Ulaanbaatar's Shift from Coal to Gas Promises a Breath of Fresh Air

Ulaanbaatar, Mongolia's capital, is infamous for its winter cloak of toxic smog, a stark consequence of coal-burning stoves in the sprawling ger districts that ring the city. The government’s latest attempt to combat this persistent environmental and public health crisis is a gas subsidy program, announced in March 2025.

This initiative to aid ger district households raises questions about its efficacy, economic viability, and long-term sustainability.

The scale of Ulaanbaatar’s air pollution problem is well-documented. Winter PM2.5 levels routinely exceed 600 micrograms per cubic meter, dwarfing the WHO’s recommended limits by a staggering margin. This hazardous air, largely attributable to coal combustion in the ger districts—home to almost half of the city’s over 400,000 households—exacts a heavy toll.

Respiratory illnesses are rampant, and the economic burden is substantial. This represents not only direct healthcare costs but also lost productivity and diminished quality of life.

The government’s proposed solution—subsidized gas stoves coupled with a monthly MNT 100,000 (USD 29) subsidy from September to May—aims to incentivize a shift away from coal. Crucially, the program relies on voluntary adoption, requiring households to actively choose gas and adhere to heating standards. This reliance on individual choice introduces an element of unpredictability that could ultimately undermine the program's effectiveness.

The government argues that gas heating, even with the household contribution after the subsidy, will cost MNT 135,000-140,000 per month, making it significantly cheaper – five to twenty times less, they claim – than electric or continued solid fuel use.

However, this cost comparison needs scrutiny. Does it include the upfront investment for gas infrastructure in individual gers, potential gas price fluctuations (given Mongolia's reliance on Russian imports), and the acceptance of ger district residents used to burning coal?

The successful transition from coal to gas promises cleaner air, improved public health, and financial relief for low-income households, while aligning with Mongolia's Paris Agreement commitments.

However, the gas strategy faces many challenges. Targeting only 15-25% of coal-using ger households leaves the majority reliant on polluting fuels. The voluntary nature of the program makes adoption rates uncertain.

Will the perceived economic benefits outweigh the inertia of established practices, the upfront costs of transitioning to gas, and skepticism about the reliability of gas infrastructure in the ger districts? Past experiences, such as the limited uptake of the nighttime electricity subsidy despite its lower cost, offer cautionary tales. The prior initiative was hindered by continued reliance on coal-fired power and low adoption of efficient electric appliances.

Furthermore, the emphasis on gas, a fossil fuel, risks diverting resources and attention from sustainable solutions like solar and wind power. Investing in renewable energy infrastructure and improving energy efficiency through better insulation in ger districts are crucial long-term strategies. The program also fails to address fundamental infrastructural challenges. Extending gas distribution networks to unplanned ger areas presents logistical hurdles, potentially leading to uneven implementation and exacerbating existing inequalities.

The coming winter will be a critical test. It is uncertain if enough households will embrace the gas transition, if the promised economic relief will materialize, or if fluctuating gas prices will undermine the program. The effectiveness of this program to reduce Ulaanbaatar’s air pollution challenge remains to be seen.