Stay updated with real-time air quality in Visalia, 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
Visalia, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.14 μg/m³
0
55
155
255
425
605+
39.99 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
3.54 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Visalia, California
Visalia, California
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AQI 32
Good
5.20μg/m³
PM2.5
24.50μg/m³
PM10
35.49ppb
O3
0.62ppb
SO2
6.37ppb
NO2
0.13ppm
CO
AQI 36
Good
5.39μg/m³
PM2.5
21.08μg/m³
PM10
39.45ppb
O3
0.64ppb
SO2
4.06ppb
NO2
0.13ppm
CO
AQI 37
Good
4.83μg/m³
PM2.5
25.81μg/m³
PM10
40.02ppb
O3
0.62ppb
SO2
6.41ppb
NO2
0.13ppm
CO
AQI 34
Good
5.43μg/m³
PM2.5
26.05μg/m³
PM10
36.63ppb
O3
0.62ppb
SO2
3.98ppb
NO2
0.13ppm
CO
AQI 34
Good
4.59μg/m³
PM2.5
23.01μg/m³
PM10
37.34ppb
O3
0.63ppb
SO2
5.79ppb
NO2
0.14ppm
CO
AQI 36
Good
4.65μg/m³
PM2.5
26.33μg/m³
PM10
38.91ppb
O3
0.63ppb
SO2
4.86ppb
NO2
0.14ppm
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 Visalia, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Visalia, California was at its worst at 03:00:00 on 2025-07-24.
In the last 24 hours, the best air quality in Visalia, California was observed at 03:00:00 on 2025-07-23.
As of now, the AQI in Visalia, California is 41, indicating Good conditions.
Visalia, California air has the highest levels of O3.
Poor air quality in Visalia, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Visalia, California are currently 5.028 μg/m3.
The PM10 concentration in Visalia, California is 22.192 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Visalia, California is 0.129 ppm.
Currently, Visalia, California has a sulfur dioxide (SO2) concentration of 0.634 ppb.
The current ozone (O3) level in Visalia, California at the moment is 43.788 ppm.
Nitrogen dioxide (NO2) level in Visalia, California at the moment is 5.894 ppb.
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