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 16:17:08 HTTP/2.0 GET : https://m.tianqibao.com/aqi/longnan.html
- 运行时间 : 1.746633s [ 吞吐率:0.57req/s ] 内存消耗:6,622.45kb 文件加载:241
- 查询信息 : 31 queries
- 缓存信息 : 17 reads,6 writes
- 会话信息 : SESSION_ID=57afa43dafcf4eac31d2790b8daf404d
- CONNECT:[ UseTime:0.000679s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.006455s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001861s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.002538s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.002162s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'longnan' LIMIT 1 [ RunTime:0.001042s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 441 LIMIT 1 [ RunTime:0.000623s ]
- SELECT * FROM `sa_area` WHERE `pid` = 28 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.001147s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 430 LIMIT 1 [ RunTime:0.000730s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 431 LIMIT 1 [ RunTime:0.000855s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 432 LIMIT 1 [ RunTime:0.000684s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 433 LIMIT 1 [ RunTime:0.000642s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 434 LIMIT 1 [ RunTime:0.000689s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 435 LIMIT 1 [ RunTime:0.000852s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 436 LIMIT 1 [ RunTime:0.000695s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 437 LIMIT 1 [ RunTime:0.000716s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 438 LIMIT 1 [ RunTime:0.000760s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 439 LIMIT 1 [ RunTime:0.000745s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 440 LIMIT 1 [ RunTime:0.000772s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 441 LIMIT 1 [ RunTime:0.001080s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 442 LIMIT 1 [ RunTime:0.000643s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 443 LIMIT 1 [ RunTime:0.000855s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001124s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 441 LIMIT 1 [ RunTime:0.004093s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:1.590873s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 11 LIMIT 1 [ RunTime:0.013385s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,327,325,324,312,311,326,321,317,314) [ RunTime:0.001143s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,95,127,134,446,99,130,79,131,97) [ RunTime:0.000878s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,358,365,363,416,366,342,441,359,445) [ RunTime:0.001409s ]
- SELECT * FROM `sa_area` WHERE `id` IN (518,514,466,240,221,104,83,227,220,224) [ RunTime:0.001648s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002834s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.002234s ]

1.755740s