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South Bohemian Region, Chechia

Písek · Ubora wa hewa

Alhamisi, 12 Nov · Europe/Prague

Písek 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
25 µg/m³
PM2.5
27 µg/m³
PM10
29 µg/m³
Ozoni
25.7 µg/m³
Dioksidi ya nitrojeni
15 µg/m³
Dioksidi ya salfa
3.7 µg/m³
Monoksidi ya kaboni
319 µg/m³
European AQI (separate scale)
2