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 : 2025-11-08 11:27:06 HTTP/2.0 GET : https://m.tianqibao.com/aqi/luan.html
- 运行时间 : 0.127952s [ 吞吐率:7.82req/s ] 内存消耗:6,656.01kb 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=7009d1af7e3fa085524342c8f8e52354
- CONNECT:[ UseTime:0.001795s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.003957s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002758s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'luan' LIMIT 1 [ RunTime:0.001561s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 189 LIMIT 1 [ RunTime:0.001165s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 177 LIMIT 1 [ RunTime:0.000851s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 178 LIMIT 1 [ RunTime:0.001197s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 179 LIMIT 1 [ RunTime:0.000698s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 180 LIMIT 1 [ RunTime:0.000695s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 181 LIMIT 1 [ RunTime:0.000695s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 182 LIMIT 1 [ RunTime:0.000699s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 183 LIMIT 1 [ RunTime:0.001822s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 184 LIMIT 1 [ RunTime:0.001734s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 185 LIMIT 1 [ RunTime:0.000855s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 186 LIMIT 1 [ RunTime:0.000773s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 187 LIMIT 1 [ RunTime:0.000762s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 188 LIMIT 1 [ RunTime:0.000770s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 189 LIMIT 1 [ RunTime:0.000753s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 190 LIMIT 1 [ RunTime:0.000751s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 191 LIMIT 1 [ RunTime:0.001108s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001365s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 189 LIMIT 1 [ RunTime:0.003804s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.006538s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 0 LIMIT 1 [ RunTime:0.010888s ]
- SELECT * FROM `sa_area` WHERE `id` IN (321,324,323,313,198,528,524,523,522,521) [ RunTime:0.001695s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,136,130,132,418,134,446,95,99,131) [ RunTime:0.001889s ]
- SELECT * FROM `sa_area` WHERE `id` IN (189,249,412,274,95,271,352,355,385,261) [ RunTime:0.000727s ]
- SELECT * FROM `sa_area` WHERE `id` IN (109,98,111,122,124,112,93,117,132,115) [ RunTime:0.001064s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001422s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000647s ]

0.134210s