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
9 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
Pollen
What is the pollen count in Waterloo today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Waterloo?
| Weather | Broken clouds |
| Temperature | 71.6°F |
| Humidity | 67% |
| Wind | 1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Fuquay-Varina, North Carolina | 151 |
| 2 | Arroyo Grande, California | 108 |
| 3 | Nipomo, California | 95 |
| 4 | Orcutt, California | 83 |
| 5 | New York City, New York | 59 |
| 6 | Cary, North Carolina | 55 |
| 7 | Corpus Christi, Texas | 55 |
| 8 | Trenton, New Jersey | 54 |
| 9 | Tampa, Florida | 53 |
| 10 | Wilmington, Delaware | 51 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
28*
live AQI index
Good
Overview
What is the current air quality in Waterloo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 28* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.8*µg/m³ | |
!
PM2.5
x1.4
PM2.5 concentration in Waterloo is currently 1.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Waterloo?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Waterloo air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Apr 28 | Good 28 AQI US |  100% | 71.6° 57.2° |  6.7 mp/h |
| Today | Good 28 AQI US |  | 75.2° 51.8° | 8.9 mp/h |
| Tuesday, Apr 30 | Good 37 AQI US | 90% | 82.4° 57.2° | 8.9 mp/h |
| Wednesday, May 1 | Moderate 57 AQI US  | 100% | 78.8° 62.6° | 15.7 mp/h |
| Thursday, May 2 | Good 42 AQI US | 100% | 69.8° 55.4° | 8.9 mp/h |
| Friday, May 3 | Good 26 AQI US | 100% | 78.8° 50° | 8.9 mp/h |
| Saturday, May 4 | Moderate 65 AQI US | | 66.2° 59° | 6.7 mp/h |
| Sunday, May 5 | Good 44 AQI US | 100% | 66.2° 55.4° | 8.9 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