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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 | Clear sky |
| Temperature | 69.8°F |
| Humidity | 33% |
| Wind | 11.5 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Maricopa, Arizona | 97 |
| 2 | Claremont, California | 84 |
| 3 | Downey, California | 84 |
| 4 | La Habra, California | 82 |
| 5 | San Bernardino, California | 81 |
| 6 | Pomona, California | 77 |
| 7 | Riverside, California | 77 |
| 8 | San Gabriel, California | 77 |
| 9 | La Verne, California | 75 |
| 10 | Monterey Park, California | 75 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
26*
live AQI index
Good
Overview
What is the current air quality in Louisville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 26* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.7*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 26 AQI US | | 69.8° 53.6° |  13.4 mp/h |
| Sunday, May 12 | Good 36 AQI US | | 75.2° 53.6° | 11.2 mp/h |
| Monday, May 13 | Good 45 AQI US |  100% | 64.4° 59° | 13.4 mp/h |
| Tuesday, May 14 | Moderate 51 AQI US  | 100% | 73.4° 60.8° | 15.7 mp/h |
| Wednesday, May 15 | Good 31 AQI US |  | 69.8° 55.4° | 15.7 mp/h |
| Thursday, May 16 | Good 37 AQI US | 40% | 73.4° 55.4° | 8.9 mp/h |
| Friday, May 17 | Moderate 79 AQI US | 100% | 66.2° 59° | 8.9 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