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Air quality in North Chelmsford
Air quality index (AQI) and PM2.5 air pollution in North Chelmsford
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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 | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 75% |
| Wind | 4.6 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 302 |
| 2 | Corpus Christi, Texas | 95 |
| 3 | Coachella, California | 90 |
| 4 | Lubbock, Texas | 84 |
| 5 | Thermal, California | 82 |
| 6 | Campo, California | 77 |
| 7 | Dundalk, Maryland | 70 |
| 8 | Pahrump, Nevada | 69 |
| 9 | San Antonio, Texas | 68 |
| 10 | Lothian, Maryland | 67 |
(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 | 17 |
(local time)
SEE WORLD AQI RANKING
US AQI
57*
live AQI index
Moderate
Overview
What is the current air quality in North Chelmsford?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.5*µg/m³ | |
| O3 | 42*µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in North Chelmsford is currently 2.5 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 57 AQI US |  40% | 80.6° 60.8° |  8.9 mp/h |
| Friday, May 24 | Good 43 AQI US  |  | 80.6° 55.4° | 13.4 mp/h |
| Saturday, May 25 | Good 24 AQI US | | 78.8° 51.8° | 8.9 mp/h |
| Sunday, May 26 | Moderate 60 AQI US | 40% | 77° 57.2° | 6.7 mp/h |
| Monday, May 27 | Moderate 51 AQI US | 50% | 59° 51.8° | 8.9 mp/h |
| Tuesday, May 28 | Moderate 63 AQI US | 100% | 53.6° 51.8° | 8.9 mp/h |
| Wednesday, May 29 | Moderate 62 AQI US | 100% | 69.8° 55.4° | 11.2 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 North Chelmsford?
AQI US, Metric