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)
16
Good
Escondido, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.34 μg/m³
0
55
155
255
425
605+
4.44 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
9.43 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Escondido, California
Escondido, California
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AQI 22
Good
3.62μg/m³
PM2.5
16.51μg/m³
PM10
4.56ppb
O3
0.76ppb
SO2
11.31ppb
NO2
0.38ppm
CO
AQI 22
Good
3.65μg/m³
PM2.5
12.63μg/m³
PM10
7.01ppb
O3
0.76ppb
SO2
7.89ppb
NO2
0.38ppm
CO
AQI 22
Good
3.97μg/m³
PM2.5
16.06μg/m³
PM10
5.38ppb
O3
0.78ppb
SO2
11.17ppb
NO2
0.38ppm
CO
AQI 22
Good
3.70μg/m³
PM2.5
10.13μg/m³
PM10
6.85ppb
O3
0.74ppb
SO2
11.65ppb
NO2
0.38ppm
CO
AQI 66
Moderate
16.73μg/m³
PM2.5
44.34μg/m³
PM10
7.37ppb
O3
0.76ppb
SO2
11.91ppb
NO2
0.38ppm
CO
AQI 16
Good
3.42μg/m³
PM2.5
16.60μg/m³
PM10
10.84ppb
O3
0.72ppb
SO2
9.13ppb
NO2
0.38ppm
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 2026-09-06.
In the last 24 hours, the best air quality in Escondido, California was observed at 11:00:00 on 2026-09-07.
As of now, the AQI in Escondido, California is 16, indicating Good 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 2.694 μg/m3.
The PM10 concentration in Escondido, California is 16.337 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Escondido, California is 0.38 ppm.
Currently, Escondido, California has a sulfur dioxide (SO2) concentration of 0.758 ppb.
The current ozone (O3) level in Escondido, California at the moment is 4.436 ppm.
Nitrogen dioxide (NO2) level in Escondido, California at the moment is 9.432 ppb.
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