Oakley, California, 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
Oakley, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Oakley, California, United States
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
31AQI
24AQI
37AQI
29AQI
In the last 24 hours,
Oakley's AQI reached its highest point of 37 at 4 AM during the Night, while the lowest point, 24, was recorded at 9 AM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Oakley, California, United States
22°C15/33°C
21°C13/33°C
23°C13/37°C
19°C13/29°C
19°C14/27°C
20°C14/31°C
21°C14/30°C
20°C13/30°C
19°C13/29°C
17°C14/23°C
18°C14/24°C
19°C14/28°C
20°C14/28°C
19°C14/27°C
19°C14/27°C
19°C14/28°C
22°C14/33°C
22°C14/34°C
20°C14/30°C
22°C15/34°C
21°C14/32°C
21°C14/32°C
21°C13/31°C
21°C13/32°C
20°C12/31°C
25°C14/38°C
25°C16/36°C
26°C15/40°C
26°C18/38°C
25°C16/39°C
--°C/°C
24AQI
24AQI
25AQI
25AQI
2025 Days Vs Air Quality
Oakley, California, United States
96%
132
4%
6
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 223 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
Oakley, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
23AQI
29AQI
22AQI
22AQI
25AQI
27AQI
21AQI
26AQI
26AQI
30AQI
25AQI
18AQI
19AQI
24AQI
26AQI
23AQI
38AQI
45AQI
37AQI
35AQI
38AQI
28AQI
36AQI
35AQI
36AQI
41AQI
40AQI
51AQI
42AQI
32AQI
30AQI
34AQI
37AQI
41AQI
46AQI
42AQI
32AQI
27AQI
44AQI
35AQI
47AQI
49AQI
33AQI
41AQI
36AQI
29AQI
24AQI
25AQI
40AQI
40AQI
42AQI
41AQI
32AQI
30AQI
28AQI
43AQI
40AQI
37AQI
37AQI
26AQI
19AQI
35AQI
30AQI
25AQI
36AQI
51AQI
53AQI
49AQI
39AQI
52AQI
38AQI
26AQI
28AQI
21AQI
21AQI
26AQI
48AQI
51AQI
50AQI
50AQI
51AQI
46AQI
40AQI
38AQI
47AQI
50AQI
40AQI
40AQI
45AQI
30AQI
27AQI
31AQI
37AQI
36AQI
31AQI
26AQI
25AQI
27AQI
40AQI
36AQI
39AQI
34AQI
27AQI
22AQI
20AQI
26AQI
36AQI
37AQI
28AQI
21AQI
20AQI
23AQI
19AQI
20AQI
21AQI
21AQI
25AQI
18AQI
17AQI
17AQI
15AQI
15AQI
16AQI
20AQI
27AQI
27AQI
25AQI
24AQI
23AQI
37AQI
39AQI
42AQI
36AQI
29AQI
37AQI
37AQI
30AQI
24AQI
33AQI
35AQI
39AQI
25AQI
33AQI
No. of days
202533AQI
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
March24AQI
Most & Least Polluted Years Over the Last 1 Years
Oakley's annual 2025 AQI (33) shows an average percentage change of NaN% (improved AQI) compared to previous years: .