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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
Anonymous contributor
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Pollen
What is the pollen count in Decorah today?
 | Index | Very high | |
 | Tree pollen | Low | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Decorah?
| Weather | Broken clouds |
| Temperature | 60.8°F |
| Humidity | 82% |
| Wind | 0 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 Decorah aqi ranking
Real-time Decorah air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Luther College (Valders) | 33 |
| 2 | 5th Avenue | 30 |
| 3 | Jefferson Street | 26 |
(local time)
SEE WORLD AQI RANKING
US AQI
30
live AQI index
Good
Overview
What is the current air quality in Decorah?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 30 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.4µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Decorah is currently 1.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Decorah?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Decorah air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 21 AQI US | | 71.6° 50° |  13.4 mp/h |
| Thursday, May 30 | Good 30 AQI US |  | 75.2° 51.8° | 11.2 mp/h |
| Friday, May 31 | Good 41 AQI US | | 69.8° 59° | 6.7 mp/h |
| Today | Good 30 AQI US | 90% | 69.8° 59° | 6.7 mp/h |
| Sunday, Jun 2 | Moderate 63 AQI US  | | 73.4° 55.4° | 11.2 mp/h |
| Monday, Jun 3 | Moderate 61 AQI US | 90% | 77° 62.6° | 17.9 mp/h |
| Tuesday, Jun 4 | Moderate 53 AQI US | 100% | 80.6° 64.4° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 23 AQI US | 100% | 71.6° 57.2° | 20.1 mp/h |
| Thursday, Jun 6 | Good 9 AQI US | 90% | 59° 51.8° | 20.1 mp/h |
| Friday, Jun 7 | Good 7 AQI US | 80% | 55.4° 50° | 17.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Decorah air quality data attribution
3Contributors
- 3 Anonymous contributors
3 stations
3 Anonymous Contributors
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Decorah?
AQI US, Metric