Porto, Portugal
Perozinho · Ingancin iska
Saturday, Oct 31 · Europe/Lisbon
Perozinho air quality
US air quality index
84Matsakaici
US EPA scale
- Mai kyau0–50
- Matsakaici51–100Current category
- 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
- 6 µg/m³
- PM2.5
- 6 µg/m³
- PM10
- 7 µg/m³
- Ozon
- 62 µg/m³
- Diyoksayidin naytrojin
- 8 µg/m³
- Diyoksayidin sulfur
- 2 µg/m³
- Monoksayidin karbon
- 148 µg/m³
- European AQI (separate scale)
- 4