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Primary air pollutant in the Weston area:
PM2.5 - 66 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
PM10 - 27 Good
OZONE - 13 Good
On Monday, December 23rd, expect moderate levels of fine particle matter in valleys with nearby air emission sources due to calm wind and overnight thermal inversions. Otherwise, in more exposed locations Expect generally good air quality in areas subject to prevailing wind flow and without nearby air emission sources. (Note that the forecast approach for these meteorological conditions is to issue a moderate forecast for designated ‘mountain valley locations’, but the moderate conditions may also occur for other protected valley locations).
Primary Pollutant: PM2.5 - 45 Good
Secondary Pollutant: OZONE - 25 Good
Primary Pollutant: PM2.5 - 60 Moderate
Secondary Pollutant: OZONE - 25 Good