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Central Luzon, Philippines

San Mariano · Air quality

Sunday, Nov 1 · Asia/Manila

San Mariano air quality

US air quality index

43

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
4 µg/m³
PM2.5
5 µg/m³
PM10
6 µg/m³
Ozone
43 µg/m³
Nitrogen dioxide
2.7 µg/m³
Sulfur dioxide
3 µg/m³
Carbon monoxide
134 µg/m³
European AQI (separate scale)
2