Bad News for Joburg and Pretoria Residents As Air Pollution Exceeds Safety Limits
- An international study found that the Johannesburg–Pretoria region exceeds South Africa's daily air quality safety guidelines on more than 50% of days each year
- Nationwide exposure to fine particulate matter has grown by over 5% since 2000, raising serious health concerns for millions of South Africans
- Low-income communities, children, and older adults are among those most at risk from the worsening air pollution
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A new international study has found that residents of the Johannesburg–Pretoria region are breathing unsafe air on more than half of all days in a given year, with pollution levels routinely breaking South Africa's own national safety guidelines.
According to reports, the findings paint a troubling picture for one of Africa's most densely populated urban corridors, where millions of people go about their daily lives unaware of the invisible toll the air is taking on their health.
Pollution levels on the rise across South Africa
Across the country, fine particulate matter known as PM2.5 has become a growing concern. Exposure to these microscopic particles has increased by more than 5% since 2000, and scientists warn the consequences are far-reaching. Short-term exposure has been linked to higher rates of death from respiratory illness and non-communicable diseases. Over time, fine particles penetrate deep into the body, raising the risk of cardiovascular disease, lung cancer and complications during pregnancy.
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The burden is not shared equally. Low-income households, children and older adults are hit hardest, particularly those living in informal settlements where coal and wood burning are everyday realities.
What is driving Gauteng's air crisis
Gauteng's air quality challenges stem from several overlapping sources. Coal-fired power and heavy industry in neighbouring regions send pollution drifting into the province, while dense traffic in Johannesburg and Pretoria adds to the load. Domestic burning of solid fuels in informal settlements contributes significantly, as do mining operations and local industrial activity. In winter, temperature inversions cause pollutants to become trapped close to the ground, making conditions especially dangerous during the coldest months.
Health advocates, including the South African Medical Research Council, have called for tougher enforcement of existing air quality regulations, a reduction in the country's dependence on coal, and closer integration between environmental and public health policy. The study's findings give renewed urgency to those calls, particularly as urban populations in Gauteng continue to grow.
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More on SA’s environmental and health concerns
- Briefly News recently reported that thousands of dead fish washed ashore at Bloubergstrand, with a TikTok video raising concerns about possible pollution in the water.
- Extreme E. coli levels were found at 10 Knysna Estuary sites, raising health concerns at the popular tourist destination.
- Dr Aaniyah Martin leads an all-female team using beach cleanups and citizen science to reconnect marginalised South Africans with the coastline.
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Source: Briefly News
