Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Fairfax
Air quality index (AQI) and PM2.5 air pollution in Fairfax
7 people follow this city
Fairfax Air Quality Map
Real-time Fairfax air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Fairfax today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Fairfax?
| Weather | Few clouds |
| Temperature | 37.4°F |
| Humidity | 94% |
| Wind | 1.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Bethlehem, Pennsylvania | 90 |
| 2 | Coopersburg, Pennsylvania | 83 |
| 3 | Princeton, New Jersey | 83 |
| 4 | Quakertown, Pennsylvania | 79 |
| 5 | Trenton, New Jersey | 78 |
| 6 | Casa Grande, Arizona | 74 |
| 7 | Mecca, California | 74 |
| 8 | Allentown, Pennsylvania | 68 |
| 9 | Ferdinand, Indiana | 63 |
| 10 | Ashburn, Virginia | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
9*
live AQI index
Good
Overview
What is the current air quality in Fairfax?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 9* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.2*µg/m³ | |
✓
PM2.5 concentration in Fairfax air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Fairfax?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Fairfax air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 9 AQI US |  100% | 64.4° 37.4° |  17.9 mp/h |
| Wednesday, May 1 | Good 14 AQI US |  | 62.6° 44.6° | 22.4 mp/h |
| Thursday, May 2 | Good 16 AQI US | 100% | 53.6° 46.4° | 20.1 mp/h |
| Friday, May 3 | Good 7 AQI US |  | 59° 42.8° | 17.9 mp/h |
| Saturday, May 4 | Good 6 AQI US | 100% | 59° 44.6° | 13.4 mp/h |
| Sunday, May 5 | Good 5 AQI US |  | 68° 44.6° | 13.4 mp/h |
| Monday, May 6 | Good 4 AQI US | | 77° 53.6° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Fairfax?
No locations are available.
AQI US, Metric