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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 | 55.4°F |
| Humidity | 59% |
| Wind | 13.8 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Downey, California | 84 |
| 2 | La Habra, California | 80 |
| 3 | San Gabriel, California | 80 |
| 4 | La Mirada, California | 78 |
| 5 | Hot Springs, South Dakota | 75 |
| 6 | Monterey Park, California | 75 |
| 7 | Alhambra, California | 73 |
| 8 | Riverside, California | 71 |
| 9 | San Bernardino, California | 71 |
| 10 | Claremont, California | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
13*
live AQI index
Good
Overview
What is the current air quality in Merrimack?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 13* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.3*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 13 AQI US | | 55.4° 39.2° |  8.9 mp/h |
| Sunday, May 12 | Good 21 AQI US | | 57.2° 39.2° | 2.2 mp/h |
| Monday, May 13 | Good 24 AQI US |  90% | 64.4° 46.4° | 6.7 mp/h |
| Tuesday, May 14 | Good 42 AQI US | 100% | 73.4° 48.2° | 11.2 mp/h |
| Wednesday, May 15 | Good 29 AQI US | 100% | 59° 55.4° | 6.7 mp/h |
| Thursday, May 16 | Good 41 AQI US | 60% | 68° 50° | 13.4 mp/h |
| Friday, May 17 | Good 10 AQI US |  | 71.6° 46.4° | 6.7 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