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Centre-Val de Loire, Ufaransa

Oizon · Ubora wa hewa

Jumamosi, 7 Nov · Europe/Paris

Oizon air quality

US air quality index

57

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
17 µg/m³
PM2.5
18 µg/m³
PM10
18 µg/m³
Ozoni
30 µg/m³
Dioksidi ya nitrojeni
8 µg/m³
Dioksidi ya salfa
0 µg/m³
Monoksidi ya kaboni
214 µg/m³
European AQI (separate scale)
2