Rourkela Air Quality Index (AQI) & Air Pollution Today
Odisha, India — Real-time Air Quality Index (AQI) and PM2.5
Rourkela AQI Right Now
Category: Satisfactory
Dominant Pollutant: pm25
PM2.5: 56.82 µg/m³
PM10: 74.44 µg/m³
Last updated: 2026-03-24 — Data source: Google Air Quality API (NAQI). Live NAQI values load when you visit the page.
Rourkela Pollutant Levels
| Pollutant | Concentration |
|---|---|
| PM2.5 | 56.82 µg/m³ |
| PM10 | 74.44 µg/m³ |
| O₃ (Ozone) | 11.74 µg/m³ |
| NO₂ | 6.92 µg/m³ |
| SO₂ | 0.49 µg/m³ |
| CO | 739.38 µg/m³ |
Health Advisory — Rourkela
Satisfactory: Minor breathing discomfort to sensitive people.
Health Impact — Rourkela
Cigarette Equivalent: Breathing this air is equivalent to smoking 2.6 cigarettes per day (based on current PM2.5 levels).
Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.3 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).
Health Recommendations for Rourkela
- 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 Rourkela Air Quality
Rourkela, a planned industrial city at the confluence of the Brahmani and Koel rivers on the southern edge of the Chota Nagpur Plateau, is defined by the massive Rourkela Steel Plant (RSP) - one of SAIL's integrated steel manufacturing facilities. The plant's blast furnaces, coke ovens, sinter plants, and rolling mills generate substantial PM, SO2, and CO emissions that dominate the city's air quality profile. Surrounding Sundargarh district's rich iron ore and manganese deposits feed extensive mining operations that generate mineral dust along transport corridors.
Winter months (November–February) bring the worst air quality as temperature inversions over the river valley trap industrial emissions close to ground level. PM10 levels in the industrial zone frequently exceed 200 µg/m³ during December and January, while city-wide readings typically range from 100–180 µg/m³. The coal-based captive power plant within the RSP complex adds to the cumulative industrial emission load. Manganese and iron ore transportation via heavy trucks on the Rourkela–Rajamunda–Joda mining corridor generates persistent dust plumes that affect the eastern and southern approaches to the city.
The monsoon season (June–September) delivers 1,400–1,600 mm of rainfall that significantly reduces airborne particulates and brings AQI down to Satisfactory levels. The Brahmani River valley provides some ventilation, but the city's position between forested hills can create localised trapping during calm conditions. Rourkela's air quality challenge is fundamentally industrial - the steel plant is both the city's economic lifeline and its primary pollution source, making the standard trade-off between industrial livelihood and environmental quality an everyday reality for residents.
Primary Pollution Sources
- Steel plant emissions (RSP/SAIL)
- Industrial emissions
- Vehicle exhaust
- Coal-based thermal power
- Road dust
- Mining dust
Geography: Brahmani-Koel River confluence on Chota Nagpur Plateau edge; planned steel city, iron ore and coal belt proximity
Peak pollution months: November, December, January, February
Frequently Asked Questions — Rourkela
What is the most polluted month in Rourkela?
December and January are the most polluted months, with AQI frequently in the Poor to Very Poor range (NAQI 200–300) near the steel plant. Winter temperature inversions trap RSP's blast furnace and coke oven emissions, combining with mining dust and vehicular exhaust to create hazardous conditions, particularly in the industrial zone and downwind residential areas.
What causes air pollution in Rourkela?
Rourkela's pollution is dominated by the SAIL Rourkela Steel Plant (RSP) - blast furnaces, coke ovens, sinter plants, and a captive thermal power plant emit PM, SO2, and CO. Iron ore and manganese mining dust from surrounding Sundargarh district, heavy truck traffic on mining corridors, and vehicular exhaust add to the industrial base. The river valley topography can trap emissions during calm winter conditions.
Air Quality in Nearby Cities
- Sambalpur AQI — Odisha
- Ranchi AQI — Jharkhand
- Jamshedpur AQI — Jharkhand
- Raigarh AQI — Chhattisgarh
- Ambikapur AQI — Chhattisgarh
- Hazaribagh AQI — Jharkhand