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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 | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Louisville?
| Weather | Broken clouds |
| Temperature | 69.8°F |
| Humidity | 88% |
| Wind | 7.2 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  The Woodlands, Texas | 174 |
| 2 | Corpus Christi, Texas | 152 |
| 3 | Baytown, Texas | 149 |
| 4 | Houston, Texas | 145 |
| 5 | Galena Park, Texas | 142 |
| 6 | Westlake, Louisiana | 133 |
| 7 | Pasadena, Texas | 128 |
| 8 | Port Arthur, Texas | 125 |
| 9 | Colfax, Louisiana | 116 |
| 10 | Channelview, Texas | 115 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
51*
live AQI index
Moderate
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 51* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.2*µg/m³ | |
!
PM2.5
x1.8
PM2.5 concentration in Louisville is currently 1.8 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 51 AQI US |  100% | 82.4° 68° |  11.2 mp/h |
| Friday, May 10 | Good 48 AQI US  | 80% | 77° 64.4° | 13.4 mp/h |
| Saturday, May 11 | Good 47 AQI US |  | 75.2° 53.6° | 8.9 mp/h |
| Sunday, May 12 | Good 44 AQI US | | 77° 57.2° | 6.7 mp/h |
| Monday, May 13 | Good 50 AQI US | 60% | 68° 60.8° | 6.7 mp/h |
| Tuesday, May 14 | Moderate 61 AQI US | 100% | 77° 60.8° | 6.7 mp/h |
| Wednesday, May 15 | Moderate 62 AQI US | 100% | 86° 64.4° | 11.2 mp/h |
| Thursday, May 16 | Moderate 62 AQI US | 100% | 73.4° 66.2° | 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