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Chavannes · Ubora wa hewa

Jumamosi, 14 Nov · Europe/Zurich

Chavannes air quality

US air quality index

25

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
10 µg/m³
PM2.5
13 µg/m³
PM10
15 µg/m³
Ozoni
23.3 µg/m³
Dioksidi ya nitrojeni
12.3 µg/m³
Dioksidi ya salfa
0.7 µg/m³
Monoksidi ya kaboni
201 µg/m³
European AQI (separate scale)
1