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 : 2026-04-01 22:33:28 HTTP/2.0 GET : https://m.tianqibao.com/aqi/manzhouli.html
- 运行时间 : 0.248323s [ 吞吐率:4.03req/s ] 内存消耗:6,536.98kb 文件加载:241
- 查询信息 : 28 queries
- 缓存信息 : 18 reads,3 writes
- 会话信息 : SESSION_ID=2336fc7952b34983d387a92678ff54db
- CONNECT:[ UseTime:0.016254s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.008882s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001698s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'manzhouli' LIMIT 1 [ RunTime:0.001425s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1061 LIMIT 1 [ RunTime:0.000413s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1052 LIMIT 1 [ RunTime:0.001025s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1053 LIMIT 1 [ RunTime:0.000431s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1054 LIMIT 1 [ RunTime:0.000445s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1055 LIMIT 1 [ RunTime:0.000463s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1056 LIMIT 1 [ RunTime:0.000432s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1057 LIMIT 1 [ RunTime:0.000841s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1058 LIMIT 1 [ RunTime:0.000649s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1059 LIMIT 1 [ RunTime:0.001214s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1060 LIMIT 1 [ RunTime:0.000403s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1061 LIMIT 1 [ RunTime:0.000363s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1062 LIMIT 1 [ RunTime:0.000818s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1063 LIMIT 1 [ RunTime:0.000477s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1064 LIMIT 1 [ RunTime:0.000355s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1065 LIMIT 1 [ RunTime:0.000290s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.003821s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 1061 LIMIT 1 [ RunTime:0.001629s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 5 LIMIT 1 [ RunTime:0.004625s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,328,323,320,327,324,314,311,369,315) [ RunTime:0.012203s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,132,134,95,449,109,118,127,130,418) [ RunTime:0.003560s ]
- SELECT * FROM `sa_area` WHERE `id` IN (99,446,448,449,450,451,460,475,477,366) [ RunTime:0.000821s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.002623s ]
- SELECT * FROM `sa_area` WHERE `id` IN (116,70,225,467,159,223,135,77,476,463) [ RunTime:0.016596s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002910s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001070s ]

0.284437s