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 Williamstown
Air quality index (AQI) and PM2.5 air pollution in Williamstown
15 people follow this city
Williamstown Air Quality Map
Real-time Williamstown air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Williamstown today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Williamstown?
| Weather | Clear sky |
| Temperature | 66.2°F |
| Humidity | 53% |
| Wind | 0 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 96 |
| 2 | Glendora, California | 91 |
| 3 | Mecca, California | 91 |
| 4 | Claremont, California | 83 |
| 5 | San Bernardino, California | 83 |
| 6 | Pahrump, Nevada | 82 |
| 7 | La Verne, California | 81 |
| 8 | San Fernando, California | 81 |
| 9 | Glendale, California | 80 |
| 10 | North Hollywood, California | 80 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
20*
live AQI index
Good
Overview
What is the current air quality in Williamstown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 20* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.7*µg/m³ | |
✓
PM2.5 concentration in Williamstown air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Williamstown?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Williamstown air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 20 AQI US | | 77° 46.4° |  8.9 mp/h |
| Sunday, Jun 2 | Good 32 AQI US |  | 78.8° 50° | 4.5 mp/h |
| Monday, Jun 3 | Good 50 AQI US | | 78.8° 53.6° | 4.5 mp/h |
| Tuesday, Jun 4 | Moderate 61 AQI US  |  40% | 77° 53.6° | 4.5 mp/h |
| Wednesday, Jun 5 | Moderate 69 AQI US | | 80.6° 53.6° | 4.5 mp/h |
| Thursday, Jun 6 | Good 48 AQI US | | 78.8° 57.2° | 11.2 mp/h |
| Friday, Jun 7 | Good 16 AQI US | 100% | 68° 59° | 11.2 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 Williamstown?
No locations are available.
AQI US, Metric