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 14:01:35 HTTP/2.0 GET : https://m.tianqibao.com/aqi/feixiangqu.html
- 运行时间 : 0.982881s [ 吞吐率:1.02req/s ] 内存消耗:6,674.05kb 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=95784f46f8f51807fe0c018b0d2fa09c
- CONNECT:[ UseTime:0.011050s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.040287s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.045545s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'feixiangqu' LIMIT 1 [ RunTime:0.018516s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 743 LIMIT 1 [ RunTime:0.027544s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 739 LIMIT 1 [ RunTime:0.036106s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 740 LIMIT 1 [ RunTime:0.035199s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 741 LIMIT 1 [ RunTime:0.029792s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 742 LIMIT 1 [ RunTime:0.020610s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 743 LIMIT 1 [ RunTime:0.040337s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 744 LIMIT 1 [ RunTime:0.028391s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 745 LIMIT 1 [ RunTime:0.039604s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 746 LIMIT 1 [ RunTime:0.015669s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 747 LIMIT 1 [ RunTime:0.003396s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 748 LIMIT 1 [ RunTime:0.005579s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 749 LIMIT 1 [ RunTime:0.003725s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 750 LIMIT 1 [ RunTime:0.004410s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 751 LIMIT 1 [ RunTime:0.002496s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 752 LIMIT 1 [ RunTime:0.018942s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 753 LIMIT 1 [ RunTime:0.019545s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.087482s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 743 LIMIT 1 [ RunTime:0.012812s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.011272s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 53 LIMIT 1 [ RunTime:0.029042s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,428,356,336,361,343,458,375,471,462) [ RunTime:0.007871s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,136,418,446,443,450,95,130,414,449) [ RunTime:0.001570s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,396,95,468,407,123,366,410,412,342) [ RunTime:0.001724s ]
- SELECT * FROM `sa_area` WHERE `id` IN (241,476,463,251,371,232,189,84,465,466) [ RunTime:0.008561s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002786s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.004413s ]

0.995081s