Stay updated with real-time air quality in Chula Vista, 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)
67
Moderate
Chula Vista, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
18.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.12 μg/m³
0
55
155
255
425
605+
33.34 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
26.65 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chula Vista, California
Chula Vista, California
Scroll To Air Quality MapLoading...
AQI 67
Moderate
18.23μg/m³
PM2.5
36.74μg/m³
PM10
30.34ppb
O3
0.42ppb
SO2
23.79ppb
NO2
0.36ppm
CO
AQI 69
Moderate
18.66μg/m³
PM2.5
39.97μg/m³
PM10
33.24ppb
O3
0.41ppb
SO2
26.25ppb
NO2
0.36ppm
CO
AQI 73
Moderate
20.98μg/m³
PM2.5
62.40μg/m³
PM10
32.04ppb
O3
0.41ppb
SO2
26.03ppb
NO2
0.36ppm
CO
AQI 67
Moderate
18.20μg/m³
PM2.5
34.37μg/m³
PM10
28.28ppb
O3
0.43ppb
SO2
21.96ppb
NO2
0.36ppm
CO
AQI 67
Moderate
18.24μg/m³
PM2.5
31.53μg/m³
PM10
27.29ppb
O3
0.43ppb
SO2
21.25ppb
NO2
0.36ppm
CO
AQI 62
Moderate
14.95μg/m³
PM2.5
29.17μg/m³
PM10
32.74ppb
O3
0.41ppb
SO2
22.66ppb
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 Chula Vista, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Chula Vista, California was at its worst at 07:00:00 on 2025-12-15.
In the last 24 hours, the best air quality in Chula Vista, California was observed at 04:00:00 on 2025-12-15.
As of now, the AQI in Chula Vista, California is 67, indicating Moderate conditions.
Chula Vista, California air has the highest levels of PM2.5.
Poor air quality in Chula Vista, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Chula Vista, California are currently 18.468 μg/m3.
The PM10 concentration in Chula Vista, California is 37.122 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chula Vista, California is 0.362 ppm.
Currently, Chula Vista, California has a sulfur dioxide (SO2) concentration of 0.416 ppb.
The current ozone (O3) level in Chula Vista, California at the moment is 33.335 ppm.
Nitrogen dioxide (NO2) level in Chula Vista, California at the moment is 26.652 ppb.
All Rights Reserved © Ambee Inc. 2025