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Air quality in Keystone
Air quality index (AQI) and PM2.5 air pollution in Keystone
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Keystone Air Quality Map
Real-time Keystone air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Keystone today?
 | Index | Very high | |
 | Tree pollen | Moderate | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Keystone?
| Weather | Scattered clouds |
| Temperature | 84.2°F |
| Humidity | 71% |
| Wind | 7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Sunriver, Oregon | 187 |
| 2 | Silverton, Colorado | 119 |
| 3 | Boerne, Texas | 97 |
| 4 | San Antonio, Texas | 91 |
| 5 | Mecca, California | 90 |
| 6 | Oklahoma City, Oklahoma | 79 |
| 7 | Corpus Christi, Texas | 78 |
| 8 | Georgetown, Texas | 78 |
| 9 | Leander, Texas | 77 |
| 10 | New Braunfels, Texas | 77 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Spotlight
Riverview has "Unhealthy for Sensitive Groups" air quality. See the map and health recommendations.
US AQI
57*
live AQI index
Moderate
Overview
What is the current air quality in Keystone?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.5*µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in Keystone is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Keystone?
 | 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
Keystone air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 22 | Moderate 57 AQI US |  | 91.4° 71.6° |  13.4 mp/h |
| Today | Moderate 57 AQI US | | 87.8° 71.6° | 13.4 mp/h |
| Friday, May 24 | Moderate 64 AQI US | | 86° 75.2° | 13.4 mp/h |
| Saturday, May 25 | Moderate 62 AQI US |  | 89.6° 75.2° | 13.4 mp/h |
| Sunday, May 26 | Moderate 62 AQI US | | 87.8° 75.2° | 11.2 mp/h |
| Monday, May 27 | Moderate 76 AQI US | | 87.8° 75.2° | 11.2 mp/h |
| Tuesday, May 28 | Moderate 79 AQI US | | 87.8° 77° | 13.4 mp/h |
| Wednesday, May 29 | Moderate 78 AQI US |  80% | 89.6° 71.6° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Keystone?
No locations are available.
AQI US, Metric