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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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Waterloo?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 92% |
| Wind | 15.3 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Boerne, Texas | 74 |
| 2 | San Antonio, Texas | 71 |
| 3 | Springville, California | 71 |
| 4 | Sequoia National Park, California | 68 |
| 5 | Porterville, California | 67 |
| 6 | Georgetown, Texas | 66 |
| 7 | Three Rivers, California | 66 |
| 8 | Leander, Texas | 62 |
| 9 | Anchorage, Alaska | 60 |
| 10 | Fairbanks, Alaska | 59 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
56*
live AQI index
Moderate
Overview
What is the current air quality in Waterloo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 56* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.3*µg/m³ | |
!
PM2.5
x2.9
PM2.5 concentration in Waterloo is currently 2.9 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 56 AQI US |  100% | 59° 44.6° |  15.7 mp/h |
| Friday, Apr 19 | Good 10 AQI US  |  | 55.4° 41° | 13.4 mp/h |
| Saturday, Apr 20 | Good 6 AQI US | | 59° 39.2° | 6.7 mp/h |
| Sunday, Apr 21 | Good 13 AQI US |  | 66.2° 42.8° | 8.9 mp/h |
| Monday, Apr 22 | Good 14 AQI US | 100% | 64.4° 50° | 15.7 mp/h |
| Tuesday, Apr 23 | Good 28 AQI US | | 53.6° 37.4° | 15.7 mp/h |
| Wednesday, Apr 24 | Good 8 AQI US | | 59° 37.4° | 8.9 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