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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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Louisville?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 73% |
| Wind | 19.6 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 63 |
| 2 | Marana, Arizona | 61 |
| 3 | Detroit, Michigan | 59 |
| 4 | Kalamazoo, Michigan | 58 |
| 5 | Hammond, Indiana | 57 |
| 6 | The Woodlands, Texas | 55 |
| 7 | Burns Harbor, Indiana | 54 |
| 8 | Dundalk, Maryland | 54 |
| 9 | Harrisburg, Pennsylvania | 54 |
| 10 | Washington, D.C., District of Columbia | 54 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
54*
live AQI index
Moderate
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.3*µg/m³ | |
!
PM2.5
x2.7
PM2.5 concentration in Louisville is currently 2.7 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Louisville?
 | 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
Louisville air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 54 AQI US |  70% | 77° 62.6° |  17.9 mp/h |
| Monday, Apr 29 | Good 46 AQI US  | 100% | 69.8° 59° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 25 AQI US |  | 77° 55.4° | 6.7 mp/h |
| Wednesday, May 1 | Good 37 AQI US | 90% | 80.6° 60.8° | 8.9 mp/h |
| Thursday, May 2 | Moderate 57 AQI US | 80% | 78.8° 64.4° | 15.7 mp/h |
| Friday, May 3 | Moderate 64 AQI US | 100% | 75.2° 64.4° | 15.7 mp/h |
| Saturday, May 4 | Good 14 AQI US | 100% | 66.2° 53.6° | 20.1 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Louisville?
No locations are available.
AQI US, Metric