Get a monitor and contributor to air quality data in your city.
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
9 people follow this city
Williamson Air Quality Map
Real-time Williamson air pollution map
Pollen
What is the pollen count in Williamson today?
 | Index | Very high | |
 | Tree pollen | Low | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Williamson?
| Weather | Clear sky |
| Temperature | 71.6°F |
| Humidity | 91% |
| Wind | 6.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 129 |
| 2 | Mission, Texas | 107 |
| 3 | New Braunfels, Texas | 106 |
| 4 | Boerne, Texas | 104 |
| 5 | San Antonio, Texas | 101 |
| 6 | Georgetown, Texas | 97 |
| 7 | Marina del Rey, California | 91 |
| 8 | Round Rock, Texas | 90 |
| 9 | Austin, Texas | 89 |
| 10 | Cedar Park, Texas | 89 |
(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 | Georgia Station | 18 |
(local time)
SEE WORLD AQI RANKING
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Williamson?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.2*µg/m³ | |
| O3 | 44*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Williamson is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Williamson?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Williamson air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 55 AQI US |  100% | 84.2° 64.4° |  8.9 mp/h |
| Wednesday, Jun 5 | Moderate 63 AQI US |  | 87.8° 62.6° | 8.9 mp/h |
| Thursday, Jun 6 | Moderate 60 AQI US | 100% | 87.8° 66.2° | 11.2 mp/h |
| Friday, Jun 7 | Good 49 AQI US  | 50% | 86° 62.6° | 11.2 mp/h |
| Saturday, Jun 8 | Moderate 53 AQI US |  | 86° 57.2° | 8.9 mp/h |
| Sunday, Jun 9 | Moderate 61 AQI US | 30% | 89.6° 68° | 11.2 mp/h |
| Monday, Jun 10 | Moderate 70 AQI US | 100% | 80.6° 64.4° | 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