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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 | Clear sky |
| Temperature | 57.2°F |
| Humidity | 31% |
| Wind | 11.5 mp/h |
| Pressure | 30.4 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Coachella, California | 102 |
| 2 | Victorville, California | 94 |
| 3 | Barstow, California | 83 |
| 4 | Palm Desert, California | 81 |
| 5 | Boerne, Texas | 76 |
| 6 | San Antonio, Texas | 73 |
| 7 | Indio, California | 72 |
| 8 | Chattanooga, Tennessee | 71 |
| 9 | Palm Springs, California | 69 |
| 10 | Tonasket, Washington | 68 |
(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 | Chelmsford Station | 34 |
| 2 | Carlisle Street | 23 |
| 3 | North Chelmsford | 23 |
(local time)
SEE WORLD AQI RANKING
US AQI
23
live AQI index
Good
Overview
What is the current air quality in Chelmsford?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 23 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.5µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Chelmsford is currently 1.1 times 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 |
|---|---|---|---|---|
| Tuesday, Apr 23 | Good 28 AQI US |  | 59° 41° |  13.4 mp/h |
| Wednesday, Apr 24 | Good 30 AQI US | | 53.6° 30.2° | 8.9 mp/h |
| Thursday, Apr 25 | Good 23 AQI US | | 57.2° 32° | 6.7 mp/h |
| Today | Good 23 AQI US | | 57.2° 32° | 6.7 mp/h |
| Saturday, Apr 27 | Good 19 AQI US |  | 64.4° 35.6° | 6.7 mp/h |
| Sunday, Apr 28 | Good 32 AQI US | 30% | 66.2° 44.6° | 6.7 mp/h |
| Monday, Apr 29 | Moderate 55 AQI US  | 30% | 60.8° 53.6° | 4.5 mp/h |
| Tuesday, Apr 30 | Good 44 AQI US | 100% | 51.8° 42.8° | 6.7 mp/h |
| Wednesday, May 1 | Moderate 54 AQI US | 100% | 59° 42.8° | 4.5 mp/h |
| Thursday, May 2 | Moderate 58 AQI US |  | 77° 46.4° | 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