Arakkonam Air Quality Index (AQI) & Air Pollution Today

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

Arakkonam AQI Right Now

64

Category: Satisfactory

Dominant Pollutant: pm10

PM2.5: 30.9 µg/m³

PM10: 63.58 µg/m³

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

Arakkonam Pollutant Levels

PollutantConcentration
PM2.530.9 µg/m³
PM1063.58 µg/m³
O₃ (Ozone)10.88 µg/m³
NO₂15.86 µg/m³
SO₂3.31 µg/m³
CO503.2 µg/m³

Health Advisory — Arakkonam

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Arakkonam

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 Arakkonam

  • 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 Arakkonam Air Quality

Arakkonam's air quality is shaped by its dual role as major railway junction and home to INS Rajali, the Indian Navy's aircraft carrier training facility. Winter months (November-February) bring elevated pollution as temperature inversions trap emissions from diesel locomotives, naval aviation operations, and heavy vehicular traffic on National Highway 16. Railway yard operations involving diesel engines contribute significant NOₓ and particulate matter, particularly during marshaling operations and extended idling.

The naval air station adds jet fuel combustion products and occasional aviation emissions from carrier-based aircraft training. While military facilities generally maintain environmental protocols, the nature of flight operations means intermittent exposure to aviation pollutants for nearby residents. Commercial and residential development around the station has created proximity concerns. Vehicle traffic on NH 16, particularly heavy commercial vehicles, adds to the pollution burden with diesel exhaust and road dust.

Light industrial operations on the town's periphery contribute varied emissions depending on sector. Construction dust from ongoing urban development remains a year-round concern. Summer and monsoon months see improved dispersion and air quality. Overall, Arakkonam experiences moderate pollution typical of Tier-2 transport hub towns, with military operations adding a unique element to the local air quality profile.

Primary Pollution Sources

  • Naval air station aircraft and ground operations
  • Railway diesel locomotive emissions
  • Vehicle traffic from NH 16
  • Construction dust
  • Industrial zone emissions

Geography: Railway junction town with Indian Naval Air Station (INS Rajali) and position on NH 16 corridor; mixed military, transport, and light industrial character

Peak pollution months: November, December, January, February

Frequently Asked Questions — Arakkonam

How does the naval air station affect Arakkonam's air quality?

INS Rajali operates jet aircraft that emit combustion products including ultrafine particles and VOCs. Flight operations are intermittent but can create short-term pollution spikes near the base. The bigger continuous impacts come from the railway junction and NH 16 traffic.

What are the main air quality concerns for Arakkonam residents?

Diesel emissions from railway locomotives and highway traffic are the primary concerns, particularly during winter months. Residents near the rail yards or NH 16 face higher exposures. Naval air operations add occasional aviation pollutants but are less significant than transport sources.

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