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Centre-Val de Loire, Ufaransa

Fréteval · Ubora wa hewa

Jumanne, 10 Nov · Europe/Paris

Fréteval air quality

US air quality index

52

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
7 µg/m³
PM2.5
7 µg/m³
PM10
7 µg/m³
Ozoni
29.3 µg/m³
Dioksidi ya nitrojeni
5.3 µg/m³
Dioksidi ya salfa
0 µg/m³
Monoksidi ya kaboni
170.7 µg/m³
European AQI (separate scale)
2