Carmel Mountain Ranch, San Diego, 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
Carmel Mountain Ranch, San Diego, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Carmel Mountain Ranch, San Diego, California, United States
6 AM18th Oct 2025
6 PM
5 AM19th Oct 2025
55AQI
25AQI
63AQI
18AQI
In the last 24 hours,
Carmel Mountain Ranch's AQI reached its highest point of 63 at 2 AM during the Night, while the lowest point, 18, was recorded at 7 PM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Carmel Mountain Ranch, San Diego, California, United States
23°C20/31°C
23°C18/31°C
23°C18/33°C
23°C18/33°C
25°C18/36°C
24°C19/32°C
22°C18/30°C
20°C17/24°C
21°C18/27°C
22°C17/29°C
21°C15/29°C
21°C17/28°C
20°C14/30°C
21°C14/30°C
19°C15/26°C
19°C13/27°C
18°C13/24°C
18°C14/24°C
18°C14/24°C
19°C14/29°C
21°C15/31°C
23°C17/35°C
21°C16/31°C
19°C13/29°C
17°C15/20°C
17°C14/20°C
16°C13/20°C
17°C10/27°C
20°C11/30°C
21°C13/34°C
--°C/°C
44AQI
41AQI
39AQI
39AQI
2025 Days Vs Air Quality
Carmel Mountain Ranch, San Diego, California, United States
67%
139
33%
69
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 292 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Carmel Mountain Ranch, San Diego, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
24AQI
30AQI
43AQI
41AQI
23AQI
29AQI
36AQI
33AQI
27AQI
27AQI
26AQI
32AQI
42AQI
43AQI
48AQI
49AQI
54AQI
57AQI
54AQI
44AQI
37AQI
25AQI
26AQI
37AQI
48AQI
51AQI
52AQI
43AQI
41AQI
39AQI
24AQI
20AQI
24AQI
39AQI
52AQI
47AQI
35AQI
36AQI
30AQI
31AQI
40AQI
44AQI
48AQI
51AQI
50AQI
49AQI
52AQI
30AQI
34AQI
50AQI
55AQI
46AQI
34AQI
44AQI
53AQI
54AQI
57AQI
60AQI
55AQI
51AQI
47AQI
45AQI
43AQI
38AQI
46AQI
54AQI
50AQI
44AQI
31AQI
30AQI
27AQI
29AQI
34AQI
39AQI
44AQI
50AQI
49AQI
53AQI
58AQI
52AQI
55AQI
59AQI
60AQI
62AQI
59AQI
56AQI
56AQI
57AQI
57AQI
59AQI
53AQI
49AQI
50AQI
47AQI
50AQI
40AQI
43AQI
43AQI
45AQI
43AQI
60AQI
54AQI
55AQI
55AQI
46AQI
45AQI
55AQI
52AQI
46AQI
41AQI
37AQI
31AQI
25AQI
27AQI
37AQI
44AQI
39AQI
29AQI
26AQI
32AQI
23AQI
22AQI
25AQI
29AQI
37AQI
48AQI
52AQI
51AQI
45AQI
48AQI
60AQI
64AQI
64AQI
64AQI
58AQI
56AQI
56AQI
53AQI
57AQI
58AQI
58AQI
55AQI
40AQI
39AQI
44AQI
43AQI
45AQI
52AQI
56AQI
55AQI
52AQI
51AQI
53AQI
49AQI
54AQI
45AQI
40AQI
48AQI
52AQI
47AQI
52AQI
46AQI
48AQI
43AQI
40AQI
36AQI
28AQI
27AQI
28AQI
29AQI
42AQI
46AQI
52AQI
54AQI
45AQI
40AQI
40AQI
41AQI
41AQI
44AQI
38AQI
39AQI
34AQI
26AQI
19AQI
35AQI
34AQI
37AQI
43AQI
27AQI
34AQI
48AQI
52AQI
51AQI
57AQI
54AQI
48AQI
45AQI
52AQI
56AQI
58AQI
40AQI
21AQI
31AQI
46AQI
44AQI
54AQI
31AQI
39AQI
45AQI
49AQI
40AQI
52AQI
39AQI
45AQI
No. of days
202544AQI
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
March31AQI
Most & Least Polluted Years Over the Last 1 Years
Carmel Mountain Ranch's annual 2025 AQI (44) shows an average percentage change of NaN% (improved AQI) compared to previous years: .