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Pará, Brazil

Trairão · Ubora wa hewa

Jumatatu, 9 Nov · America/Santarem

Trairão air quality

US air quality index

77

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
18 µg/m³
PM2.5
21 µg/m³
PM10
22 µg/m³
Ozoni
32.7 µg/m³
Dioksidi ya nitrojeni
0.7 µg/m³
Dioksidi ya salfa
0 µg/m³
Monoksidi ya kaboni
295.3 µg/m³
European AQI (separate scale)
3