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
6.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.44 μg/m³
0
55
155
255
425
605+
43.98 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
3.94 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Escondido, California
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AQI 44
Good
6.88μg/m³
PM2.5
20.99μg/m³
PM10
47.97ppb
O3
0.47ppb
SO2
5.43ppb
NO2
0.31ppm
CO
AQI 44
Good
6.96μg/m³
PM2.5
23.25μg/m³
PM10
47.83ppb
O3
0.45ppb
SO2
1.73ppb
NO2
0.31ppm
CO
AQI 44
Good
6.89μg/m³
PM2.5
24.74μg/m³
PM10
47.83ppb
O3
0.47ppb
SO2
5.43ppb
NO2
0.31ppm
CO
AQI 44
Good
8.44μg/m³
PM2.5
22.22μg/m³
PM10
46.99ppb
O3
0.46ppb
SO2
5.74ppb
NO2
0.31ppm
CO
AQI 44
Good
8.00μg/m³
PM2.5
21.48μg/m³
PM10
47.61ppb
O3
0.46ppb
SO2
5.33ppb
NO2
0.31ppm
CO
AQI 44
Good
6.78μg/m³
PM2.5
16.43μg/m³
PM10
47.85ppb
O3
0.46ppb
SO2
1.79ppb
NO2
0.31ppm
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 05:00:00 on 2026-03-03.
In the last 24 hours, the best air quality in Escondido, California was observed at 05:00:00 on 2026-03-03.
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 6.491 μg/m3.
The PM10 concentration in Escondido, California is 32.436 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Escondido, California is 0.369 ppm.
Currently, Escondido, California has a sulfur dioxide (SO2) concentration of 0.427 ppb.
The current ozone (O3) level in Escondido, California at the moment is 43.983 ppm.
Nitrogen dioxide (NO2) level in Escondido, California at the moment is 3.942 ppb.
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