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Riau Islands, Indonesia

Tanjung Balai · Air quality

Friday, Nov 13 · Asia/Jakarta

Tanjung Balai air quality

US air quality index

59

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  3. Unhealthy for sensitive groups101–150
  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
16 µg/m³
PM2.5
17 µg/m³
PM10
18 µg/m³
Ozone
30.7 µg/m³
Nitrogen dioxide
40.7 µg/m³
Sulfur dioxide
26 µg/m³
Carbon monoxide
274.3 µg/m³
European AQI (separate scale)
2