Kalyan-Dombivli Air Quality Index (AQI) & Air Pollution Today

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

Kalyan-Dombivli AQI Right Now

108

Category: Moderate

Dominant Pollutant: pm10

PM2.5: 44.13 µg/m³

PM10: 111.13 µg/m³

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

Kalyan-Dombivli Pollutant Levels

PollutantConcentration
PM2.544.13 µg/m³
PM10111.13 µg/m³
O₃ (Ozone)14.12 µg/m³
NO₂21.57 µg/m³
SO₂12.15 µg/m³
CO298.18 µg/m³

Health Advisory — Kalyan-Dombivli

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

Health Impact — Kalyan-Dombivli

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 Kalyan-Dombivli

  • 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 Kalyan-Dombivli Air Quality

Kalyan-Dombivli, one of the largest satellite cities in the Mumbai Metropolitan Region, lies along the Ulhas River approximately 55 km northeast of Mumbai. Home to over 1.2 million residents, it functions primarily as a dormitory town with a massive daily commuter flow to Mumbai, while also hosting the Dombivli MIDC (industrial estate) with chemical, pharmaceutical, and engineering manufacturing units.

Winter months (November–February) see the worst air quality, with PM2.5 levels reaching 100–140 µg/m³. The Ulhas River valley creates a natural trough where cold air pools during winter nights, trapping emissions from the dense residential-commercial core, the MIDC industrial belt, and the heavy traffic on NH-4 (Mumbai-Pune corridor) and the parallel railway lines. The Dombivli MIDC area has faced repeated MPCB notices for chemical emissions and effluent discharge, with residents reporting noxious odours and eye irritation during calm weather.

The monsoon season (June–September) brings dramatic relief with heavy rainfall (2,000+ mm) washing out pollutants. However, post-monsoon waste burning and the start of wedding/festival season create a rapid AQI deterioration from October onwards. The city's ongoing infrastructure projects - Metro Line 5 (Thane-Kalyan), Kalyan-Dombivli ring road, and numerous residential towers - generate persistent construction dust.

Primary Pollution Sources

  • Vehicle exhaust
  • Industrial emissions (MIDC Dombivli)
  • Construction dust
  • Road dust
  • Waste burning
  • Rail corridor emissions

Geography: Mumbai Metropolitan Region satellite city; Ulhas River basin, flat terrain transitioning from coastal lowland to Western Ghats foothills

Peak pollution months: November, December, January, February

Frequently Asked Questions — Kalyan-Dombivli

Does Kalyan-Dombivli have the same air quality as Mumbai?

Kalyan-Dombivli's air quality can be worse than central Mumbai during winter due to the Ulhas River valley trapping emissions. The MIDC industrial area adds a chemical pollution component less prominent in Mumbai proper. However, the heavy monsoon rainfall provides similar seasonal cleansing.

What is the MIDC industrial area's impact on Kalyan-Dombivli air?

The Dombivli MIDC houses chemical, pharmaceutical, and engineering units that contribute VOCs, SO2, and PM to ambient air. During calm winter conditions, industrial emissions can drift into residential areas. MPCB monitoring has flagged several units for exceeding emission norms.

Air Quality in Nearby Cities