Katni Air Quality Index (AQI) & Air Pollution Today

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

Katni AQI Right Now

60

Category: Satisfactory

Dominant Pollutant: pm10

PM2.5: 26.02 µg/m³

PM10: 59.69 µg/m³

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

Katni Pollutant Levels

PollutantConcentration
PM2.526.02 µg/m³
PM1059.69 µg/m³
O₃ (Ozone)45.64 µg/m³
NO₂13.18 µg/m³
SO₂7.49 µg/m³
CO497.51 µg/m³

Health Advisory — Katni

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Katni

Cigarette Equivalent: Breathing this air is equivalent to smoking 1.2 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.1 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Katni

  • 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 Katni Air Quality

Katni, known as the limestone capital of Madhya Pradesh, sits amid the Vindhya range foothills where enormous deposits of high-grade limestone have spawned a dense cluster of cement plants, lime kilns, and stone-crushing operations. Major cement companies including ACC, UltraTech, and Prism Cement operate large plants in the Katni-Maihar belt, making this region one of India's most concentrated cement manufacturing corridors. The cumulative impact of kiln emissions, limestone crushing dust, and clinker handling creates a pervasive gritty particulate haze that defines Katni's air quality character. Additionally, Katni is a critical railway junction where six rail lines converge, adding locomotive and marshalling-yard emissions.

Winter months (November–February) bring severe air quality deterioration as temperature inversions over the Vindhya foothills trap cement kiln emissions, quarry dust, and railway-yard exhaust near the surface. PM10 from limestone and cement dust frequently exceeds 200 µg/m³ in areas near the industrial belt, while PM2.5 from kiln combustion reaches 90–130 µg/m³. The alkaline nature of cement and limestone dust gives Katni's particulates a distinctive chemical composition - high in calcium carbonate and calcium oxide - that can irritate respiratory passages at lower concentrations than typical urban dust.

The monsoon (July–September) brings 1,100–1,300 mm of rainfall that provides significant but incomplete relief - cement plants and railway operations continue year-round, maintaining a pollution baseline even during the wettest months. The Vindhya terrain provides some topographic channelling of winds that can either ventilate or concentrate emissions depending on direction. Katni's cumulative industrial pollution makes it one of the most polluted small cities in Madhya Pradesh, a situation compounded by limited monitoring infrastructure and regulatory enforcement.

Primary Pollution Sources

  • Cement factory dust
  • Limestone quarrying and crushing dust
  • Railway junction emissions
  • Vehicle exhaust
  • Road dust

Geography: Vindhya range foothills in eastern Madhya Pradesh; India's major limestone and cement manufacturing hub, critical railway junction at the junction of multiple lines

Peak pollution months: November, December, January, February

Frequently Asked Questions — Katni

How does cement manufacturing affect Katni's air quality?

Katni hosts multiple large cement plants (ACC, UltraTech, Prism) and hundreds of smaller lime kilns and stone-crushing units. Cement production involves limestone quarrying (dust), clinker burning in rotary kilns (SO2, NOx, fine PM), and cement grinding (alkaline dust). The cumulative emissions from this concentrated industrial corridor create chronically elevated PM10 and PM2.5 levels, with alkaline cement dust depositing on surfaces across the town.

When is the best time to visit Katni for clean air?

August and September during the peak monsoon offer the cleanest air, with heavy rainfall suppressing quarry dust and diluting industrial emissions. However, even during the monsoon, cement plants continue operating and localised industrial dust persists near factory complexes. Katni's year-round industrial baseline means truly clean air comparable to non-industrial towns is rarely achieved.

Air Quality in Nearby Cities