Pico Rivera, 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
Pico Rivera, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (12th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Oct - 13th Oct 2025
Pico Rivera, California, United States
6 AM12th Oct 2025
6 PM
5 AM13th Oct 2025
68AQI
53AQI
67AQI
40AQI
In the last 24 hours,
Pico Rivera's AQI reached its highest point of 68 at 3 PM during the Day, while the lowest point, 40, was recorded at 10 PM during the Night between 12th Oct and 13th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Pico Rivera, California, United States
23°C19/29°C
24°C19/31°C
25°C19/34°C
28°C22/38°C
26°C23/32°C
25°C21/30°C
24°C21/31°C
25°C19/32°C
24°C19/34°C
24°C18/35°C
25°C18/36°C
25°C20/34°C
22°C19/31°C
21°C19/24°C
22°C18/29°C
22°C18/30°C
21°C17/30°C
22°C18/29°C
21°C16/30°C
22°C16/31°C
21°C17/26°C
20°C15/30°C
21°C14/31°C
20°C15/30°C
20°C16/28°C
19°C16/26°C
21°C14/31°C
23°C17/33°C
22°C15/31°C
20°C14/30°C
--°C/°C
48AQI
44AQI
44AQI
38AQI
2025 Days Vs Air Quality
Pico Rivera, California, United States
84%
168
16%
33
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 286 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
Pico Rivera, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
22AQI
32AQI
34AQI
28AQI
18AQI
24AQI
26AQI
31AQI
34AQI
26AQI
28AQI
37AQI
43AQI
48AQI
50AQI
49AQI
51AQI
50AQI
48AQI
47AQI
37AQI
26AQI
30AQI
33AQI
40AQI
46AQI
47AQI
38AQI
42AQI
33AQI
19AQI
18AQI
26AQI
38AQI
42AQI
34AQI
36AQI
33AQI
37AQI
41AQI
36AQI
40AQI
48AQI
49AQI
51AQI
52AQI
42AQI
24AQI
34AQI
45AQI
47AQI
40AQI
36AQI
46AQI
51AQI
54AQI
55AQI
53AQI
50AQI
44AQI
44AQI
40AQI
42AQI
37AQI
41AQI
42AQI
40AQI
37AQI
33AQI
32AQI
32AQI
32AQI
35AQI
36AQI
38AQI
37AQI
44AQI
46AQI
50AQI
50AQI
53AQI
56AQI
56AQI
54AQI
53AQI
53AQI
52AQI
52AQI
51AQI
45AQI
40AQI
44AQI
45AQI
44AQI
45AQI
35AQI
38AQI
38AQI
37AQI
38AQI
80AQI
56AQI
49AQI
37AQI
35AQI
40AQI
41AQI
42AQI
36AQI
30AQI
29AQI
25AQI
24AQI
27AQI
33AQI
36AQI
29AQI
21AQI
26AQI
23AQI
18AQI
21AQI
24AQI
26AQI
33AQI
41AQI
43AQI
38AQI
44AQI
49AQI
58AQI
59AQI
59AQI
52AQI
45AQI
46AQI
46AQI
45AQI
49AQI
49AQI
41AQI
39AQI
30AQI
33AQI
41AQI
45AQI
48AQI
54AQI
58AQI
51AQI
50AQI
49AQI
49AQI
47AQI
47AQI
44AQI
48AQI
49AQI
50AQI
47AQI
42AQI
41AQI
40AQI
42AQI
39AQI
26AQI
22AQI
23AQI
28AQI
35AQI
42AQI
49AQI
53AQI
52AQI
34AQI
44AQI
39AQI
42AQI
42AQI
38AQI
39AQI
41AQI
44AQI
28AQI
24AQI
24AQI
37AQI
44AQI
40AQI
29AQI
31AQI
51AQI
60AQI
40AQI
57AQI
47AQI
48AQI
52AQI
57AQI
56AQI
27AQI
37AQI
43AQI
44AQI
35AQI
47AQI
38AQI
47AQI
No. of days
202541AQI
Highest AQI recorded in
October47AQI
Lowest AQI recorded in
March27AQI
Most & Least Polluted Years Over the Last 1 Years
Pico Rivera's annual 2025 AQI (41) shows an average percentage change of NaN% (improved AQI) compared to previous years: .