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Uttarakhand, India

Haldwani · Kualitas udara

Selasa, 3 Nov · Asia/Kolkata

Haldwani air quality

US air quality index

69

Sedang

US EPA scale

  1. Baik0–50
  2. Sedang51–100Current category
  3. Tidak sehat bagi kelompok sensitif101–150
  4. Tidak sehat151–200
  5. Sangat tidak sehat201–300
  6. 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 scale

Semua polutan

PM1
23 µg/m³
PM2.5
26 µg/m³
PM10
30 µg/m³
Ozon
25 µg/m³
Nitrogen dioksida
19 µg/m³
Sulfur dioksida
3 µg/m³
Karbon monoksida
364 µg/m³
European AQI (separate scale)
3