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 Catherine
Air quality index (AQI) and PM2.5 air pollution in Catherine
36 people follow this city
Catherine Air Quality Map
Real-time Catherine air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Catherine today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Catherine?
| Weather | Broken clouds |
| Temperature | 60.8°F |
| Humidity | 63% |
| Wind | 5.7 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hamilton, Ontario | 56 |
| 2 | Burlington, Ontario | 52 |
| 3 | Guelph, Ontario | 52 |
| 4 | Windsor, Ontario | 51 |
| 5 | Oshawa, Ontario | 49 |
| 6 | Rouyn-Noranda, Quebec | 47 |
| 7 | La Tuque, Quebec | 46 |
| 8 | Laval, Quebec | 45 |
| 9 | Peace River, Alberta | 45 |
| 10 | Montreal, Quebec | 44 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
22*
live AQI index
Good
Overview
What is the current air quality in Catherine?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 22* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.1*µg/m³ | |
✓
PM2.5 concentration in Catherine air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Catherine?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Catherine air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 31 | Good 22 AQI US |  | 71.6° 46.4° |  6.7 mp/h |
| Today | Good 22 AQI US | | 75.2° 48.2° | 6.7 mp/h |
| Sunday, Jun 2 | Good 50 AQI US | | 75.2° 53.6° | 6.7 mp/h |
| Monday, Jun 3 | Good 29 AQI US |  30% | 75.2° 51.8° | 6.7 mp/h |
| Tuesday, Jun 4 | Good 36 AQI US | 40% | 78.8° 55.4° | 4.5 mp/h |
| Wednesday, Jun 5 | Moderate 77 AQI US  | 80% | 78.8° 57.2° | 11.2 mp/h |
| Thursday, Jun 6 | Moderate 74 AQI US | 100% | 64.4° 51.8° | 4.5 mp/h |
| Friday, Jun 7 | Good 24 AQI US | 100% | 64.4° 48.2° | 4.5 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 Catherine?
No locations are available.
AQI US, Metric