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)
49
Good
Porterville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.04 μg/m³
0
55
155
255
425
605+
37.58 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
5.69 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Porterville, California
Porterville, California
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AQI 58
Moderate
12.51μg/m³
PM2.5
35.63μg/m³
PM10
34.03ppb
O3
0.85ppb
SO2
5.34ppb
NO2
0.13ppm
CO
AQI 35
Good
6.32μg/m³
PM2.5
22.03μg/m³
PM10
37.68ppb
O3
0.89ppb
SO2
5.14ppb
NO2
0.14ppm
CO
AQI 49
Good
9.15μg/m³
PM2.5
26.40μg/m³
PM10
41.47ppb
O3
0.90ppb
SO2
5.29ppb
NO2
0.14ppm
CO
AQI 49
Good
9.22μg/m³
PM2.5
25.56μg/m³
PM10
38.36ppb
O3
0.91ppb
SO2
5.79ppb
NO2
0.14ppm
CO
AQI 49
Good
8.89μg/m³
PM2.5
39.64μg/m³
PM10
23.36ppb
O3
0.97ppb
SO2
2.69ppb
NO2
0.14ppm
CO
AQI 60
Moderate
14.33μg/m³
PM2.5
54.34μg/m³
PM10
32.74ppb
O3
0.78ppb
SO2
2.43ppb
NO2
0.12ppm
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 09:00:00 on 2026-08-12.
The best air quality in Porterville, California was recorded at 12:00:00 on 2026-08-12.
The real-time air quality index in Porterville, California is 49, 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 9.132 μg/m3.
The current PM10 levels in Porterville, California are 41.038 μg/m3.
The current carbon monoxide (CO) level in Porterville, California is 0.123 ppm.
The current sulfur dioxide (SO2) levels in Porterville, California are 0.813 ppb.
The current ozone (O3) levels at Porterville, California is 37.58 ppm.
The current nitrogen dioxide (NO2) levels at Porterville, California is 5.69 ppb.
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