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Air quality in Union
Air quality index (AQI) and PM2.5 air pollution in Union
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Union Air Quality Map
Real-time Union air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Union today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Weather
What is the current weather in Union?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 94% |
| Wind | 4.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | South Gate, California | 110 |
| 2 | Visalia, California | 88 |
| 3 | Porterville, California | 85 |
| 4 | El Centro, California | 80 |
| 5 | San Bernardino, California | 77 |
| 6 | Palm Desert, California | 75 |
| 7 | San Fernando, California | 75 |
| 8 | Corpus Christi, Texas | 73 |
| 9 | Van Nuys, California | 73 |
| 10 | North Hollywood, California | 71 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Union?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.8*µg/m³ | |
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PM2.5
x2.8
PM2.5 concentration in Union is currently 2.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Union?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Union air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 55 AQI US |  50% | 82.4° 60.8° |  6.7 mp/h |
| Saturday, Apr 20 | Moderate 57 AQI US | 100% | 59° 50° | 6.7 mp/h |
| Sunday, Apr 21 | Moderate 57 AQI US | 100% | 57.2° 44.6° | 11.2 mp/h |
| Monday, Apr 22 | Good 27 AQI US  |  | 66.2° 42.8° | 4.5 mp/h |
| Tuesday, Apr 23 | Good 38 AQI US | | 73.4° 46.4° | 6.7 mp/h |
| Wednesday, Apr 24 | Moderate 71 AQI US | 50% | 77° 55.4° | 4.5 mp/h |
| Thursday, Apr 25 | Moderate 77 AQI US | | 77° 51.8° | 4.5 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Union?
No locations are available.
AQI US, Metric