Skip to weather
weather.ws

Johor, Malaysia

Niyor · Air quality

Saturday, Nov 7 · Asia/Kuala Lumpur

Niyor air quality

US air quality index

23

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. Hazardous301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

All pollutants

PM1
2 µg/m³
PM2.5
3 µg/m³
PM10
3 µg/m³
Ozone
23 µg/m³
Nitrogen dioxide
6.7 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
201.7 µg/m³
European AQI (separate scale)
1