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 Williamsport
Air quality index (AQI) and PM2.5 air pollution in Williamsport
21 people follow this city
Williamsport Air Quality Map
Real-time Williamsport air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Williamsport today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Williamsport?
| Weather | Broken clouds |
| Temperature | 68°F |
| Humidity | 82% |
| Wind | 16.6 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Marana, Arizona | 61 |
| 2 | San Antonio, Texas | 60 |
| 3 | Braddock, Pennsylvania | 59 |
| 4 | Corpus Christi, Texas | 59 |
| 5 | Urbana, Illinois | 59 |
| 6 | Champaign, Illinois | 58 |
| 7 | Beaver, Pennsylvania | 56 |
| 8 | Charleston, West Virginia | 56 |
| 9 | The Woodlands, Texas | 55 |
| 10 | Casa Grande, Arizona | 53 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Williamsport?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.2*µg/m³ | |
!
PM2.5
x2.8
PM2.5 concentration in Williamsport is currently 2.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Williamsport?
 | 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
Williamsport air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 55 AQI US |  100% | 75.2° 64.4° |  20.1 mp/h |
| Monday, Apr 29 | Good 47 AQI US  | 90% | 69.8° 60.8° | 17.9 mp/h |
| Tuesday, Apr 30 | Good 14 AQI US |  | 73.4° 53.6° | 6.7 mp/h |
| Wednesday, May 1 | Good 36 AQI US | 100% | 80.6° 59° | 11.2 mp/h |
| Thursday, May 2 | Moderate 60 AQI US | 90% | 78.8° 62.6° | 15.7 mp/h |
| Friday, May 3 | Moderate 65 AQI US | 100% | 71.6° 64.4° | 13.4 mp/h |
| Saturday, May 4 | Good 12 AQI US | 100% | 64.4° 50° | 22.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Williamsport?
No locations are available.
AQI US, Metric