Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Today's Pollen Count in Longmont
Moderate
Air quality
Air quality of Longmont today
| AQI US AQI | Good | |
| PM2.5 µg/m³ | Good |
3D animated air pollution map
Allergy forecast
Longmont pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Monday, May 6 | N/A | N/A | N/A | N/A |  20.1 mp/h |  40% | 57.2° 39.2° |
| Today | Moderate | Moderate | Moderate | None | 11.2 mp/h |  | 57.2° 33.8° |
| Wednesday, May 8 | Very high | Very high | High | None | 4.5 mp/h | 60% | 51.8° 37.4° |
AQI US, Metric