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Vroutek · Ubora wa hewa

Jumamosi, 14 Nov · Europe/Prague

Vroutek air quality

US air quality index

35

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
12 µg/m³
PM10
14 µg/m³
Ozoni
43.7 µg/m³
Dioksidi ya nitrojeni
6.7 µg/m³
Dioksidi ya salfa
1.7 µg/m³
Monoksidi ya kaboni
193.7 µg/m³
European AQI (separate scale)
1