Vandavasi Air Quality Index (AQI) & Air Pollution Today

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

Vandavasi AQI Right Now

44

Category: Good

Dominant Pollutant: pm10

PM2.5: 8.03 µg/m³

PM10: 43.89 µg/m³

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

Vandavasi Pollutant Levels

PollutantConcentration
PM2.58.03 µg/m³
PM1043.89 µg/m³
O₃ (Ozone)9.23 µg/m³
NO₂3.53 µg/m³
SO₂2.25 µg/m³
CO486.88 µg/m³

Health Advisory — Vandavasi

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

Health Impact — Vandavasi

Cigarette Equivalent: Breathing this air is equivalent to smoking 0.4 cigarettes per day (based on current PM2.5 levels).

Health Recommendations for Vandavasi

  • 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 Vandavasi Air Quality

Vandavasi's air quality reflects its transitional status between rural agricultural area and emerging urban center. The northeast monsoon from October to December brings good rainfall that supports rainfed and irrigated agriculture, maintaining clean air during the growing season. However, the post-monsoon period from December to February sees significant air quality degradation as farmers burn residues from sugarcane, groundnut, and paddy crops. The town's location in the northern plains of Tamil Nadu means it experiences the combined effects of local agricultural burning and pollution transport from Chennai, about 120 km north.

Brick kilns operating on the town's outskirts are a significant pollution source, especially during the dry season from December to May when brick production peaks. These traditional kilns burn coal, wood, and agricultural waste, generating substantial PM2.5 and PM10 emissions. Urban development and construction activities have increased in recent years, adding dust pollution during dry periods. Increased vehicular traffic from population growth and commerce contributes to baseline emissions year-round.

Summer from March to May is extremely hot, with temperatures often exceeding 40°C on the hottest days. Brick kilns operate at maximum capacity during this period to dry and fire bricks. Agricultural fields lie bare, contributing to dust storms during windy conditions. Road dust from unpaved areas increases significantly. The southwest monsoon from June to September brings moderate rainfall and provides a respite from both heat and pollution, though rainfall is less than the northeast monsoon. This period offers the best air quality as construction slows, agricultural burning ceases, and rain suppresses dust.

Primary Pollution Sources

  • Agricultural burning
  • Vehicular emissions
  • Brick kilns
  • Construction dust
  • Biomass combustion

Geography: Historic town known for the 1760 Battle of Wandiwash, agricultural center with mixed cropping and growing urban development.

Peak pollution months: November, December, January, February

Frequently Asked Questions — Vandavasi

How do brick kilns affect Vandavasi's air quality?

Brick kilns on the town's outskirts burn coal and biomass to fire bricks, generating substantial particulate emissions, especially during the dry season (December-May). Areas downwind of kilns experience significantly worse air quality, particularly during mornings when smoke settles near the ground.

Why is Vandavasi's air quality worse in winter despite cooler weather?

Winter months combine multiple pollution sources: agricultural stubble burning after harvest, peak brick kiln operations, stable atmospheric conditions that trap pollutants, and increased biomass burning for domestic heating. This convergence creates the worst air quality period despite pleasant temperatures.

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