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)
30
Good
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+
16.86 μg/m³
0
55
155
255
425
605+
31.90 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
4.87 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Vista, California
Vista, California
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AQI 28
Good
4.13μg/m³
PM2.5
12.08μg/m³
PM10
29.63ppb
O3
0.15ppb
SO2
4.89ppb
NO2
0.14ppm
CO
AQI 27
Good
4.02μg/m³
PM2.5
10.95μg/m³
PM10
29.01ppb
O3
0.15ppb
SO2
4.83ppb
NO2
0.15ppm
CO
AQI 27
Good
4.00μg/m³
PM2.5
11.01μg/m³
PM10
28.99ppb
O3
0.15ppb
SO2
4.70ppb
NO2
0.15ppm
CO
AQI 27
Good
4.02μg/m³
PM2.5
11.15μg/m³
PM10
28.98ppb
O3
0.15ppb
SO2
4.68ppb
NO2
0.15ppm
CO
AQI 28
Good
4.14μg/m³
PM2.5
12.44μg/m³
PM10
29.71ppb
O3
0.15ppb
SO2
3.42ppb
NO2
0.14ppm
CO
AQI 27
Good
4.25μg/m³
PM2.5
12.97μg/m³
PM10
29.46ppb
O3
0.15ppb
SO2
3.48ppb
NO2
0.15ppm
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 12:00:00, 2025-07-23.
The best air quality in Vista, California was observed at 11:00:00 on 2025-07-23.
The air quality in Vista, California right now is Good, with an AQI of 45.
In Vista, California, PM10 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 8.015 μg/m3.
Vista, California currently has a PM10 concentration of 49.217 μg/m3.
The current carbon monoxide (CO) level in Vista, California is 0.217 ppm.
The current sulfur dioxide (SO2) concentration in Vista, California is 0.182 ppb.
Vista, California currently has an ozone (O3) concentration of 27.595 ppm.
The current level of nitrogen dioxide (NO2) in Vista, California is 4.7 ppb.
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