Saint Croix Island, Kepulauan Virgin Amerika Serikat
Frederiksted · Kualitas udara
Minggu, 15 Nov · America/St Thomas
Frederiksted air quality
US air quality index
65Sedang
US EPA scale
- Baik0–50
- Sedang51–100Current category
- Tidak sehat bagi kelompok sensitif101–150
- Tidak sehat151–200
- Sangat tidak sehat201–300
- Berbahaya301–500+
A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.
Understand the EPA scaleSemua polutan
- PM1
- 3 µg/m³
- PM2.5
- 18 µg/m³
- PM10
- 28 µg/m³
- Ozon
- 48 µg/m³
- Nitrogen dioksida
- 0 µg/m³
- Sulfur dioksida
- 0 µg/m³
- Karbon monoksida
- 113 µg/m³
- European AQI (separate scale)
- 2