BEIJING (Reuters) – The Chinese capital Beijing met state air quality standards for the first time last year, officials said on Tuesday, following a concerted effort to cut coal consumption, reduce transportation emissions and relocate heavy industry. China declared war on pollution in 2014 after a series of hazardous smog build-ups in Beijing and elsewhere triggered widespread public anger. Average readings of small, hazardous airborne particles known as PM2.5 reached 33 micrograms per cubic metre in Beijing over the whole of 2021, down 13% compared to a year earlier and meeting China’s inter…