Air Quality forecast in North America - System for Integrated modeLling of Atmospheric coMposition

Note: The colors used for PM_2.5, PM₁₀ and Ozone (O₃) are based on the US EPA standard. The colors used for Nitrogen Dioxide (NO₂), Sulphure Dioxide (SO₂) and Carbon Monoxyde (CO) are based on an arbitrary color standard which best matches the concentration range. It does not have any relation with the AQI breakpoints, as in most cases, the AQI for those 3 gases is most often below 50.

There are many forecast models, for different regions of the globe - below are few of them. Just click on any of them to see the animated map for the given model.

北美

Cams

For a full list of all forecast model and polutants, check the forecast/model page.

Please note that all above analysis are done on the World Air Quality Index (WAQI) project own budget.
We did not receive any subsidies from any of the intuitions publishing Air Quality forecast models.

Detailled Air Quality Forecast is available for more than 600 cities:

Or just pick any of those cities: 北京, 上海, 成都, 沈阳, 深圳, 广州, 青岛, 西安, 天津, 埼玉, 京都, 大阪, 서울, 부산, 波哥大, 德里, 雅加达, Ulaanbaatar, 河内, 金奈, 加尔各答, 孟买, 海得拉巴, 圣地亚哥, 利马, 圣保罗, 基多, 新加坡, 吉隆坡, 怡保, Perai, 美里, 纽约, Seattle, 芝加哥, 波士顿, Atlanta.

More information about the System for Integrated modeLling of Atmospheric coMposition model can be found on the Finnish Meteorological Institute page.

For the detailled analysis of this model, please check forecast/model/silam-asia/.

分享到： 'Air Quality forecast in North America - System for Integrated modeLling of Atmospheric coMposition'

(http://aqicn.org/forecast/north-america/silam/)

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This forecasting model, and all AQFS which it is based on, are research products intended to provide information related to Air Quality forecast. All reasonable measures have been taken to ensure its quality and accuracy. However:

We do not make warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, correctness, completeness of the information.
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We may change, delete, add to, or otherwise amend information contained on this website without notice

For more information about the underlying concepts of Air Quality forecasting (or Atmospheric Dispertion Modeling), check the article on a visual study of wind impact of PM_2.5 concentration.

本网站采用的污染指数和颜色与EPA是完全相同的。 EPA的指数可以从 AirNow上查到

空气质量指数	空气质量指数级别（状况）及表示颜色	对健康影响情况	建议采取的措施
0 - 50	一级（优）	空气质量令人满意，基本无空气污染	各类人群可正常活动
51 -100	二级（良）	空气质量可接受，但某些污染物可能对极少数异常敏感人群健康有较弱影响	极少数异常敏感人群应减少户外活动
101-150	三级（轻度污染）	易感人群症状有轻度加剧，健康人群出现刺激症状	儿童、老年人及心脏病、呼吸系统疾病患者应减少长时间、高强度的户外锻炼
151-200	四级（中度污染）	进一步加剧易感人群症状，可能对健康人群心脏、呼吸系统有影响	儿童、老年人及心脏病、呼吸系统疾病患者避免长时间、高强度的户外锻炼，一般人群适量减少户外运动
201-300	五级（重度污染）	心脏病和肺病患者症状显著加剧，运动耐受力降低，健康人群普遍出现症状	儿童、老年人及心脏病、肺病患者应停留在室内，停止户外运动，一般人群减少户外运动
300+	六级（严重污染）	健康人群运动耐受力降低，有明显强烈症状，提前出现某些疾病	儿童、老年人和病人应停留在室内，避免体力消耗，一般人群避免户外活动

(参考详见 http://zh.wikipedia.org/wiki/空气质量指数)

如果你想了解更多有关空气质量与污染，详见维基百科或者 AirNow

有关健康建议详见北京的Richard Saint Cyr MD医生的博客：www.myhealthbeijing.com

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