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Lombardy, Italia

Zeme · Ubora wa hewa

Ijumaa, 13 Nov · Europe/Rome

Zeme air quality

US air quality index

71

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
19 µg/m³
PM2.5
21 µg/m³
PM10
21 µg/m³
Ozoni
9.7 µg/m³
Dioksidi ya nitrojeni
25.3 µg/m³
Dioksidi ya salfa
2 µg/m³
Monoksidi ya kaboni
462.3 µg/m³
European AQI (separate scale)
3