What are safe levels of PM10?

Technically, there isn’t a safe level of PM10, as any amount of particulate matter in your air isn’t a good thing. Keeping your exposure to PM10 concentrations below 54.0 µg/m³ is the best way to prevent any short or long-term health effects from developing.

What is PM10 in air quality?

PM10 is any particulate matter in the air with a diameter of 10 micrometers or less, including smoke, dust, soot, salts, acids, and metals. Particulate matter can also be formed indirectly when gases emitted from motor vehicles and industries undergo chemical reactions in the atmosphere.

Which will reduce PM10 concentration in atmosphere?

green space area factor
Similarly, the concentration of PM10 in the air was also largely influenced by the green space area factor, increasing the green space area helps to reduce the PM10 concentration in the air [47].

How do you calculate the concentration of PM10?

5/PM10 AQI is calculated by taking the 24-hour concentration average from midnight to midnight (Local Standard Time) and converting to AQI. 75%, or 18/24 hours of data are needed for a valid daily AQI calculation.

What are sources of PM10?

PM10 also includes dust from construction sites, landfills and agriculture, wildfires and brush/waste burning, industrial sources, wind-blown dust from open lands, pollen and fragments of bacteria.

What is normal PM10?

Normal level of PM10 should be 100 micrograms cubic metre and PM2. 5 level should be 60 microgram cubic meter.

Is PM10 a dust?

PM10 particles can be found in dust and smoke. Find out how they can impact our health and how to check air quality. PM10 are very small particles found in dust and smoke. They have a diameter of 10 micrometres (0.01 mm) or smaller.

What causes PM10?

Emissions from combustion of gasoline, oil, diesel fuel or wood produce much of the PM2. PM10 also includes dust from construction sites, landfills and agriculture, wildfires and brush/waste burning, industrial sources, wind-blown dust from open lands, pollen and fragments of bacteria.

What is the permissible concentration of PM10 in the air?

The 24 hr mean concentrations of PM10 ranged between 69.3 to 118.9 microg m(-3), which is well within the permissible limit (150 microg m(-3)) of national ambient air quality standards (NAAQS) but found higher than the prescribed annual daily limit of US EPA (50 microg m(-3)).

How do we calculate AQI?

How Is The AQI Calculated? To determine air quality in an area, pollutant concentrations are physically measured and reported. The AQI is calculated based on the average concentration of a particular pollutant measured over a standard time interval (24 hours for most pollutants, 8 hours for carbon monoxide and ozone).

How do you protect yourself from PM10?

When driving, stay clear of older vehicles or ones that have dirty looking exhaust smoke coming out of their exhaust pipes. Keeping the windows of your vehicle closed in heavy traffic can also help to reduce the amount of particulate matter in your own car.

What do you mean by PM10?

Using a nationwide network of monitoring sites, EPA has developed ambient air quality trends for particle pollution, also called Particulate Matter (PM). PM10 describes inhalable particles, with diameters that are generally 10 micrometers and smaller.

What is the average concentration of PM10 per hour?

An annual average of 40 µg/m 3 for PM10; A 24-hour average of 50 µg/m 3 more than 35 times in a single year for PM10; An annual average of 25 µg/m 3 for PM2.5. 2. Trends in concentrations of PM10 in the UK, 1992 to 2020

What is the diameter of a PM 10 particle?

PM 10 describes inhalable particles, with diameters that are generally 10 micrometers and smaller. Under the Clean Air Act, EPA sets and reviews national air quality standards for PM. Air quality monitors measure concentrations of PM throughout the country.

What kind of air quality is pm 10?

PM 10 describes inhalable particles, with diameters that are generally 10 micrometers and smaller. Under the Clean Air Act, EPA sets and reviews national air quality standards for PM. Under the Clean Air Act, EPA sets and reviews national air quality standards for PM.

What was the PM 10 level in 1997?

The 24-hour standard was set at 65 μg/m 3 based on the 3-year average of the annual 98th percentile concentrations. The 1997 standards retained, but slightly revised, standards for PM 10, which limited PM 10 concentrations to 50 μg/m 3 based on an annual average, and 150 μg/m 3 based on a 24-hour average.