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 : 2026-07-16 17:19:46 HTTP/2.0 GET : https://m.tianqibao.com/aqi/nielamuxian.html
- 运行时间 : 0.204973s [ 吞吐率:4.88req/s ] 内存消耗:6,697.52kb 文件加载:241
- 查询信息 : 30 queries
- 缓存信息 : 18 reads,4 writes
- 会话信息 : SESSION_ID=0b02b1d284a8e42a5e3f4a390736a568
- CONNECT:[ UseTime:0.001135s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.022120s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002889s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.002868s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'nielamuxian' LIMIT 1 [ RunTime:0.004205s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3140 LIMIT 1 [ RunTime:0.001181s ]
- SELECT * FROM `sa_area` WHERE `pid` = 414 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.009317s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3125 LIMIT 1 [ RunTime:0.002018s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3126 LIMIT 1 [ RunTime:0.001674s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3127 LIMIT 1 [ RunTime:0.001521s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3128 LIMIT 1 [ RunTime:0.001622s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3129 LIMIT 1 [ RunTime:0.000965s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3130 LIMIT 1 [ RunTime:0.000848s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3131 LIMIT 1 [ RunTime:0.002411s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3132 LIMIT 1 [ RunTime:0.002266s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3133 LIMIT 1 [ RunTime:0.000972s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3134 LIMIT 1 [ RunTime:0.000871s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3135 LIMIT 1 [ RunTime:0.000806s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3136 LIMIT 1 [ RunTime:0.000806s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3137 LIMIT 1 [ RunTime:0.000919s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3138 LIMIT 1 [ RunTime:0.000940s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3139 LIMIT 1 [ RunTime:0.001073s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002278s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 3140 LIMIT 1 [ RunTime:0.009397s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 18 LIMIT 1 [ RunTime:0.014897s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,366,362,360,337,428,381,380,377,374) [ RunTime:0.001440s ]
- SELECT * FROM `sa_area` WHERE `id` IN (418,446,419,449,448,450,95,412,385,414) [ RunTime:0.001465s ]
- SELECT * FROM `sa_area` WHERE `id` IN (97,414,449,450,303,396,468,95,345,417) [ RunTime:0.002249s ]
- SELECT * FROM `sa_area` WHERE `id` IN (460,452,463,68,64,60,56,54,58,36) [ RunTime:0.002677s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002950s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001420s ]

0.213654s