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 : 2026-04-01 14:19:04 HTTP/2.0 GET : https://m.tianqibao.com/aqi/bozhou.html
- 运行时间 : 0.284811s [ 吞吐率:3.51req/s ] 内存消耗:6,660.90kb 文件加载:241
- 查询信息 : 30 queries
- 缓存信息 : 18 reads,4 writes
- 会话信息 : SESSION_ID=afc2ca00a94c0442fc5906b850b51ff6
- CONNECT:[ UseTime:0.013244s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.015582s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002329s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'bozhou' LIMIT 1 [ RunTime:0.003161s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 190 LIMIT 1 [ RunTime:0.002387s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 177 LIMIT 1 [ RunTime:0.001676s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 178 LIMIT 1 [ RunTime:0.000652s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 179 LIMIT 1 [ RunTime:0.000665s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 180 LIMIT 1 [ RunTime:0.001076s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 181 LIMIT 1 [ RunTime:0.000430s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 182 LIMIT 1 [ RunTime:0.000930s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 183 LIMIT 1 [ RunTime:0.001052s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 184 LIMIT 1 [ RunTime:0.000767s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 185 LIMIT 1 [ RunTime:0.000548s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 186 LIMIT 1 [ RunTime:0.000384s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 187 LIMIT 1 [ RunTime:0.000514s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 188 LIMIT 1 [ RunTime:0.000632s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 189 LIMIT 1 [ RunTime:0.000413s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 190 LIMIT 1 [ RunTime:0.000627s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 191 LIMIT 1 [ RunTime:0.000540s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000854s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 190 LIMIT 1 [ RunTime:0.007351s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 62 LIMIT 1 [ RunTime:0.026706s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,324,323,328,325,321,320,406,327,319) [ RunTime:0.004667s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.007092s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,134,95,109,127,133,418,419,99,104) [ RunTime:0.000777s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.012921s ]
- SELECT * FROM `sa_area` WHERE `id` IN (97,259,360,361,414,362,396,359,366,363) [ RunTime:0.000547s ]
- SELECT * FROM `sa_area` WHERE `id` IN (128,466,161,467,159,105,464,126,465,463) [ RunTime:0.000374s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002570s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001177s ]

0.291463s