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)
38
Good
Chula Vista, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.25 μg/m³
0
55
155
255
425
605+
31.95 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
24.79 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Chula Vista, California
Chula Vista, California
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AQI 67
Moderate
17.77μg/m³
PM2.5
37.62μg/m³
PM10
13.53ppb
O3
0.47ppb
SO2
29.45ppb
NO2
0.38ppm
CO
AQI 60
Moderate
14.02μg/m³
PM2.5
39.00μg/m³
PM10
18.88ppb
O3
0.47ppb
SO2
31.04ppb
NO2
0.38ppm
CO
AQI 79
Moderate
23.55μg/m³
PM2.5
86.88μg/m³
PM10
18.32ppb
O3
0.47ppb
SO2
31.03ppb
NO2
0.38ppm
CO
AQI 71
Moderate
20.23μg/m³
PM2.5
36.90μg/m³
PM10
9.85ppb
O3
0.47ppb
SO2
27.95ppb
NO2
0.38ppm
CO
AQI 73
Moderate
20.61μg/m³
PM2.5
31.97μg/m³
PM10
7.68ppb
O3
0.47ppb
SO2
27.35ppb
NO2
0.38ppm
CO
AQI 62
Moderate
15.09μg/m³
PM2.5
31.75μg/m³
PM10
15.15ppb
O3
0.47ppb
SO2
28.07ppb
NO2
0.34ppm
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 06:00:00 on 2025-10-28.
In the last 24 hours, the best air quality in Chula Vista, California was observed at 07:00:00 on 2025-10-29.
As of now, the AQI in Chula Vista, California is 54, 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 10.778 μg/m3.
The PM10 concentration in Chula Vista, California is 28.678 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chula Vista, California is 0.359 ppm.
Currently, Chula Vista, California has a sulfur dioxide (SO2) concentration of 0.385 ppb.
The current ozone (O3) level in Chula Vista, California at the moment is 22.844 ppm.
Nitrogen dioxide (NO2) level in Chula Vista, California at the moment is 24.182 ppb.
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