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Bahia, Brazil

Coração de Maria · Air quality

Friday, Nov 6 · America/Bahia

Coração de Maria air quality

US air quality index

37

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  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
6 µg/m³
PM2.5
9 µg/m³
PM10
11 µg/m³
Ozone
22 µg/m³
Nitrogen dioxide
5 µg/m³
Sulfur dioxide
4 µg/m³
Carbon monoxide
156 µg/m³
European AQI (separate scale)
1