South Gate, 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
South Gate, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th 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: 18th Oct - 19th Oct 2025
South Gate, California, United States
6 AM18th Oct 2025
6 PM
5 AM19th Oct 2025
AQI
AQI
65AQI
16AQI
In the last 24 hours,
South Gate's AQI reached its highest point of 65 at 1 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
South Gate, California, United States
24°C22/31°C
24°C19/31°C
24°C19/33°C
24°C18/35°C
24°C19/35°C
24°C20/33°C
21°C19/31°C
21°C19/24°C
22°C19/29°C
22°C18/28°C
21°C17/29°C
22°C19/28°C
21°C17/29°C
22°C16/31°C
21°C17/25°C
20°C15/29°C
20°C15/31°C
19°C15/29°C
19°C16/25°C
19°C16/25°C
20°C14/30°C
22°C16/33°C
21°C15/30°C
20°C14/30°C
18°C15/23°C
16°C13/17°C
17°C12/24°C
19°C11/30°C
20°C13/32°C
--°C/°C
--°C/°C
46AQI
36AQI
48AQI
44AQI
2025 Days Vs Air Quality
South Gate, California, United States
74%
208
26%
73
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 291 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
South Gate, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
80AQI
70AQI
55AQI
44AQI
41AQI
44AQI
48AQI
49AQI
52AQI
65AQI
65AQI
46AQI
44AQI
56AQI
42AQI
57AQI
42AQI
34AQI
40AQI
46AQI
53AQI
54AQI
67AQI
65AQI
69AQI
55AQI
30AQI
33AQI
23AQI
27AQI
37AQI
40AQI
32AQI
36AQI
21AQI
24AQI
25AQI
40AQI
45AQI
46AQI
48AQI
56AQI
48AQI
46AQI
52AQI
52AQI
51AQI
49AQI
55AQI
45AQI
37AQI
35AQI
28AQI
31AQI
40AQI
31AQI
28AQI
38AQI
39AQI
37AQI
32AQI
26AQI
24AQI
21AQI
28AQI
41AQI
48AQI
31AQI
30AQI
29AQI
37AQI
43AQI
40AQI
48AQI
44AQI
44AQI
25AQI
28AQI
38AQI
35AQI
23AQI
21AQI
29AQI
34AQI
38AQI
40AQI
33AQI
37AQI
44AQI
53AQI
54AQI
52AQI
50AQI
55AQI
52AQI
50AQI
46AQI
32AQI
29AQI
37AQI
41AQI
47AQI
51AQI
46AQI
41AQI
43AQI
25AQI
20AQI
24AQI
40AQI
45AQI
36AQI
38AQI
36AQI
37AQI
41AQI
40AQI
45AQI
50AQI
50AQI
52AQI
56AQI
45AQI
27AQI
37AQI
49AQI
50AQI
42AQI
36AQI
48AQI
54AQI
55AQI
56AQI
54AQI
52AQI
46AQI
47AQI
45AQI
51AQI
40AQI
42AQI
48AQI
45AQI
38AQI
36AQI
35AQI
36AQI
35AQI
38AQI
39AQI
41AQI
42AQI
49AQI
46AQI
50AQI
52AQI
52AQI
56AQI
57AQI
56AQI
54AQI
53AQI
52AQI
52AQI
52AQI
49AQI
42AQI
45AQI
48AQI
47AQI
45AQI
34AQI
37AQI
38AQI
35AQI
40AQI
79AQI
57AQI
52AQI
38AQI
36AQI
42AQI
43AQI
45AQI
40AQI
33AQI
28AQI
24AQI
25AQI
29AQI
36AQI
38AQI
32AQI
23AQI
29AQI
24AQI
19AQI
22AQI
25AQI
28AQI
37AQI
45AQI
45AQI
43AQI
46AQI
51AQI
58AQI
62AQI
61AQI
54AQI
45AQI
51AQI
47AQI
49AQI
52AQI
54AQI
49AQI
44AQI
33AQI
37AQI
42AQI
47AQI
49AQI
55AQI
59AQI
54AQI
53AQI
51AQI
52AQI
50AQI
49AQI
45AQI
48AQI
49AQI
50AQI
49AQI
45AQI
43AQI
45AQI
43AQI
41AQI
29AQI
23AQI
23AQI
23AQI
31AQI
39AQI
50AQI
55AQI
56AQI
34AQI
42AQI
40AQI
42AQI
44AQI
42AQI
41AQI
41AQI
42AQI
29AQI
24AQI
33AQI
46AQI
52AQI
57AQI
32AQI
42AQI
46AQI
53AQI
59AQI
52AQI
51AQI
55AQI
52AQI
57AQI
59AQI
56AQI
40AQI
18AQI
36AQI
47AQI
51AQI
43AQI
34AQI
40AQI
45AQI
46AQI
36AQI
50AQI
40AQI
48AQI
No. of days
202543AQI
Highest AQI recorded in
January51AQI
Lowest AQI recorded in
March34AQI
Most & Least Polluted Years Over the Last 1 Years
South Gate's annual 2025 AQI (43) shows an average percentage change of NaN% (improved AQI) compared to previous years: .