Today | Weather | Monday, July 20, 2026

Weather in Union City, New Jersey

05:25 PM
Now
Cloudy Weather
81° F
Feels Like 82°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 3
Humidity 36 %
Today
Sunny Weather
Day 82°
Night 72°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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

22 minutes ago
Last updated on

Air Quality in Union City

NOW
89 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.16 µg/m³
PM10 7.64 µg/m³
O3 0.067 ppm
NO2 0.9 ppb
SO2 0.5 ppb
CO 0.11 ppm
NH3 0.19 µg/m³
NO 0.22 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)
PM2.57.16 µg/m³
PM107.64 µg/m³
O3130.63 µg/m³
NO21.68 µg/m³
SO21.43 µg/m³
CO121.96 µg/m³
NH30.19 µg/m³
NO0.22 µg/m³