Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Pollen count and allergy info for Johnston
Johnston pollen and allergy report
Today's Pollen Count in Johnston
Moderate
Air quality
Air quality of Johnston today
| AQI US AQI | Good | |
| PM2.5 µg/m³ | Good |
3D animated air pollution map
Allergy forecast
Johnston pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | N/A | N/A | N/A | N/A |  4.5 mp/h |  60% | 64.4° 46.4° |
| Thursday, May 2 | Very high | Very high | None | None | 11.2 mp/h |  | 73.4° 44.6° |
| Friday, May 3 | Very high | Very high | Low | None | 8.9 mp/h | | 59° 44.6° |
AQI US, Metric