‘Āmerī · Air quality

1. Good0–50
2. Moderate51–100Current category
3. E no good for sensitive people101–150
4. E no good for health151–200
5. E bad well well for health201–300
6. Dangerous301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

All pollutants

PM1

19 µg/m³

PM2.5

34 µg/m³

PM10

77 µg/m³

Ozone

110 µg/m³

Nitrogen dioxide

1 µg/m³

Sulfur dioxide

5 µg/m³

Carbon monoxide

154 µg/m³

European AQI (separate scale)

4