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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 |
Source: tomorrow.io
Weather
What is the current weather in Union?
| Weather | Broken clouds |
| Temperature | 71.6°F |
| Humidity | 97% |
| Wind | 4.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Glendora, California | 91 |
| 2 | Claremont, California | 90 |
| 3 | Corpus Christi, Texas | 90 |
| 4 | Mecca, California | 88 |
| 5 | Redlands, California | 86 |
| 6 | Pasadena, California | 83 |
| 7 | San Bernardino, California | 82 |
| 8 | Glendale, California | 81 |
| 9 | San Fernando, California | 80 |
| 10 | La Verne, California | 77 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
49*
live AQI index
Good
Overview
What is the current air quality in Union?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 49* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 8.9*µg/m³ | |
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PM2.5
x1.8
PM2.5 concentration in Union is currently 1.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Union?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Union air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 49 AQI US |  100% | 86° 64.4° |  4.5 mp/h |
| Sunday, Jun 2 | Moderate 54 AQI US  | 100% | 87.8° 66.2° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 59 AQI US | 100% | 86° 68° | 6.7 mp/h |
| Tuesday, Jun 4 | Moderate 60 AQI US | 100% | 91.4° 68° | 8.9 mp/h |
| Wednesday, Jun 5 | Moderate 73 AQI US | | 89.6° 69.8° | 8.9 mp/h |
| Thursday, Jun 6 | Moderate 65 AQI US | 70% | 87.8° 71.6° | 6.7 mp/h |
| Friday, Jun 7 | Moderate 64 AQI US | 70% | 84.2° 62.6° | 8.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Union?
No locations are available.
AQI US, Metric