Stay updated with real-time air quality in San Diego Country Estates, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
54
Moderate
San Diego Country Estates, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.76 μg/m³
0
55
155
255
425
605+
49.41 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
12.38 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
San Diego Country Estates, California
San Diego Country Estates, California
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AQI 38
Good
6.77μg/m³
PM2.5
24.61μg/m³
PM10
33.65ppb
O3
0.53ppb
SO2
27.93ppb
NO2
0.33ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
17.03μg/m³
PM10
29.96ppb
O3
0.54ppb
SO2
21.35ppb
NO2
0.33ppm
CO
AQI 33
Good
6.30μg/m³
PM2.5
16.85μg/m³
PM10
19.75ppb
O3
0.52ppb
SO2
22.79ppb
NO2
0.34ppm
CO
AQI 33
Good
6.41μg/m³
PM2.5
17.04μg/m³
PM10
19.38ppb
O3
0.52ppb
SO2
23.08ppb
NO2
0.34ppm
CO
AQI 33
Good
6.43μg/m³
PM2.5
15.52μg/m³
PM10
23.68ppb
O3
0.51ppb
SO2
25.66ppb
NO2
0.34ppm
CO
AQI 33
Good
6.37μg/m³
PM2.5
16.96μg/m³
PM10
18.50ppb
O3
0.53ppb
SO2
22.18ppb
NO2
0.34ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for San Diego Country Estates, California are available every hour.
San Diego Country Estates, California experienced its worst air quality at 11:00:00, 2025-10-23.
The best air quality in San Diego Country Estates, California was observed at 04:00:00 on 2025-10-23.
The air quality in San Diego Country Estates, California right now is Good, with an AQI of 38.
In San Diego Country Estates, California, PM2.5 is the most frequently found pollutant.
When air quality in San Diego Country Estates, California is compromised, staying indoors and wearing a mask can reduce health risks.
San Diego Country Estates, California currently has a PM2.5 concentration of 6.675 μg/m3.
San Diego Country Estates, California currently has a PM10 concentration of 18.03 μg/m3.
The current carbon monoxide (CO) level in San Diego Country Estates, California is 0.329 ppm.
The current sulfur dioxide (SO2) concentration in San Diego Country Estates, California is 0.528 ppb.
San Diego Country Estates, California currently has an ozone (O3) concentration of 35.755 ppm.
The current level of nitrogen dioxide (NO2) in San Diego Country Estates, California is 25.146 ppb.
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