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)
45
Good
Visalia, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.01 μg/m³
0
55
155
255
425
605+
48.95 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
3.12 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Visalia, California
Visalia, California
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AQI 41
Good
7.36μg/m³
PM2.5
31.51μg/m³
PM10
43.61ppb
O3
0.67ppb
SO2
3.73ppb
NO2
0.11ppm
CO
AQI 40
Good
4.62μg/m³
PM2.5
19.83μg/m³
PM10
43.33ppb
O3
0.67ppb
SO2
3.65ppb
NO2
0.11ppm
CO
AQI 42
Good
6.83μg/m³
PM2.5
28.77μg/m³
PM10
44.91ppb
O3
0.67ppb
SO2
3.86ppb
NO2
0.11ppm
CO
AQI 42
Good
4.53μg/m³
PM2.5
13.90μg/m³
PM10
45.25ppb
O3
0.72ppb
SO2
4.61ppb
NO2
0.10ppm
CO
AQI 41
Good
6.03μg/m³
PM2.5
25.70μg/m³
PM10
43.99ppb
O3
0.65ppb
SO2
4.12ppb
NO2
0.11ppm
CO
AQI 40
Good
6.38μg/m³
PM2.5
24.62μg/m³
PM10
43.13ppb
O3
0.68ppb
SO2
3.69ppb
NO2
0.11ppm
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 07:00:00 on 2026-04-24.
In the last 24 hours, the best air quality in Visalia, California was observed at 09:00:00 on 2026-04-24.
As of now, the AQI in Visalia, California is 49, indicating Good conditions.
Visalia, California air has the highest levels of PM2.5.
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 8.697 μg/m3.
The PM10 concentration in Visalia, California is 38.507 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Visalia, California is 0.109 ppm.
Currently, Visalia, California has a sulfur dioxide (SO2) concentration of 0.673 ppb.
The current ozone (O3) level in Visalia, California at the moment is 43.051 ppm.
Nitrogen dioxide (NO2) level in Visalia, California at the moment is 2.931 ppb.
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