Cobán · Ubora wa hewa

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.

Vichafuzi vyote

PM1

11 µg/m³

PM2.5

14 µg/m³

PM10

16 µg/m³

Ozoni

35.3 µg/m³

Dioksidi ya nitrojeni

6.3 µg/m³

Dioksidi ya salfa

1 µg/m³

Monoksidi ya kaboni

241.3 µg/m³

European AQI (separate scale)

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