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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Williamson?
| Weather | Scattered clouds |
| Temperature | 48.2°F |
| Humidity | 92% |
| Wind | 2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Lancaster, California | 85 |
| 2 | Boerne, Texas | 78 |
| 3 | New York City, New York | 77 |
| 4 | San Antonio, Texas | 76 |
| 5 | Princeton, New Jersey | 75 |
| 6 | Mecca, California | 72 |
| 7 | Barstow, California | 69 |
| 8 | Trenton, New Jersey | 68 |
| 9 | Reston, Virginia | 66 |
| 10 | Apple Valley, California | 65 |
(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 | 20 |
(local time)
SEE WORLD AQI RANKING
US AQI
30*
live AQI index
Good
Overview
What is the current air quality in Williamson?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 30* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.3*µg/m³ | |
| O3 | 50*µg/m³ | |
!
PM2.5
x1.5
PM2.5 concentration in Williamson is currently 1.5 times 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 30 AQI US |  100% | 50° 42.8° |  8.9 mp/h |
| Wednesday, May 1 | Good 32 AQI US | 30% | 57.2° 41° | 6.7 mp/h |
| Thursday, May 2 | Good 24 AQI US | | 55.4° 46.4° | 15.7 mp/h |
| Friday, May 3 | Good 23 AQI US | 90% | 64.4° 42.8° | 8.9 mp/h |
| Saturday, May 4 | Moderate 59 AQI US  | 50% | 59° 51.8° | 13.4 mp/h |
| Sunday, May 5 | Moderate 67 AQI US | 100% | 59° 44.6° | 15.7 mp/h |
| Monday, May 6 | Moderate 57 AQI US |  | 51.8° 41° | 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 Williamson?
AQI US, Metric