Union City Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Union City

Alameda County, California

2026-06-29 18:00

CAQI (Europe)

Low

Pollutants|Pollens

PM2.5

μg/m³

18

Weather

25℃

51%

10 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

Get the App

Air Matters

Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby