Hajipur Air Quality Index (AQI) & Air Pollution Today

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

Hajipur AQI Right Now

206

Category: Poor

Dominant Pollutant: pm25

PM2.5: 91.65 µg/m³

PM10: 132.37 µg/m³

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

Hajipur Pollutant Levels

PollutantConcentration
PM2.591.65 µg/m³
PM10132.37 µg/m³
O₃ (Ozone)40.48 µg/m³
NO₂24.68 µg/m³
SO₂1.75 µg/m³
CO420.78 µg/m³

Health Advisory — Hajipur

Poor: Breathing discomfort to most people on prolonged exposure.

Recommendation: Sensitive groups (children, elderly, people with respiratory conditions) should limit outdoor exposure.

Warning: Everyone should avoid prolonged outdoor activities. Keep windows closed and use air purifiers if available.

Health Impact — Hajipur

Cigarette Equivalent: Breathing this air is equivalent to smoking 4.2 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.53 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Hajipur

  • General Population: Everyone should reduce prolonged outdoor exertion.
  • Elderly: Avoid outdoor activities. Stay indoors.
  • Children: Avoid outdoor play and exertion.
  • Lung Disease Patients: Stay indoors. Keep windows closed.

Understanding Hajipur Air Quality

Hajipur lies directly across the Ganges from Patna, connected by the 5.75-kilometre Mahatma Gandhi Setu-one of India's longest river bridges-which funnels enormous volumes of vehicular traffic through the town daily. This geographic intimacy with Bihar's capital means Hajipur effectively shares Patna's pollution airshed while adding its own distinctive emission sources. The town is nationally famous as India's banana capital, and the food processing and cold storage industry that has grown around this trade contributes diesel generator emissions and transport exhaust from the constant movement of refrigerated trucks.

October through January sees severe air quality deterioration that closely tracks Patna's pollution cycle. Hajipur sits on the Ganges' northern floodplain at an even lower elevation than Patna, making it particularly susceptible to cold air pooling and persistent fog formation. The Mahatma Gandhi Setu acts as a diesel exhaust corridor, with thousands of heavy trucks crossing daily and idling in long queues during peak traffic and fog-related slowdowns. Brick kilns along the Gandak River to the west and domestic biomass burning throughout the district provide the familiar Gangetic winter pollution baseline. The banana wholesale market's constant truck traffic adds a unique urban freight emission component that most similarly sized Bihar towns lack.

Monsoon relief from June through September is dramatic, with rainfall exceeding 1,100 mm cleaning the atmosphere. The Ganges floods the low-lying northern bank areas more severely than the southern Patna side, temporarily rendering some brick kiln sites inoperable and washing dust from roads. Pre-monsoon months bring moderate air quality with adequate wind dispersal. Hajipur's air quality future is intertwined with Patna's-the proposed multi-modal transport corridors and new bridge projects will either concentrate or redistribute vehicular emissions across the trans-Ganges metropolitan area.

Primary Pollution Sources

  • Vehicle exhaust from Ganges bridge traffic
  • Food processing industry emissions
  • Brick kilns
  • Domestic biomass burning
  • Road dust

Geography: Vaishali district headquarters on the northern bank of the Ganges opposite Patna; connected by the Mahatma Gandhi Setu, major banana trade hub and food processing centre

Peak pollution months: October, November, December, January

Frequently Asked Questions — Hajipur

Does the Mahatma Gandhi Setu affect Hajipur's air quality?

Yes, significantly. The 5.75 km bridge funnels thousands of vehicles daily through Hajipur, with heavy trucks often idling in queues during peak hours and fog. This concentrated diesel exhaust along the bridge approach corridor creates a linear pollution hotspot through the town. Bridge traffic is one of Hajipur's most distinctive pollution sources compared to other Bihar towns of similar size.

Is Hajipur's air quality the same as Patna's?

Hajipur and Patna share the same Ganges-basin airshed and experience similar seasonal pollution patterns. However, Hajipur's lower elevation on the northern floodplain can cause slightly worse fog conditions, while Patna has more industrial and vehicular sources overall. On highly polluted winter days, the two cities' PM2.5 readings are often within similar ranges due to cross-river pollution transport.

Air Quality in Nearby Cities