Ara Air Quality Index (AQI) & Air Pollution Today

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

Ara AQI Right Now

211

Category: Poor

Dominant Pollutant: pm25

PM2.5: 92.99 µg/m³

PM10: 141.19 µg/m³

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

Ara Pollutant Levels

PollutantConcentration
PM2.592.99 µg/m³
PM10141.19 µg/m³
O₃ (Ozone)3.69 µg/m³
NO₂12.66 µg/m³
SO₂1.6 µg/m³
CO995.43 µg/m³

Health Advisory — Ara

Poor: Breathing discomfort to most people on prolonged exposure.

Recommendation: Sensitive groups (children, elderly, people with respiratory conditions) should limit outdoor exposure.

Warning: Everyone should avoid prolonged outdoor activities. Keep windows closed and use air purifiers if available.

Health Impact — Ara

Cigarette Equivalent: Breathing this air is equivalent to smoking 4.2 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.54 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Ara

  • General Population: Everyone should reduce prolonged outdoor exertion.
  • Elderly: Avoid outdoor activities. Stay indoors.
  • Children: Avoid outdoor play and exertion.
  • Lung Disease Patients: Stay indoors. Keep windows closed.

Understanding Ara Air Quality

Ara, the administrative heart of Bhojpur district, is situated on the fertile Ganges plain in western Bihar where the sugar milling industry has shaped both the economy and the air quality profile for over a century. During the crushing season from November through March, the city's sugar factories release bagasse fly ash, sulphur dioxide, and fine particulates as cane is processed around the clock. These industrial emissions combine with the broader Gangetic winter pollution cocktail to create persistently poor air quality during the coldest months.

October through January marks the peak pollution window in Ara. As temperatures drop and calm anticyclonic conditions settle over the Ganges plain, temperature inversions trap pollutants from brick kilns that ring the city, domestic dung-cake and wood fires used for cooking and heating, and the growing volume of vehicular traffic along the busy Ara-Patna corridor. Rice stubble burning in surrounding farmlands during October and November creates a smoky regional haze that further degrades visibility and elevates PM2.5 concentrations well above 150 µg/m³ on bad days.

Relief arrives with the monsoon in June, when heavy rainfall of approximately 1,000 to 1,100 mm washes the atmosphere clean and forces brick kilns to shut down. The Ganges swells and occasionally floods low-lying areas around Ara, disrupting waste management but simultaneously suppressing dust from unpaved roads and open areas. Pre-monsoon months of April and May bring dry heat and occasional dust storms from the western plains, but overall air quality during this period remains significantly better than the winter peak.

Primary Pollution Sources

  • Sugar mill emissions
  • Brick kilns
  • Vehicle exhaust
  • Domestic biomass burning
  • Agricultural crop burning

Geography: Bhojpur district headquarters on the Ganges plain in western Bihar; sugar industry hub with flat alluvial terrain and seasonal river fog

Peak pollution months: October, November, December, January

Frequently Asked Questions — Ara

How does the sugar industry affect Ara's air quality?

Ara's sugar mills operate during the crushing season from November to March, burning bagasse and releasing fly ash, sulphur dioxide, and fine particulates. This industrial activity coincides with the winter inversion season, meaning sugar mill emissions get trapped near ground level alongside other pollutants, compounding the seasonal air quality deterioration in Bhojpur district.

When is the best time for clean air in Ara?

The monsoon months of July through September typically offer the cleanest air in Ara, as heavy rainfall scrubs particulates from the atmosphere, brick kilns cease operations, and sugar mills are between crushing seasons. Post-monsoon October can also be relatively clean before crop burning and winter inversions begin.

Air Quality in Nearby Cities