Poonamallee Air Quality Index (AQI) & Air Pollution Today

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

Poonamallee AQI Right Now

65

Category: Satisfactory

Dominant Pollutant: pm10

PM2.5: 33.28 µg/m³

PM10: 64.7 µg/m³

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

Poonamallee Pollutant Levels

PollutantConcentration
PM2.533.28 µg/m³
PM1064.7 µg/m³
O₃ (Ozone)8.27 µg/m³
NO₂6.55 µg/m³
SO₂1.28 µg/m³
CO320.89 µg/m³

Health Advisory — Poonamallee

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Poonamallee

Cigarette Equivalent: Breathing this air is equivalent to smoking 1.5 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.15 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Poonamallee

  • 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 Poonamallee Air Quality

Poonamallee's air quality reflects its position along the National Highway 4 corridor where heavy commercial vehicle traffic contributes significant diesel particulates and NOₓ emissions. Winter months (November-February) see the worst pollution as temperature inversions trap vehicle exhaust and emissions from small-scale industrial units near ground level. The military cantonment adds occasional emissions from training exercises and vehicle operations, though these are generally well-managed compared to civilian sources.

Industrial zones on Poonamallee's periphery house manufacturing units that emit chemical fumes, welding smoke, and process dust. When combined with construction dust from ongoing residential and commercial development, particulate matter levels can reach unhealthy levels for sensitive groups. Agricultural areas on the town's fringes sometimes experience crop residue burning, adding biomass smoke to the pollution mix during harvest seasons (January-February and May-June).

The pre-monsoon and monsoon months (June-November) bring improved dispersion and rain-mediated cleansing, though humidity can cause certain pollutants to form secondary particles. Summer (March-June) sees moderate air quality with occasional ozone formation during hot afternoons. Residents near the highway or industrial zones face elevated exposure and should monitor AQI regularly.

Primary Pollution Sources

  • Vehicular emissions from NH 4 and arterial roads
  • Military cantonment operations
  • Industrial zone emissions
  • Construction dust
  • Agricultural burning in peripheral areas

Geography: Western Chennai suburb with military cantonment, positioned along National Highway 4 with mixed industrial, military, and residential zones

Peak pollution months: November, December, January, February

Frequently Asked Questions — Poonamallee

How does the cantonment presence affect Poonamallee's air quality?

The military cantonment in Poonamallee adds vehicle emissions and occasional training-related activities, but military facilities generally follow environmental protocols. The bigger impact comes from NH 4 traffic and surrounding industrial operations.

What seasonal patterns should Poonamallee residents be aware of?

November-February brings the worst air quality due to winter inversions trapping pollution. Agricultural burning may occur in January-February and May-June during harvest seasons. Monsoon months (June-November) generally offer the best air quality.

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