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Watch: With two minute updates, PurpleAir sensors are small, easy to install and require only power and WiFi.
Watch: With two minute updates, The US EPA PM2.5 Air Quality Index (AQI) is a number used by US government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to become.
Real time measurement of air quality on a public map. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
Watch: With two minute updates, The Canadian PM2.5 layer is based on PM2.5 values with breakpoints matching the AQHI+ also used on the aqmap.ca website. Be sure to use hourly averages and the ECCC conversion on the PurpleAir map if you wish to compare the two maps.
Watch: With two minute updates, Volatile Organic Compounds in Bosch Static IAQ units. This parameter is experimental and we are still evaluating what it means. The first report is available on the SCAQMD's purpleair pa-ii flex voc evaluation page. It shows the data may be useful for short spikes or transients but longer events are less detectable.
Watch: With two minute updates, The PM2.5 Air Quality Health Index or (AQHI+) was designed in Canada to help understand the impact of air quality on health. The AQHI+ is calculated using only PM2.5 concentration which is then divided by ten and rounded upwards.
Watch: With two minute updates, The Air Quality Index (AQI) is a scale of air pollution that helps us understand air quality and modify our activities if pollution levels are high.
Watch: With two minute updates, According to the WHO global air quality guidelines (AQG), "Interim targets serve as incremental steps in the progressive reduction of air pollution towards the air quality guideline levels and are intended for use in areas where air pollution is high."
Watch: With two minute updates, A new health activity guide provides detailed information on how people can protect themselves from air pollution and messaging targets at-risk people as well as the general population.
Watch: With two minute updates, Raw PM2.5 measurements in micrograms per cubic meter of air.