Tiruvannamalai Air Quality Index (AQI) & Air Pollution Today

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

Tiruvannamalai AQI Right Now

67

Category: Satisfactory

Dominant Pollutant: pm25

PM2.5: 39.8 µg/m³

PM10: 39.8 µg/m³

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

Tiruvannamalai Pollutant Levels

PollutantConcentration
PM2.539.8 µg/m³
PM1039.8 µg/m³
O₃ (Ozone)17.98 µg/m³
NO₂12.64 µg/m³
SO₂2.84 µg/m³
CO572.43 µg/m³

Health Advisory — Tiruvannamalai

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Tiruvannamalai

Cigarette Equivalent: Breathing this air is equivalent to smoking 1.8 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.19 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Tiruvannamalai

  • 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 Tiruvannamalai Air Quality

Tiruvannamalai's air quality is profoundly influenced by its religious significance and the resulting influx of pilgrims, particularly during full moon days and the Karthigai Deepam festival. The constant circular traffic of devotees performing the 14-kilometer girivalam around Arunachala mountain creates persistent vehicular emissions that are compounded by inadequate road width and traffic management. Temple ritual activities including mass burning of camphor, incense, and oil lamps in the vast Arunachaleswarar Temple complex release combustion products into the densely built heritage core where air circulation is limited.

Winter months coincide with peak pilgrimage season, creating the year's worst air quality as tourist buses, private vehicles, and commercial activity intensify while atmospheric inversions trap emissions. The Karthigai Deepam festival in November-December sees massive crowds and the lighting of thousands of lamps, creating a temporary but severe pollution episode. Summer months bring relief from pilgrimage pressure but introduce dust from construction of pilgrim facilities and dried-up seasonal streams around the mountain. The town's rapid commercialization to serve religious tourism has increased traffic congestion and reduced green cover. Local residents experience chronic exposure to emissions that spike dramatically during festival periods, creating significant health equity concerns between the religious economy's benefits and its environmental costs.

Primary Pollution Sources

  • Vehicular emissions from pilgrims
  • Temple activities and incense
  • Biomass burning
  • Construction dust
  • Small-scale industries

Geography: Major Shaivite pilgrimage center dominated by Arunachaleswarar Temple and sacred mountain, attracting millions of devotees annually for girivalam circumambulation.

Peak pollution months: November, December, January, February

Frequently Asked Questions — Tiruvannamalai

How do pilgrim activities affect Tiruvannamalai's air quality?

The constant influx of devotees, especially during full moons, creates heavy vehicular traffic around the sacred mountain, while temple rituals involving mass burning of camphor, incense, and oil lamps release combustion emissions in the dense heritage core.

What happens to air quality during Karthigai Deepam festival?

The festival attracts millions of pilgrims, creating extreme traffic congestion and parking pressure, while the lighting of thousands of lamps on the mountain and in homes releases significant smoke and particulate matter in a concentrated period.

Air Quality in Nearby Cities