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 : 2025-11-05 04:01:14 HTTP/2.0 GET : https://m.tianqibao.com/aqi/nankangqu.html
- 运行时间 : 0.242833s [ 吞吐率:4.12req/s ] 内存消耗:6,512.27kb 文件加载:241
- 查询信息 : 34 queries
- 缓存信息 : 17 reads,8 writes
- 会话信息 : SESSION_ID=e4fc24dfa8484c974724d1c9a796c807
- CONNECT:[ UseTime:0.001153s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.002724s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002646s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'nankangqu' LIMIT 1 [ RunTime:0.002652s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1835 LIMIT 1 [ RunTime:0.002688s ]
- SELECT * FROM `sa_area` WHERE `pid` = 208 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.003440s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1834 LIMIT 1 [ RunTime:0.001695s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1835 LIMIT 1 [ RunTime:0.002467s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1836 LIMIT 1 [ RunTime:0.001521s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1837 LIMIT 1 [ RunTime:0.002418s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1838 LIMIT 1 [ RunTime:0.001662s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1839 LIMIT 1 [ RunTime:0.002040s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1840 LIMIT 1 [ RunTime:0.001482s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1841 LIMIT 1 [ RunTime:0.001982s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1842 LIMIT 1 [ RunTime:0.002223s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1843 LIMIT 1 [ RunTime:0.002354s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1844 LIMIT 1 [ RunTime:0.001297s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1845 LIMIT 1 [ RunTime:0.002284s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1846 LIMIT 1 [ RunTime:0.002854s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1847 LIMIT 1 [ RunTime:0.003600s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1848 LIMIT 1 [ RunTime:0.001555s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002667s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 1835 LIMIT 1 [ RunTime:0.005354s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.008392s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 17 LIMIT 1 [ RunTime:0.005987s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.005859s ]
- SELECT * FROM `sa_area` WHERE `id` IN (528,524,523,522,521,513,327,312,311,287) [ RunTime:0.001779s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.006305s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,419,134,99,95,449,450,125,414,418) [ RunTime:0.002132s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.010339s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,441,358,363,365,366,296,304,291,342) [ RunTime:0.003546s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.007368s ]
- SELECT * FROM `sa_area` WHERE `id` IN (115,511,129,464,188,76,70,231,239,227) [ RunTime:0.002154s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.003192s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001930s ]

0.257031s