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 : 2026-02-07 02:36:19 HTTP/2.0 GET : https://m.tianqibao.com/aqi/jixi.html
- 运行时间 : 0.062944s [ 吞吐率:15.89req/s ] 内存消耗:6,533.52kb 文件加载:241
- 查询信息 : 27 queries
- 缓存信息 : 17 reads,3 writes
- 会话信息 : SESSION_ID=a7f44a054eab246e60b3dd879944bf67
- CONNECT:[ UseTime:0.000438s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000636s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000935s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'jixi' LIMIT 1 [ RunTime:0.000499s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 126 LIMIT 1 [ RunTime:0.000282s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 124 LIMIT 1 [ RunTime:0.000377s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 125 LIMIT 1 [ RunTime:0.000286s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 126 LIMIT 1 [ RunTime:0.000501s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 127 LIMIT 1 [ RunTime:0.000367s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 128 LIMIT 1 [ RunTime:0.000261s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 129 LIMIT 1 [ RunTime:0.000286s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 130 LIMIT 1 [ RunTime:0.000256s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 131 LIMIT 1 [ RunTime:0.000247s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 132 LIMIT 1 [ RunTime:0.000273s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 133 LIMIT 1 [ RunTime:0.000257s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 134 LIMIT 1 [ RunTime:0.000275s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 135 LIMIT 1 [ RunTime:0.000432s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 136 LIMIT 1 [ RunTime:0.000397s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001001s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 126 LIMIT 1 [ RunTime:0.000404s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.003521s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 28 LIMIT 1 [ RunTime:0.007594s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,325,327,324,317,314,313,311,328,326) [ RunTime:0.000405s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,120,99,130,119,124,127,131,104,135) [ RunTime:0.000455s ]
- SELECT * FROM `sa_area` WHERE `id` IN (405,442,449,451,396,448,358,359,363,366) [ RunTime:0.000679s ]
- SELECT * FROM `sa_area` WHERE `id` IN (460,467,263,464,269,267,273,466,268,265) [ RunTime:0.000404s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000608s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000356s ]

0.068902s