Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Pollen count and allergy info for Centennial
Centennial pollen and allergy report
Today's Pollen Count in Highland Reservoir
Moderate
Air quality
Air quality of Highland Reservoir today
| AQI US AQI | Good | |
| O3 µg/m³ | Good |
3D animated air pollution map
Allergy forecast
Highland Reservoir pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | Low | Low | Low | None |  24.6 mp/h |  | 75.2° 42.8° |
| Sunday, May 5 | High | High | Low | None | 26.8 mp/h | | 59° 44.6° |
| Monday, May 6 | Very high | Very high | Low | None | 20.1 mp/h | | 57.2° 39.2° |
AQI US, Metric