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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Union?
| Weather | Clear sky |
| Temperature | 50°F |
| Humidity | 94% |
| Wind | 0.3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Braddock, Pennsylvania | 103 |
| 2 | Maricopa, Arizona | 91 |
| 3 | Canton, Ohio | 87 |
| 4 | Palm Desert, California | 84 |
| 5 | Mecca, California | 81 |
| 6 | Townsend, Tennessee | 80 |
| 7 | Casa Grande, Arizona | 77 |
| 8 | Pahrump, Nevada | 73 |
| 9 | New Braunfels, Texas | 70 |
| 10 | San Antonio, Texas | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
15*
live AQI index
Good
Overview
What is the current air quality in Union?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 15* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.6*µg/m³ | |
✓
PM2.5 concentration in Union air currently meets 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 15 AQI US |  | 68° 48.2° |  6.7 mp/h |
| Tuesday, May 21 | Good 28 AQI US |  100% | 71.6° 48.2° | 8.9 mp/h |
| Wednesday, May 22 | Moderate 63 AQI US  | 100% | 80.6° 55.4° | 8.9 mp/h |
| Thursday, May 23 | Moderate 63 AQI US | 100% | 73.4° 57.2° | 8.9 mp/h |
| Friday, May 24 | Good 33 AQI US |  | 71.6° 48.2° | 13.4 mp/h |
| Saturday, May 25 | Good 8 AQI US | | 69.8° 42.8° | 8.9 mp/h |
| Sunday, May 26 | Good 15 AQI US |  | 64.4° 46.4° | 8.9 mp/h |
Interested in hourly forecast? Get the app
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