Ooty Air Quality Index (AQI) & Air Pollution Today

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

Ooty AQI Right Now

56

Category: Satisfactory

Dominant Pollutant: pm10

PM2.5: 25.88 µg/m³

PM10: 55.36 µg/m³

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

Ooty Pollutant Levels

PollutantConcentration
PM2.525.88 µg/m³
PM1055.36 µg/m³
O₃ (Ozone)14.91 µg/m³
NO₂11.22 µg/m³
SO₂1.55 µg/m³
CO433.98 µg/m³

Health Advisory — Ooty

Satisfactory: Minor breathing discomfort to sensitive people.

Health Impact — Ooty

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 Ooty

  • 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 Ooty Air Quality

Ooty stands apart from virtually all other Indian towns with consistently excellent air quality throughout most of the year, thanks to its elevation at 2,240 meters in the Nilgiri hills. The cool climate, abundant forest cover dominated by eucalyptus and shola forests, and absence of heavy industry create an environment where PM2.5 levels rarely approach unhealthy thresholds. However, Ooty is not entirely pollution-free. The peak tourist season from March to June brings the year's highest pollution levels as tens of thousands of vehicles ascend the mountain carrying visitors escaping the plains' heat. Tourist traffic congestion during peak season releases vehicular emissions in concentrated areas like Charing Cross and the lake, while dust from roads degraded by heavy traffic adds to particulate levels.

Winter months from November to February see Ooty at its coldest, with minimal tourism and consequently the year's best air quality. Morning mists are natural phenomena rather than pollution-related haze. The challenge lies in managing tourism's environmental impact: hotel cooking emissions, construction dust from expanding tourist infrastructure, and waste management all affect air quality during peak seasons. Unlike plains cities where pollution stems from industrial and agricultural sources, Ooty's air quality is almost entirely tourism-dependent. Even during peak season, air quality remains far superior to any major Indian city. The monsoon periods from June to September and October to November bring rain that cleanses the atmosphere and maintains the hill station's reputation for pristine air.

Primary Pollution Sources

  • Tourist vehicle emissions
  • Road dust from heavy traffic
  • Eucalyptus pollen and organic particulates
  • Hotel and restaurant cooking emissions
  • Construction dust from development

Geography: Premier Nilgiri hill station at 2,240m elevation, with cool climate, eucalyptus forests, and India's cleanest air, tourism-driven economy.

Peak pollution months: March, April, May, June

Frequently Asked Questions — Ooty

Why is Ooty's air quality among India's cleanest?

Ooty's elevation at 2,240 meters provides constant cool temperatures and strong air circulation that disperses pollutants. Dense eucalyptus and shola forest cover filters air and produces oxygen, while the absence of heavy industry means no significant pollution sources. The cool climate eliminates the temperature inversions that trap pollutants in plains cities. Even during peak tourist season, Ooty's air quality remains far superior to Indian urban areas.

Does tourism affect Ooty's air quality?

Yes, but moderately. During peak tourist season (March-June), heavy vehicular traffic creates localized emissions in town centers and along approach roads. Tourist vehicles, hotel cooking, and construction for tourism infrastructure elevate pollution compared to off-season months. However, even peak-season pollution remains minimal compared to plains cities, and off-season months (November-February) see virtually pristine air quality.

Air Quality in Nearby Cities