Pleasanton, 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
Pleasanton, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (8th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Pleasanton, California, United States
6 AM8th Aug 2025
8 PM
5 AM9th Aug 2025
48AQI
34AQI
45AQI
41AQI
In the last 24 hours,
Pleasanton's AQI reached its highest point of 48 at 1 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Pleasanton, California, United States
24°C13/38°C
24°C16/37°C
22°C15/33°C
20°C13/32°C
21°C12/35°C
18°C12/29°C
18°C12/28°C
18°C11/30°C
18°C11/28°C
17°C11/28°C
18°C12/27°C
15°C10/21°C
16°C11/22°C
16°C11/26°C
16°C11/25°C
16°C11/25°C
17°C12/25°C
16°C12/25°C
19°C12/31°C
20°C12/32°C
17°C11/27°C
20°C12/32°C
19°C12/30°C
19°C13/30°C
18°C11/29°C
18°C11/29°C
17°C9/29°C
22°C11/36°C
21°C12/34°C
24°C12/38°C
--°C/°C
32AQI
27AQI
29AQI
29AQI
2025 Days Vs Air Quality
Pleasanton, California, United States
96%
131
4%
5
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 221 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
Pleasanton, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
20AQI
24AQI
19AQI
18AQI
18AQI
22AQI
19AQI
25AQI
23AQI
22AQI
24AQI
16AQI
20AQI
22AQI
23AQI
19AQI
33AQI
34AQI
30AQI
31AQI
33AQI
25AQI
30AQI
36AQI
31AQI
32AQI
41AQI
47AQI
35AQI
22AQI
15AQI
20AQI
33AQI
33AQI
43AQI
42AQI
32AQI
23AQI
37AQI
28AQI
39AQI
48AQI
35AQI
25AQI
30AQI
25AQI
19AQI
18AQI
24AQI
30AQI
43AQI
27AQI
26AQI
37AQI
27AQI
37AQI
34AQI
24AQI
30AQI
22AQI
18AQI
22AQI
30AQI
22AQI
33AQI
39AQI
35AQI
41AQI
39AQI
55AQI
45AQI
37AQI
38AQI
28AQI
24AQI
32AQI
49AQI
53AQI
52AQI
45AQI
46AQI
44AQI
38AQI
37AQI
53AQI
46AQI
36AQI
34AQI
35AQI
26AQI
28AQI
31AQI
38AQI
45AQI
37AQI
32AQI
36AQI
33AQI
49AQI
35AQI
44AQI
35AQI
32AQI
27AQI
25AQI
31AQI
50AQI
52AQI
43AQI
31AQI
30AQI
29AQI
25AQI
25AQI
29AQI
27AQI
28AQI
18AQI
18AQI
18AQI
19AQI
18AQI
17AQI
23AQI
30AQI
28AQI
31AQI
29AQI
26AQI
28AQI
38AQI
31AQI
34AQI
33AQI
35AQI
21AQI
28AQI
30AQI
39AQI
30AQI
32AQI
No. of days
202531AQI
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
March21AQI
Most & Least Polluted Years Over the Last 1 Years
Pleasanton's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .