Today | Weather | Wednesday, March 18, 2026

Weather in Trenton, New Jersey

05:16 AM
Now
Night
27° F
Feels Like 21°
Precipitation 0 %
Wind 7 mph
Humidity 52 %
Today
Cloudy Weather
Day 39°
Night 25°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 5
Tomorrow Morning Frost 3 AM – 3 AM

Trenton Weather Forecast Updated

57 minutes ago
Last updated on

Air Quality in Trenton

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.29 µg/m³
PM10 4.49 µg/m³
O3 0.046 ppm
NO2 2.8 ppb
SO2 1.3 ppb
CO 0.16 ppm
NH3 2.19 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)
PM2.52.29 µg/m³
PM104.49 µg/m³
O391 µg/m³
NO25.28 µg/m³
SO23.46 µg/m³
CO182.23 µg/m³
NH32.19 µg/m³
NO0 µg/m³