Today | Weather | Monday, April 27, 2026

Weather in Union City, New Jersey

06:01 PM
Now
Cloudy Weather
63° F
Feels Like 63°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 2
Humidity 40 %
Today
Sunny Weather
Day 66°
Night 46°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Union City Weather Forecast Updated

Last updated on

Air Quality in Union City

NOW
105 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 9.6 µg/m³
PM10 11.02 µg/m³
O3 0.071 ppm
NO2 1.4 ppb
SO2 0.7 ppb
CO 0.14 ppm
NH3 0.29 µg/m³
NO 0.19 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.59.6 µg/m³
PM1011.02 µg/m³
O3140.22 µg/m³
NO22.61 µg/m³
SO21.82 µg/m³
CO158.82 µg/m³
NH30.29 µg/m³
NO0.19 µg/m³