Edison, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Edison, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 34 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Edison, California, United States
6 AM29th Sep 2025
7 PM
5 AM30th Sep 2025
45AQI
22AQI
55AQI
26AQI
In the last 24 hours,
Edison's AQI reached its highest point of 55 at 10 PM during the Night, while the lowest point, 22, was recorded at 8 AM during the Day between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Edison, California, United States
31°C20/42°C
31°C22/42°C
33°C24/45°C
29°C20/41°C
30°C19/41°C
28°C18/39°C
28°C18/39°C
26°C18/37°C
26°C19/36°C
23°C17/32°C
21°C14/30°C
20°C13/29°C
21°C14/30°C
23°C15/34°C
23°C14/34°C
26°C16/38°C
28°C18/40°C
28°C18/39°C
23°C16/31°C
22°C17/28°C
24°C16/34°C
27°C19/35°C
28°C20/37°C
30°C20/40°C
28°C23/33°C
25°C19/33°C
27°C21/34°C
27°C20/37°C
25°C19/32°C
23°C17/31°C
--°C/°C
44AQI
38AQI
42AQI
40AQI
2025 Days Vs Air Quality
Edison, California, United States
76%
143
24%
45
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 273 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Edison, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
27AQI
27AQI
25AQI
26AQI
18AQI
19AQI
19AQI
24AQI
28AQI
21AQI
24AQI
28AQI
38AQI
43AQI
47AQI
44AQI
52AQI
53AQI
48AQI
44AQI
36AQI
28AQI
29AQI
32AQI
34AQI
46AQI
49AQI
42AQI
38AQI
31AQI
17AQI
16AQI
22AQI
33AQI
46AQI
42AQI
35AQI
37AQI
32AQI
39AQI
39AQI
35AQI
43AQI
47AQI
44AQI
44AQI
40AQI
23AQI
30AQI
42AQI
46AQI
43AQI
35AQI
46AQI
45AQI
46AQI
53AQI
51AQI
43AQI
40AQI
36AQI
37AQI
42AQI
43AQI
48AQI
50AQI
46AQI
37AQI
36AQI
37AQI
42AQI
37AQI
39AQI
44AQI
47AQI
53AQI
50AQI
53AQI
52AQI
52AQI
52AQI
56AQI
55AQI
55AQI
54AQI
53AQI
52AQI
51AQI
50AQI
46AQI
43AQI
46AQI
50AQI
46AQI
46AQI
36AQI
34AQI
43AQI
44AQI
47AQI
64AQI
54AQI
48AQI
41AQI
40AQI
46AQI
52AQI
54AQI
47AQI
41AQI
41AQI
38AQI
29AQI
31AQI
38AQI
42AQI
37AQI
28AQI
27AQI
24AQI
21AQI
23AQI
27AQI
26AQI
32AQI
39AQI
42AQI
45AQI
45AQI
54AQI
57AQI
62AQI
62AQI
58AQI
63AQI
57AQI
51AQI
54AQI
54AQI
55AQI
55AQI
52AQI
41AQI
36AQI
42AQI
46AQI
44AQI
52AQI
56AQI
57AQI
56AQI
49AQI
51AQI
49AQI
49AQI
47AQI
49AQI
52AQI
49AQI
48AQI
46AQI
52AQI
53AQI
47AQI
40AQI
34AQI
26AQI
25AQI
28AQI
34AQI
44AQI
52AQI
54AQI
53AQI
35AQI
38AQI
40AQI
37AQI
36AQI
37AQI
40AQI
37AQI
53AQI
45AQI
40AQI
27AQI
34AQI
25AQI
34AQI
41AQI
47AQI
39AQI
52AQI
41AQI
No. of days
202542AQI
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
March25AQI
Most & Least Polluted Years Over the Last 1 Years
Edison's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .