Air Quality in Porterville, United States
Windy
36.3°C · 15.9% humidity
36.3°
Feels 36.3°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Porterville's air quality — share it
AQI Forecast
27
12pm
27
27
20
3pm
21
22
23
6pm
24
26
53
9pm
54
66
66
12am
66
66
66
3am
66
66
54
6am
54
54
54
9am
54
34
Air Quality Index Trend
46h · 5 stnPorterville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
15.9%
Humidity
61.3 km/h
Wind N
1012.5 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.8 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Porterville?
Temperature & Precipitation
PM2.5 Trend
46h · 5 stationsPM2.54.8 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (1 station within 25 km)
4.8
Median
4.8
Average
4.8
Low
4.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.2
What is the 7-day forecast for Porterville?
05-28
34.9° 10.4°
05-29
36.3° 11.4°
05-30
31.6° 18.0°
05-31
38.9° 21.6°
06-01
43.0° 14.6°
06-02
37.3° 11.0°
06-03
37.1° 7.8°
Both models agree
Avg diff: 4.9°C
Where are air quality stations near Porterville?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T22:51 UTC.