Ballari (Bellary) Air Quality Index (AQI) & Air Pollution Today

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

Ballari AQI Right Now

115

Category: Moderate

Dominant Pollutant: pm25

PM2.5: 64.35 µg/m³

PM10: 64.35 µg/m³

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

Ballari Pollutant Levels

PollutantConcentration
PM2.564.35 µg/m³
PM1064.35 µg/m³
O₃ (Ozone)73.32 µg/m³
NO₂19.93 µg/m³
SO₂2.31 µg/m³
CO490.2 µg/m³

Health Advisory — Ballari

Moderate: Breathing discomfort to people with lungs, asthma and heart diseases.

Health Impact — Ballari

Cigarette Equivalent: Breathing this air is equivalent to smoking 2.9 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.35 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Ballari

  • General Population: People with respiratory or heart conditions should limit prolonged outdoor exertion.
  • Elderly: Reduce prolonged outdoor activities.
  • Children: Reduce prolonged outdoor play.
  • Lung Disease Patients: Avoid prolonged outdoor exertion.

Understanding Ballari Air Quality

Ballari, India's iron ore capital, sits at the epicentre of the Sandur-Hospet-Bellary mining belt in northern Karnataka's semi-arid Deccan Plateau. The massive open-cast iron ore mines operated by NMDC, JSW, and other companies generate enormous quantities of PM10 dust - red laterite particles that coat the city and surrounding villages in a distinctive rust-coloured haze. Steel pelletisation plants and crushing units add industrial emissions that further degrade air quality, particularly during peak mining operations from October through May.

The Supreme Court's Central Empowered Committee (CEC) has repeatedly flagged this region for environmental violations, and mining bans have been periodically imposed. Despite regulatory intervention, the combination of active mines, ore processing plants, heavy mining truck traffic on unpaved haul roads, and crushing units keeps particulate levels elevated. Winter temperature inversions (November–February) trap this mineral-laden dust in the valley between the Sandur Hills, pushing PM10 to hazardous levels.

Monsoon rains (June–September) bring significant relief, suppressing mining dust and washing out airborne particulates. However, the red laterite soil ensures that even during wetter months, any vehicular movement on unpaved roads generates visible dust plumes. Ballari's semi-arid climate, with less than 600mm annual rainfall, means most of the year favours dust accumulation rather than natural washout.

Primary Pollution Sources

  • Iron ore mining dust
  • Steel plant emissions
  • Vehicle exhaust
  • Road dust
  • Construction dust
  • Crushing unit emissions

Geography: Deccan Plateau in northern Karnataka; India's iron ore mining hub (Sandur-Hospet-Bellary belt), semi-arid rocky terrain

Peak pollution months: November, December, January, February

Frequently Asked Questions — Ballari

Why is Ballari's air quality so poor?

Ballari sits at the heart of India's largest iron ore mining belt. Open-cast mines, steel pellet plants, crushing units, and heavy mining truck traffic on unpaved roads generate massive PM10 dust. The semi-arid climate with less than 600mm annual rainfall provides minimal natural washout, and red laterite soil creates persistent dust issues year-round.

How does iron ore mining affect Ballari's air pollution?

Iron ore mining in the Sandur-Hospet-Bellary belt creates enormous dust clouds from blasting, excavation, transport on unpaved roads, and crushing operations. Fine red laterite particles remain airborne for extended periods, contributing to elevated PM10 levels that have prompted Supreme Court intervention and periodic mining bans in the region.

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