Lisbon and Seixal experienced dangerously high ozone levels this Wednesday, surpassing the threshold of 180 ug/m3. The Olivais in Lisbon and Paio Pires in Seixal recorded levels of 182 ug/m3 and 192 ug/m3, respectively, prompting health warnings.
Health Risks and Recommendations
The Comissão de Coordenação e Desenvolvimento Regional (CCDR) warned that these ozone concentrations can harm human health, especially in sensitive groups like children, the elderly, and those with respiratory or heart conditions. Symptoms may include coughing, headaches, chest pain, shortness of breath, and eye irritation.
Key Advice:
- Avoid intense outdoor activities
- Minimize time spent outside
Broader Context
This environmental alert comes as over 110 municipalities across Portugal face extreme wildfire risks, with temperatures expected to rise further. The IPMA has placed many regions on high alert, including parts of Alentejo and Algarve.
The Portuguese government has extended the state of alert until Friday, citing ongoing high temperatures and increased wildfire risks.
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