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Air quality in Decorah
Air quality index (AQI) and PM2.5 air pollution in Decorah
154 people follow this city
Decorah Air Quality Map
Real-time Decorah air pollution map
AIR QUALITY DATA CONTRIBUTORS
Anonymous contributor
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Pollen
What is the pollen count in Decorah today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Decorah?
| Weather | Rain |
| Temperature | 55.4°F |
| Humidity | 100% |
| Wind | 12.7 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 82 |
| 2 | Georgetown, Texas | 69 |
| 3 | The Woodlands, Texas | 65 |
| 4 | Phoenix, Arizona | 64 |
| 5 | Waynesville, North Carolina | 64 |
| 6 | Gatlinburg, Tennessee | 63 |
| 7 | Chattanooga, Tennessee | 62 |
| 8 | Round Rock, Texas | 61 |
| 9 | Alpharetta, Georgia | 60 |
| 10 | Austin, Texas | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Decorah aqi ranking
Real-time Decorah air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Luther College (Valders) | 62 |
| 2 | 5th Avenue | 58 |
| 3 | Decorah Street Department | 53 |
| 4 | Jefferson Street | 49 |
(local time)
SEE WORLD AQI RANKING
US AQI
58
live AQI index
Moderate
Overview
What is the current air quality in Decorah?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 58 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15.3µg/m³ | |
!
PM2.5
x3.1
PM2.5 concentration in Decorah is currently 3.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Decorah?
 | 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
Decorah air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Apr 24 | Good 36 AQI US  |  | 60.8° 37.4° |  13.4 mp/h |
| Thursday, Apr 25 | Good 39 AQI US |  | 53.6° 42.8° | 22.4 mp/h |
| Friday, Apr 26 | Good 33 AQI US | | 69.8° 53.6° | 20.1 mp/h |
| Today | Moderate 58 AQI US | 100% | 69.8° 53.6° | 20.1 mp/h |
| Sunday, Apr 28 | Good 32 AQI US | 100% | 55.4° 48.2° | 15.7 mp/h |
| Monday, Apr 29 | Good 25 AQI US | 90% | 53.6° 44.6° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 8 AQI US | 100% | 73.4° 42.8° | 15.7 mp/h |
| Wednesday, May 1 | Good 15 AQI US | 70% | 69.8° 46.4° | 8.9 mp/h |
| Thursday, May 2 | Good 12 AQI US | 100% | 57.2° 50° | 13.4 mp/h |
| Friday, May 3 | Good 9 AQI US | 100% | 64.4° 46.4° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Decorah air quality data attribution
4Contributors
- 4 Anonymous contributors
4 stations
4 Anonymous Contributors
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Decorah?
AQI US, Metric