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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 | Clear sky |
| Temperature | 53.6°F |
| Humidity | 74% |
| Wind | 1 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Mecca, California | 82 |
| 2 | Casa Grande, Arizona | 74 |
| 3 | Palm Desert, California | 71 |
| 4 | Coachella, California | 60 |
| 5 | Calexico, California | 58 |
| 6 | Anchorage, Alaska | 56 |
| 7 | North Hollywood, California | 54 |
| 8 | Aliso Viejo, California | 53 |
| 9 | Indio, California | 53 |
| 10 | La Habra, California | 53 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
39*
live AQI index
Good
Overview
What is the current air quality in Union?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 39* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.3*µg/m³ | |
!
PM2.5
x1.9
PM2.5 concentration in Union is currently 1.9 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 39 AQI US |  | 82.4° 51.8° |  2.2 mp/h |
| Friday, May 3 | Good 43 AQI US |  30% | 78.8° 55.4° | 6.7 mp/h |
| Saturday, May 4 | Moderate 53 AQI US  | 100% | 60.8° 57.2° | 4.5 mp/h |
| Sunday, May 5 | Moderate 55 AQI US | 50% | 77° 57.2° | 6.7 mp/h |
| Monday, May 6 | Moderate 75 AQI US | 100% | 69.8° 57.2° | 2.2 mp/h |
| Tuesday, May 7 | Moderate 78 AQI US | 90% | 73.4° 55.4° | 4.5 mp/h |
| Wednesday, May 8 | Moderate 78 AQI US | 40% | 84.2° 60.8° | 11.2 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