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The Marches, Italia

Pergola · Ubora wa hewa

Jumatatu, 9 Nov · Europe/Rome

Pergola air quality

US air quality index

49

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
22 µg/m³
PM2.5
24 µg/m³
PM10
25 µg/m³
Ozoni
13 µg/m³
Dioksidi ya nitrojeni
13 µg/m³
Dioksidi ya salfa
1 µg/m³
Monoksidi ya kaboni
301 µg/m³
European AQI (separate scale)
2