Module 5 · Primer

CPCB NAQI Calculator

CPCB National AQI is the maximum of six pollutant sub-indices. Move any slider — the composite AQI, dominant pollutant and health band recompute instantly.

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Fresh · age 0s · Last good: 03:09:48 pm IST · just nowFresh · 0s

FreshWarningStale

PM2.5

45 µg/m³ · sub-index 76

PM10

75 µg/m³ · sub-index 76

NO₂

50 µg/m³ · sub-index 63

SO₂

20 µg/m³ · sub-index 25

O₃

40 µg/m³ · sub-index 40

1 mg/m³ · sub-index 50