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Hradec Králové Region, Chechia

Stěžery · Ubora wa hewa

Alhamisi, 12 Nov · Europe/Prague

Stěžery 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
8 µg/m³
PM2.5
10 µg/m³
PM10
10 µg/m³
Ozoni
40 µg/m³
Dioksidi ya nitrojeni
5 µg/m³
Dioksidi ya salfa
1 µg/m³
Monoksidi ya kaboni
199 µg/m³
European AQI (separate scale)
2