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Air quality in Williamstown
Air quality index (AQI) and PM2.5 air pollution in Williamstown
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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 | Broken clouds |
| Temperature | 48.2°F |
| Humidity | 67% |
| Wind | 3.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  San Bernardino, California | 82 |
| 2 | Signal Hill, California | 80 |
| 3 | Redlands, California | 79 |
| 4 | Downey, California | 77 |
| 5 | Fontana, California | 77 |
| 6 | La Habra, California | 76 |
| 7 | San Gabriel, California | 76 |
| 8 | Monterey Park, California | 74 |
| 9 | South Gate, California | 74 |
| 10 | Claremont, California | 72 |
(local time)
SEE WORLD AQI RANKING
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US AQI
14*
live AQI index
Good
Overview
What is the current air quality in Williamstown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 14* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.5*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 14 AQI US |  70% | 59° 42.8° |  8.9 mp/h |
| Sunday, May 12 | Good 12 AQI US | | 51.8° 42.8° | 4.5 mp/h |
| Monday, May 13 | Good 15 AQI US | 100% | 59° 37.4° | 6.7 mp/h |
| Tuesday, May 14 | Moderate 58 AQI US  | 100% | 55.4° 48.2° | 6.7 mp/h |
| Wednesday, May 15 | Good 42 AQI US | 100% | 59° 50° | 4.5 mp/h |
| Thursday, May 16 | Good 43 AQI US | | 64.4° 41° | 8.9 mp/h |
| Friday, May 17 | Good 8 AQI US | | 66.2° 41° | 4.5 mp/h |
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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