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West Bengal, India

Chittaranjan · Ubora wa hewa

Ijumaa, 13 Nov · Asia/Kolkata

Chittaranjan air quality

US air quality index

151

Hewa yenye madhara

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200Current category
  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
68 µg/m³
PM2.5
77 µg/m³
PM10
86 µg/m³
Ozoni
52 µg/m³
Dioksidi ya nitrojeni
12 µg/m³
Dioksidi ya salfa
11 µg/m³
Monoksidi ya kaboni
427 µg/m³
European AQI (separate scale)
5