Nalanda Air Quality Index (AQI) & Air Pollution Today

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

Nalanda AQI Right Now

61

Category: Satisfactory

Dominant Pollutant: pm25

PM2.5: 36.07 µg/m³

PM10: 54.41 µg/m³

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

Nalanda Pollutant Levels

PollutantConcentration
PM2.536.07 µg/m³
PM1054.41 µg/m³
O₃ (Ozone)6.16 µg/m³
NO₂6.88 µg/m³
SO₂2.05 µg/m³
CO907.4 µg/m³

Health Advisory — Nalanda

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Nalanda

Cigarette Equivalent: Breathing this air is equivalent to smoking 1.6 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.17 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Nalanda

  • 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 Nalanda Air Quality

Nalanda, home to the ruins of the ancient Nalanda Mahavihara — one of the world's first residential universities, now a UNESCO World Heritage Site — is a small town in southern Bihar whose air quality story is intertwined with its extraordinary archaeological significance. The site draws hundreds of thousands of visitors annually, including large Buddhist delegations from East and Southeast Asia, and the ongoing construction of the new Nalanda International University nearby has added a significant construction dust component to local emissions. Unlike purely agricultural Bihar towns, Nalanda must balance heritage conservation with development pressures.

Winter months (October–January) bring the worst air quality conditions. Tourist season peaks during the cooler months, increasing diesel bus and car traffic on the narrow roads connecting Nalanda to Rajgir and Bihar Sharif. Domestic biomass burning in surrounding villages — still the primary cooking fuel source — creates a persistent haze layer that can obscure views of the ancient ruins. Construction activity at the new university campus and tourism infrastructure projects generates fine dust. Brick kilns operating in the district and post-harvest rice burning from nearby agricultural fields compound the winter pollution. Temperature inversions on the relatively flat terrain trap these emissions effectively.

The monsoon (June–September) brings clean air with over 1,000 mm of rainfall, though it temporarily reduces tourist numbers and can cause waterlogging around the archaeological site. Spring months (March–May) see moderate air quality with occasional dust from dry fields. The proximity to the Rajgir Hills provides marginally better air circulation than the completely flat Gangetic settlements to the north. Nalanda's cultural significance creates a strong case for prioritising air quality management to protect both heritage structures and visitor experience.

Primary Pollution Sources

  • Vehicle exhaust from tourism traffic
  • Domestic biomass burning
  • Construction dust
  • Brick kilns
  • Agricultural burning

Geography: Southern Bihar near Bihar Sharif; UNESCO World Heritage site of ancient Nalanda University ruins, Buddhist pilgrimage circuit, Rajgir Hills in proximity

Peak pollution months: October, November, December, January

Frequently Asked Questions — Nalanda

Does tourism affect air quality at the Nalanda UNESCO site?

Yes — peak tourist season (October–February) brings hundreds of diesel buses and cars to Nalanda daily, generating concentrated vehicular exhaust along access roads. The construction of the new Nalanda International University and related tourism infrastructure adds construction dust. Hotel generators during power outages also contribute localised diesel emissions in the hospitality zone.

Is air pollution damaging the ancient Nalanda ruins?

Particulate pollution and vehicular emissions can accelerate weathering of the ancient brick structures at Nalanda Mahavihara. Acidic compounds from vehicle exhaust and biomass burning react with brick and morite surfaces over time. The Archaeological Survey of India monitors the site, but the increasing pollution load from surrounding development and winter haze remains a conservation concern for this UNESCO World Heritage Site.

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