Josephine St, Cheney, 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
Josephine St, Cheney, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 17 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Josephine St, Cheney, Washington, United States
5 AM9th Aug 2025
8 PM
4 AM10th Aug 2025
19AQI
17AQI
20AQI
19AQI
In the last 24 hours,
Josephine St's AQI reached its highest point of 20 at 9 PM during the Night, while the lowest point, 17, was recorded at 2 PM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Josephine St, Cheney, Washington, United States
22°C12/30°C
24°C12/32°C
26°C16/35°C
24°C14/33°C
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
--°C/°C
28AQI
28AQI
27AQI
27AQI
2025 Days Vs Air Quality
Josephine St, Cheney, Washington, United States
100%
220
0.4%
1
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 222 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
Josephine St, Cheney, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
23AQI
20AQI
17AQI
19AQI
21AQI
21AQI
22AQI
23AQI
25AQI
21AQI
21AQI
26AQI
24AQI
29AQI
27AQI
28AQI
31AQI
30AQI
27AQI
25AQI
37AQI
36AQI
38AQI
36AQI
35AQI
29AQI
40AQI
32AQI
31AQI
24AQI
16AQI
19AQI
21AQI
21AQI
21AQI
28AQI
23AQI
25AQI
31AQI
26AQI
28AQI
34AQI
26AQI
30AQI
30AQI
19AQI
25AQI
23AQI
21AQI
21AQI
21AQI
20AQI
18AQI
17AQI
19AQI
18AQI
20AQI
20AQI
25AQI
35AQI
24AQI
23AQI
18AQI
19AQI
18AQI
18AQI
20AQI
17AQI
17AQI
17AQI
16AQI
15AQI
14AQI
14AQI
15AQI
15AQI
15AQI
14AQI
15AQI
15AQI
14AQI
14AQI
19AQI
19AQI
17AQI
16AQI
14AQI
16AQI
16AQI
16AQI
16AQI
16AQI
17AQI
17AQI
20AQI
19AQI
13AQI
12AQI
16AQI
17AQI
16AQI
18AQI
24AQI
24AQI
23AQI
16AQI
18AQI
16AQI
17AQI
12AQI
14AQI
22AQI
28AQI
24AQI
31AQI
32AQI
21AQI
14AQI
17AQI
17AQI
21AQI
19AQI
13AQI
13AQI
21AQI
18AQI
15AQI
20AQI
22AQI
16AQI
14AQI
14AQI
15AQI
17AQI
14AQI
13AQI
14AQI
14AQI
12AQI
12AQI
15AQI
17AQI
19AQI
23AQI
20AQI
14AQI
18AQI
18AQI
14AQI
20AQI
16AQI
13AQI
15AQI
17AQI
20AQI
20AQI
19AQI
22AQI
23AQI
25AQI
38AQI
48AQI
25AQI
19AQI
20AQI
22AQI
23AQI
18AQI
18AQI
20AQI
15AQI
15AQI
23AQI
40AQI
35AQI
21AQI
16AQI
12AQI
15AQI
18AQI
22AQI
22AQI
22AQI
18AQI
25AQI
20AQI
21AQI
22AQI
20AQI
16AQI
23AQI
25AQI
22AQI
19AQI
20AQI
30AQI
34AQI
26AQI
29AQI
33AQI
23AQI
36AQI
34AQI
33AQI
22AQI
17AQI
20AQI
17AQI
19AQI
24AQI
33AQI
43AQI
52AQI
47AQI
32AQI
31AQI
31AQI
18AQI
16AQI
17AQI
27AQI
23AQI
18AQI
19AQI
17AQI
22AQI
24AQI
32AQI
No. of days
202522AQI
Highest AQI recorded in
August32AQI
Lowest AQI recorded in
May17AQI
202420AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
March9AQI
202323AQI
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
February12AQI
202222AQI
Highest AQI recorded in
September53AQI
Lowest AQI recorded in
May9AQI
202122AQI
Highest AQI recorded in
August63AQI
Lowest AQI recorded in
May12AQI
202029AQI
Highest AQI recorded in
September67AQI
Lowest AQI recorded in
December17AQI
Most & Least Polluted Years Over the Last 6 Years
Josephine St's annual 2025 AQI (22) shows an average percentage change of -5.8% (improved AQI) compared to previous years: 2020 (29), 2021 (22), 2022 (22), 2023 (23), 2024 (20).