Air Quality in Union City, United States
Drizzle
32.6°C · 31.9% humidity
32.6°
Feels 32.6°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
27
3pm
27
27
27
6pm
27
27
25
9pm
25
25
25
12am
25
25
24
3am
24
24
24
6am
24
24
24
9am
24
24
24
12pm
24
24
Air Quality Index Trend
48h · 1 stnUnion City's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
31.9%
Humidity
28.1 km/h
Wind W
1015.0 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Union City?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
What is the 7-day forecast for Union City?
05-29
35.7° 18.8°
10.75 mm
05-30
32.6° 22.6°
0.62 mm
05-31
32.5° 19.3°
0.38 mm
06-01
32.1° 16.5°
06-02
33.7° 20.2°
06-03
30.7° 25.8°
06-04
31.1° 24.3°
0.13 mm
Both models agree
Avg diff: 4.2°C
Where are air quality stations near Union City?
What cities are near Union City?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T22:38 UTC.