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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 | Mist |
| Temperature | 64.4°F |
| Humidity | 97% |
| Wind | 3.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Thibodaux, Louisiana | 109 |
| 2 | Yucaipa, California | 85 |
| 3 | Palm Desert, California | 82 |
| 4 | Kalamazoo, Michigan | 80 |
| 5 | Mecca, California | 76 |
| 6 | Baton Rouge, Louisiana | 69 |
| 7 | The Woodlands, Texas | 69 |
| 8 | Hammond, Indiana | 66 |
| 9 | Fontana, California | 65 |
| 10 | Chicago, Illinois | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.5*µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Louisville is currently 2.3 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 55 AQI US |  100% | 73.4° 60.8° |  4.5 mp/h |
| Sunday, May 19 | Moderate 62 AQI US | 90% | 80.6° 59° | 6.7 mp/h |
| Monday, May 20 | Moderate 68 AQI US |  | 82.4° 59° | 4.5 mp/h |
| Tuesday, May 21 | Moderate 68 AQI US | | 84.2° 60.8° | 4.5 mp/h |
| Wednesday, May 22 | Moderate 79 AQI US |  | 84.2° 62.6° | 11.2 mp/h |
| Thursday, May 23 | Moderate 73 AQI US | 90% | 69.8° 60.8° | 4.5 mp/h |
| Friday, May 24 | Moderate 80 AQI US | | 78.8° 55.4° | 6.7 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