Munger Air Quality Index (AQI) & Air Pollution Today
Bihar, India — Real-time Air Quality Index (AQI) and PM2.5
Munger AQI Right Now
Category: Good
Dominant Pollutant: pm10
PM2.5: 28.44 µg/m³
PM10: 49.66 µg/m³
Last updated: 2026-03-24 — Data source: Google Air Quality API (NAQI). Live NAQI values load when you visit the page.
Munger Pollutant Levels
| Pollutant | Concentration |
|---|---|
| PM2.5 | 28.44 µg/m³ |
| PM10 | 49.66 µg/m³ |
| O₃ (Ozone) | 5.01 µg/m³ |
| NO₂ | 8.76 µg/m³ |
| SO₂ | 19.69 µg/m³ |
| CO | 567.68 µg/m³ |
Health Advisory — Munger
Good: Minimal impact on health. Great day to be outdoors!
Health Impact — Munger
Cigarette Equivalent: Breathing this air is equivalent to smoking 1.3 cigarettes per day (based on current PM2.5 levels).
Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.12 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).
Health Recommendations for Munger
- General Population: Air quality is satisfactory. Enjoy outdoor activities.
- Elderly: No special precautions needed.
- Children: Great day for outdoor play.
- Lung Disease Patients: No restrictions on outdoor activities.
Understanding Munger Air Quality
Munger is one of Bihar's most historically significant cities, perched on the southern bank of the Ganges with a centuries-old fort and a legacy that spans Mughal, British, and modern eras. Today it is known for two distinctive identities: the Bihar School of Yoga — one of the world's most renowned yoga institutions, drawing international practitioners — and a long-standing cottage industry of gun manufacturing that has operated for over a century. The city's industrial profile, while modest, includes metalworking, small-arms manufacturing, and food processing units that contribute to localised air emissions beyond the typical Bihar agricultural-biomass pattern.
The October–January period brings the worst air quality as the Ganges creates a persistent moisture corridor that intensifies fog formation. Temperature inversions trap emissions from the metalworking and small-arms workshops in the old city, domestic biomass burning from low-income residential areas, and brick kiln smoke from the periurban belt. The Kharagpur Hills to Munger's south can partially block southerly wind flow, creating stagnant air conditions during calm winter days. The Ganges riverfront, popular with yoga practitioners and tourists, experiences localised haze from cremation ghats and boat engine emissions.
Monsoon rains (June–September) averaging 1,100–1,300 mm cleanse the air effectively, and the Ganges in full flood creates strong local wind patterns that aid dispersion. Post-monsoon October offers a brief clean window. The pre-monsoon period (March–May) sees rising dust from dry riverbanks and roads, but air quality remains better than the winter months. Munger's growing tourism footprint around yoga and heritage sites creates an incentive for cleaner air that most Bihar towns lack.
Primary Pollution Sources
- Small-scale industrial emissions
- Vehicle exhaust
- Domestic biomass burning
- Brick kilns
- Road dust
Geography: Historic fort city on the southern bank of the Ganges in eastern Bihar; Bihar School of Yoga, gun manufacturing tradition, Kharagpur Hills to the south
Peak pollution months: October, November, December, January
Frequently Asked Questions — Munger
Does Munger's gun manufacturing industry affect air quality?
Munger's small-arms and metalworking cottage industry contributes localised emissions including metal fumes, particulates from forging and grinding, and fuel combustion from small furnaces. While the total volume is modest compared to biomass burning or brick kilns, workshops concentrated in the old city area create elevated localised PM2.5 and metal particulate levels that affect nearby residents.
How does the Ganges affect Munger's winter air quality?
The Ganges creates a persistent moisture corridor along Munger's northern edge that intensifies winter fog formation. This moisture, combined with radiative cooling on clear nights, produces dense fog layers that trap pollutants close to the ground. The river also contributes localised emissions from cremation ghats and diesel boat engines, though these are minor compared to the overall pollution load.
Air Quality in Nearby Cities
- Khagaria AQI — Bihar
- Begusarai AQI — Bihar
- Lakhisarai AQI — Bihar
- Bhagalpur AQI — Bihar
- Jamui AQI — Bihar
- Saharsa AQI — Bihar