, located at key traffic hubs like the Kbal Thnol roundabout and Olympic water tank, are essential for tracking these levels and ensuring they stay within safe standards. Moving Toward a "Low Carbon" Future

Long-term exposure to high levels of NO2 is not just an environmental issue; it is a critical public health concern. It can lead to: Respiratory Issues:

According to a report by the World Health Organization (WHO), Cambodia's capital city, Phnom Penh, has some of the highest levels of NO2 in Southeast Asia. The report revealed that the city's NO2 levels exceeded the WHO's recommended limit of 40 μg/m³ (micrograms per cubic meter) by 30%.