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Rio de Janeiro, Brazil

Vidigal · Ubora wa hewa

Jumapili, 8 Nov · America/Sao Paulo

Vidigal air quality

US air quality index

55

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
16 µg/m³
PM2.5
17 µg/m³
PM10
17 µg/m³
Ozoni
27 µg/m³
Dioksidi ya nitrojeni
18 µg/m³
Dioksidi ya salfa
4 µg/m³
Monoksidi ya kaboni
301 µg/m³
European AQI (separate scale)
2