Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Purifiers
For Business
News
Support
Air quality near Chelmsford, North Chelmsford
Air quality index (AQI) and PM2.5 air pollution near Chelmsford, North Chelmsford
94 people follow this station
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 Chelmsford today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near Chelmsford, North Chelmsford?
| Weather | Broken clouds |
| Temperature | 46.4°F |
| Humidity | 84% |
| Wind | 5.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Mecca, California | 83 |
| 2 | Corpus Christi, Texas | 80 |
| 3 | Palm Desert, California | 66 |
| 4 | Baton Rouge, Louisiana | 60 |
| 5 | Dover, Delaware | 60 |
| 6 | Coachella, California | 59 |
| 7 | Middletown, Ohio | 59 |
| 8 | Casa Grande, Arizona | 57 |
| 9 | North Hollywood, California | 57 |
| 10 | La Habra, California | 56 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time North Chelmsford air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Chelmsford | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
16
live AQI index
Good
Overview
What is the current air quality near Chelmsford, North Chelmsford?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 16 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| O3 | 40µg/m³ | |
Forecast
Chelmsford, North Chelmsford air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 29 | Good 18 AQI US | |||
| Tuesday, Apr 30 | Good 22 AQI US | |||
| Wednesday, May 1 | Good 14 AQI US | |||
| Today | Good 16 AQI US |  70% | 71.6° 44.6° |  8.9 mp/h |
| Friday, May 3 | Good 33 AQI US | | 60.8° 46.4° | 6.7 mp/h |
| Saturday, May 4 | Good 16 AQI US | | 59° 44.6° | 8.9 mp/h |
| Sunday, May 5 | Good 8 AQI US | 100% | 46.4° 44.6° | 4.5 mp/h |
| Monday, May 6 | Good 30 AQI US | | 71.6° 46.4° | 4.5 mp/h |
| Tuesday, May 7 | Moderate 59 AQI US  |  | 75.2° 50° | 4.5 mp/h |
| Wednesday, May 8 | Moderate 60 AQI US | 80% | 78.8° 57.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
Chelmsford air quality data attribution
Contributor
Government Contributor
Where is the cleanest air quality in North Chelmsford?
No locations are available.
Connect With IQAir
Sign up for our newsletter
AQI US, Metric