Today | Weather | Thursday, February 5, 2026

Weather in Plainfield, New Jersey

08:33 PM
Now
Night
18° F
Feels Like 16°
Precipitation 0 %
Wind 4 mph
Humidity 76 %
Today
Sunny Weather
Day 36°
Night 12°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3

Plainfield Weather Forecast Updated

Air Quality in Plainfield

NOW
99 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 34.85 µg/m³
PM10 42.78 µg/m³
O3 0.005 ppm
NO2 39.2 ppb
SO2 1.9 ppb
CO 0.48 ppm
NH3 4.36 µg/m³
NO 0.99 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.534.85 µg/m³
PM1042.78 µg/m³
O310.44 µg/m³
NO273.74 µg/m³
SO24.88 µg/m³
CO548.5 µg/m³
NH34.36 µg/m³
NO0.99 µg/m³