Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Louisville
Air quality index (AQI) and PM2.5 air pollution in Louisville
3 people follow this city
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 | High | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Louisville?
| Weather | Clear sky |
| Temperature | 77°F |
| Humidity | 81% |
| Wind | 7.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Little Rock, Arkansas | 106 |
| 2 | Georgetown, Texas | 105 |
| 3 | Midlothian, Texas | 103 |
| 4 | Leander, Texas | 102 |
| 5 | Cedar Park, Texas | 97 |
| 6 | Boerne, Texas | 95 |
| 7 | Round Rock, Texas | 95 |
| 8 | Dallas, Texas | 92 |
| 9 | New Braunfels, Texas | 91 |
| 10 | San Antonio, Texas | 91 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
56*
live AQI index
Moderate
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 56* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.9*µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in Louisville is currently 2.4 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 56 AQI US |  90% | 87.8° 69.8° |  13.4 mp/h |
| Tuesday, May 28 | Moderate 58 AQI US |  | 87.8° 66.2° | 13.4 mp/h |
| Wednesday, May 29 | Moderate 62 AQI US |  | 84.2° 62.6° | 8.9 mp/h |
| Thursday, May 30 | Moderate 55 AQI US | 100% | 71.6° 60.8° | 8.9 mp/h |
| Friday, May 31 | Moderate 66 AQI US | | 80.6° 60.8° | 8.9 mp/h |
| Saturday, Jun 1 | Moderate 70 AQI US | | 78.8° 59° | 6.7 mp/h |
| Sunday, Jun 2 | Moderate 65 AQI US | | 80.6° 59° | 6.7 mp/h |
Interested in hourly forecast? Get the app
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