Polur Air Quality Index (AQI) & Air Pollution Today

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

Polur AQI Right Now

48

Category: Good

Dominant Pollutant: pm10

PM2.5: 19.98 µg/m³

PM10: 47.86 µg/m³

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

Polur Pollutant Levels

PollutantConcentration
PM2.519.98 µg/m³
PM1047.86 µg/m³
O₃ (Ozone)10.45 µg/m³
NO₂8.68 µg/m³
SO₂2.7 µg/m³
CO590.88 µg/m³

Health Advisory — Polur

Good: Minimal impact on health. Great day to be outdoors!

Health Impact — Polur

Cigarette Equivalent: Breathing this air is equivalent to smoking 0.9 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.06 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Polur

  • General Population: Air quality is satisfactory. Enjoy outdoor activities.
  • Elderly: No special precautions needed.
  • Children: Great day for outdoor play.
  • Lung Disease Patients: No restrictions on outdoor activities.

Understanding Polur Air Quality

Polur's air quality is dominated by its granite quarrying and processing industry, which generates substantial dust and particulate emissions throughout the year. Quarrying operations involve drilling, blasting, and excavation that release coarse rock dust, while cutting and polishing facilities produce fine silica-containing particulates particularly hazardous to respiratory health. During winter months from November to February, stable atmospheric conditions trap this industrial dust near ground level, creating elevated PM10 and PM2.5 concentrations that can make air quality unhealthy for sensitive groups. Heavy vehicles transporting granite blocks add diesel emissions and road dust to the pollution mix.

The scale of quarrying activity means dust is visible on surfaces throughout the town and surrounding areas. Processing units using diesel generators during power fluctuations add combustion emissions to the industrial burden. Summer months from March to May see peak dust generation as dry conditions and quarry operations combine with hot winds to mobilize loose particles across wide areas. Agricultural burning in nearby villages adds episodic smoke during harvest seasons. The northeast monsoon from October to December provides temporary relief through rainfall that settles dust and cleanses the atmosphere, though resumed quarrying activity after rains quickly restores elevated particulate levels. Managing Polur's air quality requires addressing industrial dust emissions through better controls on quarrying and processing operations.

Primary Pollution Sources

  • Granite quarrying dust
  • Stone cutting and processing emissions
  • Heavy vehicle transport of granite
  • Construction and road dust
  • Diesel generator emissions

Geography: Granite quarrying town in Tiruvannamalai district, with active stone extraction and processing industries.

Peak pollution months: November, December, January, February

Frequently Asked Questions — Polur

How does granite quarrying affect Polur's air quality?

Granite quarrying generates substantial dust through drilling, blasting, excavation, and transport operations. Stone cutting and polishing facilities produce fine silica-containing particulates that are particularly harmful to respiratory health. This industrial dust is present year-round and intensifies during winter months when atmospheric conditions trap particulates near ground level. Heavy vehicles transporting granite add diesel emissions and road dust.

Is the dust from granite processing dangerous?

Yes, granite processing produces fine silica dust that can cause serious respiratory problems including silicosis with long-term exposure. The fine particulates from cutting and polishing operations are small enough to penetrate deep into lungs. Workers in processing facilities and residents near quarries face the highest exposure. Using masks rated for fine dust (N95 or better) is advisable during periods of elevated particulate levels.

Air Quality in Nearby Cities