Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in North Chelmsford
Air quality index (AQI) and PM2.5 air pollution in North Chelmsford
1.2K people follow this city
North Chelmsford Air Quality Map
Real-time North Chelmsford air pollution map
Pollen
What is the pollen count in North Chelmsford today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in North Chelmsford?
| Weather | Clear sky |
| Temperature | 64.4°F |
| Humidity | 74% |
| Wind | 5.7 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Campo, California | 94 |
| 2 | Mecca, California | 90 |
| 3 | Detroit, Michigan | 87 |
| 4 | Corpus Christi, Texas | 78 |
| 5 | Lubbock, Texas | 78 |
| 6 | Palm Desert, California | 78 |
| 7 | Michigan City, Indiana | 76 |
| 8 | Pahrump, Nevada | 73 |
| 9 | Baytown, Texas | 66 |
| 10 | Boerne, Texas | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live North Chelmsford aqi ranking
Real-time North Chelmsford air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Chelmsford | 30 |
(local time)
SEE WORLD AQI RANKING
US AQI
56*
live AQI index
Moderate
Overview
What is the current air quality in North Chelmsford?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 56* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12*µg/m³ | |
| O3 | 74*µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in North Chelmsford is currently 2.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in North Chelmsford?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
North Chelmsford air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 56 AQI US |  | 80.6° 57.2° |  8.9 mp/h |
| Tuesday, Jun 4 | Good 34 AQI US  |  30% | 75.2° 51.8° | 8.9 mp/h |
| Wednesday, Jun 5 | Good 47 AQI US | 30% | 80.6° 53.6° | 8.9 mp/h |
| Thursday, Jun 6 | Good 27 AQI US | | 71.6° 55.4° | 8.9 mp/h |
| Friday, Jun 7 | Good 39 AQI US | 20% | 69.8° 53.6° | 8.9 mp/h |
| Saturday, Jun 8 | Moderate 57 AQI US | 100% | 57.2° 53.6° | 6.7 mp/h |
| Sunday, Jun 9 | Moderate 54 AQI US | 100% | 68° 53.6° | 2.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in North Chelmsford?
AQI US, Metric