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Air quality in Chelmsford
Air quality index (AQI) and PM2.5 air pollution in Chelmsford
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Chelmsford Air Quality Map
Real-time Chelmsford air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in 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 Chelmsford?
| Weather | Broken clouds |
| Temperature | 51.8°F |
| Humidity | 73% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Apple Valley, California | 88 |
| 2 | Hesperia, California | 84 |
| 3 | San Antonio, Texas | 83 |
| 4 | New York City, New York | 77 |
| 5 | Victorville, California | 75 |
| 6 | Boerne, Texas | 73 |
| 7 | Princeton, New Jersey | 70 |
| 8 | Barstow, California | 61 |
| 9 | Georgetown, Texas | 61 |
| 10 | Yosemite Np Turtleback Dome, California | 61 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Chelmsford aqi ranking
Real-time Chelmsford air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | North Chelmsford | 19 |
| 2 | Chelmsford Station | 16 |
| 3 | Carlisle Street | 15 |
(local time)
SEE WORLD AQI RANKING
US AQI
17
live AQI index
Good
Overview
What is the current air quality in Chelmsford?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 17 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.1µg/m³ | |
✓
PM2.5 concentration in Chelmsford air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Chelmsford?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Chelmsford air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, Apr 27 | Good 29 AQI US |  | 71.6° 44.6° |  6.7 mp/h |
| Sunday, Apr 28 | Good 27 AQI US | | 71.6° 57.2° | 8.9 mp/h |
| Monday, Apr 29 | Good 18 AQI US | | 53.6° 44.6° | 6.7 mp/h |
| Today | Good 17 AQI US | 70% | 53.6° 44.6° | 6.7 mp/h |
| Wednesday, May 1 | Good 34 AQI US | 100% | 57.2° 42.8° | 6.7 mp/h |
| Thursday, May 2 | Good 37 AQI US | | 69.8° 44.6° | 11.2 mp/h |
| Friday, May 3 | Good 23 AQI US | | 57.2° 46.4° | 6.7 mp/h |
| Saturday, May 4 | Good 39 AQI US | | 51.8° 46.4° | 4.5 mp/h |
| Sunday, May 5 | Good 19 AQI US | 100% | 51.8° 46.4° | 4.5 mp/h |
| Monday, May 6 | Good 18 AQI US | 70% | 71.6° 48.2° | 8.9 mp/h |
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News
The latest air quality news and resources.
Chelmsford air quality data attribution
Data validated and calibrated by IQAirWhere is the cleanest air quality in Chelmsford?
AQI US, Metric