​​​​​加拿大环境部（Environment Canada）针对9月5日星期二的空气质量健康指数（AQHI）预计为7，即“高风险”。如果AQHI保持在7或以上，学校被要求： - 考虑推迟或取消午餐和休息时间的户外活动，包括火灾演习； - 如果进行户外活动，限制运动强度； - 将强制性的火灾演习重新安排至空气质量改善到6（中等）或更低的水平； - 如果学校内的空气质量情况恶化，与设施运营商密切合作。设施运营商是监控和管理学校通风系统的最佳人员，并且可使用中央资源来解决任何问题。 为了支持学生和员工的健康和安全，将在星期二上午采取以下措施： - 将所有集中自动化的暖通空调（HVAC）系统调整到最小新鲜空气交换，直至空气质量警报解除； - 对于没有集中控制的暖通空调系统，设施运营商将手动调整系统以最小化新鲜空气交换。请注意，CBE设施运营商具备五级电力工程师资质，并且经过良好的学校建筑系统操作培训； - 我们将密切监测CEMA和省级机构的指导，如果情况需要其他措施，我们将通知学校。 我们知道这些条件对每个家庭的影响不同。如果您决定您的孩子不上课，请确保与您的学校请假电话线报备缺勤。 此页面将随着情况发展而更新。 省级政府使用空气质量健康指数（AQHI）向每个社区的阿尔伯塔省民分享空气质量。阿尔伯塔省卫生服务机构建议减少户外体育活动的水平，以减少吸入空气污染物带来的影响，因为个人可能会出现暂时的眼睛和喉咙刺激以及呼吸困难。 户外活动的空气质量准则如下： - 1-3级：低健康风险，继续正常活动； - 4-6级：中等健康风险，考虑限制活动的水平。减少剧烈活动的强度和持续时间。提供休息时间。对有健康问题可能受到空气质量影响的学生，考虑室内休息； - 7-10级：高健康风险，减少或重新安排户外剧烈活动。对所有学生考虑室内休息和午餐监督； - 10级以上：非常高健康风险，避免户外剧烈活动。对所有学生考虑室内休息和午餐监督。 请注意： 以上翻译来源于机器翻译，仅供参考。

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​​​​​The Environment Canada air quality health index (AQHI) for Tuesday, Sept. 5 is expected to be 7 or "high risk." If the AQHI remains at 7 or above, schools are being asked to:

• consider postponing or cancelling outside activities during lunch and recess, including fire drills;
  
• limit the level of exertion if outside activities proceed;
  
• reschedule mandated fire drills until air quality improves to 6 (moderate) or lower; and
  
• work closely with their facility operator if air quality conditions in the school appear to deteriorate. Facility operators are in the best position to monitor and manage school ventilation systems, and ahve access to central resources should any issues be identified. 
  

The following measures are being put into place Tuesday morning to support the health and safety of students and staff:

• All heating, ventilation and air conditioning (HVAC) systems that are centrally automated will be adjusted to minimize fresh air exchange until the air quality advisory is lifted;
• For schools with HVAC systems that are not centrally controlled, facility operators will manually adjust the system to minimize fresh air exchange. Please note that CBE facility operators are qualified 5^th Class Power Engineers and are well trained in the operation of the school building systems; and
• We are monitoring CEMA and provincial authorities for any direction and guidance on the air quality situation and will notify schools if the situation requires additional measures.

​We know these conditions impact every family differently. If you make the decision that your child will not be attending classes, please ensure you contact your school's attendance line to report the absence.

This page will be updated as the situation evolves.

​​​The provincial government uses the Air Quality Health Index (AQHI) to share the air quality with Albertans in each community. Alberta Health Services recommends reducing th​e levels of outdoor physical activity to decrease the inhalation of airborne pollutants as individuals may experience temporary irritation of eyes and throat and possibly shortness of breath.​​

​​Air Quality Guidelines for Outdoor Activities

Air Quality Health Index (AQHI) is defined and measured by Environment Canada. Below are the recommended restrictions for outdoor activities related to air quality:

AQHI​​		CBE Response
1-3	Low heath risk	Continue as normal
4-6	Moderate health risk	Consider restricting levels of activities. Reduce the intensity and duration of any strenuous activities. Provide resting periods. Consider indoor recess for students with health issues that maybe impacted by air quality.
7-10	High health risk	Reduce or reschedule strenuous activities outdoors. Consider indoor recess and lunch supervision for all students.
Above 10	Very high health risk	Avoid strenuous activities outdoors. Consider indoor recess and lunch supervision for all students.

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