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 Welland
Air quality index (AQI) and PM2.5 air pollution in Welland
710 people follow this city
Welland Air Quality Map
Real-time Welland air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Welland today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Welland?
| Weather | Broken clouds |
| Temperature | 57.2°F |
| Humidity | 90% |
| Wind | 3.1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Kitchener, Ontario | 74 |
| 2 | London, Ontario | 62 |
| 3 | Waterloo, Ontario | 59 |
| 4 | Montreal, Quebec | 50 |
| 5 | Oshawa, Ontario | 50 |
| 6 | Quebec City, Quebec | 47 |
| 7 | Hamilton, Ontario | 45 |
| 8 | Windsor, Ontario | 45 |
| 9 | Levis, Quebec | 38 |
| 10 | Laval, Quebec | 36 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
51*
live AQI index
Moderate
Overview
What is the current air quality in Welland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 51* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.3*µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in Welland is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Welland?
 | 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
Welland air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 51 AQI US |  90% | 69.8° 51.8° |  8.9 mp/h |
| Monday, Apr 29 | Good 41 AQI US  | 100% | 59° 48.2° | 8.9 mp/h |
| Tuesday, Apr 30 | Moderate 53 AQI US | | 60.8° 48.2° | 6.7 mp/h |
| Wednesday, May 1 | Good 40 AQI US | | 66.2° 51.8° | 4.5 mp/h |
| Thursday, May 2 | Moderate 61 AQI US | 80% | 73.4° 51.8° | 8.9 mp/h |
| Friday, May 3 | Moderate 63 AQI US | 100% | 64.4° 50° | 11.2 mp/h |
| Saturday, May 4 | Good 34 AQI US | | 64.4° 48.2° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Welland?
No locations are available.
AQI US, Metric