Annual measurements of major pollutants in the South region

Annual average concentrations from the permanent network of European measurements of the main regulated pollutants in ambient air in the Southern region: sulphur dioxide SO2, nitrogen monoxide NO and nitrogen dioxide NO2, suspended particulate matter PM10, suspended particulate matter PM2.5, ozone O3, benzene C6H6, carbon monoxide CO. All data provided are μg/m³ (microgram per cubic metre) except CO (mg/m³). Automatic field measurements. Average concentrations were calculated in accordance with the Methodology Guide for the calculation of air quality statistics (LCSQA 2016) from data measured using European or equivalent reference methods (Directives 2008/50/EU and 2004/107/EU). Data are available for the last 5 calendar years. Description of fields: * name_dept (text): measurement station department name * name_com (text): name of the municipality of the measuring station * insee_com (text): official code of the municipality of the measuring station * name_station (text): measurement station name * code_station (text): European code of the measuring station * typology (text): station typology (urban, periurban, rural) * influence (text): majority influence of the measure (bottom, traffic, industrial) * name_poll (text): name of the pollutant considered * id_poll_ue (text): unique identifier of the pollutant considered according to the European nomenclature * value (number): measured concentration * unite (text): unit in which the measured concentration * mettric (text) is expressed: duration over which the measure is averaged (hour, daily, monthly, annual) * start date (date): start of the measurement period * date_end (date): end of measurement period * status_valid (text): data validation status (true: validated data; false: gross data) * x_l93 (number): coordinate x of the station in Lambert 93 * y_l93 (number): coordinated y from the station in Lambert 93本数据集涵盖欧洲南部区域环境空气中主要合规管控污染物的长期固定监测网络年度平均浓度数据，涉及污染物包括：二氧化硫（Sulphur Dioxide, SO₂）、一氧化氮（Nitrogen Monoxide, NO）、二氧化氮（Nitrogen Dioxide, NO₂）、可吸入颗粒物PM10、细颗粒物PM2.5、臭氧（Ozone, O₃）、苯（Benzene, C₆H₆）以及一氧化碳（Carbon Monoxide, CO）。所有数据计量单位为微克每立方米（μg/m³），仅一氧化碳（CO）除外，其计量单位为毫克每立方米（mg/m³）。本数据集采用野外自动监测手段获取原始数据，年度平均浓度依据《空气质量统计计算方法指南》（LCSQA 2016），通过符合欧盟标准或等效标准的监测方法（欧盟指令2008/50/EU及2004/107/EU）采集的实测数据计算得到。数据集覆盖近5个完整日历年。 数据集各字段说明如下： * name_dept（文本型）：监测站所属省（行政区）名称 * name_com（文本型）：监测站所在市镇名称 * insee_com（文本型）：监测站所在市镇的官方编码 * name_station（文本型）：监测站名称 * code_station（文本型）：监测站的欧洲标准编码 * typology（文本型）：监测站点位类型（城市、城郊、农村） * influence（文本型）：监测点位的主要污染源影响类型（背景源、交通源、工业源） * name_poll（文本型）：监测污染物名称 * id_poll_ue（文本型）：依据欧盟命名规则确定的监测污染物唯一标识符 * value（数值型）：实测污染物浓度值 * unite（文本型）：实测浓度的计量单位 * mettric（文本型）：监测浓度的平均计算时长（小时、日、月、年） * start date（日期型）：监测时段起始日期 * date_end（日期型）：监测时段结束日期 * status_valid（文本型）：数据验证状态（true：已验证数据；false：原始未处理数据） * x_l93（数值型）：监测站在兰伯特93（Lambert 93）坐标系下的X坐标 * y_l93（数值型）：监测站在兰伯特93（Lambert 93）坐标系下的Y坐标