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Friesland, Uholanzi

Holwert · Ubora wa hewa

Alhamisi, 12 Nov · Europe/Amsterdam

Holwert air quality

US air quality index

87

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
22 µg/m³
PM2.5
25 µg/m³
PM10
26 µg/m³
Ozoni
18 µg/m³
Dioksidi ya nitrojeni
13 µg/m³
Dioksidi ya salfa
0 µg/m³
Monoksidi ya kaboni
205.7 µg/m³
European AQI (separate scale)
4