Today | Weather | Wednesday, February 25, 2026

Weather in Plainfield, New Jersey

11:19 PM
Now
Cloudy Night
32° F
Feels Like 27°
Precipitation 0 %
Wind 7 mph
Humidity 89 %
Today
Snowy Weather
Day 45°
Night 32°
Precipitation 66 %
Wind 7 mph
UV Index (0 - 11+) 2
Overnight Frost 3 AM – 8 AM

Plainfield Weather Forecast Updated

Air Quality in Plainfield

NOW
34 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.05 µg/m³
PM10 11.5 µg/m³
O3 0.033 ppm
NO2 8.8 ppb
SO2 0.4 ppb
CO 0.22 ppm
NH3 0.46 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.58.05 µg/m³
PM1011.5 µg/m³
O365.58 µg/m³
NO216.57 µg/m³
SO21.09 µg/m³
CO251.47 µg/m³
NH30.46 µg/m³
NO0 µg/m³