Shandon, 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
Shandon, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (NaNth undefined ):
On this day, AQI across the 0 years varied significantly: 2025 ranks 1st highest AQI at 0 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Shandon, California, United States
6 AM30th Sep 2025
7 PM
5 AM1st Oct 2025
48AQI
23AQI
31AQI
11AQI
In the last 24 hours,
Shandon's AQI reached its highest point of 48 at 6 AM during the Day, while the lowest point, 11, was recorded at 5 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Shandon, California, United States
--°C/°C
26°C17/37°C
26°C18/38°C
25°C17/37°C
24°C16/35°C
21°C14/32°C
22°C13/34°C
20°C13/31°C
19°C12/28°C
18°C13/26°C
19°C15/26°C
21°C13/29°C
22°C14/32°C
23°C14/34°C
24°C15/35°C
26°C18/37°C
26°C19/38°C
21°C18/28°C
22°C17/29°C
22°C15/31°C
23°C15/32°C
23°C15/33°C
25°C17/36°C
21°C17/27°C
21°C17/29°C
21°C15/30°C
18°C15/23°C
17°C14/22°C
17°C14/22°C
18°C12/24°C
19°C11/28°C
31AQI
23AQI
31AQI
24AQI
2025 Days Vs Air Quality
Shandon, California, United States
95%
179
5%
10
Total number of days with different AQI categories in last 275 days in 2025 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 275 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
Shandon, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
35AQI
34AQI
31AQI
34AQI
25AQI
21AQI
19AQI
18AQI
23AQI
17AQI
18AQI
22AQI
27AQI
32AQI
32AQI
36AQI
31AQI
31AQI
31AQI
37AQI
40AQI
34AQI
28AQI
23AQI
23AQI
29AQI
32AQI
36AQI
37AQI
35AQI
31AQI
17AQI
21AQI
25AQI
32AQI
28AQI
34AQI
38AQI
21AQI
22AQI
29AQI
25AQI
28AQI
28AQI
25AQI
28AQI
29AQI
28AQI
20AQI
22AQI
31AQI
39AQI
32AQI
33AQI
32AQI
35AQI
38AQI
37AQI
36AQI
38AQI
38AQI
43AQI
51AQI
43AQI
41AQI
36AQI
39AQI
31AQI
30AQI
35AQI
36AQI
35AQI
39AQI
38AQI
37AQI
40AQI
43AQI
40AQI
40AQI
37AQI
31AQI
33AQI
36AQI
38AQI
48AQI
43AQI
43AQI
42AQI
40AQI
48AQI
46AQI
44AQI
44AQI
39AQI
37AQI
30AQI
41AQI
36AQI
38AQI
45AQI
44AQI
31AQI
27AQI
34AQI
30AQI
36AQI
49AQI
52AQI
53AQI
54AQI
49AQI
37AQI
31AQI
36AQI
35AQI
34AQI
32AQI
29AQI
24AQI
21AQI
21AQI
21AQI
24AQI
26AQI
31AQI
34AQI
27AQI
26AQI
40AQI
54AQI
52AQI
53AQI
49AQI
50AQI
52AQI
52AQI
51AQI
47AQI
42AQI
45AQI
38AQI
38AQI
34AQI
24AQI
22AQI
25AQI
31AQI
29AQI
36AQI
40AQI
35AQI
36AQI
30AQI
27AQI
27AQI
27AQI
44AQI
43AQI
30AQI
31AQI
26AQI
40AQI
31AQI
31AQI
24AQI
19AQI
18AQI
19AQI
21AQI
25AQI
32AQI
33AQI
32AQI
30AQI
29AQI
30AQI
21AQI
21AQI
24AQI
23AQI
24AQI
26AQI
35AQI
36AQI
42AQI
26AQI
31AQI
43AQI
32AQI
28AQI
33AQI
39AQI
35AQI
39AQI
28AQI
No. of days
202534AQI
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
April28AQI
Most & Least Polluted Years Over the Last 1 Years
Shandon's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .