Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Pollen count and allergy info for Diamond Bar
Diamond Bar pollen and allergy report
Today's Pollen Count in Diamond Bar
Low
Air quality
Air quality of Diamond Bar today
| AQI US AQI | Good | |
| PM2.5 µg/m³ | Good |
3D animated air pollution map
Allergy forecast
Diamond Bar pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | Low | Low | Low | None |  11.2 mp/h |  | 80.6° 57.2° |
| Monday, May 13 | Low | Low | Low | None | 11.2 mp/h |  | 78.8° 60.8° |
| Tuesday, May 14 | Low | Low | Low | None | 11.2 mp/h |  | 77° 59° |
AQI US, Metric