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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 | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Union?
| Weather | Broken clouds |
| Temperature | 41°F |
| Humidity | 91% |
| Wind | 3.2 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Boerne, Texas | 80 |
| 2 | San Antonio, Texas | 75 |
| 3 | Braddock, Pennsylvania | 62 |
| 4 | Fort Worth, Texas | 59 |
| 5 | Charleston, West Virginia | 58 |
| 6 | Urbana, Illinois | 58 |
| 7 | Casa Grande, Arizona | 57 |
| 8 | Champaign, Illinois | 57 |
| 9 | Corpus Christi, Texas | 56 |
| 10 | Marietta, Ohio | 56 |
(local time)
SEE WORLD AQI RANKING
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US AQI
18*
live AQI index
Good
Overview
What is the current air quality in Union?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 18* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.3*µg/m³ | |
✓
PM2.5 concentration in Union air currently meets the WHO annual air quality guideline value
Forecast
Union air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 18 AQI US |  30% | 57.2° 41° |  11.2 mp/h |
| Monday, Apr 29 | Good 25 AQI US | | 62.6° 42.8° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 4 AQI US | | 44.6° 37.4° | 4.5 mp/h |
| Wednesday, May 1 | Good 8 AQI US | 60% | 57.2° 37.4° | 6.7 mp/h |
| Thursday, May 2 | Good 8 AQI US | | 60.8° 37.4° | 4.5 mp/h |
| Friday, May 3 | Good 14 AQI US | 70% | 50° 42.8° | 6.7 mp/h |
| Saturday, May 4 | Good 12 AQI US | | 55.4° 39.2° | 6.7 mp/h |
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Where is the cleanest air quality in Union?
No locations are available.
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AQI US, Metric