65AQI
61AQI
2026 Days Vs Air Quality
Ritzville, Washington, United States
85%
190
15%
33
Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 226 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
Ritzville, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
46AQI (US)
38AQI (US)
29AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
20AQI (US)
18AQI (US)
21AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
19AQI (US)
27AQI (US)
37AQI (US)
35AQI (US)
37AQI (US)
46AQI (US)
34AQI (US)
28AQI (US)
33AQI (US)
47AQI (US)
52AQI (US)
48AQI (US)
45AQI (US)
46AQI (US)
44AQI (US)
45AQI (US)
50AQI (US)
45AQI (US)
43AQI (US)
47AQI (US)
48AQI (US)
47AQI (US)
45AQI (US)
45AQI (US)
38AQI (US)
38AQI (US)
43AQI (US)
44AQI (US)
47AQI (US)
43AQI (US)
43AQI (US)
50AQI (US)
47AQI (US)
38AQI (US)
43AQI (US)
44AQI (US)
40AQI (US)
40AQI (US)
41AQI (US)
34AQI (US)
34AQI (US)
38AQI (US)
40AQI (US)
39AQI (US)
33AQI (US)
33AQI (US)
35AQI (US)
37AQI (US)
50AQI (US)
45AQI (US)
44AQI (US)
42AQI (US)
36AQI (US)
40AQI (US)
38AQI (US)
39AQI (US)
34AQI (US)
39AQI (US)
40AQI (US)
37AQI (US)
35AQI (US)
33AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
37AQI (US)
36AQI (US)
34AQI (US)
37AQI (US)
36AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
31AQI (US)
32AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
30AQI (US)
31AQI (US)
27AQI (US)
32AQI (US)
32AQI (US)
32AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
33AQI (US)
27AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
47AQI (US)
52AQI (US)
58AQI (US)
57AQI (US)
56AQI (US)
49AQI (US)
41AQI (US)
49AQI (US)
47AQI (US)
46AQI (US)
44AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
31AQI (US)
28AQI (US)
29AQI (US)
56AQI (US)
52AQI (US)
52AQI (US)
68AQI (US)
70AQI (US)
73AQI (US)
67AQI (US)
55AQI (US)
50AQI (US)
55AQI (US)
57AQI (US)
61AQI (US)
59AQI (US)
61AQI (US)
70AQI (US)
68AQI (US)
62AQI (US)
69AQI (US)
71AQI (US)
73AQI (US)
72AQI (US)
73AQI (US)
68AQI (US)
69AQI (US)
65AQI (US)
70AQI (US)
66AQI (US)
59AQI (US)
59AQI (US)
34AQI (US)
41AQI (US)
35AQI (US)
29AQI (US)
36AQI (US)
27AQI (US)
44AQI (US)
67AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
August67AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
September57AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Ritzville's annual 2026 AQI (US) (37) shows an average percentage change of 19.3% (worsened AQI (US)) compared to previous years: 2025 (31).