Bikaner Air Quality Index (AQI) & Air Pollution Today

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

Bikaner AQI Right Now

192

Category: Moderate

Dominant Pollutant: pm10

PM2.5: 49.5 µg/m³

PM10: 237.68 µg/m³

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

Bikaner Pollutant Levels

PollutantConcentration
PM2.549.5 µg/m³
PM10237.68 µg/m³
O₃ (Ozone)58.29 µg/m³
NO₂30.06 µg/m³
SO₂0.79 µg/m³
CO502.06 µg/m³

Health Advisory — Bikaner

Moderate: Breathing discomfort to people with lungs, asthma and heart diseases.

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

Health Impact — Bikaner

Cigarette Equivalent: Breathing this air is equivalent to smoking 2.3 cigarettes per day (based on current PM2.5 levels).

Life Expectancy Impact: Sustained exposure at this PM2.5 level could reduce life expectancy by 0.26 years (AQLI estimate, relative to WHO guideline of 5 µg/m³).

Health Recommendations for Bikaner

  • General Population: People with respiratory or heart conditions should limit prolonged outdoor exertion.
  • Elderly: Reduce prolonged outdoor activities.
  • Children: Reduce prolonged outdoor play.
  • Lung Disease Patients: Avoid prolonged outdoor exertion.

Understanding Bikaner Air Quality

Bikaner, the desert fortress city founded by Rao Bika in 1488, sits deep within the Thar Desert and contends with an air quality challenge fundamentally different from most Indian cities - here, natural desert dust dominates the pollution profile rather than industrial or vehicular emissions. With annual rainfall averaging barely 250 mm and temperatures soaring above 48°C in summer, the parched, vegetation-sparse landscape generates persistent windblown sand and dust that keeps PM10 levels elevated throughout the year.

Winter and early spring months (November–March) represent the worst air quality period, driven by a combination of factors. Cold-weather temperature inversions trap both natural desert dust and anthropogenic emissions close to the ground. Domestic biomass burning increases sharply as residents burn wood, cow dung cakes, and even camel dung for heating in the bitter desert nights (temperatures can drop below 2°C). PM10 concentrations frequently exceed 250 µg/m³, while PM2.5 levels - less dominated by coarse desert particles - remain comparatively lower at 60–100 µg/m³, creating an unusual PM10-to-PM2.5 ratio that is characteristic of arid-zone cities.

Summer dust storms (loo season, May–June) can cause extreme short-duration PM10 spikes exceeding 800 µg/m³ as Thar Desert sand is lofted by powerful westerly winds. These events are natural but hazardous. Bikaner lacks any significant industrial emissions - its economy is based on agriculture, tourism (Junagarh Fort, Karni Mata Temple), and the Bikaner Technical University campus. The Indira Gandhi Canal has brought irrigation water to surrounding areas but has not substantially changed the city's arid dust profile. The brief monsoon window (July–August) provides the only sustained air quality relief.

Primary Pollution Sources

  • Desert dust (Thar Desert proximity)
  • Vehicle exhaust
  • Road dust
  • Construction dust
  • Domestic biomass burning
  • Camel dung and biomass fuel

Geography: Deep in the Thar Desert of northwestern Rajasthan; extreme arid climate with very low annual rainfall, sand dune terrain with minimal natural green cover

Peak pollution months: November, December, January, February, March

Frequently Asked Questions — Bikaner

How much of Bikaner's air pollution is natural desert dust versus human-caused?

In Bikaner, natural desert dust (windblown sand and mineral particles from the Thar Desert) accounts for an estimated 50–65% of total PM10 on an annual basis, making it the dominant source. Anthropogenic sources - vehicle exhaust, road dust from unpaved streets, construction dust, and biomass burning - contribute the remainder. However, PM2.5 (the finer, more health-damaging fraction) is more heavily influenced by human sources like biomass burning and vehicle emissions.

How does low rainfall affect Bikaner's year-round air quality?

Bikaner receives only about 250 mm of rainfall annually, concentrated in just 2–3 months (July–August). This means there are roughly 9–10 months without significant rainfall to settle dust or wash particulates from the atmosphere. The lack of moisture also means minimal vegetation growth, leaving the soil surface exposed to wind erosion. This combination of factors keeps PM10 levels persistently elevated throughout the dry months.

Air Quality in Nearby Cities