Air quality in Union

Air quality index (AQI) and PM2.5 air pollution in Union

LAST UPDATE (local time)

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Air Quality contributors Sources

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*IQAir’s AQI data modeled using satellite data. Learn more

Union does not have air sensor data

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Weather

What is the current weather in Union?

WeatherBroken clouds
Temperature39.2°C
Humidity60%
Wind4.7 mp/h
Pressure1023 mb

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 Irvine, California

214

2 Fullerton, California

187

3 Signal Hill, California

183

4 Long Beach, California

181

5 San Pedro, California

179

6 Placentia, California

176

7 Anaheim, California

173

8 San Joaquin Hills, California

170

9 Newport Beach, California

162

10 Lakewood, California

160

(local time)

SEE WORLD AQI RANKING

live Union aqi ranking

Real-time Union air quality ranking

City AQI based on satellite data. No ground level station currently available in Union.

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US AQI

17 *

live AQI index
Good

Overview

What is the current air quality in Union?

Air pollution levelAir quality indexMain pollutant
Good17 US AQIPM2.5
PollutantsConcentration
PM2.5
4.1 µg/m³

Health Recommendations

How to protect from air pollution in Union?

Open your windows to bring clean, fresh air indoors
Enjoy outdoor activities

Forecast

Union air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Wednesday, Dec 2

Good 16 US AQI

face icon
weather icon39.2°28.4°

4.5 mp/h

Today

Good 15 US AQI

face icon
weather icon42.8°33.8°

4.5 mp/h

Friday, Dec 4

Moderate 70 US AQI

face icon
weather icon39.2°30.2°

4.5 mp/h

Saturday, Dec 5

Moderate 88 US AQI

face icon
weather icon39.2°28.4°

2.2 mp/h

Sunday, Dec 6

Moderate 92 US AQI

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weather icon35.6°30.2°

6.7 mp/h

Monday, Dec 7

Unhealthy for Sensitive Groups 125 US AQI

face icon
weather icon37.4°26.6°

4.5 mp/h

Tuesday, Dec 8

Unhealthy for Sensitive Groups 122 US AQI

face icon
weather icon42.8°28.4°

11.2 mp/h

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Historical

Historic air quality graph for Union

How to best protect from air pollution?

Reduce your air pollution exposure in Union

Where is the cleanest air quality in Union?