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 : 2026-07-15 14:46:51 HTTP/2.0 GET : https://m.tianqibao.com/aqi/tongling.html
- 运行时间 : 0.255004s [ 吞吐率:3.92req/s ] 内存消耗:6,671.30kb 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=2efddfc8077c7def2836c78bf2202c7a
- CONNECT:[ UseTime:0.005833s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.013839s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.005673s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'tongling' LIMIT 1 [ RunTime:0.002684s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 183 LIMIT 1 [ RunTime:0.001213s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 177 LIMIT 1 [ RunTime:0.001775s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 178 LIMIT 1 [ RunTime:0.001645s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 179 LIMIT 1 [ RunTime:0.002214s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 180 LIMIT 1 [ RunTime:0.001366s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 181 LIMIT 1 [ RunTime:0.001615s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 182 LIMIT 1 [ RunTime:0.003347s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 183 LIMIT 1 [ RunTime:0.003357s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 184 LIMIT 1 [ RunTime:0.002216s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 185 LIMIT 1 [ RunTime:0.001849s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 186 LIMIT 1 [ RunTime:0.002689s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 187 LIMIT 1 [ RunTime:0.002165s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 188 LIMIT 1 [ RunTime:0.002111s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 189 LIMIT 1 [ RunTime:0.003877s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 190 LIMIT 1 [ RunTime:0.002863s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 191 LIMIT 1 [ RunTime:0.003497s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002351s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 183 LIMIT 1 [ RunTime:0.007305s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 88 LIMIT 1 [ RunTime:0.002345s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,362,360,428,381,380,377,356,350,336) [ RunTime:0.002070s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.005575s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,418,446,450,95,414,449,448,385,386) [ RunTime:0.001949s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.007593s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,396,95,468,407,123,366,410,412,342) [ RunTime:0.002100s ]
- SELECT * FROM `sa_area` WHERE `id` IN (241,476,463,251,371,232,189,84,465,466) [ RunTime:0.003621s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.010788s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.007681s ]

0.265994s