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Air quality in Merrimack
Air quality index (AQI) and PM2.5 air pollution in Merrimack
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Merrimack Air Quality Map
Real-time Merrimack air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Merrimack today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Merrimack?
| Weather | Broken clouds |
| Temperature | 57.2°F |
| Humidity | 51% |
| Wind | 10.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | San Bernardino, California | 91 |
| 2 | Corpus Christi, Texas | 79 |
| 3 | Redlands, California | 78 |
| 4 | Yucaipa, California | 78 |
| 5 | Fontana, California | 75 |
| 6 | San Fernando, California | 73 |
| 7 | Beverly Hills, California | 72 |
| 8 | Riverside, California | 72 |
| 9 | Santa Clarita, California | 70 |
| 10 | The Woodlands, Texas | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
12*
live AQI index
Good
Overview
What is the current air quality in Merrimack?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 12* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.9*µg/m³ | |
✓
PM2.5 concentration in Merrimack air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Merrimack?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Merrimack air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 12 AQI US |  40% | 57.2° 41° |  8.9 mp/h |
| Saturday, Apr 20 | Good 17 AQI US | 100% | 57.2° 41° | 11.2 mp/h |
| Sunday, Apr 21 | Good 8 AQI US | | 55.4° 35.6° | 11.2 mp/h |
| Monday, Apr 22 | Good 9 AQI US |  | 53.6° 35.6° | 8.9 mp/h |
| Tuesday, Apr 23 | Good 9 AQI US | | 60.8° 33.8° | 11.2 mp/h |
| Wednesday, Apr 24 | Good 10 AQI US | 90% | 59° 39.2° | 11.2 mp/h |
| Thursday, Apr 25 | Good 10 AQI US | 60% | 46.4° 28.4° | 11.2 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Merrimack?
No locations are available.
AQI US, Metric