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Viljandimaa, Estonia

Viiratsi · Ubora wa hewa

Jumamosi, 7 Nov · Europe/Tallinn

Viiratsi air quality

US air quality index

27

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
1 µg/m³
PM2.5
3 µg/m³
PM10
4 µg/m³
Ozoni
56 µg/m³
Dioksidi ya nitrojeni
1 µg/m³
Dioksidi ya salfa
0 µg/m³
Monoksidi ya kaboni
127 µg/m³
European AQI (separate scale)
2