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Air quality in Knox
Air quality index (AQI) and PM2.5 air pollution in Knox
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Knox Air Quality Map
Real-time Knox air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Knox today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Knox?
| Weather | Clear sky |
| Temperature | 59°F |
| Humidity | 88% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Silverton, Colorado | 85 |
| 2 | San Antonio, Texas | 77 |
| 3 | Townsend, Tennessee | 76 |
| 4 | Muskegon, Michigan | 74 |
| 5 | Palm Desert, California | 72 |
| 6 | Indio, California | 71 |
| 7 | Mecca, California | 71 |
| 8 | Boerne, Texas | 70 |
| 9 | New Braunfels, Texas | 69 |
| 10 | Pahrump, Nevada | 68 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
66*
live AQI index
Moderate
Overview
What is the current air quality in Knox?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 66* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 17.4*µg/m³ | |
!
PM2.5
x3.5
PM2.5 concentration in Knox is currently 3.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Knox?
 | 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
Knox air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 66 AQI US |  90% | 82.4° 59° |  15.7 mp/h |
| Tuesday, May 21 | Moderate 68 AQI US | 100% | 84.2° 64.4° | 22.4 mp/h |
| Wednesday, May 22 | Moderate 61 AQI US | 100% | 77° 59° | 20.1 mp/h |
| Thursday, May 23 | Good 24 AQI US  |  | 71.6° 50° | 6.7 mp/h |
| Friday, May 24 | Good 22 AQI US | 30% | 73.4° 53.6° | 13.4 mp/h |
| Saturday, May 25 | Moderate 66 AQI US | 100% | 77° 60.8° | 13.4 mp/h |
| Sunday, May 26 | Good 22 AQI US | 90% | 73.4° 59° | 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 Knox?
No locations are available.
AQI US, Metric