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)
30
Good
Escondido, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.43 μg/m³
0
55
155
255
425
605+
31.57 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
4.09 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Escondido, California
Escondido, California
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AQI 29
Good
2.85μg/m³
PM2.5
11.60μg/m³
PM10
30.66ppb
O3
0.46ppb
SO2
4.99ppb
NO2
0.28ppm
CO
AQI 36
Good
2.81μg/m³
PM2.5
22.02μg/m³
PM10
38.62ppb
O3
0.47ppb
SO2
2.91ppb
NO2
0.28ppm
CO
AQI 33
Good
2.85μg/m³
PM2.5
11.58μg/m³
PM10
36.32ppb
O3
0.46ppb
SO2
5.35ppb
NO2
0.28ppm
CO
AQI 33
Good
2.72μg/m³
PM2.5
7.05μg/m³
PM10
35.67ppb
O3
0.47ppb
SO2
3.85ppb
NO2
0.28ppm
CO
AQI 36
Good
2.85μg/m³
PM2.5
7.60μg/m³
PM10
38.63ppb
O3
0.46ppb
SO2
3.51ppb
NO2
0.28ppm
CO
AQI 35
Good
3.06μg/m³
PM2.5
13.08μg/m³
PM10
38.42ppb
O3
0.52ppb
SO2
2.70ppb
NO2
0.28ppm
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 06:00:00 on 2026-04-22.
In the last 24 hours, the best air quality in Escondido, California was observed at 08:00:00 on 2026-04-22.
As of now, the AQI in Escondido, California is 28, 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 2.529 μg/m3.
The PM10 concentration in Escondido, California is 8.508 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Escondido, California is 0.264 ppm.
Currently, Escondido, California has a sulfur dioxide (SO2) concentration of 0.502 ppb.
The current ozone (O3) level in Escondido, California at the moment is 29.837 ppm.
Nitrogen dioxide (NO2) level in Escondido, California at the moment is 3.068 ppb.
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