Beijing has registered substantial improvements in air quality over the past decade, transforming from a city known for its heavy smog to one that now enjoys clearer blue skies.

This transformation is attributed to the Chinese government's vigorous anti-pollution measures initiated in 2013, marked by the launch of the Air Pollution Prevention and Control Action Plan (APPCAP).

In a recent report, the Beijing Municipal Ecology and Environment Bureau indicated that the average PM2.5 density in the capital reached 30.5 micrograms per cubic meter in 2024, a decrease of 6.2 percent compared to the previous year.

The number of days classified as having good air quality increased to 290, a record high and an increase of 114 days since 2013. Notably, the city experienced only two heavily polluted days in 2024, demonstrating a 96.6 percent reduction from 2013 levels.

As part of its commitment to combat air pollution, Beijing adopted a multi-faceted action plan targeting key pollution sources, including coal combustion, vehicle emissions, industrial pollution, and dust.

The city transitioned from coal to electricity for winter heating, substantially lowering emissions.

By the end of 2018, Beijing had achieved coal-free heating in many districts, significantly reducing coal's contribution to PM2.5 from 22.4 percent in 2013 to merely 3 percent by 2017.

Minister of Ecology and Environment, Huang Runqiu, highlighted Beijing's ongoing dedication to air quality improvement, referencing the successful implementation of stricter emissions standards for industrial facilities and the phasing out of over 3 million high-pollution vehicles.

Furthermore, the city launched additional initiatives in 2018 aimed at achieving micro-level improvements in air quality, setting even finer goals for PM2.5 concentration levels.

The city recorded its lowest annual average PM2.5 concentration in 2021 at 33 micrograms per cubic meter, maintaining compliance with air quality standards for three consecutive years.

In the face of these advancements, the city plans to adopt a '0.1 microgram initiative' by 2025, emphasizing the importance of new energy vehicles in reaching half of all registered vehicles.

To address regional pollution challenges, particularly those caused by illegal activities, Beijing has collaborated with nearby provinces.

Joint enforcement operations have proven effective in combating cross-regional pollution issues.

The cooperation extends to international partnerships, with agreements aimed at sharing knowledge and expertise in air quality management with other cities, including a recent memorandum with Bangkok to enhance cooperative efforts in air quality monitoring.

Despite these marked improvements, officials acknowledge the ongoing challenges and fragility of Beijing's air quality gains, noting that regional pollution spikes can still occur under certain conditions.

The city's focus remains on sustained governance and precise measures to ensure lasting progress towards cleaner air.