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Burgas, Bulgaria

Aheloy · Ubora wa hewa

Jumatatu, 9 Nov · Europe/Sofia

Aheloy air quality

US air quality index

47

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
15 µg/m³
PM2.5
17 µg/m³
PM10
18 µg/m³
Ozoni
20.7 µg/m³
Dioksidi ya nitrojeni
9 µg/m³
Dioksidi ya salfa
4 µg/m³
Monoksidi ya kaboni
232.3 µg/m³
European AQI (separate scale)
2