Lakhisarai Air Quality Index (AQI) & Air Pollution Today
Bihar, India — Real-time Air Quality Index (AQI) and PM2.5
Lakhisarai AQI Right Now
Category: Satisfactory
Dominant Pollutant: pm25
PM2.5: 53.64 µg/m³
PM10: 80.62 µg/m³
Last updated: 2026-03-24 — Data source: Google Air Quality API (NAQI). Live NAQI values load when you visit the page.
Lakhisarai Pollutant Levels
| Pollutant | Concentration |
|---|---|
| PM2.5 | 53.64 µg/m³ |
| PM10 | 80.62 µg/m³ |
| O₃ (Ozone) | 15.72 µg/m³ |
| NO₂ | 4.44 µg/m³ |
| SO₂ | 7.55 µg/m³ |
| CO | 566.49 µg/m³ |
Health Advisory — Lakhisarai
Satisfactory: Minor breathing discomfort to sensitive people.
Health Impact — Lakhisarai
Cigarette Equivalent: Breathing this air is equivalent to smoking 2.4 cigarettes per day (based on current PM2.5 levels).
Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.28 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).
Health Recommendations for Lakhisarai
- 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 Lakhisarai Air Quality
Lakhisarai is a small but industrially significant town in central Bihar, distinguished from most of the state's flat Gangetic settlements by its proximity to rocky outcrops and hills that support extensive stone quarrying and crushing operations. The Kiul River runs through the district, and the town serves as a railway junction on the Patna–Bhagalpur line. Stone quarrying is the dominant local industry, and the fine siliceous dust generated by hundreds of crushers creates a year-round particulate pollution baseline that sets Lakhisarai apart from purely agricultural Bihar towns.
During winter (October–January), the quarry dust problem compounds with the usual Gangetic plain pollution drivers: temperature inversions that trap particulates, widespread domestic biomass burning for cooking and heating, and brick kiln operations on the town's periphery. The Kiul River valley can channel and concentrate pollutants under calm conditions, creating localised pockets of very poor air quality. Silica-laden dust from stone crushers poses particular occupational health risks for quarry workers, with silicosis rates among the highest in Bihar.
The monsoon season (June–September) curtails quarrying activity and suppresses airborne dust through heavy rainfall, bringing marked air quality improvement. However, quarry runoff can affect local water quality during this period. Pre-monsoon months (March–May) see peak quarrying output, generating substantial PM10 and PM2.5 that drifts over the town when winds blow from the quarry belt. Lakhisarai's air quality challenge is fundamentally tied to regulating its extractive stone industry alongside the broader regional biomass and brick kiln emissions.
Primary Pollution Sources
- Stone quarrying and crushing dust
- Domestic biomass burning
- Vehicle exhaust
- Brick kilns
- Road dust
Geography: Central Bihar along the Kiul River; known for extensive stone quarrying operations, hilly terrain in parts, rail junction connecting Bhagalpur to Patna
Peak pollution months: October, November, December, January
Frequently Asked Questions — Lakhisarai
How does stone quarrying affect Lakhisarai's air quality?
Lakhisarai's extensive stone quarrying and crushing operations generate significant siliceous dust year-round, elevating PM10 and PM2.5 levels well above what would be expected for a town of its size. Hundreds of stone crushers operate in the district, and fine particulate dust drifts over residential areas particularly during dry months. This creates both ambient air quality concerns and serious occupational health risks including silicosis among quarry workers.
When is the best time to visit Lakhisarai for clean air?
The monsoon months (July–September) offer the cleanest air as heavy rainfall suppresses quarry dust and washes particulates from the atmosphere. Quarrying activity also typically reduces during peak monsoon. The post-monsoon period of early October can also be relatively clean before winter inversions begin and dry-season quarrying resumes at full capacity.
Air Quality in Nearby Cities
- Sheikhpura AQI — Bihar
- Begusarai AQI — Bihar
- Jamui AQI — Bihar
- Munger AQI — Bihar
- Khagaria AQI — Bihar
- Bihar Sharif AQI — Bihar