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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 | Rain |
| Temperature | 68°F |
| Humidity | 92% |
| Wind | 3.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Yucaipa, California | 83 |
| 2 | San Bernardino, California | 77 |
| 3 | Redlands, California | 73 |
| 4 | Anchorage, Alaska | 72 |
| 5 | Pasadena, California | 71 |
| 6 | La Crescenta-Montrose, California | 70 |
| 7 | Lake Arrowhead, California | 70 |
| 8 | The Woodlands, Texas | 70 |
| 9 | La Canada Flintridge, California | 69 |
| 10 | Sierra Madre, California | 68 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
53*
live AQI index
Moderate
Overview
What is the current air quality in Union?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 53* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.2*µg/m³ | |
!
PM2.5
x2.6
PM2.5 concentration in Union is currently 2.6 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 53 AQI US | 100% | 68° 50° |  4.5 mp/h |
| Saturday, Apr 20 | Good 44 AQI US  |  | 57.2° 39.2° | 13.4 mp/h |
| Sunday, Apr 21 | Good 11 AQI US | | 53.6° 35.6° | 8.9 mp/h |
| Monday, Apr 22 | Good 13 AQI US |  | 59° 32° | 4.5 mp/h |
| Tuesday, Apr 23 | Good 19 AQI US | | 64.4° 37.4° | 8.9 mp/h |
| Wednesday, Apr 24 | Good 18 AQI US | 100% | 50° 35.6° | 13.4 mp/h |
| Thursday, Apr 25 | Good 10 AQI US | | 53.6° 28.4° | 11.2 mp/h |
| Friday, Apr 26 | Good 7 AQI US | 100% | 55.4° 32° | 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