Karur Air Quality Index (AQI) & Air Pollution Today

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

Karur AQI Right Now

74

Category: Satisfactory

Dominant Pollutant: pm25

PM2.5: 44.22 µg/m³

PM10: 44.22 µg/m³

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

Karur Pollutant Levels

PollutantConcentration
PM2.544.22 µg/m³
PM1044.22 µg/m³
O₃ (Ozone)33.93 µg/m³
NO₂10.84 µg/m³
SO₂4.71 µg/m³
CO541.38 µg/m³

Health Advisory — Karur

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Karur

Cigarette Equivalent: Breathing this air is equivalent to smoking 2 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.22 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Karur

  • 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 Karur Air Quality

Karur's industrial character as a textile hub creates persistent air quality challenges throughout the year. The concentration of dyeing units and textile processing facilities releases chemical fumes and particulate matter, particularly from boiler chimneys burning coal and biomass for steam generation. The bus body building industry adds metalworking emissions, paint fumes, and diesel generator exhausts to the local atmosphere. During winter months, temperature inversions trap these industrial emissions along with vehicle exhaust from commercial traffic, creating the year's poorest air quality conditions.

Summer months bring dust from construction activities and unpaved areas around industrial zones, though reduced biomass burning offers some respite. The monsoon seasons provide temporary relief through rain-induced pollutant washout, but humidity can create hazy conditions. The textile industry's water-intensive processes and discharge into the Cauvery have historically caused environmental concerns, and air emissions from energy-intensive dyeing and finishing operations continue to impact worker and community health. The clustering of small and medium enterprises means emissions are distributed throughout industrial pockets rather than concentrated in isolated zones.

Primary Pollution Sources

  • Textile dyeing units
  • Bus body building workshops
  • Vehicular emissions
  • Construction dust
  • Biomass burning

Geography: Major textile and bus body building manufacturing center on the Cauvery River, known for home textiles and handloom industry with numerous dyeing units.

Peak pollution months: November, December, January, February

Frequently Asked Questions — Karur

How do Karur's textile dyeing units affect air quality?

Dyeing and textile processing units use coal and biomass-fired boilers for steam generation and drying, releasing particulate matter and chemical vapors from dyes and finishing agents throughout production cycles.

What is the impact of bus body building on Karur's air?

Bus body manufacturing involves metal cutting, welding, spray painting, and diesel generator operation, contributing industrial emissions, volatile organic compounds, and particulate matter to the local atmosphere.

Air Quality in Nearby Cities