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)
27
Good
Chula Vista, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.55 μg/m³
0
55
155
255
425
605+
26.97 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
8.70 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chula Vista, California
Chula Vista, California
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AQI 24
Good
4.30μg/m³
PM2.5
13.40μg/m³
PM10
25.57ppb
O3
0.27ppb
SO2
8.76ppb
NO2
0.20ppm
CO
AQI 22
Good
4.25μg/m³
PM2.5
10.05μg/m³
PM10
23.98ppb
O3
0.27ppb
SO2
6.61ppb
NO2
0.21ppm
CO
AQI 27
Good
4.73μg/m³
PM2.5
20.36μg/m³
PM10
25.78ppb
O3
0.27ppb
SO2
6.53ppb
NO2
0.20ppm
CO
AQI 24
Good
4.03μg/m³
PM2.5
10.99μg/m³
PM10
25.70ppb
O3
0.27ppb
SO2
9.19ppb
NO2
0.21ppm
CO
AQI 24
Good
3.84μg/m³
PM2.5
9.36μg/m³
PM10
25.92ppb
O3
0.27ppb
SO2
9.43ppb
NO2
0.21ppm
CO
AQI 27
Good
5.14μg/m³
PM2.5
18.79μg/m³
PM10
24.35ppb
O3
0.27ppb
SO2
6.94ppb
NO2
0.16ppm
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 02:00:00 on 2025-07-26.
In the last 24 hours, the best air quality in Chula Vista, California was observed at 09:00:00 on 2025-07-26.
As of now, the AQI in Chula Vista, California is 27, 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 4.739 μg/m3.
The PM10 concentration in Chula Vista, California is 19.25 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chula Vista, California is 0.219 ppm.
Currently, Chula Vista, California has a sulfur dioxide (SO2) concentration of 0.195 ppb.
The current ozone (O3) level in Chula Vista, California at the moment is 26.14 ppm.
Nitrogen dioxide (NO2) level in Chula Vista, California at the moment is 7.701 ppb.
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