North Dumdum Air Quality Index (AQI) & Air Pollution Today

West Bengal, India — Real-time Air Quality Index (AQI) and PM2.5

North Dumdum AQI Right Now

74

Category: Satisfactory

Dominant Pollutant: pm10

PM2.5: 37.95 µg/m³

PM10: 73.3 µg/m³

Last updated: 2026-03-24 — Data source: Google Air Quality API (NAQI). Live NAQI values load when you visit the page.

North Dumdum Pollutant Levels

PollutantConcentration
PM2.537.95 µg/m³
PM1073.3 µg/m³
O₃ (Ozone)29.05 µg/m³
NO₂22.06 µg/m³
SO₂2.62 µg/m³
CO417.69 µg/m³

Health Advisory — North Dumdum

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — North Dumdum

Cigarette Equivalent: Breathing this air is equivalent to smoking 1.7 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.18 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for North Dumdum

  • General Population: Acceptable air quality. Unusually sensitive people should limit prolonged outdoor exertion.
  • Elderly: Minor breathing discomfort is possible.
  • Children: Should be fine outdoors with normal activities.
  • Lung Disease Patients: Consider reducing prolonged outdoor exertion.

Understanding North Dumdum Air Quality

North Dumdum, a densely populated municipality in North 24 Parganas, sits immediately north of Kolkata's Netaji Subhas Chandra Bose International Airport — sharing the aviation-influenced airspace with its southern counterpart, South Dumdum. Aircraft operations, ground vehicle movements, and the extensive road infrastructure serving the airport create a persistent baseline of aviation fuel exhaust and diesel emissions that distinguish this suburb from other KMA towns.

Winter months (November–February) bring the worst air quality as temperature inversions over the flat Gangetic delta trap emissions from airport operations, vehicular traffic on Jessore Road and BT Road, and widespread domestic waste burning. PM2.5 levels frequently exceed 150 µg/m³ during December and January mornings when fog reduces atmospheric mixing. The dense residential fabric with narrow lanes north of the airport restricts air circulation, creating localised pollution hotspots.

The monsoon (June–September) provides the best air quality as heavy Gangetic delta rainfall washes out particulates and suppresses road dust. Post-monsoon festivals — Diwali and Kali Puja in October–November — create sharp but temporary spikes from firecrackers. North Dumdum's air quality tracks closely with Kolkata's metropolitan readings, though the airport proximity adds a unique emission source not shared by all KMA suburbs.

Primary Pollution Sources

  • Vehicle exhaust
  • Airport emissions (Kolkata airport proximity)
  • Road dust
  • Construction dust
  • Waste burning
  • Industrial emissions (small-scale)

Geography: Northern Kolkata suburb adjacent to Netaji Subhas Chandra Bose International Airport; dense urban area, part of Kolkata metropolitan airshed

Peak pollution months: November, December, January, February

Frequently Asked Questions — North Dumdum

How does the airport affect North Dumdum's air quality?

Kolkata's Netaji Subhas Chandra Bose International Airport, located adjacent to North Dumdum, contributes aviation fuel exhaust from takeoffs and landings, ground support vehicle emissions, and construction dust from expansion projects. While not the dominant pollution source, the airport creates a constant emission baseline unique to the Dumdum suburbs within the Kolkata Metropolitan Area.

When is the worst air quality in North Dumdum?

December and January are typically the most polluted months, with AQI readings frequently in the Poor to Very Poor range (NAQI 200–300). Winter temperature inversions, reduced wind speeds, and increased waste burning combine to trap pollutants across the flat delta terrain. Post-Diwali November evenings also see severe short-term spikes.

Air Quality in Nearby Cities