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 Waterloo
Air quality index (AQI) and PM2.5 air pollution in Waterloo
10 people follow this city
Waterloo Air Quality Map
Real-time Waterloo air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Waterloo?
| Weather | Broken clouds |
| Temperature | 78.8°F |
| Humidity | 79% |
| Wind | 6.5 mp/h |
| Pressure | 29.8 Hg |
3D animated air pollution map
Spotlight
There is a fire near Mofure. Protect yourself from wildfire smoke and follow health recommendations. Click here.
US AQI
57*
live AQI index
Moderate
Overview
What is the current air quality in Waterloo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.9*µg/m³ | |
!
PM2.5
x3
PM2.5 concentration in Waterloo is currently 3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Waterloo?
 | 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
Waterloo air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 57 AQI US | | 89.6° 77° |  8.9 mp/h |
| Monday, Apr 29 | Moderate 75 AQI US |  30% | 89.6° 78.8° | 11.2 mp/h |
| Tuesday, Apr 30 | Moderate 82 AQI US | 40% | 87.8° 78.8° | 11.2 mp/h |
| Wednesday, May 1 | Moderate 78 AQI US | 60% | 87.8° 78.8° | 8.9 mp/h |
| Thursday, May 2 | Moderate 79 AQI US | 40% | 87.8° 77° | 8.9 mp/h |
| Friday, May 3 | Moderate 86 AQI US | 50% | 86° 78.8° | 8.9 mp/h |
| Saturday, May 4 | Moderate 93 AQI US | 50% | 86° 78.8° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Waterloo?
No locations are available.
AQI US, Metric