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Piedmont, Italia

Regio Parco · Ubora wa hewa

Alhamisi, 5 Nov · Europe/Rome

Regio Parco air quality

US air quality index

48

Nzuri

US EPA scale

  1. Nzuri0–50Current category
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200
  5. Hewa yenye madhara makubwa201–300
  6. Hatari301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Vichafuzi vyote

PM1
15 µg/m³
PM2.5
16 µg/m³
PM10
17 µg/m³
Ozoni
30.3 µg/m³
Dioksidi ya nitrojeni
22 µg/m³
Dioksidi ya salfa
1.7 µg/m³
Monoksidi ya kaboni
281.7 µg/m³
European AQI (separate scale)
2