Stay updated with real-time air quality in Escondido, 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)
41
Good
Escondido, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.43 μg/m³
0
55
155
255
425
605+
44.46 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
5.86 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Escondido, California
Escondido, California
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AQI 43
Good
6.33μg/m³
PM2.5
14.62μg/m³
PM10
46.49ppb
O3
0.41ppb
SO2
5.90ppb
NO2
0.23ppm
CO
AQI 37
Good
3.30μg/m³
PM2.5
11.88μg/m³
PM10
40.41ppb
O3
0.40ppb
SO2
3.56ppb
NO2
0.22ppm
CO
AQI 44
Good
3.38μg/m³
PM2.5
13.31μg/m³
PM10
46.73ppb
O3
0.41ppb
SO2
4.83ppb
NO2
0.23ppm
CO
AQI 41
Good
4.83μg/m³
PM2.5
17.85μg/m³
PM10
44.20ppb
O3
0.41ppb
SO2
3.42ppb
NO2
0.22ppm
CO
AQI 42
Good
4.49μg/m³
PM2.5
20.31μg/m³
PM10
45.07ppb
O3
0.41ppb
SO2
2.62ppb
NO2
0.23ppm
CO
AQI 41
Good
3.25μg/m³
PM2.5
10.34μg/m³
PM10
43.70ppb
O3
0.36ppb
SO2
1.20ppb
NO2
0.22ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Escondido, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Escondido, California was at its worst at 04:00:00 on 2026-02-08.
In the last 24 hours, the best air quality in Escondido, California was observed at 03:00:00 on 2026-02-08.
As of now, the AQI in Escondido, California is 41, indicating Good conditions.
Escondido, California air has the highest levels of O3.
Poor air quality in Escondido, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Escondido, California are currently 3.729 μg/m3.
The PM10 concentration in Escondido, California is 13.428 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Escondido, California is 0.223 ppm.
Currently, Escondido, California has a sulfur dioxide (SO2) concentration of 0.406 ppb.
The current ozone (O3) level in Escondido, California at the moment is 44.46 ppm.
Nitrogen dioxide (NO2) level in Escondido, California at the moment is 5.859 ppb.
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