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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
4 Anonymous contributors
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Pollen
What is the pollen count in Decorah today?
 | Index | High | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | High |
Weather
What is the current weather in Decorah?
| Weather | Broken clouds |
| Temperature | 62.6°F |
| Humidity | 100% |
| Wind | 4.6 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Little Rock, Arkansas | 88 |
| 2 | San Bernardino, California | 75 |
| 3 | Midlothian, Texas | 72 |
| 4 | Redlands, California | 72 |
| 5 | Fontana, California | 71 |
| 6 | Lewisville, Texas | 71 |
| 7 | Shreveport, Louisiana | 71 |
| 8 | Yucaipa, California | 71 |
| 9 | Clinton, Iowa | 70 |
| 10 | Loretto, Tennessee | 70 |
(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 | Decorah Street Department | 48 |
| 2 | T-Bock’s Sports Bar & Grill | 45 |
| 3 | 5th Avenue | 42 |
| 4 | Jefferson Street | 36 |
(local time)
SEE WORLD AQI RANKING
US AQI
44
live AQI index
Good
Overview
What is the current air quality in Decorah?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 44 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.6µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Decorah is currently 2.1 times the WHO annual air quality guideline value
Health Recommendations
How to protect from air pollution in Decorah?
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
 | Enjoy outdoor activities |
News
The latest air quality news and resources.
Forecast
Decorah air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Sep 25 | Good 11 AQI US |  | 64.4° 57.2° |  11.2 mp/h |
| Tuesday, Sep 26 | Good 37 AQI US | | 64.4° 55.4° | 11.2 mp/h |
| Wednesday, Sep 27 | Good 28 AQI US | | 71.6° 57.2° | 11.2 mp/h |
| Today | Good 44 AQI US | | 71.6° 57.2° | 11.2 mp/h |
| Friday, Sep 29 | Moderate 55 AQI US  | | 80.6° 55.4° | 15.7 mp/h |
| Saturday, Sep 30 | Moderate 60 AQI US | 80% | 86° 64.4° | 13.4 mp/h |
| Sunday, Oct 1 | Moderate 64 AQI US | 80% | 86° 66.2° | 8.9 mp/h |
| Monday, Oct 2 | Moderate 71 AQI US | | 86° 66.2° | 11.2 mp/h |
| Tuesday, Oct 3 | Moderate 68 AQI US | | 84.2° 62.6° | 13.4 mp/h |
| Wednesday, Oct 4 | Moderate 72 AQI US | 40% | 71.6° 59° | 15.7 mp/h |
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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