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)
27
Good
San Diego Country Estates, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.43 μg/m³
0
55
155
255
425
605+
29.08 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
2.13 ppb
0
54
101
361
1250
2050+
0.32 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 27
Good
3.17μg/m³
PM2.5
11.59μg/m³
PM10
29.15ppb
O3
0.61ppb
SO2
2.14ppb
NO2
0.32ppm
CO
AQI 37
Good
2.60μg/m³
PM2.5
5.00μg/m³
PM10
39.98ppb
O3
0.61ppb
SO2
2.09ppb
NO2
0.32ppm
CO
AQI 31
Good
2.71μg/m³
PM2.5
5.98μg/m³
PM10
32.52ppb
O3
0.60ppb
SO2
3.39ppb
NO2
0.32ppm
CO
AQI 30
Good
2.72μg/m³
PM2.5
6.10μg/m³
PM10
32.21ppb
O3
0.60ppb
SO2
3.69ppb
NO2
0.32ppm
CO
AQI 25
Good
2.72μg/m³
PM2.5
6.13μg/m³
PM10
26.74ppb
O3
0.57ppb
SO2
4.94ppb
NO2
0.32ppm
CO
AQI 30
Good
2.70μg/m³
PM2.5
6.00μg/m³
PM10
31.57ppb
O3
0.61ppb
SO2
3.06ppb
NO2
0.32ppm
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, 2026-04-22.
The best air quality in San Diego Country Estates, California was observed at 11:00:00 on 2026-04-22.
The air quality in San Diego Country Estates, California right now is Good, with an AQI of 27.
In San Diego Country Estates, California, O3 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 3.155 μg/m3.
San Diego Country Estates, California currently has a PM10 concentration of 11.425 μg/m3.
The current carbon monoxide (CO) level in San Diego Country Estates, California is 0.319 ppm.
The current sulfur dioxide (SO2) concentration in San Diego Country Estates, California is 0.613 ppb.
San Diego Country Estates, California currently has an ozone (O3) concentration of 29.083 ppm.
The current level of nitrogen dioxide (NO2) in San Diego Country Estates, California is 2.126 ppb.
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