Data Layers
🌅 Air Quality (AQI scale)
Concentrations (μg/m³)
🍀 Pollen — typical seasonal index (0–100)
What is PM?
Pollutant Source Health Limit <2.5μm — wildfire, exhaust Penetrates lungs 9μg/m³ <10μm — dust, pollen Respiratory irritant 150μg/m³ Sunlight + exhaust Lung irritation 70 ppb Vehicle exhaust Worsens asthma 100μg/m³
AQI Scale
AQI Category 0–50 Good 51–100 Moderate 101–150 Unhealthy for Sensitive Groups 151–200 Unhealthy 201–300 Very Unhealthy 301+ Hazardous
Live Pollen & AQ Sources
Air quality: EPA AirNow / Open-Meteo (assimilates US EPA data). Historical Aug 2022 + live forecast.