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Lombardy, Italia

Silvano Pietra · Ubora wa hewa

Jumanne, 10 Nov · Europe/Rome

Silvano Pietra air quality

US air quality index

92

Wastani

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100Current category
  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
25 µg/m³
PM2.5
27 µg/m³
PM10
28 µg/m³
Ozoni
5 µg/m³
Dioksidi ya nitrojeni
26 µg/m³
Dioksidi ya salfa
4 µg/m³
Monoksidi ya kaboni
444 µg/m³
European AQI (separate scale)
4