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Ugny · Ubora wa hewa

Alhamisi, 5 Nov · Europe/Paris

Ugny air quality

US air quality index

50

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
14 µg/m³
PM2.5
16 µg/m³
PM10
16 µg/m³
Ozoni
30 µg/m³
Dioksidi ya nitrojeni
7 µg/m³
Dioksidi ya salfa
2 µg/m³
Monoksidi ya kaboni
169 µg/m³
European AQI (separate scale)
2