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 12:48:02 HTTP/2.0 GET : https://m.tianqibao.com/aqi/mengzi.html
- 运行时间 : 0.676814s [ 吞吐率:1.48req/s ] 内存消耗:6,670.19kb 文件加载:241
- 查询信息 : 26 queries
- 缓存信息 : 18 reads,2 writes
- 会话信息 : SESSION_ID=f22e8047e92d84b550bcd902939c74ab
- CONNECT:[ UseTime:0.022976s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.007053s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.129802s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'mengzi' LIMIT 1 [ RunTime:0.031828s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3067 LIMIT 1 [ RunTime:0.035965s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3065 LIMIT 1 [ RunTime:0.006234s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3066 LIMIT 1 [ RunTime:0.015184s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3067 LIMIT 1 [ RunTime:0.000822s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3068 LIMIT 1 [ RunTime:0.000885s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3069 LIMIT 1 [ RunTime:0.001667s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3070 LIMIT 1 [ RunTime:0.013549s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3071 LIMIT 1 [ RunTime:0.001216s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3072 LIMIT 1 [ RunTime:0.002149s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3073 LIMIT 1 [ RunTime:0.003503s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3074 LIMIT 1 [ RunTime:0.003283s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3075 LIMIT 1 [ RunTime:0.001187s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3076 LIMIT 1 [ RunTime:0.003604s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3077 LIMIT 1 [ RunTime:0.002198s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001979s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 3067 LIMIT 1 [ RunTime:0.028636s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 18 LIMIT 1 [ RunTime:0.018357s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,428,356,336,361,343,458,375,471,462) [ RunTime:0.009307s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,136,418,446,443,450,95,130,414,449) [ RunTime:0.014833s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,396,95,468,407,123,366,410,412,342) [ RunTime:0.006540s ]
- SELECT * FROM `sa_area` WHERE `id` IN (241,476,463,251,371,232,189,84,465,466) [ RunTime:0.002408s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.005791s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.016380s ]

0.686709s