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 : 2025-12-07 18:12:20 HTTP/2.0 GET : https://m.tianqibao.com/aqi/mugecuo.html
- 运行时间 : 0.226321s [ 吞吐率:4.42req/s ] 内存消耗:6,614.41kb 文件加载:241
- 查询信息 : 33 queries
- 缓存信息 : 17 reads,7 writes
- 会话信息 : SESSION_ID=b7c7cf35d72ffb1122916de57e6a1bc3
- CONNECT:[ UseTime:0.000674s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.001217s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001486s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'mugecuo' LIMIT 1 [ RunTime:0.001350s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3587 LIMIT 1 [ RunTime:0.000913s ]
- SELECT * FROM `sa_area` WHERE `pid` = 386 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.014311s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2861 LIMIT 1 [ RunTime:0.001457s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2862 LIMIT 1 [ RunTime:0.002405s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2863 LIMIT 1 [ RunTime:0.001412s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2864 LIMIT 1 [ RunTime:0.001608s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2865 LIMIT 1 [ RunTime:0.001650s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2866 LIMIT 1 [ RunTime:0.002084s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2867 LIMIT 1 [ RunTime:0.001433s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2868 LIMIT 1 [ RunTime:0.002053s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2869 LIMIT 1 [ RunTime:0.001219s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2870 LIMIT 1 [ RunTime:0.001353s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2871 LIMIT 1 [ RunTime:0.001568s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2872 LIMIT 1 [ RunTime:0.001333s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2873 LIMIT 1 [ RunTime:0.001125s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2874 LIMIT 1 [ RunTime:0.002235s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2875 LIMIT 1 [ RunTime:0.001193s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002512s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 3587 LIMIT 1 [ RunTime:0.003991s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.006359s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 69 LIMIT 1 [ RunTime:0.012016s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,327,325,324,312,311,326,321,317,314) [ RunTime:0.001371s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.008118s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,95,127,134,446,99,130,79,131,97) [ RunTime:0.001912s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.009757s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,358,365,363,416,366,342,441,359,445) [ RunTime:0.002268s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.006883s ]
- SELECT * FROM `sa_area` WHERE `id` IN (518,514,466,240,221,104,83,227,220,224) [ RunTime:0.001356s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.003794s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.002283s ]

0.237336s