San Andreas, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
San Andreas, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (25th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 24th Oct - 25th Oct 2025
San Andreas, California, United States
7 AM24th Oct 2025
6 PM
6 AM25th Oct 2025
50AQI
28AQI
58AQI
31AQI
In the last 24 hours,
San Andreas's AQI reached its highest point of 58 at 11 PM during the Night, while the lowest point, 28, was recorded at 10 AM during the Day between 24th Oct and 25th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
San Andreas, California, United States
--°C/°C
24°C15/33°C
25°C19/35°C
21°C15/28°C
21°C16/29°C
21°C15/28°C
21°C16/28°C
18°C16/22°C
18°C14/23°C
19°C13/28°C
21°C14/29°C
24°C16/32°C
26°C19/35°C
22°C14/30°C
19°C13/28°C
19°C13/26°C
17°C11/24°C
17°C11/26°C
15°C11/22°C
12°C11/14°C
13°C10/17°C
15°C9/22°C
18°C11/26°C
20°C13/29°C
22°C14/31°C
21°C14/29°C
22°C15/31°C
18°C15/23°C
17°C11/25°C
18°C12/25°C
15°C12/20°C
34AQI
29AQI
39AQI
32AQI
2025 Days Vs Air Quality
San Andreas, California, United States
99%
211
1%
3
Total number of days with different AQI categories in last 299 days in 2025 (66 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 299 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
San Andreas, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
24AQI
22AQI
17AQI
24AQI
17AQI
19AQI
24AQI
23AQI
23AQI
23AQI
23AQI
22AQI
19AQI
19AQI
22AQI
30AQI
25AQI
29AQI
30AQI
35AQI
38AQI
33AQI
34AQI
28AQI
28AQI
29AQI
27AQI
37AQI
42AQI
24AQI
18AQI
14AQI
19AQI
30AQI
36AQI
39AQI
30AQI
18AQI
29AQI
24AQI
24AQI
43AQI
38AQI
32AQI
29AQI
22AQI
20AQI
19AQI
18AQI
20AQI
26AQI
27AQI
20AQI
24AQI
19AQI
22AQI
28AQI
24AQI
29AQI
26AQI
21AQI
25AQI
38AQI
28AQI
34AQI
36AQI
31AQI
40AQI
36AQI
41AQI
43AQI
24AQI
30AQI
27AQI
27AQI
30AQI
34AQI
42AQI
38AQI
28AQI
27AQI
28AQI
32AQI
36AQI
36AQI
41AQI
32AQI
26AQI
25AQI
21AQI
25AQI
30AQI
37AQI
42AQI
30AQI
28AQI
29AQI
32AQI
31AQI
30AQI
36AQI
28AQI
25AQI
25AQI
21AQI
32AQI
54AQI
56AQI
54AQI
50AQI
42AQI
29AQI
39AQI
26AQI
25AQI
23AQI
27AQI
18AQI
16AQI
17AQI
19AQI
18AQI
18AQI
21AQI
23AQI
26AQI
30AQI
32AQI
25AQI
28AQI
36AQI
29AQI
26AQI
31AQI
30AQI
35AQI
34AQI
36AQI
36AQI
34AQI
30AQI
32AQI
26AQI
19AQI
18AQI
21AQI
23AQI
32AQI
39AQI
45AQI
42AQI
36AQI
36AQI
41AQI
41AQI
31AQI
33AQI
34AQI
31AQI
46AQI
41AQI
29AQI
32AQI
38AQI
27AQI
20AQI
17AQI
17AQI
23AQI
29AQI
36AQI
31AQI
29AQI
31AQI
29AQI
29AQI
37AQI
36AQI
28AQI
29AQI
30AQI
33AQI
34AQI
35AQI
42AQI
34AQI
22AQI
19AQI
20AQI
23AQI
31AQI
36AQI
34AQI
45AQI
28AQI
42AQI
35AQI
32AQI
25AQI
30AQI
33AQI
27AQI
25AQI
39AQI
39AQI
46AQI
40AQI
39AQI
37AQI
43AQI
42AQI
35AQI
47AQI
23AQI
27AQI
27AQI
32AQI
30AQI
32AQI
30AQI
35AQI
No. of days
202530AQI
Highest AQI recorded in
October35AQI
Lowest AQI recorded in
March23AQI
Most & Least Polluted Years Over the Last 1 Years
San Andreas's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .