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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 | Low | |
 | Tree pollen | Low | |
 | 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 | 70% |
| Wind | 1 mp/h |
| Pressure | 29.5 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Allentown, Pennsylvania | 67 |
| 2 | Bethlehem, Pennsylvania | 66 |
| 3 | Mecca, California | 63 |
| 4 | Quakertown, Pennsylvania | 63 |
| 5 | Coopersburg, Pennsylvania | 62 |
| 6 | Lewisville, Texas | 62 |
| 7 | Big Bear Lake, California | 61 |
| 8 | Saint Clair, Pennsylvania | 61 |
| 9 | Philadelphia, Pennsylvania | 59 |
| 10 | Wichita, Kansas | 59 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
19*
live AQI index
Good
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 19* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.5*µg/m³ | |
✓
PM2.5 concentration in Louisville air currently meets 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 19 AQI US |  100% | 75.2° 53.6° |  22.4 mp/h |
| Wednesday, May 1 | Good 18 AQI US | 90% | 68° 50° | 15.7 mp/h |
| Thursday, May 2 | Good 30 AQI US | 100% | 69.8° 51.8° | 13.4 mp/h |
| Friday, May 3 | Good 7 AQI US | | 69.8° 48.2° | 8.9 mp/h |
| Saturday, May 4 | Good 8 AQI US | 100% | 57.2° 48.2° | 17.9 mp/h |
| Sunday, May 5 | Good 5 AQI US | | 62.6° 42.8° | 8.9 mp/h |
| Monday, May 6 | Good 5 AQI US | 100% | 73.4° 48.2° | 20.1 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Louisville?
No locations are available.
AQI US, Metric