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 : 2025-12-07 13:20:02 HTTP/2.0 GET : https://m.tianqibao.com/aqi/hulunbeier.html
- 运行时间 : 0.169929s [ 吞吐率:5.88req/s ] 内存消耗:6,624.74kb 文件加载:241
- 查询信息 : 28 queries
- 缓存信息 : 17 reads,5 writes
- 会话信息 : SESSION_ID=6298f3893b982ce41aea04064972c75e
- CONNECT:[ UseTime:0.001502s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.003395s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001205s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'hulunbeier' LIMIT 1 [ RunTime:0.001986s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 95 LIMIT 1 [ RunTime:0.001162s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 89 LIMIT 1 [ RunTime:0.001765s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 90 LIMIT 1 [ RunTime:0.001204s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 91 LIMIT 1 [ RunTime:0.001332s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 92 LIMIT 1 [ RunTime:0.001287s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 93 LIMIT 1 [ RunTime:0.001708s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 94 LIMIT 1 [ RunTime:0.002696s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 95 LIMIT 1 [ RunTime:0.001774s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 96 LIMIT 1 [ RunTime:0.001300s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 97 LIMIT 1 [ RunTime:0.001536s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 98 LIMIT 1 [ RunTime:0.001336s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 99 LIMIT 1 [ RunTime:0.002655s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 100 LIMIT 1 [ RunTime:0.001650s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002980s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 95 LIMIT 1 [ RunTime:0.002569s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.007799s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 3 LIMIT 1 [ RunTime:0.005566s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.004015s ]
- SELECT * FROM `sa_area` WHERE `id` IN (327,325,408,324,321,318,317,314,311,528) [ RunTime:0.001299s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,136,127,134,130,99,446,97,131,79) [ RunTime:0.001874s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,358,365,363,416,366,342,441,359,445) [ RunTime:0.002344s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.007309s ]
- SELECT * FROM `sa_area` WHERE `id` IN (518,514,466,240,221,104,83,227,220,224) [ RunTime:0.001250s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001255s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000778s ]

0.177127s