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Air quality near Chelmsford, Massachusetts
Air quality index (AQI) and PM2.5 air pollution near Chelmsford, Massachusetts
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Air Quality Map
Real-time Chelmsford air pollution map
AIR QUALITY DATA CONTRIBUTORS
Station operated by
Massachusetts Department of Environmental Protection (MassDEP)
Government
Pollen
What is the pollen count in Massachusetts today?
 | Index | High | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | High |
Weather
What is the current weather near Chelmsford, Massachusetts?
| Weather | Clear sky |
| Temperature | 57.2°F |
| Humidity | 78% |
| Wind | 0 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Baton Rouge, Louisiana | 104 |
| 2 | Pensacola, Florida | 102 |
| 3 | Little Rock, Arkansas | 90 |
| 4 | Ocala, Florida | 86 |
| 5 | Tallahassee, Florida | 85 |
| 6 | Charlotte, North Carolina | 83 |
| 7 | Colfax, Louisiana | 82 |
| 8 | Lancaster, Pennsylvania | 82 |
| 9 | New Orleans, Louisiana | 81 |
| 10 | St Louis, Missouri | 81 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time Chelmsford air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Carlisle Street | 64 |
| 2 | North Chelmsford | 57 |
| 3 | Chelmsford | 41 |
(local time)
SEE WORLD AQI RANKING
US AQI
41
live AQI index
Good
Overview
What is the current air quality near Chelmsford, Massachusetts?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 41 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10µg/m³ | |
Health Recommendations
How to protect from air pollution in Chelmsford?
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
 | Enjoy outdoor activities |
News
The latest air quality news and resources.
Forecast
Chelmsford, Massachusetts air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Oct 1 | Moderate 58 AQI US  | |||
| Monday, Oct 2 | Good 31 AQI US | |||
| Tuesday, Oct 3 | Good 40 AQI US | |||
| Today | Good 41 AQI US |  | 80.6° 57.2° |  4.5 mp/h |
| Thursday, Oct 5 | Moderate 63 AQI US |  | 78.8° 59° | 6.7 mp/h |
| Friday, Oct 6 | Good 47 AQI US |  70% | 71.6° 59° | 6.7 mp/h |
| Saturday, Oct 7 | Good 19 AQI US | 100% | 64.4° 57.2° | 8.9 mp/h |
| Sunday, Oct 8 | Good 11 AQI US | 100% | 53.6° 46.4° | 13.4 mp/h |
| Monday, Oct 9 | Good 13 AQI US | | 53.6° 44.6° | 11.2 mp/h |
| Tuesday, Oct 10 | Good 16 AQI US | 20% | 60.8° 44.6° | 6.7 mp/h |
Interested in hourly forecast? Get the app
Historical
Historic air quality graph: Chelmsford, Massachusetts
How to best protect from air pollution?
Chelmsford air quality data attribution
Contributor
Government
Where is the cleanest air quality in Chelmsford?
AQI US, Metric