Texas, United States
Red Oak · Air quality
Thursday, Oct 15 · America/Chicago
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Red Oak air quality
US air quality index
20Good
US EPA scale
- Good0–50Current category
- Moderate51–100
- Unhealthy for sensitive groups101–150
- Unhealthy151–200
- Very unhealthy201–300
- Hazardous301–500+
A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.
Understand the EPA scaleAll pollutants
- PM1
- 4 µg/m³
- PM2.5
- 6.8 µg/m³
- PM10
- 8 µg/m³
- Ozone
- 41.4 µg/m³
- Nitrogen dioxide
- 3 µg/m³
- Sulfur dioxide
- 1.3 µg/m³
- Carbon monoxide
- 130.3 µg/m³
- European AQI (separate scale)
- 1