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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 |
Source: tomorrow.io
Weather
What is the current weather in Merrimack?
| Weather | Broken clouds |
| Temperature | 46.4°F |
| Humidity | 72% |
| Wind | 0 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 85 |
| 2 | Flagstaff, Arizona | 69 |
| 3 | Port Arthur, Texas | 69 |
| 4 | Galveston, Texas | 67 |
| 5 | Rapid City, South Dakota | 65 |
| 6 | Claremont, California | 63 |
| 7 | La Verne, California | 63 |
| 8 | Hot Springs, South Dakota | 62 |
| 9 | Las Cruces, New Mexico | 62 |
| 10 | Pahrump, Nevada | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
10*
live AQI index
Good
Overview
What is the current air quality in Merrimack?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 10* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.8*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 10 AQI US | | 55.4° 39.2° |  6.7 mp/h |
| Saturday, May 11 | Good 15 AQI US | | 53.6° 39.2° | 4.5 mp/h |
| Sunday, May 12 | Good 22 AQI US |  30% | 62.6° 39.2° | 6.7 mp/h |
| Monday, May 13 | Good 46 AQI US | 100% | 59° 46.4° | 6.7 mp/h |
| Tuesday, May 14 | Good 47 AQI US | 100% | 57.2° 53.6° | 8.9 mp/h |
| Wednesday, May 15 | Good 47 AQI US |  | 66.2° 48.2° | 13.4 mp/h |
| Thursday, May 16 | Good 10 AQI US | | 69.8° 44.6° | 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 Merrimack?
No locations are available.
AQI US, Metric