Sää: Vancouver

Tiistai 23.00

49.25 -123.12

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ILMATIETEEN LAITOS

FORECA

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Varoitukset

Huono ilmanlaatu

Alkaa:
21.8. 21:29

Loppuu:
22.8. 5:29

Lisätietoja

special air quality statement in effect AIR QUALITY ADVISORY IN EFFECT Metro Vancouver is continuing an Air Quality Advisory for Metro Vancouver and the Fraser Valley because of high concentrations of fine particulate matter due to smoke from wildfires burning in British Columbia and the western United States. Elevated levels of fine particulate matter are expected to persist until there is a change in fire or weather conditions. Smoke concentrations may vary widely across the region as winds and temperatures change, and as wildfire behaviour changes. The air quality advisory has been expanded to include ground-level ozone. Concentrations of ozone are expected reach advisory levels in eastern Metro Vancouver and the Fraser Valley, with high concentrations expected to persist until at least tomorrow. Fine particulate matter, also known as PM2.5, refers to airborne solid or liquid droplets with a diameter of 2.5 micrometres (µm) or less. PM2.5 can easily penetrate indoors because of its small size. Ground-level ozone is not emitted directly into the air. It is formed when nitrogen oxides (pollutants emitted when fuels are burned) and volatile organic compounds (emitted from solvents) react in the air in the presence of sunlight. The highest levels of ground-level ozone are generally observed between mid-afternoon and early evening on summer days. Avoid strenuous outdoor activities, particularly during mid-afternoon and early evening when ozone levels are highest. Exposure to ozone and fine particulate matter is particularly a concern for infants, the elderly and those who have underlying medical conditions such as lung disease, heart disease, diabetes or asthma. If you are experiencing symptoms such as chest discomfort, shortness of breath, coughing or wheezing, follow the advice of your healthcare provider. As we are in the summer season with warm temperatures, it is also important to stay cool and hydrated. Indoor spaces with air conditioning may offer relief from both heat and air pollution. This advisory is expected to continue until there is a change in the current weather. Metro Vancouver works in cooperation with Environment and Climate Change Canada, Fraser Valley Regional District and B.C. Ministry of Environment and Climate Change Strategy to look after air quality. Information about real-time air quality readings for Metro Vancouver and Fraser Valley communities and potential health impacts can be found at www.airmap.ca and http://www.env.gov.bc.ca/epd/bcairquality/readings/find-stations-map.html. ### For more information on current air quality, see: www.bcairquality.ca. Visit www.airhealth.ca for information on how to reduce your health risk and your personal contribution to pollution levels, as well as for current and forecast AQHI values. Please continue to monitor alerts and forecasts issued by Environment Canada.

Sää: Vancouver

Tiistai 23.00

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FORECA

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