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)
91
Moderate
San Diego Country Estates, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
134.94 μg/m³
0
55
155
255
425
605+
52.19 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
5.81 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
San Diego Country Estates, California
San Diego Country Estates, California
Scroll To Air Quality MapLoading...
AQI 60
Moderate
11.74μg/m³
PM2.5
74.40μg/m³
PM10
54.27ppb
O3
0.89ppb
SO2
4.73ppb
NO2
0.27ppm
CO
AQI 54
Moderate
6.70μg/m³
PM2.5
26.00μg/m³
PM10
55.94ppb
O3
0.87ppb
SO2
9.00ppb
NO2
0.27ppm
CO
AQI 44
Good
7.76μg/m³
PM2.5
25.56μg/m³
PM10
39.95ppb
O3
0.89ppb
SO2
6.96ppb
NO2
0.27ppm
CO
AQI 44
Good
7.80μg/m³
PM2.5
25.50μg/m³
PM10
38.41ppb
O3
0.90ppb
SO2
6.78ppb
NO2
0.27ppm
CO
AQI 50
Good
7.43μg/m³
PM2.5
24.05μg/m³
PM10
54.30ppb
O3
0.92ppb
SO2
8.50ppb
NO2
0.28ppm
CO
AQI 44
Good
7.80μg/m³
PM2.5
25.21μg/m³
PM10
37.16ppb
O3
0.89ppb
SO2
6.29ppb
NO2
0.27ppm
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 01:00:00, 2026-07-24.
The best air quality in San Diego Country Estates, California was observed at 08:00:00 on 2026-07-23.
The air quality in San Diego Country Estates, California right now is Moderate, with an AQI of 91.
In San Diego Country Estates, California, PM10 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 6.623 μg/m3.
San Diego Country Estates, California currently has a PM10 concentration of 134.935 μg/m3.
The current carbon monoxide (CO) level in San Diego Country Estates, California is 0.272 ppm.
The current sulfur dioxide (SO2) concentration in San Diego Country Estates, California is 0.885 ppb.
San Diego Country Estates, California currently has an ozone (O3) concentration of 52.192 ppm.
The current level of nitrogen dioxide (NO2) in San Diego Country Estates, California is 5.807 ppb.
All Rights Reserved © Ambee Inc. 2025