Rosalia, 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
Rosalia, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (13th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 41 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Aug - 14th Aug 2025
Rosalia, Washington, United States
5 AM13th Aug 2025
8 PM
4 AM14th Aug 2025
90AQI
26AQI
61AQI
59AQI
In the last 24 hours,
Rosalia's AQI reached its highest point of 90 at 4 PM during the Day, while the lowest point, 26, was recorded at 8 AM during the Day between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Rosalia, Washington, United States
19°C14/25°C
20°C9/29°C
23°C13/31°C
24°C14/33°C
20°C13/28°C
19°C10/26°C
18°C14/23°C
17°C13/23°C
21°C10/30°C
23°C14/32°C
22°C14/30°C
21°C11/29°C
21°C12/30°C
24°C13/33°C
26°C16/35°C
27°C17/36°C
28°C19/36°C
22°C16/30°C
23°C14/31°C
22°C13/31°C
19°C11/26°C
19°C10/28°C
19°C13/25°C
18°C14/22°C
18°C11/26°C
22°C13/30°C
25°C15/33°C
27°C17/35°C
27°C17/35°C
25°C17/34°C
--°C/°C
30AQI
30AQI
29AQI
29AQI
2025 Days Vs Air Quality
Rosalia, Washington, United States
99%
140
0.7%
1
Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 226 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
Rosalia, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
18AQI
16AQI
14AQI
17AQI
16AQI
16AQI
17AQI
16AQI
17AQI
18AQI
22AQI
20AQI
13AQI
12AQI
17AQI
17AQI
17AQI
17AQI
26AQI
26AQI
24AQI
15AQI
18AQI
17AQI
19AQI
12AQI
15AQI
23AQI
31AQI
26AQI
33AQI
35AQI
23AQI
16AQI
18AQI
18AQI
23AQI
21AQI
14AQI
14AQI
22AQI
19AQI
15AQI
21AQI
24AQI
17AQI
14AQI
15AQI
16AQI
17AQI
14AQI
13AQI
14AQI
14AQI
12AQI
12AQI
16AQI
18AQI
20AQI
24AQI
21AQI
14AQI
19AQI
19AQI
14AQI
20AQI
17AQI
13AQI
15AQI
17AQI
21AQI
21AQI
20AQI
23AQI
25AQI
26AQI
39AQI
48AQI
25AQI
20AQI
21AQI
22AQI
24AQI
19AQI
19AQI
21AQI
15AQI
16AQI
26AQI
43AQI
36AQI
22AQI
16AQI
12AQI
14AQI
19AQI
23AQI
23AQI
22AQI
19AQI
24AQI
21AQI
22AQI
22AQI
21AQI
16AQI
24AQI
25AQI
22AQI
19AQI
21AQI
33AQI
36AQI
28AQI
31AQI
35AQI
24AQI
39AQI
36AQI
35AQI
23AQI
17AQI
20AQI
17AQI
20AQI
25AQI
34AQI
43AQI
52AQI
47AQI
32AQI
31AQI
31AQI
18AQI
16AQI
18AQI
21AQI
26AQI
27AQI
41AQI
18AQI
20AQI
17AQI
23AQI
25AQI
31AQI
No. of days
202522AQI
Highest AQI recorded in
August31AQI
Lowest AQI recorded in
May17AQI
Most & Least Polluted Years Over the Last 1 Years
Rosalia's annual 2025 AQI (22) shows an average percentage change of NaN% (improved AQI) compared to previous years: .