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Tamil Nadu, India

Vīrarāghavapuram · Air quality

Friday, Oct 30 · Asia/Kolkata

Vīrarāghavapuram air quality

US air quality index

119

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
44 µg/m³
PM2.5
51 µg/m³
PM10
54 µg/m³
Ozone
75.3 µg/m³
Nitrogen dioxide
28.7 µg/m³
Sulfur dioxide
13.7 µg/m³
Carbon monoxide
440.3 µg/m³
European AQI (separate scale)
4