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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 | High | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Louisville?
| Weather | Broken clouds |
| Temperature | 78.8°F |
| Humidity | 38% |
| Wind | 12.7 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Orcutt, California | 69 |
| 2 | Corpus Christi, Texas | 65 |
| 3 | The Woodlands, Texas | 61 |
| 4 | Buffalo, New York | 54 |
| 5 | Carlisle, Pennsylvania | 54 |
| 6 | Galveston, Texas | 54 |
| 7 | Nampa, Idaho | 54 |
| 8 | Allentown, Pennsylvania | 53 |
| 9 | Canton, Ohio | 53 |
| 10 | Tampa, Florida | 52 |
(local time)
SEE WORLD AQI RANKING
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Spotlight
There are emissions coming from the Metallus Faircrest Steel Plant. Protect yourself from PM2.5 and other industrial pollutants and follow health recommendations. Click here.
US AQI
53*
live AQI index
Moderate
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 53* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.9*µg/m³ | |
!
PM2.5
x2.6
PM2.5 concentration in Louisville is currently 2.6 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 53 AQI US |  90% | 78.8° 57.2° |  13.4 mp/h |
| Monday, Apr 29 | Moderate 53 AQI US | 50% | 75.2° 57.2° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 46 AQI US  | 100% | 62.6° 51.8° | 6.7 mp/h |
| Wednesday, May 1 | Good 39 AQI US |  | 71.6° 46.4° | 4.5 mp/h |
| Thursday, May 2 | Moderate 54 AQI US | | 77° 57.2° | 4.5 mp/h |
| Friday, May 3 | Moderate 74 AQI US | 60% | 75.2° 60.8° | 11.2 mp/h |
| Saturday, May 4 | Moderate 63 AQI US | 100% | 62.6° 48.2° | 13.4 mp/h |
| Sunday, May 5 | Good 21 AQI US |  | 68° 44.6° | 4.5 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