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Air quality in Dorchester
Air quality index (AQI) and PM2.5 air pollution in Dorchester
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Dorchester Air Quality Map
Real-time Dorchester air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Dorchester today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Dorchester?
| Weather | Broken clouds |
| Temperature | 60.8°F |
| Humidity | 95% |
| Wind | 8.1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | London, Ontario | 67 |
| 2 | Montreal, Quebec | 50 |
| 3 | Windsor, Ontario | 45 |
| 4 | Kitchener, Ontario | 41 |
| 5 | Calgary, Alberta | 38 |
| 6 | St. Albert, Alberta | 38 |
| 7 | Hamilton, Ontario | 37 |
| 8 | Regina, Saskatchewan | 37 |
| 9 | Courtenay, British Columbia | 35 |
| 10 | Fredericton, New Brunswick | 35 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
44*
live AQI index
Good
Overview
What is the current air quality in Dorchester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 44* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.7*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Dorchester is currently 2.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Dorchester?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Dorchester air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 44 AQI US |  100% | 71.6° 55.4° |  15.7 mp/h |
| Tuesday, Apr 30 | Good 35 AQI US | 60% | 68° 53.6° | 11.2 mp/h |
| Wednesday, May 1 | Good 33 AQI US | | 68° 48.2° | 11.2 mp/h |
| Thursday, May 2 | Good 42 AQI US | | 71.6° 55.4° | 8.9 mp/h |
| Friday, May 3 | Moderate 61 AQI US  | 100% | 73.4° 51.8° | 17.9 mp/h |
| Saturday, May 4 | Moderate 58 AQI US | 100% | 66.2° 53.6° | 13.4 mp/h |
| Sunday, May 5 | Good 18 AQI US | 20% | 68° 51.8° | 13.4 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Dorchester?
No locations are available.
AQI US, Metric