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England, Ufalme wa Muungano

Small Dole · Ubora wa hewa

Jumamosi, 7 Nov · Europe/London

Small Dole air quality

US air quality index

50

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
13 µg/m³
PM2.5
17 µg/m³
PM10
21 µg/m³
Ozoni
44 µg/m³
Dioksidi ya nitrojeni
6 µg/m³
Dioksidi ya salfa
3 µg/m³
Monoksidi ya kaboni
215 µg/m³
European AQI (separate scale)
2