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)
33
Good
Chula Vista, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.21 μg/m³
0
55
155
255
425
605+
30.78 ppb
0
55
71
86
201
201+
0.16 ppb
0
36
76
186
605
1005+
9.62 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Chula Vista, California
Chula Vista, California
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AQI 28
Good
5.49μg/m³
PM2.5
17.63μg/m³
PM10
29.66ppb
O3
0.21ppb
SO2
11.18ppb
NO2
0.20ppm
CO
AQI 33
Good
5.84μg/m³
PM2.5
18.77μg/m³
PM10
31.96ppb
O3
0.21ppb
SO2
13.84ppb
NO2
0.21ppm
CO
AQI 33
Good
5.59μg/m³
PM2.5
21.47μg/m³
PM10
30.32ppb
O3
0.21ppb
SO2
13.33ppb
NO2
0.20ppm
CO
AQI 27
Good
5.47μg/m³
PM2.5
17.22μg/m³
PM10
29.37ppb
O3
0.21ppb
SO2
10.88ppb
NO2
0.21ppm
CO
AQI 27
Good
5.49μg/m³
PM2.5
17.01μg/m³
PM10
29.08ppb
O3
0.21ppb
SO2
10.67ppb
NO2
0.21ppm
CO
AQI 29
Good
5.22μg/m³
PM2.5
15.80μg/m³
PM10
30.74ppb
O3
0.21ppb
SO2
10.82ppb
NO2
0.18ppm
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 05:00:00 on 2025-09-11.
In the last 24 hours, the best air quality in Chula Vista, California was observed at 06:00:00 on 2025-09-10.
As of now, the AQI in Chula Vista, California is 33, indicating Good 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 5.522 μg/m3.
The PM10 concentration in Chula Vista, California is 19.215 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chula Vista, California is 0.186 ppm.
Currently, Chula Vista, California has a sulfur dioxide (SO2) concentration of 0.159 ppb.
The current ozone (O3) level in Chula Vista, California at the moment is 30.778 ppm.
Nitrogen dioxide (NO2) level in Chula Vista, California at the moment is 9.621 ppb.
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