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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 | 62.6°F |
| Humidity | 42% |
| Wind | 9.2 mp/h |
| Pressure | 30.4 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 90 |
| 2 | San Antonio, Texas | 83 |
| 3 | Barstow, California | 78 |
| 4 | Boerne, Texas | 78 |
| 5 | Columbia, South Carolina | 72 |
| 6 | Georgetown, Texas | 68 |
| 7 | Aiken, South Carolina | 67 |
| 8 | Gatlinburg, Tennessee | 66 |
| 9 | Round Rock, Texas | 66 |
| 10 | Leander, Texas | 65 |
(local time)
SEE WORLD AQI RANKING
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US AQI
25*
live AQI index
Good
Overview
What is the current air quality in Mercersburg?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6*µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Mercersburg is currently 1.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Mercersburg?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Mercersburg air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 25 AQI US | | 62.6° 39.2° |  11.2 mp/h |
| Saturday, Apr 27 | Good 19 AQI US |  100% | 50° 39.2° | 8.9 mp/h |
| Sunday, Apr 28 | Good 47 AQI US | 60% | 78.8° 46.4° | 4.5 mp/h |
| Monday, Apr 29 | Moderate 61 AQI US  | 90% | 80.6° 57.2° | 2.2 mp/h |
| Tuesday, Apr 30 | Moderate 59 AQI US | 100% | 75.2° 59° | 8.9 mp/h |
| Wednesday, May 1 | Moderate 73 AQI US | 70% | 75.2° 53.6° | 2.2 mp/h |
| Thursday, May 2 | Good 44 AQI US | 100% | 73.4° 59° | 2.2 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Mercersburg?
No locations are available.
AQI US, Metric