Stay updated with real-time air quality in 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)
22
Good
Vista, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.06 μg/m³
0
55
155
255
425
605+
5.38 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
11.17 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Vista, California
Vista, California
Scroll To Air Quality MapLoading...
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 154
Unhealthy
60.32μg/m³
PM2.5
155.96μg/m³
PM10
7.91ppb
O3
0.78ppb
SO2
10.73ppb
NO2
0.39ppm
CO
AQI 160
Unhealthy
67.52μg/m³
PM2.5
174.27μg/m³
PM10
7.96ppb
O3
0.78ppb
SO2
10.70ppb
NO2
0.39ppm
CO
AQI 159
Unhealthy
66.97μg/m³
PM2.5
172.89μg/m³
PM10
7.92ppb
O3
0.78ppb
SO2
10.68ppb
NO2
0.39ppm
CO
AQI 16
Good
2.69μg/m³
PM2.5
16.34μg/m³
PM10
4.44ppb
O3
0.76ppb
SO2
9.43ppb
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
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Vista, California are available every hour.
Vista, California experienced its worst air quality at 11:00:00, 2026-09-06.
The best air quality in Vista, California was observed at 01:00:00 on 2026-09-07.
The air quality in Vista, California right now is Good, with an AQI of 22.
In Vista, California, PM2.5 is the most frequently found pollutant.
When air quality in Vista, California is compromised, staying indoors and wearing a mask can reduce health risks.
Vista, California currently has a PM2.5 concentration of 3.971 μg/m3.
Vista, California currently has a PM10 concentration of 16.061 μg/m3.
The current carbon monoxide (CO) level in Vista, California is 0.383 ppm.
The current sulfur dioxide (SO2) concentration in Vista, California is 0.778 ppb.
Vista, California currently has an ozone (O3) concentration of 5.385 ppm.
The current level of nitrogen dioxide (NO2) in Vista, California is 11.173 ppb.
All Rights Reserved © Ambee Inc. 2025