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Air quality in Mercersburg
Air quality index (AQI) and PM2.5 air pollution in Mercersburg
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Mercersburg Air Quality Map
Real-time Mercersburg air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Mercersburg today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Mercersburg?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 83% |
| 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 | 88 |
| 2 | The Woodlands, Texas | 69 |
| 3 | Glendale, California | 68 |
| 4 | Redlands, California | 68 |
| 5 | Houston, Texas | 67 |
| 6 | San Bernardino, California | 67 |
| 7 | Yucaipa, California | 67 |
| 8 | Altadena, California | 66 |
| 9 | La Crescenta-Montrose, California | 66 |
| 10 | La Habra, California | 66 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
54*
live AQI index
Moderate
Overview
What is the current air quality in Mercersburg?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.6*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Mercersburg is currently 2.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Mercersburg?
 | 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
Mercersburg air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 54 AQI US |  100% | 64.4° 57.2° |  2.2 mp/h |
| Sunday, May 19 | Moderate 64 AQI US | 40% | 71.6° 57.2° | 2.2 mp/h |
| Monday, May 20 | Moderate 69 AQI US | | 75.2° 55.4° | 6.7 mp/h |
| Tuesday, May 21 | Moderate 67 AQI US |  | 78.8° 55.4° | 6.7 mp/h |
| Wednesday, May 22 | Moderate 64 AQI US | 40% | 82.4° 57.2° | 8.9 mp/h |
| Thursday, May 23 | Moderate 70 AQI US | 100% | 75.2° 59° | 6.7 mp/h |
| Friday, May 24 | Good 46 AQI US  | | 73.4° 53.6° | 2.2 mp/h |
| Saturday, May 25 | Moderate 63 AQI US | | 73.4° 53.6° | 8.9 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 Mercersburg?
No locations are available.
AQI US, Metric