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Madrid, Uhispania

Pacífico · Ubora wa hewa

Jumamosi, 7 Nov · Europe/Madrid

Pacífico air quality

US air quality index

82

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
37 µg/m³
PM2.5
40 µg/m³
PM10
42 µg/m³
Ozoni
4.7 µg/m³
Dioksidi ya nitrojeni
68 µg/m³
Dioksidi ya salfa
9.7 µg/m³
Monoksidi ya kaboni
323.3 µg/m³
European AQI (separate scale)
4