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Baja California, Mexico

Buenos Aires · Air quality

Wednesday, Nov 4 · America/Tijuana

Buenos Aires air quality

US air quality index

32

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
18 µg/m³
PM2.5
3.5 µg/m³
PM10
25 µg/m³
Ozone
36.5 µg/m³
Nitrogen dioxide
36.7 µg/m³
Sulfur dioxide
3.7 µg/m³
Carbon monoxide
427.3 µg/m³
European AQI (separate scale)
1