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 Williamson
Air quality index (AQI) and PM2.5 air pollution in Williamson
25 people follow this city
Williamson Air Quality Map
Real-time Williamson air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Williamson today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Williamson?
| Weather | Clear sky |
| Temperature | 71.6°F |
| Humidity | 52% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Fuquay-Varina, North Carolina | 108 |
| 2 | San Bernardino, California | 84 |
| 3 | Fontana, California | 75 |
| 4 | Santa Clarita, California | 73 |
| 5 | Castaic, California | 72 |
| 6 | Val Verde, California | 71 |
| 7 | Mecca, California | 70 |
| 8 | Yucaipa, California | 68 |
| 9 | Pahrump, Nevada | 63 |
| 10 | Simi Valley, California | 63 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Williamson aqi ranking
Real-time Williamson air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Williamson Station | 31 |
(local time)
SEE WORLD AQI RANKING
US AQI
29*
live AQI index
Good
Overview
What is the current air quality in Williamson?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 29* US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.8*µg/m³ | |
| O3 | 72*µg/m³ | |
✓
PM2.5 concentration in Williamson air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Williamson?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Williamson air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 29 AQI US |  | 71.6° 46.4° |  8.9 mp/h |
| Saturday, May 4 | Good 44 AQI US | | 59° 50° | 15.7 mp/h |
| Sunday, May 5 | Good 21 AQI US |  100% | 53.6° 48.2° | 15.7 mp/h |
| Monday, May 6 | Good 35 AQI US | 70% | 53.6° 46.4° | 6.7 mp/h |
| Tuesday, May 7 | Good 23 AQI US | | 53.6° 44.6° | 6.7 mp/h |
| Wednesday, May 8 | Good 44 AQI US | 70% | 51.8° 46.4° | 6.7 mp/h |
| Thursday, May 9 | Good 8 AQI US | | 55.4° 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 Williamson?
AQI US, Metric