PSI Singapore Now: Real-Time Air Quality Monitoring for a Healthier City

What is PSI?

The Pollutant Standards Index (PSI) is a measure of air quality that is used in Singapore to assess the level of air pollution. The PSI is calculated using a weighted average of the concentrations of five key air pollutants: particulate matter (PM10 and PM2.5), sulfur dioxide (SO2), nitrogen dioxide (NO2), and carbon monoxide (CO).

The PSI is reported on a scale of 0 to 100, with higher values indicating higher levels of air pollution. The PSI is classified into five bands, each with a corresponding color code:

• Good (0-50): Air quality is good and poses no health risks.
• Moderate (51-100): Air quality is moderate and may cause mild health effects in sensitive individuals.
• Unhealthy (101-200): Air quality is unhealthy for sensitive individuals and may cause moderate health effects in everyone.
• Very Unhealthy (201-300): Air quality is very unhealthy and may cause serious health effects in everyone.
• Hazardous (300+): Air quality is hazardous and may cause severe health effects in everyone.

Why is PSI Important?

The PSI is important because air pollution can have a significant impact on human health. Exposure to air pollution can cause a range of health problems, including:

• Respiratory problems, such as asthma and bronchitis
• Cardiovascular problems, such as heart disease and stroke
• Cancer
• Neurological problems, such as dementia and Parkinson's disease

Air pollution can also have a negative impact on the environment, causing damage to crops and forests and contributing to climate change.

How is PSI Monitored in Singapore?

The PSI is monitored in Singapore by the National Environment Agency (NEA). The NEA operates a network of air quality monitoring stations across the country that measure the concentrations of the five key air pollutants. The data from these monitoring stations is used to calculate the PSI.

What is the Current PSI in Singapore?

The current PSI in Singapore can be found on the NEA website or on the myENV mobile app. The NEA also provides real-time air quality data through a network of LED displays located around the country.

What Can I Do to Reduce Air Pollution?

There are a number of things that individuals can do to reduce air pollution, including:

• Reduce your energy consumption: Energy production is a major source of air pollution. By reducing your energy consumption, you can help to reduce air pollution.
• Drive less: Driving is a major source of air pollution. By driving less, you can help to reduce air pollution.
• Choose renewable energy: Renewable energy sources, such as solar and wind power, do not produce air pollution. By choosing renewable energy, you can help to reduce air pollution.
• Support businesses that are committed to reducing air pollution: By supporting businesses that are committed to reducing air pollution, you can help to create a demand for cleaner air.

The Future of Air Quality Monitoring in Singapore

The NEA is committed to improving air quality monitoring in Singapore. The NEA is currently working on a number of projects to improve air quality monitoring, including:

• Installing more air quality monitoring stations: The NEA is installing more air quality monitoring stations across the country to provide more detailed and accurate air quality data.
• Developing new air quality monitoring technologies: The NEA is developing new air quality monitoring technologies to improve the accuracy and timeliness of air quality data.
• Expanding the use of real-time air quality data: The NEA is expanding the use of real-time air quality data to provide the public with more information about air quality and to help them make informed decisions about how to protect their health.

Conclusion

The PSI is an important tool for assessing air quality and protecting public health. The NEA is committed to improving air quality monitoring in Singapore and to providing the public with the information they need to make informed decisions about how to protect their health.

Additional Resources

• National Environment Agency website
• myENV mobile app

Tables

Table 1: PSI Bandings and Corresponding Color Codes

Table 2: Health Effects of Air Pollution

Table 3: Air Quality Monitoring Stations in Singapore

Table 4: Current PSI in Singapore