Loni Air Quality Index (AQI) & Air Pollution Today

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

Loni AQI Right Now

435

Category: Severe

Dominant Pollutant: pm25

PM2.5: 336.98 µg/m³

PM10: 468.26 µg/m³

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

Loni Pollutant Levels

PollutantConcentration
PM2.5336.98 µg/m³
PM10468.26 µg/m³
O₃ (Ozone)14.04 µg/m³
NO₂25.89 µg/m³
SO₂10.7 µg/m³
CO722.85 µg/m³

Health Advisory — Loni

Severe: Affects healthy people and seriously affects those with existing diseases. Avoid outdoor activities.

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 — Loni

Cigarette Equivalent: Breathing this air is equivalent to smoking 15.3 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 2.13 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Loni

  • General Population: Remain indoors. Avoid all outdoor activities.
  • Elderly: Stay indoors with windows closed. Use air purifier.
  • Children: Do not allow children outdoors.
  • Lung Disease Patients: Stay indoors. Seek medical attention if symptoms worsen.

Understanding Loni Air Quality

Loni, located in Ghaziabad district on the eastern fringe of the National Capital Region, is one of India's most densely packed peri-urban settlements - effectively an extension of the Delhi-Ghaziabad urban sprawl with none of the green buffers or planned infrastructure of the capital. The flat Gangetic terrain provides no topographic relief, and Loni shares Delhi's pollution airshed, meaning that emissions from the entire NCR region converge here during winter inversions. The Hindon River's floodplain to the west adds moisture that enhances fog-smog episodes.

Winter months (October–January) bring hazardous air quality with PM2.5 concentrations frequently exceeding 300 µg/m³ - among the highest readings in the NCR. A belt of brick kilns on the eastern periphery operates through the post-monsoon and winter season, pumping fine particulates into the already overloaded atmosphere. Small-scale manufacturing units - metalworking, plastic recycling, and garment workshops - operate with minimal emission controls in mixed-use residential areas. Waste burning is endemic due to inadequate municipal collection services.

Loni's extreme population density means very limited green space or tree cover to intercept particulates, while narrow congested lanes trap vehicle exhaust at breathing height. Construction activity is constant as the settlement continues to expand, generating clouds of cement and soil dust. The area's proximity to Delhi's Anand Vihar - one of India's most polluted monitoring stations - means Loni regularly records pollution levels at or above the worst in the country. Monsoon rains (July–September) provide temporary respite, but even post-monsoon AQI rarely drops to the Good category.

Primary Pollution Sources

  • Vehicle exhaust
  • Construction dust
  • Road dust
  • Brick kilns
  • Waste burning
  • Industrial emissions (small-scale)

Geography: Eastern NCR suburb adjacent to Ghaziabad; extremely dense peri-urban settlement, flat Gangetic terrain, part of Delhi's pollution airshed

Peak pollution months: October, November, December, January

Frequently Asked Questions — Loni

Why is Loni one of the most polluted areas in NCR?

Loni's extreme air pollution results from its position in the Delhi-Ghaziabad pollution corridor, with no green buffers or planned infrastructure. It combines high population density with brick kiln operations, small-scale unregulated industries, waste burning, vehicle exhaust in congested lanes, and constant construction dust. The flat Gangetic terrain and winter inversions trap all these emissions, producing PM2.5 levels that regularly exceed hazardous thresholds.

Is Loni's air quality the same as Delhi's?

Loni shares Delhi's pollution airshed and often records AQI values similar to or worse than eastern Delhi's worst stations like Anand Vihar. While Delhi has some green zones, wider roads, and better municipal services that provide partial mitigation, Loni has extreme density, unpaved peripheral roads, active brick kilns, and limited waste collection - factors that can push its local PM2.5 readings even higher than Delhi's average.

Air Quality in Nearby Cities