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)
54
Moderate
Escondido, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
48.10 μg/m³
0
55
155
255
425
605+
55.29 ppb
0
55
71
86
201
201+
0.94 ppb
0
36
76
186
605
1005+
4.90 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Escondido, California
Escondido, California
Scroll To Air Quality MapLoading...
AQI 52
Moderate
10.12μg/m³
PM2.5
50.50μg/m³
PM10
49.37ppb
O3
0.95ppb
SO2
4.92ppb
NO2
0.25ppm
CO
AQI 56
Moderate
10.53μg/m³
PM2.5
66.13μg/m³
PM10
55.25ppb
O3
0.93ppb
SO2
3.79ppb
NO2
0.25ppm
CO
AQI 49
Good
9.11μg/m³
PM2.5
30.95μg/m³
PM10
49.13ppb
O3
0.95ppb
SO2
4.82ppb
NO2
0.25ppm
CO
AQI 44
Good
7.29μg/m³
PM2.5
24.40μg/m³
PM10
47.51ppb
O3
0.93ppb
SO2
5.18ppb
NO2
0.25ppm
CO
AQI 49
Good
8.80μg/m³
PM2.5
38.07μg/m³
PM10
46.56ppb
O3
0.95ppb
SO2
4.96ppb
NO2
0.25ppm
CO
AQI 98
Moderate
27.80μg/m³
PM2.5
149.36μg/m³
PM10
48.54ppb
O3
0.91ppb
SO2
3.81ppb
NO2
0.25ppm
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 11:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Escondido, California was observed at 07:00:00 on 2026-07-23.
As of now, the AQI in Escondido, California is 54, indicating Moderate conditions.
Escondido, California air has the highest levels of PM2.5.
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 10.504 μg/m3.
The PM10 concentration in Escondido, California is 48.096 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Escondido, California is 0.251 ppm.
Currently, Escondido, California has a sulfur dioxide (SO2) concentration of 0.935 ppb.
The current ozone (O3) level in Escondido, California at the moment is 55.291 ppm.
Nitrogen dioxide (NO2) level in Escondido, California at the moment is 4.901 ppb.
All Rights Reserved © Ambee Inc. 2025