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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 | Moderate | |
 | Weed pollen | None |
Weather
What is the current weather in Louisville?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 83% |
| Wind | 0 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Gatlinburg, Tennessee | 84 |
| 2 | Corpus Christi, Texas | 82 |
| 3 | Maryville, Tennessee | 70 |
| 4 | Knoxville, Tennessee | 68 |
| 5 | Greenville, North Carolina | 60 |
| 6 | Boerne, Texas | 59 |
| 7 | Rock Hill, South Carolina | 59 |
| 8 | Durham, North Carolina | 57 |
| 9 | San Antonio, Texas | 57 |
| 10 | The Woodlands, Texas | 57 |
(local time)
SEE WORLD AQI RANKING
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US AQI
57*
live AQI index
Moderate
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.8*µg/m³ | |
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PM2.5
x3
PM2.5 concentration in Louisville is currently 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 57 AQI US |  60% | 82.4° 62.6° |  6.7 mp/h |
| Wednesday, Apr 17 | Moderate 55 AQI US | 30% | 73.4° 62.6° | 15.7 mp/h |
| Thursday, Apr 18 | Moderate 54 AQI US | 50% | 80.6° 59° | 6.7 mp/h |
| Friday, Apr 19 | Moderate 57 AQI US | 100% | 68° 59° | 8.9 mp/h |
| Saturday, Apr 20 | Moderate 53 AQI US | 20% | 66.2° 51.8° | 6.7 mp/h |
| Sunday, Apr 21 | Good 24 AQI US  | | 62.6° 46.4° | 4.5 mp/h |
| Monday, Apr 22 | Good 48 AQI US | 100% | 50° 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