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Today's Pollen Count in Helena
Very high
Air quality
Air quality of Helena today
| AQI US AQI | Unhealthy for sensitive groups | |
| PM2.5 µg/m³ | Unhealthy for sensitive groups | |
| O3 µg/m³ | Good | |
| CO | Good |
3D animated air pollution map
Allergy forecast
Helena pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | Very high | None | Very high | Moderate |  22.4 mp/h |  | 91.4° 55.4° |
| Monday, Sep 9 | Very high | None | Very high | High | 13.4 mp/h |  | 87.8° 55.4° |
| Tuesday, Sep 10 | High | None | High | Moderate | 8.9 mp/h |  | 86° 53.6° |
AQI US, Metric