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Air quality in Decorah
Air quality index (AQI) and PM2.5 air pollution in Decorah
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Decorah Air Quality Map
Real-time Decorah air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Decorah today?
 | Index | Very high | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | Very high |
Weather
What is the current weather in Decorah?
| Weather | Few clouds |
| Temperature | 66.2°F |
| Humidity | 100% |
| Wind | 0 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Rohnert Park, California | 156 |
| 2 | Cotati, California | 147 |
| 3 | Windsor, California | 146 |
| 4 | El Verano, California | 137 |
| 5 | Sebastopol, California | 137 |
| 6 | Eldridge, California | 135 |
| 7 | Petaluma, California | 135 |
| 8 | Santa Rosa, California | 135 |
| 9 | Humboldt, California | 132 |
| 10 | Roseland, California | 132 |
(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 | 5th Avenue | 68 |
| 2 | Decorah Street Department | 67 |
| 3 | T-Bock’s Sports Bar & Grill | 64 |
| 4 | Jefferson Street | 63 |
(local time)
SEE WORLD AQI RANKING
US AQI
65
live AQI index
Moderate
Overview
What is the current air quality in Decorah?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 65 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 19µg/m³ | |
!
PM2.5
x3.8
PM2.5 concentration in Decorah is currently 3.8 times the WHO annual air quality guideline value
Health Recommendations
How to protect from air pollution in Decorah?
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should reduce outdoor exercise |
News
The latest air quality news and resources.
Forecast
Decorah air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Sep 18 | Moderate 57 AQI US |  | 78.8° 55.4° |  13.4 mp/h |
| Tuesday, Sep 19 | Moderate 63 AQI US | | 80.6° 57.2° | 13.4 mp/h |
| Wednesday, Sep 20 | Moderate 65 AQI US | | 84.2° 57.2° | 17.9 mp/h |
| Today | Moderate 65 AQI US | 30% | 84.2° 57.2° | 17.9 mp/h |
| Friday, Sep 22 | Good 50 AQI US  | 100% | 82.4° 55.4° | 15.7 mp/h |
| Saturday, Sep 23 | Good 49 AQI US | 100% | 80.6° 60.8° | 20.1 mp/h |
| Sunday, Sep 24 | Moderate 61 AQI US | 100% | 68° 53.6° | 15.7 mp/h |
| Monday, Sep 25 | Moderate 60 AQI US | 90% | 57.2° 53.6° | 11.2 mp/h |
| Tuesday, Sep 26 | Moderate 55 AQI US |  | 73.4° 48.2° | 11.2 mp/h |
| Wednesday, Sep 27 | Moderate 78 AQI US | | 71.6° 44.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
Historical
Historic air quality graph for Decorah
How to best protect from air pollution?
Decorah air quality data attribution
4Contributors
- 4 Anonymous contributors
4 stations
4 Anonymous
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Decorah?
AQI US, Metric