Ambarnath Air Quality Index (AQI) & Air Pollution Today

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

Ambarnath AQI Right Now

112

Category: Moderate

Dominant Pollutant: pm10

PM2.5: 48.38 µg/m³

PM10: 116.17 µg/m³

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

Ambarnath Pollutant Levels

PollutantConcentration
PM2.548.38 µg/m³
PM10116.17 µg/m³
O₃ (Ozone)24.25 µg/m³
NO₂19.98 µg/m³
SO₂9.65 µg/m³
CO427.16 µg/m³

Health Advisory — Ambarnath

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

Health Impact — Ambarnath

Cigarette Equivalent: Breathing this air is equivalent to smoking 2.2 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.25 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Ambarnath

  • 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 Ambarnath Air Quality

Ambarnath, an industrial satellite town in the Ulhas River valley of the Mumbai Metropolitan Region, has evolved from a quiet settlement around its ancient Shiva temple into a dense urban-industrial centre. The Ambarnath MIDC (Maharashtra Industrial Development Corporation) area hosts chemical, pharmaceutical, and engineering factories whose emissions contribute significantly to the local pollution burden. The town's position in the narrow Ulhas valley between the Western Ghats and the coastal lowlands creates complex air dynamics.

Winter months (November–February) bring the worst air quality as temperature inversions in the Ulhas valley trap industrial emissions, vehicular exhaust from the busy Mumbai–Pune corridor, and construction dust from rapid residential development. PM2.5 levels can reach 90–130 µg/m³ during stagnant conditions. The valley geography acts as a channel that can either funnel sea breezes for ventilation or trap pollutants when winds are calm.

The southwest monsoon (June–September) delivers excellent air quality with 2,500+ mm of rainfall - among the highest in the MMR. This heavy rainfall effectively scrubs the atmosphere but also creates waterlogging issues. The Ulhas River's industrial pollution from upstream MIDC areas releases VOCs during dry seasons, affecting riverside air quality. Ambarnath's ongoing transformation from industrial to residential use is slowly changing its pollution profile.

Primary Pollution Sources

  • Industrial emissions (chemical and pharmaceutical plants)
  • Vehicle exhaust
  • Construction dust
  • Road dust
  • Municipal waste burning
  • Railway and freight corridor emissions

Geography: Mumbai Metropolitan Region in the Ulhas River valley; industrial suburb between Mumbai and the Western Ghats foothills, part of Thane district

Peak pollution months: November, December, January, February

Frequently Asked Questions — Ambarnath

How does the Ulhas valley geography affect Ambarnath's air quality?

Ambarnath sits in the narrow Ulhas River valley between the Western Ghats foothills and the coastal plains. This valley geometry can trap industrial and vehicular emissions during calm winter conditions, creating pollution hotspots. However, when sea breezes funnel through the valley, they provide effective ventilation. The valley's high monsoon rainfall (2,500+ mm) ensures excellent air quality during June–September.

What industries pollute Ambarnath's air?

The Ambarnath MIDC hosts chemical manufacturing, pharmaceutical production, dye and pigment factories, and engineering workshops. These facilities emit VOCs, acid fumes, fine particulates, and solvent vapours. While many older polluting units have relocated or closed, the remaining chemical and pharma industries still contribute measurably to local air pollution.

Air Quality in Nearby Cities