Nagercoil Air Quality Index (AQI) & Air Pollution Today

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

Nagercoil AQI Right Now

64

Category: Satisfactory

Dominant Pollutant: pm25

PM2.5: 37.92 µg/m³

PM10: 38.86 µg/m³

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

Nagercoil Pollutant Levels

PollutantConcentration
PM2.537.92 µg/m³
PM1038.86 µg/m³
O₃ (Ozone)35.61 µg/m³
NO₂6.84 µg/m³
SO₂2.64 µg/m³
CO198.62 µg/m³

Health Advisory — Nagercoil

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Nagercoil

Cigarette Equivalent: Breathing this air is equivalent to smoking 1.7 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.18 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Nagercoil

  • 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 Nagercoil Air Quality

Nagercoil, the administrative headquarters of Kanyakumari district at India's near-southernmost tip, enjoys some of the cleanest air of any Indian city thanks to its exceptional geographic position. Situated between the Arabian Sea to the west and the southern terminus of the Western Ghats to the east, the town receives wind from multiple directions and benefits from dual-sea proximity that ensures near-constant natural ventilation. Annual rainfall exceeds 1,500 mm courtesy of both the southwest and northeast monsoons, providing extensive wet deposition that scrubs particulates from the atmosphere.

The dry months of December through March represent the relative pollution peak, though absolute levels remain low by Indian standards. PM2.5 concentrations during this period typically stay in the 20–40 µg/m³ range - a level that would be considered excellent in most north Indian cities. Localised pollution sources include vehicle exhaust on the narrow streets of the old town, rubber sheet processing units in surrounding villages (which emit acetic acid and organic VOCs during smoking/drying), coir (coconut fibre) processing that generates organic dust, and scattered open waste burning. Construction activity from urban expansion adds some dust during dry spells.

The monsoon seasons - southwest (June–August) and northeast (October–November) - bring heavy rainfall that keeps air quality consistently in the Good category. Nagercoil's proximity to Kanyakumari, where the Arabian Sea, Indian Ocean, and Bay of Bengal converge, means the town is rarely far from maritime air masses that dilute and disperse pollutants. The surrounding rubber, coconut, and spice plantations provide extensive green cover that further aids natural air filtration. Overall, Nagercoil ranks among the cleanest urban centres in India.

Primary Pollution Sources

  • Vehicle exhaust
  • Road dust
  • Construction dust
  • Rubber processing emissions
  • Waste burning
  • Coir industry emissions

Geography: Near India's southernmost tip (Kanyakumari); coastal town between Arabian Sea and Western Ghats, tropical climate, very high rainfall

Peak pollution months: December, January, February, March

Frequently Asked Questions — Nagercoil

Why does Nagercoil have such good air quality?

Nagercoil's location near India's southernmost tip gives it dual-sea ventilation from the Arabian Sea and Bay of Bengal, ensuring near-constant wind. Very high annual rainfall (1,500+ mm) from two monsoon seasons provides extensive atmospheric cleansing. The absence of heavy industry, surrounding plantation green cover, and tropical climate all contribute to consistently good air quality.

What are the minor pollution sources in Nagercoil?

Nagercoil's modest pollution comes from vehicle exhaust in congested town streets, small-scale rubber sheet processing (which emits organic VOCs during smoking), coir fibre processing dust, construction activity, and scattered waste burning. None of these sources generate enough emissions to significantly degrade the naturally clean air.

Air Quality in Nearby Cities