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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.12 μg/m³
0
55
155
255
425
605+
7.58 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
6.39 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Porterville, California
Porterville, California
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AQI 27
Good
4.63μg/m³
PM2.5
21.45μg/m³
PM10
4.65ppb
O3
0.64ppb
SO2
8.67ppb
NO2
0.38ppm
CO
AQI 11
Good
2.10μg/m³
PM2.5
6.72μg/m³
PM10
4.91ppb
O3
0.63ppb
SO2
8.99ppb
NO2
0.37ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
22.75μg/m³
PM10
3.77ppb
O3
0.62ppb
SO2
8.58ppb
NO2
0.36ppm
CO
AQI 62
Moderate
14.75μg/m³
PM2.5
21.15μg/m³
PM10
4.86ppb
O3
0.60ppb
SO2
8.60ppb
NO2
0.36ppm
CO
AQI 44
Good
7.62μg/m³
PM2.5
33.44μg/m³
PM10
2.14ppb
O3
0.60ppb
SO2
6.94ppb
NO2
0.25ppm
CO
AQI 81
Moderate
25.02μg/m³
PM2.5
28.93μg/m³
PM10
6.51ppb
O3
0.50ppb
SO2
9.08ppb
NO2
0.41ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Porterville, California is updated on an hourly basis.
The worst air quality in Porterville, California was recorded at 06:00:00 on 2025-12-13.
The best air quality in Porterville, California was recorded at 06:00:00 on 2025-12-12.
The real-time air quality index in Porterville, California is 22, currently categorized as Good.
The most common pollutant in Porterville, California is PM2.5.
If the air quality in Porterville, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Porterville, California at present are 3.871 μg/m3.
The current PM10 levels in Porterville, California are 16.662 μg/m3.
The current carbon monoxide (CO) level in Porterville, California is 0.4 ppm.
The current sulfur dioxide (SO2) levels in Porterville, California are 0.679 ppb.
The current ozone (O3) levels at Porterville, California is 6.142 ppm.
The current nitrogen dioxide (NO2) levels at Porterville, California is 9.19 ppb.
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