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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 | Scattered clouds |
| Temperature | 73.4°F |
| Humidity | 61% |
| Wind | 5.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Grimshaw, Alberta | 59 |
| 2 | Valemount, British Columbia | 54 |
| 3 | Hamilton, Ontario | 51 |
| 4 | Waterloo, Ontario | 51 |
| 5 | Kitchener, Ontario | 49 |
| 6 | London, Ontario | 49 |
| 7 | Leduc, Alberta | 46 |
| 8 | Mississauga, Ontario | 46 |
| 9 | Oshawa, Ontario | 45 |
| 10 | Rouyn-Noranda, Quebec | 44 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Dorchester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.2*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Dorchester is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Dorchester?
 | 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
Dorchester air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 55 AQI US |  | 75.2° 53.6° |  6.7 mp/h |
| Sunday, May 19 | Moderate 65 AQI US |  40% | 77° 55.4° | 6.7 mp/h |
| Monday, May 20 | Moderate 63 AQI US | 30% | 77° 59° | 8.9 mp/h |
| Tuesday, May 21 | Moderate 63 AQI US | 30% | 78.8° 62.6° | 13.4 mp/h |
| Wednesday, May 22 | Moderate 58 AQI US | 100% | 75.2° 57.2° | 17.9 mp/h |
| Thursday, May 23 | Good 31 AQI US  | 100% | 62.6° 51.8° | 13.4 mp/h |
| Friday, May 24 | Good 16 AQI US | | 69.8° 48.2° | 6.7 mp/h |
| Saturday, May 25 | Good 26 AQI US | | 75.2° 51.8° | 8.9 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 Dorchester?
No locations are available.
AQI US, Metric