Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Marathon
Air quality index (AQI) and PM2.5 air pollution in Marathon
101 people follow this city
Marathon Air Quality Map
Real-time Marathon air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Marathon today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Marathon?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 43% |
| Wind | 19.6 mp/h |
| Pressure | 29.7 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
37*
live AQI index
Good
Overview
What is the current air quality in Marathon?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 37* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.8*µg/m³ | |
!
PM2.5
x1.4
PM2.5 concentration in Marathon is currently 1.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Marathon?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Marathon air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 37 AQI US |  100% | 73.4° 46.4° |  17.9 mp/h |
| Sunday, May 19 | Good 32 AQI US | 100% | 53.6° 42.8° | 13.4 mp/h |
| Monday, May 20 | Good 19 AQI US | 100% | 53.6° 41° | 6.7 mp/h |
| Tuesday, May 21 | Good 40 AQI US | 100% | 57.2° 48.2° | 13.4 mp/h |
| Wednesday, May 22 | Good 31 AQI US | 100% | 55.4° 37.4° | 11.2 mp/h |
| Thursday, May 23 | Good 6 AQI US | 70% | 50° 37.4° | 11.2 mp/h |
| Friday, May 24 | Good 10 AQI US | 60% | 46.4° 37.4° | 8.9 mp/h |
| Saturday, May 25 | Good 12 AQI US | 100% | 66.2° 46.4° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Marathon?
No locations are available.
AQI US, Metric