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 : 2026-06-27 20:38:20 HTTP/2.0 GET : https://m.tianqibao.com/aqi/fuchuntaoyuan.html
- 运行时间 : 0.221813s [ 吞吐率:4.51req/s ] 内存消耗:6,660.10kb 文件加载:241
- 查询信息 : 28 queries
- 缓存信息 : 17 reads,4 writes
- 会话信息 : SESSION_ID=8b61446b5c929f55ef6fadaab8f209d8
- CONNECT:[ UseTime:0.002170s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.011384s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.006666s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.004317s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'fuchuntaoyuan' LIMIT 1 [ RunTime:0.002108s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 4551 LIMIT 1 [ RunTime:0.001422s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1506 LIMIT 1 [ RunTime:0.001598s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1507 LIMIT 1 [ RunTime:0.001023s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1508 LIMIT 1 [ RunTime:0.001728s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1509 LIMIT 1 [ RunTime:0.002323s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1510 LIMIT 1 [ RunTime:0.001479s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1511 LIMIT 1 [ RunTime:0.001650s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1512 LIMIT 1 [ RunTime:0.002361s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1513 LIMIT 1 [ RunTime:0.002677s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1514 LIMIT 1 [ RunTime:0.001669s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1515 LIMIT 1 [ RunTime:0.001632s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1516 LIMIT 1 [ RunTime:0.001527s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1517 LIMIT 1 [ RunTime:0.000987s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1518 LIMIT 1 [ RunTime:0.003115s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.005351s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 4551 LIMIT 1 [ RunTime:0.001090s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.004915s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 48 LIMIT 1 [ RunTime:0.014396s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,458,471,462,67,473,461,324,320,319) [ RunTime:0.002417s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,136,418,446,443,450,95,130,414,449) [ RunTime:0.002847s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,396,95,468,407,123,366,410,412,342) [ RunTime:0.007257s ]
- SELECT * FROM `sa_area` WHERE `id` IN (241,476,463,251,371,232,189,84,465,466) [ RunTime:0.007580s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.012343s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.002175s ]

0.229730s