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 : 2026-05-16 21:12:25 HTTP/2.0 GET : https://m.tianqibao.com/aqi/xinyexian.html
- 运行时间 : 1.636622s [ 吞吐率:0.61req/s ] 内存消耗:6,546.80kb 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=9086adaa07a6a67718aff58252befa83
- CONNECT:[ UseTime:0.016545s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.036727s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001987s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'xinyexian' LIMIT 1 [ RunTime:0.009953s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2180 LIMIT 1 [ RunTime:0.000802s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2170 LIMIT 1 [ RunTime:0.000574s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2171 LIMIT 1 [ RunTime:0.000636s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2172 LIMIT 1 [ RunTime:0.000998s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2173 LIMIT 1 [ RunTime:0.000430s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2174 LIMIT 1 [ RunTime:0.000369s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2175 LIMIT 1 [ RunTime:0.003165s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2176 LIMIT 1 [ RunTime:0.001139s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2177 LIMIT 1 [ RunTime:0.000445s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2178 LIMIT 1 [ RunTime:0.000448s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2179 LIMIT 1 [ RunTime:0.000867s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2180 LIMIT 1 [ RunTime:0.000368s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2181 LIMIT 1 [ RunTime:0.000316s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2182 LIMIT 1 [ RunTime:0.000297s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2183 LIMIT 1 [ RunTime:0.000477s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2184 LIMIT 1 [ RunTime:0.000617s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.009644s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 2180 LIMIT 1 [ RunTime:0.013987s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:1.414689s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 30 LIMIT 1 [ RunTime:0.039024s ]
- SELECT * FROM `sa_area` WHERE `id` IN (406,324,311,369,318,305,387,325,309,252) [ RunTime:0.002371s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,418,446,450,449,443,412,130,451,470) [ RunTime:0.000435s ]
- SELECT * FROM `sa_area` WHERE `id` IN (410,412,414,468,478,396,366,95,358,359) [ RunTime:0.001108s ]
- SELECT * FROM `sa_area` WHERE `id` IN (463,476,464,438,466,465,431,467,234,235) [ RunTime:0.000522s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001067s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000512s ]

1.643186s