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 : 2026-04-30 00:49:10 HTTP/2.0 GET : https://m.tianqibao.com/aqi/jizhouqu.html
- 运行时间 : 6.583483s [ 吞吐率:0.15req/s ] 内存消耗:6,555.92kb 文件加载:241
- 查询信息 : 29 queries
- 缓存信息 : 17 reads,5 writes
- 会话信息 : SESSION_ID=9f9bfebf25c2bff93bf22e3582385700
- CONNECT:[ UseTime:0.000851s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.007440s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.005751s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.004841s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'jizhouqu' LIMIT 1 [ RunTime:0.011039s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1852 LIMIT 1 [ RunTime:0.001363s ]
- SELECT * FROM `sa_area` WHERE `pid` = 209 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.122414s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1852 LIMIT 1 [ RunTime:0.031218s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1853 LIMIT 1 [ RunTime:0.007675s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1854 LIMIT 1 [ RunTime:0.002550s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1855 LIMIT 1 [ RunTime:0.029414s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1856 LIMIT 1 [ RunTime:0.012789s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1857 LIMIT 1 [ RunTime:0.002212s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1858 LIMIT 1 [ RunTime:0.003380s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1859 LIMIT 1 [ RunTime:0.001194s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1860 LIMIT 1 [ RunTime:0.003670s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1861 LIMIT 1 [ RunTime:0.003717s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1862 LIMIT 1 [ RunTime:0.005665s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1863 LIMIT 1 [ RunTime:0.001096s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1864 LIMIT 1 [ RunTime:0.002147s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002646s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 1852 LIMIT 1 [ RunTime:0.015742s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:5.669799s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 4 LIMIT 1 [ RunTime:0.049566s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,312,459,327,326,316,315,314,311,328) [ RunTime:0.002258s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,419,449,79,130,418,446,97,136,185) [ RunTime:0.002308s ]
- SELECT * FROM `sa_area` WHERE `id` IN (96,396,448,95,359,366,342,358,363,340) [ RunTime:0.003274s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,471,466,465,467,459,458,432,464,83) [ RunTime:0.002655s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.097320s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.006507s ]

6.605083s