Tambaram Air Quality Index (AQI) & Air Pollution Today

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

Tambaram AQI Right Now

80

Category: Satisfactory

Dominant Pollutant: pm10

PM2.5: 31.19 µg/m³

PM10: 79.32 µg/m³

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

Tambaram Pollutant Levels

PollutantConcentration
PM2.531.19 µg/m³
PM1079.32 µg/m³
O₃ (Ozone)2.18 µg/m³
NO₂12.48 µg/m³
SO₂1.66 µg/m³
CO461.43 µg/m³

Health Advisory — Tambaram

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Tambaram

Cigarette Equivalent: Breathing this air is equivalent to smoking 1.4 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.14 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Tambaram

  • 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 Tambaram Air Quality

Tambaram's air quality is heavily influenced by its position as a major transportation hub where the Grand Southern Trunk Road and Southern Railway converge. Peak pollution occurs during winter months (November-February) when vehicle exhaust, construction dust, and localized biomass burning combine under stable atmospheric conditions. The densely trafficked GST Road corridor experiences elevated PM2.5 and PM10 levels throughout the day, with rush-hour spikes morning and evening.

The presence of the Indian Air Force base at Tambaram contributes jet fuel combustion products and occasional aviation emissions to the local air shed. Educational institutions and residential areas flanking the main corridors see moderate pollution levels, though exposure varies significantly by proximity to major roads. The railway junction's diesel locomotives add NOₓ and particulate matter to the pollution mix.

Summer and pre-monsoon months (March-June) bring some relief as sea breezes from the Bay of Bengal reach this far inland, improving ventilation. However, construction activity-both residential and commercial-remains a year-round source of respirable dust. Ground-level ozone can build during hot, sunny afternoons due to photochemical reactions involving vehicle emissions.

Primary Pollution Sources

  • Vehicle emissions from Grand Southern Trunk Road
  • Railway diesel locomotive emissions
  • Construction and road dust
  • IAF base operations
  • Biomass burning in peripheral areas

Geography: Major southern suburb of Chennai, major railway junction, IAF base, and educational hub along the GST Road corridor

Peak pollution months: November, December, January, February

Frequently Asked Questions — Tambaram

How does Tambaram's railway junction affect local air quality?

Tambaram is a major Southern Railway hub with extensive diesel locomotive operations that emit NOₓ, PM2.5, and PM10. Combined with heavy vehicular traffic on the GST Road, this creates consistent pollution hotspots near the station, especially during peak commute hours.

Are there specific areas in Tambaram with better air quality?

Residential neighborhoods set back from the GST Road and railway lines, particularly on the western side toward West Tambaram, generally experience lower pollution levels. Areas with more tree cover and less traffic congestion show notably better air quality.

Air Quality in Nearby Cities