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Veracruz, Mexico

Calalco · Air quality

Saturday, Oct 31 · America/Mexico City

Calalco air quality

US air quality index

54

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
12 µg/m³
PM2.5
8.4 µg/m³
PM10
18 µg/m³
Ozone
38.1 µg/m³
Nitrogen dioxide
6 µg/m³
Sulfur dioxide
10 µg/m³
Carbon monoxide
132 µg/m³
European AQI (separate scale)
2