By William Abala

Nairobi County: Nairobi City County has launched two new regulatory air quality monitoring sites to complement ongoing efforts in addressing air pollution. 

This is in partnership with the Ministry of Environment, the World Resources Institute (WRI), USAID, Clean Air Catalyst, AirQo, and the National Environmental and Management Authority (NEMA).

The high-precision monitoring stations, unveiled at Mama Lucy Kibaki Hospital, mark a turning point in the city’s efforts to address the rising levels of air pollution. 

However, while the installation of these air monitors is a step in the right direction, much more remains to be done to tackle Nairobi’s escalating air quality crisis.

Nairobi’s air quality has deteriorated over the years due to rapid urbanization, an increase in vehicles, and industrial activity. This has led to a rise in respiratory illnesses, especially among the city’s most vulnerable populations, including children, the elderly, and those living in informal settlements.

These new monitoring sites, built with cutting-edge technology, will provide real-time, reference-grade data on air quality. 

A close view of the air quality monitoring site unveiled at Mama Lucy Kibaki hospital in Nairobi. PHOTO/WILLIAM ABALA

This data will be crucial for informing future policies, guiding mitigation strategies, and ensuring that public health concerns are addressed promptly. Unlike previous data collection methods that have been inconsistent and unreliable, these monitoring stations according to air quality experts promise to deliver continuous, precise information on the city’s air quality, allowing for a more targeted approach to reducing pollution levels.

However, experts and officials warn that while these monitoring stations are essential, they are only the beginning of a longer, more challenging journey. 

Nairobi still faces several hurdles in its battle against air pollution, including the enforcement of existing regulations, the implementation of clean technologies, and addressing the pollution caused by the city’s expanding industrial activities and growing vehicle fleet.

The Significance of the Monitoring Stations

The newly launched air quality monitoring stations are expected to fill a critical gap in Nairobi’s air pollution management framework. By providing real-time data on pollutants such as particulate matter (PM2.5 and PM10), nitrogen dioxide, and sulfur dioxide, these stations will allow authorities to pinpoint the sources of pollution and take immediate action to mitigate them.

At the launch event, Dr. Festus Ng’eno, the Principal Secretary of the Ministry of Environment, pointed out the importance of the new monitors, stating that “accurate data is the foundation of effective air quality management.” 

He highlighted that with reliable data, Nairobi can develop and enforce policies aimed at reducing emissions and improving public health outcomes.

For years, Nairobi has relied on a limited number of air quality monitoring stations, many of which lacked the capability to provide continuous, real-time data. 

CEO Mama Lucy Kibaki Hospital, Dr. Martin Wafula welcomes PS, Environment, Climate Change and Forestry Eng. Festus Ng’eno during the launch of air quality monitoring sites at the facility. PHOTO/WILLIAM ABALA.

The introduction of these new regulatory-grade monitors represents an advancement in Nairobi’s ability to track and address air pollution. However the impact of these stations will largely depend on how the data is used and how well policies are implemented based on the findings.

Enforcement and Policy Challenges

While the technology is now in place, the challenge lies in translating data into action. Nairobi has a set of regulations designed to tackle air pollution, including the Air Quality Regulations of 2014 and the more recent Nairobi City County Air Quality Act of 2022. 

However, enforcement has been inconsistent, and many of these policies have not been fully implemented.

The Director General of the National Environment Management Authority (NEMA), Mamo B. Mamo, noted at the launch event that enforcement remains one of the key challenges. “We have the policies, but without consistent enforcement, they remain ineffective. These new monitors will help us identify the sources of pollution, but we need the political will and resources to take the necessary actions,” he stated.

For instance, while emissions from vehicles are a significant contributor to Nairobi’s poor air quality, the city’s efforts to regulate vehicle emissions have been slow and often ineffective. Inspections for vehicle emissions are rarely enforced, and many old, high-emission vehicles remain on the road. 

Similarly, industrial emissions, particularly from factories located near residential areas, are often poorly regulated, leading to dangerous levels of pollutants in the air.

Implementation of Data-driven Policies and Interventions

While the installation of the new monitoring stations is a critical step forward, Nairobi must now focus on implementing the data-driven policies that will arise from this initiative. Experts suggest a multi-faceted approach that includes stricter enforcement of emission regulations, investment in cleaner technologies, and public awareness campaigns.

Investing in green infrastructure, such as expanding urban green spaces and promoting public transportation, will also be crucial to reducing the city’s pollution levels. Currently, a large portion of Nairobi’s population relies on private vehicles or poorly maintained public minibusses (matatus), which contribute significantly to air pollution. 

Developing more efficient and less polluting public transportation systems could greatly reduce the number of vehicles on the road, improving air quality across the city.

There is also a need for greater public engagement and education on the dangers of air pollution. Raising awareness about the health impacts of poor air quality, particularly in vulnerable communities, will be key to generating public support for the tough measures that will be needed to reduce pollution levels. 

Programs like the Breathe Nairobi Initiative, which focuses on raising public awareness and advocating for green spaces, are an important part of this effort.

Public Health Implications

The link between air pollution and public health cannot be overstated. Studies have shown that long-term exposure to high levels of air pollution is associated with a range of health problems, including respiratory infections, heart disease, and lung cancer. In Nairobi, where pollution levels often exceed WHO-recommended limits, these health impacts are becoming increasingly evident.

Mama Lucy Kibaki Hospital, where the new monitoring site was launched, is situated in an area heavily affected by poor air quality. The hospital often treats patients suffering from respiratory illnesses that can be directly linked to air pollution. 

By collecting real-time data from this site, authorities will have a clearer understanding of the pollution levels affecting the hospital and the surrounding communities, allowing for more targeted interventions to protect public health.