中国环境保护部实时发布
            乐东黎族自治县空气质量指数
            
         
        
        
        
    
    
    
    空气质量小常识
    
        
            - 1、口罩小知识
 
            - 
                常见的PM2.5口罩有N90,N95,N99等类型,其中数字90代表过滤效果在90%以上,95代表过滤效果在95%以上。过渡效果越好,相对呼吸也越困难,一般选择N90系列的口罩就足够了。
            
 
            - 2、PM2.5和PM10的区别
 
            - PM2.5指空气中直径≤2.5微米的颗粒物,可入肺。吸入过多易引发哮喘、支气管炎和心血管病等疾病。
PM10指空气中直径≤10微米的颗粒物,可入上呼吸道,但可排出体外,对人体危害相对较小。
             
            - 3、雾霾是什么?
 
            - 
                雾霾天气是一种大气污染状态,包含各种含量超标的悬浮颗粒物。雾是液态水珠,霾是固体,包括空气中的灰尘、硫酸、硝酸、可吸入颗粒物等粒子,会使能见度降低。两者结合在一起就是雾霾。
            
 
        
     
 
 
    
        
                        基本
                        文件
                        流程
                        错误
                        SQL
                        调试
                    
        
                        
                
                    - 请求信息 : 2025-11-04 11:34:39 HTTP/2.0 GET : https://m.tianqibao.com/aqi/ledonglizuzizhi.html
 - 运行时间 : 0.117520s [ 吞吐率:8.51req/s ] 内存消耗:6,564.38kb 文件加载:241
 - 查询信息 : 29 queries
 - 缓存信息 : 17 reads,3 writes
 - 会话信息 : SESSION_ID=44a3cdd8dd28a079e351beaf2de686e4
                 
             
                        
                        
                        
                        
                
                    - CONNECT:[ UseTime:0.003000s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
 - SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.002058s ]
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 - SELECT * FROM `sa_area` WHERE  `pinyin` = 'ledonglizuzizhi' LIMIT 1 [ RunTime:0.001039s ]
 - SELECT COUNT(*) AS think_count FROM `sa_area` WHERE  `pid` = 325 LIMIT 1 [ RunTime:0.000848s ]
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 - SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002558s ]
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 - SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE  `rank` = 1 LIMIT 1 [ RunTime:0.003890s ]
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 - SELECT * FROM `sa_area` WHERE  `id` IN (528,524,523,522,521,513,325,312,326,311) [ RunTime:0.000778s ]
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 - SELECT * FROM `sa_cms_pages` WHERE  `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000682s ]
                 
             
                        
                     
     
    
 
 
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