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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 | 60.8°F |
| Humidity | 68% |
| Wind | 9.2 mp/h |
| Pressure | 30.4 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Orleans, California | 289 |
| 2 | Cave Junction, Oregon | 172 |
| 3 | Grants Pass, Oregon | 148 |
| 4 | Fort Bragg, California | 132 |
| 5 | Foster City, California | 131 |
| 6 | Burlingame, California | 130 |
| 7 | Hillsborough, California | 130 |
| 8 | Emerald Lake Hills, California | 128 |
| 9 | Crockett, California | 127 |
| 10 | Mendocino, California | 127 |
(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 | 20 |
| 2 | Chelmsford | 17 |
| 3 | North Chelmsford | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
17
live AQI index
Good
Overview
What is the current air quality near Chelmsford, Massachusetts?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 17 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4µg/m³ | |
| O3 | 40µg/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 |
|---|---|---|---|---|
| Tuesday, Sep 19 | Good 16 AQI US | |||
| Wednesday, Sep 20 | Good 21 AQI US | |||
| Thursday, Sep 21 | Good 26 AQI US | |||
| Today | Good 17 AQI US |  | 68° 51.8° |  6.7 mp/h |
| Saturday, Sep 23 | Good 27 AQI US | | 60.8° 50° | 6.7 mp/h |
| Sunday, Sep 24 | Good 16 AQI US | | 66.2° 51.8° | 4.5 mp/h |
| Monday, Sep 25 | Good 39 AQI US | | 66.2° 48.2° | 11.2 mp/h |
| Tuesday, Sep 26 | Good 26 AQI US | | 60.8° 44.6° | 8.9 mp/h |
| Wednesday, Sep 27 | Good 10 AQI US | | 66.2° 42.8° | 4.5 mp/h |
| Thursday, Sep 28 | Good 15 AQI US | | 64.4° 44.6° | 6.7 mp/h |
| Friday, Sep 29 | Good 22 AQI US | | 59° 50° | 8.9 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