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Air quality in Waterloo
Air quality index (AQI) and PM2.5 air pollution in Waterloo
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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Waterloo?
| Weather | Broken clouds |
| Temperature | 51.8°F |
| Humidity | 89% |
| Wind | 3.4 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 68 |
| 2 | Nipomo, California | 64 |
| 3 | The Woodlands, Texas | 63 |
| 4 | Baton Rouge, Louisiana | 61 |
| 5 | Austin, Texas | 58 |
| 6 | Carlisle, Pennsylvania | 58 |
| 7 | Frederick, Maryland | 58 |
| 8 | Buffalo, New York | 57 |
| 9 | Harrisburg, Pennsylvania | 57 |
| 10 | Lancaster, Pennsylvania | 57 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
45*
live AQI index
Good
Overview
What is the current air quality in Waterloo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 45* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Waterloo is currently 2.2 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 |
|---|---|---|---|---|
| Today | Good 45 AQI US |  100% | 64.4° 50° |  20.1 mp/h |
| Monday, Apr 29 | Good 9 AQI US |  | 66.2° 41° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 20 AQI US | 100% | 68° 55.4° | 15.7 mp/h |
| Wednesday, May 1 | Good 40 AQI US | 100% | 60.8° 50° | 17.9 mp/h |
| Thursday, May 2 | Moderate 73 AQI US  | 100% | 64.4° 53.6° | 13.4 mp/h |
| Friday, May 3 | Good 25 AQI US | 40% | 57.2° 44.6° | 17.9 mp/h |
| Saturday, May 4 | Good 12 AQI US |  | 62.6° 39.2° | 6.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Waterloo?
No locations are available.
AQI US, Metric