Porto, Portugal
Afurada de Baixo · Ingancin iska
Wednesday, Nov 11 · Europe/Lisbon
Afurada de Baixo air quality
US air quality index
25Mai kyau
US EPA scale
- Mai kyau0–50Current category
- Matsakaici51–100
- Mai cutarwa ga masu saurin kamuwa101–150
- Mai cutarwa ga lafiya151–200
- Mai matuƙar cutarwa ga lafiya201–300
- Mai haɗari301–500+
A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.
Understand the EPA scaleDuk abubuwan gurɓata iska
- PM1
- 3 µg/m³
- PM2.5
- 4 µg/m³
- PM10
- 5 µg/m³
- Ozon
- 36 µg/m³
- Diyoksayidin naytrojin
- 12 µg/m³
- Diyoksayidin sulfur
- 1 µg/m³
- Monoksayidin karbon
- 123 µg/m³
- European AQI (separate scale)
- 1