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México, Mexico

San Sebastián · Air quality

Saturday, Nov 7 · America/Mexico City

San Sebastián air quality

US air quality index

74

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
11 µg/m³
PM2.5
9.2 µg/m³
PM10
12 µg/m³
Ozone
31.6 µg/m³
Nitrogen dioxide
17.7 µg/m³
Sulfur dioxide
13.7 µg/m³
Carbon monoxide
201 µg/m³
European AQI (separate scale)
3