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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 CONTRIBUTORS
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Pollen
What is the pollen count in Waterloo today?
 | Index | Moderate | |
 | Tree pollen | Low | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Waterloo?
| Weather | Broken clouds |
| Temperature | 62.6°F |
| Humidity | 78% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Claremont, California | 83 |
| 2 | Redlands, California | 81 |
| 3 | Glendora, California | 80 |
| 4 | San Fernando, California | 79 |
| 5 | Glendale, California | 78 |
| 6 | Pasadena, California | 78 |
| 7 | San Bernardino, California | 78 |
| 8 | Coachella, California | 77 |
| 9 | North Hollywood, California | 77 |
| 10 | Alhambra, California | 75 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Waterloo aqi ranking
Real-time Waterloo air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Waterloo, Water Tower | 56 |
| 2 | Mohawk Street | 40 |
(local time)
SEE WORLD AQI RANKING
US AQI
52
live AQI index
Moderate
Overview
What is the current air quality in Waterloo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.6µg/m³ | |
!
PM2.5
x1.9
PM2.5 concentration in Waterloo is currently 1.9 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 |
|---|---|---|---|---|
| Wednesday, May 29 | Good 26 AQI US  | | 73.4° 50° |  13.4 mp/h |
| Thursday, May 30 | Good 33 AQI US | | 77° 55.4° | 13.4 mp/h |
| Friday, May 31 | Moderate 55 AQI US |  | 69.8° 60.8° | 4.5 mp/h |
| Today | Moderate 52 AQI US | 90% | 69.8° 60.8° | 4.5 mp/h |
| Sunday, Jun 2 | Moderate 62 AQI US | | 75.2° 57.2° | 13.4 mp/h |
| Monday, Jun 3 | Moderate 60 AQI US | 100% | 78.8° 62.6° | 17.9 mp/h |
| Tuesday, Jun 4 | Moderate 53 AQI US | 100% | 82.4° 66.2° | 15.7 mp/h |
| Wednesday, Jun 5 | Good 23 AQI US | 100% | 75.2° 57.2° | 24.6 mp/h |
| Thursday, Jun 6 | Good 10 AQI US | 60% | 64.4° 55.4° | 20.1 mp/h |
| Friday, Jun 7 | Good 7 AQI US | | 60.8° 53.6° | 20.1 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Waterloo air quality data attribution
Data validated and calibrated by IQAirWhere is the cleanest air quality in Waterloo?
AQI US, Metric