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England, Ufalme wa Muungano

Stone · Ubora wa hewa

Jumamosi, 7 Nov · Europe/London

Stone air quality

US air quality index

64

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
29 µg/m³
PM2.5
33 µg/m³
PM10
36 µg/m³
Ozoni
0 µg/m³
Dioksidi ya nitrojeni
17.7 µg/m³
Dioksidi ya salfa
7.3 µg/m³
Monoksidi ya kaboni
387 µg/m³
European AQI (separate scale)
2