Ruka hadi hali ya hewa
weather.ws

Hauts-de-France, Ufaransa

Escaudain · Ubora wa hewa

Jumatano, 11 Nov · Europe/Paris

Escaudain air quality

US air quality index

48

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
20 µg/m³
PM2.5
21 µg/m³
PM10
21 µg/m³
Ozoni
3.3 µg/m³
Dioksidi ya nitrojeni
21.3 µg/m³
Dioksidi ya salfa
1.7 µg/m³
Monoksidi ya kaboni
287.7 µg/m³
European AQI (separate scale)
2