Leavenworth, 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
Leavenworth, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 23 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Leavenworth, Washington, United States
5 AM5th Aug 2025
8 PM
4 AM6th Aug 2025
42AQI
34AQI
37AQI
34AQI
In the last 24 hours,
Leavenworth's AQI reached its highest point of 42 at 9 AM during the Day, while the lowest point, 34, was recorded at 10 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Leavenworth, Washington, United States
23°C15/30°C
22°C14/32°C
17°C11/24°C
16°C10/23°C
20°C11/29°C
22°C15/29°C
24°C17/33°C
19°C14/28°C
19°C12/27°C
21°C12/28°C
23°C17/29°C
20°C11/27°C
15°C8/23°C
16°C8/24°C
17°C12/24°C
18°C10/26°C
21°C13/29°C
21°C14/29°C
16°C9/24°C
16°C8/26°C
18°C9/27°C
20°C11/29°C
23°C15/32°C
26°C17/34°C
23°C19/31°C
22°C17/27°C
19°C12/29°C
18°C12/28°C
15°C10/22°C
17°C9/26°C
--°C/°C
35AQI
35AQI
35AQI
35AQI
2025 Days Vs Air Quality
Leavenworth, Washington, United States
99%
131
0.7%
1
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 218 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
Leavenworth, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
16AQI
16AQI
15AQI
18AQI
18AQI
21AQI
16AQI
23AQI
17AQI
25AQI
28AQI
19AQI
13AQI
14AQI
16AQI
14AQI
15AQI
19AQI
24AQI
23AQI
20AQI
19AQI
20AQI
21AQI
15AQI
13AQI
13AQI
18AQI
30AQI
30AQI
30AQI
27AQI
18AQI
13AQI
16AQI
17AQI
19AQI
15AQI
13AQI
14AQI
16AQI
17AQI
13AQI
16AQI
21AQI
14AQI
13AQI
13AQI
14AQI
15AQI
12AQI
12AQI
12AQI
16AQI
10AQI
12AQI
15AQI
15AQI
17AQI
21AQI
15AQI
14AQI
20AQI
17AQI
13AQI
19AQI
11AQI
13AQI
15AQI
15AQI
18AQI
17AQI
17AQI
22AQI
24AQI
25AQI
25AQI
27AQI
19AQI
16AQI
18AQI
21AQI
21AQI
15AQI
16AQI
15AQI
11AQI
14AQI
36AQI
52AQI
43AQI
16AQI
13AQI
12AQI
15AQI
18AQI
23AQI
17AQI
16AQI
16AQI
18AQI
18AQI
19AQI
22AQI
17AQI
15AQI
17AQI
18AQI
18AQI
16AQI
18AQI
23AQI
28AQI
28AQI
23AQI
21AQI
24AQI
23AQI
27AQI
30AQI
18AQI
19AQI
20AQI
19AQI
18AQI
19AQI
19AQI
25AQI
23AQI
22AQI
23AQI
17AQI
20AQI
15AQI
20AQI
20AQI
23AQI
No. of days
202519AQI
Highest AQI recorded in
August23AQI
Lowest AQI recorded in
May15AQI
Most & Least Polluted Years Over the Last 1 Years
Leavenworth's annual 2025 AQI (19) shows an average percentage change of NaN% (improved AQI) compared to previous years: .