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 : 2025-12-25 02:16:59 HTTP/2.0 GET : https://m.tianqibao.com/aqi/shangrao.html
- 运行时间 : 3.627919s [ 吞吐率:0.28req/s ] 内存消耗:6,505.76kb 文件加载:241
- 查询信息 : 28 queries
- 缓存信息 : 17 reads,6 writes
- 会话信息 : SESSION_ID=600206e1b30c3d5bfb95cd277a4dd890
- CONNECT:[ UseTime:0.007466s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.009753s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002525s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'shangrao' LIMIT 1 [ RunTime:0.004605s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 212 LIMIT 1 [ RunTime:0.003455s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 202 LIMIT 1 [ RunTime:0.007208s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 203 LIMIT 1 [ RunTime:0.003292s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 204 LIMIT 1 [ RunTime:0.005930s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 205 LIMIT 1 [ RunTime:0.004500s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 206 LIMIT 1 [ RunTime:0.004779s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 207 LIMIT 1 [ RunTime:0.003549s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 208 LIMIT 1 [ RunTime:0.005011s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 209 LIMIT 1 [ RunTime:0.005051s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 210 LIMIT 1 [ RunTime:0.002942s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 211 LIMIT 1 [ RunTime:0.003101s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 212 LIMIT 1 [ RunTime:0.002039s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.007288s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 212 LIMIT 1 [ RunTime:0.017171s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:2.614815s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 14 LIMIT 1 [ RunTime:0.403386s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.029719s ]
- SELECT * FROM `sa_area` WHERE `id` IN (311,408,327,325,312,326,315,314,318,317) [ RunTime:0.003767s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.008224s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,95,130,127,118,125,117,124,131,134) [ RunTime:0.002772s ]
- SELECT * FROM `sa_area` WHERE `id` IN (123,296,304,308,361,306,307,203,208,212) [ RunTime:0.001693s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.071576s ]
- SELECT * FROM `sa_area` WHERE `id` IN (112,474,235,110,115,238,163,151,233,150) [ RunTime:0.005042s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.021107s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001411s ]

3.638989s