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England, Ufalme wa Muungano

East Ruston · Ubora wa hewa

Jumamosi, 14 Nov · Europe/London

East Ruston air quality

US air quality index

22

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
14 µg/m³
PM2.5
15 µg/m³
PM10
15 µg/m³
Ozoni
21.7 µg/m³
Dioksidi ya nitrojeni
12.3 µg/m³
Dioksidi ya salfa
1 µg/m³
Monoksidi ya kaboni
178.3 µg/m³
European AQI (separate scale)
1