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Tamil Nadu, India

Sholavandan · Air quality

Sunday, Nov 1 · Asia/Kolkata

Sholavandan air quality

US air quality index

123

Unhealthy for sensitive groups

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150Current category
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. 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 scale

All pollutants

PM1
39 µg/m³
PM2.5
45 µg/m³
PM10
49 µg/m³
Ozone
22.3 µg/m³
Nitrogen dioxide
31.3 µg/m³
Sulfur dioxide
7 µg/m³
Carbon monoxide
423 µg/m³
European AQI (separate scale)
4