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Paraíba, Brazil

Pilar · Ubora wa hewa

Jumapili, 8 Nov · America/Fortaleza

Pilar air quality

US air quality index

104

Hewa yenye madhara kwa makundi nyeti

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150Current category
  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
12 µg/m³
PM2.5
18 µg/m³
PM10
22 µg/m³
Ozoni
39.7 µg/m³
Dioksidi ya nitrojeni
8.7 µg/m³
Dioksidi ya salfa
2 µg/m³
Monoksidi ya kaboni
497.7 µg/m³
European AQI (separate scale)
4