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 : 2026-05-15 19:32:13 HTTP/2.0 GET : https://m.tianqibao.com/aqi/xiantao.html
- 运行时间 : 4.155003s [ 吞吐率:0.24req/s ] 内存消耗:6,652.27kb 文件加载:241
- 查询信息 : 31 queries
- 缓存信息 : 17 reads,5 writes
- 会话信息 : SESSION_ID=95a8ad9e1fa2a7170350cfc9ef0e5077
- CONNECT:[ UseTime:0.031624s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.089019s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.017463s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'xiantao' LIMIT 1 [ RunTime:0.029787s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2331 LIMIT 1 [ RunTime:0.009321s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 247 LIMIT 1 [ RunTime:0.030762s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 248 LIMIT 1 [ RunTime:0.001045s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 249 LIMIT 1 [ RunTime:0.000245s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 250 LIMIT 1 [ RunTime:0.000248s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 251 LIMIT 1 [ RunTime:0.000237s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 252 LIMIT 1 [ RunTime:0.000252s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 253 LIMIT 1 [ RunTime:0.000282s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 254 LIMIT 1 [ RunTime:0.000261s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 255 LIMIT 1 [ RunTime:0.000272s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 256 LIMIT 1 [ RunTime:0.000260s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 257 LIMIT 1 [ RunTime:0.000262s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 258 LIMIT 1 [ RunTime:0.000247s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 259 LIMIT 1 [ RunTime:0.000265s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2331 LIMIT 1 [ RunTime:0.000295s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2332 LIMIT 1 [ RunTime:0.000554s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.022345s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 2331 LIMIT 1 [ RunTime:0.058851s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.082840s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 29 LIMIT 1 [ RunTime:0.060029s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.845500s ]
- SELECT * FROM `sa_area` WHERE `id` IN (324,323,309,322,321,318,313,296,406,327) [ RunTime:0.033885s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.399599s ]
- SELECT * FROM `sa_area` WHERE `id` IN (418,95,446,419,449,450,130,385,412,443) [ RunTime:0.010404s ]
- SELECT * FROM `sa_area` WHERE `id` IN (97,415,450,396,468,359,366,358,363,95) [ RunTime:0.006747s ]
- SELECT * FROM `sa_area` WHERE `id` IN (464,454,427,466,465,425,436,452,467,439) [ RunTime:0.001704s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.031236s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.010118s ]

4.185051s