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Piazze · Ubora wa hewa

Jumatatu, 9 Nov · Europe/Rome

Piazze air quality

US air quality index

47

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
17 µg/m³
PM2.5
20 µg/m³
PM10
22 µg/m³
Ozoni
30.7 µg/m³
Dioksidi ya nitrojeni
10 µg/m³
Dioksidi ya salfa
0 µg/m³
Monoksidi ya kaboni
254.7 µg/m³
European AQI (separate scale)
2