Redlands, 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
Redlands, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Oct - 15th Oct 2025
Redlands, California, United States
6 AM14th Oct 2025
6 PM
5 AM15th Oct 2025
58AQI
10AQI
48AQI
9AQI
In the last 24 hours,
Redlands's AQI reached its highest point of 58 at 6 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Redlands, California, United States
24°C17/35°C
26°C19/37°C
24°C18/33°C
21°C15/29°C
20°C16/28°C
22°C15/32°C
24°C18/32°C
26°C19/36°C
29°C20/41°C
27°C20/36°C
24°C18/33°C
21°C17/28°C
21°C18/29°C
22°C17/30°C
22°C15/31°C
21°C16/29°C
21°C14/31°C
22°C14/32°C
19°C14/28°C
19°C12/29°C
21°C13/32°C
20°C12/31°C
21°C12/32°C
20°C12/30°C
21°C13/30°C
26°C19/38°C
24°C16/33°C
21°C12/32°C
16°C12/20°C
14°C12/20°C
--°C/°C
48AQI
41AQI
44AQI
41AQI
2025 Days Vs Air Quality
Redlands, California, United States
77%
157
22%
45
0.4%
1
Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 288 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
Redlands, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
27AQI
27AQI
34AQI
37AQI
26AQI
30AQI
37AQI
23AQI
23AQI
24AQI
23AQI
28AQI
39AQI
41AQI
42AQI
46AQI
44AQI
42AQI
44AQI
42AQI
38AQI
31AQI
45AQI
46AQI
31AQI
37AQI
37AQI
37AQI
33AQI
34AQI
27AQI
23AQI
23AQI
31AQI
32AQI
38AQI
38AQI
37AQI
27AQI
30AQI
31AQI
31AQI
42AQI
40AQI
41AQI
40AQI
44AQI
31AQI
33AQI
36AQI
39AQI
42AQI
36AQI
42AQI
42AQI
43AQI
51AQI
50AQI
45AQI
44AQI
45AQI
44AQI
47AQI
47AQI
47AQI
52AQI
46AQI
34AQI
36AQI
37AQI
36AQI
37AQI
43AQI
43AQI
41AQI
46AQI
51AQI
49AQI
51AQI
48AQI
46AQI
51AQI
56AQI
55AQI
55AQI
52AQI
46AQI
46AQI
46AQI
47AQI
50AQI
50AQI
50AQI
46AQI
46AQI
41AQI
83AQI
82AQI
76AQI
45AQI
52AQI
44AQI
43AQI
52AQI
41AQI
44AQI
52AQI
52AQI
52AQI
52AQI
46AQI
48AQI
34AQI
38AQI
39AQI
38AQI
43AQI
37AQI
31AQI
31AQI
26AQI
24AQI
26AQI
29AQI
33AQI
40AQI
63AQI
70AQI
45AQI
47AQI
57AQI
57AQI
58AQI
55AQI
52AQI
61AQI
63AQI
60AQI
60AQI
59AQI
113AQI
50AQI
37AQI
35AQI
33AQI
34AQI
39AQI
65AQI
57AQI
51AQI
53AQI
57AQI
41AQI
34AQI
37AQI
40AQI
42AQI
45AQI
44AQI
38AQI
53AQI
44AQI
43AQI
39AQI
32AQI
26AQI
38AQI
48AQI
29AQI
30AQI
37AQI
44AQI
40AQI
36AQI
38AQI
36AQI
33AQI
26AQI
30AQI
29AQI
33AQI
32AQI
32AQI
29AQI
28AQI
33AQI
36AQI
34AQI
54AQI
47AQI
47AQI
50AQI
54AQI
56AQI
71AQI
69AQI
68AQI
57AQI
52AQI
49AQI
53AQI
43AQI
30AQI
34AQI
40AQI
46AQI
45AQI
52AQI
36AQI
55AQI
No. of days
202543AQI
Highest AQI recorded in
October55AQI
Lowest AQI recorded in
March30AQI
Most & Least Polluted Years Over the Last 1 Years
Redlands's annual 2025 AQI (43) shows an average percentage change of NaN% (improved AQI) compared to previous years: .