AddAir quality in Castle Rock
Air quality index (AQI⁺) and PM2.5 air pollution in Castle Rock • 830 Followers • 12:00, Apr 17
20
US AQI⁺Good
Main pollutant:
PM2.5
3.6 µg/m³
11°
5 km/h
72 %
Hourly forecast
Castle Rock air quality index (AQI⁺) forecast
Daily forecast
Castle Rock air quality index (AQI⁺) forecast
| Today | 21 | | 14° 5° |  10 km/h | 69% |
| Sat | 22 |  | 20° 7° | 12 km/h | 54% |
| Sun | 25 | | 24° 12° | 9 km/h | 59% |
Air pollutants
What is the current air quality in Castle Rock?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Castle Rock today?
Index
Low
 Tree Low | 25% |
 Grass Low | 25% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Castle Rock today?
Index
Low
Tree Low | 25% |
Grass Low | 25% |
Weed Low | 25% |
Source:
wetter.comMost polluted locations near Castle Rock
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Castle Rock
Historic air quality near Castle Rock
History
Historic air quality graph for Castle Rock
Historic air quality near Castle Rock
History
Historic air quality graph for Castle Rock
Most polluted locations near Castle Rock
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Castle Rock
Measure your own air quality
Get a monitor and contribute air quality data in your city.
