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Air quality in Louisville
Air quality index (AQI) and PM2.5 air pollution in Louisville
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Louisville Air Quality Map
Real-time Louisville air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Louisville today?
 | Index | N/A |
 | Tree pollen | N/A |
 | Grass pollen | N/A |
 | Weed pollen | N/A |
Weather
What is the current weather in Louisville?
| Weather | Broken clouds |
| Temperature | 66.2°F |
| Humidity | 73% |
| Wind | 11.5 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Maryville, Tennessee | 71 |
| 2 | Casa Grande, Arizona | 63 |
| 3 | Shreveport, Louisiana | 62 |
| 4 | Decorah, Iowa | 61 |
| 5 | Metlakatla, Alaska | 60 |
| 6 | Bryson City, North Carolina | 59 |
| 7 | Johnson City, Tennessee | 59 |
| 8 | San Jacinto, California | 56 |
| 9 | Decatur, Georgia | 55 |
| 10 | Atlanta, Georgia | 54 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
32*
live AQI index
Good
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 32* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.7*µg/m³ | |
!
PM2.5
x1.5
PM2.5 concentration in Louisville is currently 1.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Louisville?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Louisville air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 32 AQI US |  60% | 82.4° 60.8° |  6.7 mp/h |
| Wednesday, Apr 17 | Moderate 55 AQI US  | | 75.2° 62.6° | 15.7 mp/h |
| Thursday, Apr 18 | Moderate 54 AQI US | 80% | 78.8° 59° | 6.7 mp/h |
| Friday, Apr 19 | Moderate 58 AQI US | 100% | 71.6° 59° | 6.7 mp/h |
| Saturday, Apr 20 | Moderate 69 AQI US | | 66.2° 53.6° | 6.7 mp/h |
| Sunday, Apr 21 | Good 25 AQI US | 100% | 51.8° 46.4° | 6.7 mp/h |
| Monday, Apr 22 | Good 48 AQI US | 20% | 60.8° 44.6° | 4.5 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Louisville?
No locations are available.
AQI US, Metric