Jorhat Air Quality Index (AQI) & Air Pollution Today

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

Jorhat AQI Right Now

75

Category: Satisfactory

Dominant Pollutant: pm25

PM2.5: 44.41 µg/m³

PM10: 44.41 µg/m³

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

Jorhat Pollutant Levels

PollutantConcentration
PM2.544.41 µg/m³
PM1044.41 µg/m³
O₃ (Ozone)13.83 µg/m³
NO₂15.97 µg/m³
SO₂2.91 µg/m³
CO273.08 µg/m³

Health Advisory — Jorhat

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Jorhat

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 Jorhat

  • 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 Jorhat Air Quality

Jorhat, the former capital of the Ahom kingdom that ruled Assam for six centuries, is the cultural and tea-industry heart of upper Assam. The Tocklai Tea Research Institute — the world's oldest tea research station — is headquartered here, and the surrounding Jorhat district is one of India's top tea producers. Tea factory processing emissions (wood-fired dryers and withering troughs), combined with growing vehicular traffic in the expanding commercial core, define the city's evolving air quality profile.

Winter months (November–February) bring the worst conditions as temperature inversions over the Brahmaputra plain trap emissions from vehicles, domestic biomass cooking fires, and brick kilns along the river floodplain. Agricultural residue burning from harvested paddy fields in the surrounding countryside adds seasonal smoke haze. Dense fog along the Brahmaputra corridor reduces visibility to near-zero on December and January mornings, keeping fine particulates suspended at breathing level.

The monsoon (June–September) delivers over 2,000mm of annual rainfall that provides thorough atmospheric cleansing and maintains AQI in the Good range. Jorhat's tea garden canopy — stretching across thousands of hectares — acts as a natural green filter that helps moderate particulate levels year-round. The Brahmaputra's broad valley at this point provides good natural ventilation during active weather patterns. Majuli, the world's largest river island, lies just north of Jorhat in the Brahmaputra, contributing to the open landscape character of the area.

Primary Pollution Sources

  • Vehicle exhaust
  • Tea factory emissions
  • Road dust
  • Brick kilns
  • Waste burning
  • Agricultural residue burning

Geography: Upper Assam on the Brahmaputra plain; former Ahom capital, major tea-producing district, Tocklai Tea Research Institute headquarters

Peak pollution months: November, December, January, February

Frequently Asked Questions — Jorhat

How does tea processing affect Jorhat's air quality?

Jorhat district hosts numerous tea factories that use wood-fired dryers and withering troughs during processing seasons, releasing smoke and fine particulates. The Tocklai Tea Research Institute area and surrounding factory clusters create localised emission hotspots. However, the extensive tea garden canopy also acts as a natural air filter, partially offsetting the factory emissions across the broader landscape.

When is the best air quality in Jorhat?

July through September during the peak monsoon delivers the cleanest air, with over 2,000mm of annual rainfall providing thorough atmospheric washing. AQI remains consistently in the Good range during this period. December and January are the most polluted months due to Brahmaputra valley inversions and agricultural burning.

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