Muzaffarpur Air Quality Index (AQI) & Air Pollution Today

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

Muzaffarpur AQI Right Now

95

Category: Satisfactory

Dominant Pollutant: pm25

PM2.5: 57 µg/m³

PM10: 82.89 µg/m³

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

Muzaffarpur Pollutant Levels

PollutantConcentration
PM2.557 µg/m³
PM1082.89 µg/m³
O₃ (Ozone)5.45 µg/m³
NO₂6.27 µg/m³
SO₂1.6 µg/m³
CO576.35 µg/m³

Health Advisory — Muzaffarpur

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Muzaffarpur

Cigarette Equivalent: Breathing this air is equivalent to smoking 2.6 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.31 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Muzaffarpur

  • 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 Muzaffarpur Air Quality

Muzaffarpur, India's litchi capital in the heart of North Bihar, sits on the flat Gangetic plain where the Burhi Gandak River's high water table creates persistent winter fog that compounds air quality problems. The surrounding Muzaffarpur-Vaishali litchi belt - producing over 40% of India's litchi crop - defines the agricultural landscape, but it is rice paddy residue burning after the kharif harvest that drives seasonal pollution spikes rather than the orchards themselves.

Winter months (November–February) bring severe air quality deterioration as dense fog - often persisting until late morning - traps emissions from the numerous brick kilns operating across the district, domestic biomass burning (dung cakes, wood, and crop residue used for cooking and heating), and vehicle exhaust from the busy Muzaffarpur transport hub. The flat terrain offers zero topographic relief for wind-based pollutant dispersal. Open waste burning in the absence of adequate municipal waste management adds a persistent baseline pollutant load.

The monsoon (June–September) cleanses the atmosphere effectively with heavy rainfall, though post-monsoon waterlogging creates short-term waste decomposition issues. Pre-monsoon months (March–May) see moderate air quality with occasional dust events. Bihar's rapid economic growth has increased vehicle registrations and construction activity in Muzaffarpur without commensurate investment in emission controls or waste management infrastructure.

Primary Pollution Sources

  • Vehicle exhaust
  • Road dust
  • Brick kilns
  • Domestic biomass burning
  • Agricultural burning (surrounding litchi belt)
  • Open waste burning

Geography: North Bihar gangetic plain; India's litchi capital, Burhi Gandak River basin, high water table creates winter fog, flat terrain

Peak pollution months: November, December, January, February

Frequently Asked Questions — Muzaffarpur

Why does Muzaffarpur have severe winter fog and pollution?

Muzaffarpur's location on the flat Gangetic plain near the Burhi Gandak River creates high atmospheric moisture. In winter, radiative cooling produces dense fog that persists daily, trapping emissions from brick kilns, biomass burning, and vehicles close to ground level. The flat terrain and high water table prevent both vertical and horizontal pollutant dispersion.

How does agricultural activity affect Muzaffarpur's air quality?

While litchi orchards dominate Muzaffarpur's agricultural identity, it is the burning of rice paddy stubble after the kharif harvest (October–November) that causes the most significant seasonal air quality impact. Surrounding districts also practice crop residue burning, creating a regional haze layer across North Bihar during early winter.

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