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 : 2026-05-26 05:17:50 HTTP/2.0 GET : https://m.tianqibao.com/aqi/qlsgy.html
- 运行时间 : 1.644655s [ 吞吐率:0.61req/s ] 内存消耗:6,518.34kb 文件加载:241
- 查询信息 : 25 queries
- 缓存信息 : 17 reads,4 writes
- 会话信息 : SESSION_ID=6c3b3b18fd3927a2b9af25f877ede508
- CONNECT:[ UseTime:0.001173s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.003900s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002793s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'qlsgy' LIMIT 1 [ RunTime:0.004835s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 5123 LIMIT 1 [ RunTime:0.001102s ]
- SELECT * FROM `sa_area` WHERE `pid` = 388 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.014843s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2896 LIMIT 1 [ RunTime:0.000588s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2897 LIMIT 1 [ RunTime:0.000283s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2898 LIMIT 1 [ RunTime:0.000465s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2899 LIMIT 1 [ RunTime:0.000246s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2900 LIMIT 1 [ RunTime:0.000481s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2901 LIMIT 1 [ RunTime:0.000386s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2902 LIMIT 1 [ RunTime:0.000715s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2903 LIMIT 1 [ RunTime:0.000279s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2904 LIMIT 1 [ RunTime:0.000251s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2905 LIMIT 1 [ RunTime:0.000264s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001348s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 5123 LIMIT 1 [ RunTime:0.003244s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:1.445410s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 30 LIMIT 1 [ RunTime:0.016687s ]
- SELECT * FROM `sa_area` WHERE `id` IN (369,321,320,305,324,322,319,313,310,309) [ RunTime:0.000787s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,136,446,451,412,418,443,449,450,385) [ RunTime:0.001478s ]
- SELECT * FROM `sa_area` WHERE `id` IN (98,187,414,418,95,329,342,358,359,363) [ RunTime:0.000522s ]
- SELECT * FROM `sa_area` WHERE `id` IN (476,463,464,467,451,163,453,162,459,479) [ RunTime:0.000976s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001721s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000934s ]

1.651507s