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
10.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.78 μg/m³
0
55
155
255
425
605+
37.73 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
5.34 ppb
0
54
101
361
1250
2050+
0.33 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 44
Good
8.41μg/m³
PM2.5
31.02μg/m³
PM10
34.08ppb
O3
0.58ppb
SO2
4.48ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.01μg/m³
PM2.5
25.01μg/m³
PM10
35.99ppb
O3
0.59ppb
SO2
5.90ppb
NO2
0.30ppm
CO
AQI 58
Moderate
13.16μg/m³
PM2.5
27.96μg/m³
PM10
34.68ppb
O3
0.57ppb
SO2
6.23ppb
NO2
0.30ppm
CO
AQI 58
Moderate
13.36μg/m³
PM2.5
28.18μg/m³
PM10
34.35ppb
O3
0.56ppb
SO2
6.19ppb
NO2
0.30ppm
CO
AQI 56
Moderate
12.32μg/m³
PM2.5
24.84μg/m³
PM10
37.42ppb
O3
0.55ppb
SO2
6.22ppb
NO2
0.30ppm
CO
AQI 60
Moderate
13.58μg/m³
PM2.5
28.67μg/m³
PM10
33.58ppb
O3
0.57ppb
SO2
6.26ppb
NO2
0.30ppm
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 07:00:00, 2026-09-12.
The best air quality in San Diego Country Estates, California was observed at 02:00:00 on 2026-09-13.
The air quality in San Diego Country Estates, California right now is Moderate, with an AQI of 52.
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 10.489 μg/m3.
San Diego Country Estates, California currently has a PM10 concentration of 37.384 μg/m3.
The current carbon monoxide (CO) level in San Diego Country Estates, California is 0.3 ppm.
The current sulfur dioxide (SO2) concentration in San Diego Country Estates, California is 0.577 ppb.
San Diego Country Estates, California currently has an ozone (O3) concentration of 36.601 ppm.
The current level of nitrogen dioxide (NO2) in San Diego Country Estates, California is 4.597 ppb.
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