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河南信阳南湾国家森林公园是国家4A级风景区,位于大别山北麓信阳市西郊,总面积2810公顷,公园入口距离信阳市中心城区7公里。南湾国家森林公园地处亚热带向暖温带的过渡地带,岛屿湖泊与森林景观交相辉映,历史景观与人文景观浑然天成,便利的交通条件和完善的旅游设施是其最大特点。经相关专业机构检测,森林公园内负氧离子浓度平均值每立方厘米2.37万个,瞬间最大值为每立方厘米7.5万个。空气颗粒物(PM2.5)含量平均值45.32ug/m3,最高值48.86ug/m3,最低值41.5ug/m3。空气细菌总数平均值每立方米516个,
Henan Xinyang Nanwan National Forest Park is a national 4A-level scenic spot located in the western suburbs of Xinyang City in the northern foot of the Dabie Mountain with a total area of 2810 hectares. The entrance of the park is 7 kilometers away from the downtown Xinyang City. Nanwan National Forest Park is located in the transition zone of subtropical to warm temperate zone. The island lakes and the forest landscape are pavilions of each other. Historical landscape and cultural landscape are totally natural. Convenient traffic conditions and perfect tourism facilities are the most important features. The relevant professional organizations test, the average concentration of negative oxygen ions in Forest Park, 23,700 per cubic centimeter, the instant maximum of 75,000 per cubic centimeter. Airborne particulate matter (PM2.5) content average 45.32ug / m3, the highest value of 48.86ug / m3, the lowest value of 41.5ug / m3. The total number of air bacteria 516 per cubic meter,