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 : 2026-05-01 23:17:46 HTTP/2.0 GET : https://m.tianqibao.com/aqi/yichun.html
- 运行时间 : 5.037364s [ 吞吐率:0.20req/s ] 内存消耗:6,527.48kb 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=1901f2e66204614c94075f7ec8d92a82
- CONNECT:[ UseTime:0.006231s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.010107s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002423s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.002516s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'yichun' LIMIT 1 [ RunTime:0.002046s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 130 LIMIT 1 [ RunTime:0.000634s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 124 LIMIT 1 [ RunTime:0.025046s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 125 LIMIT 1 [ RunTime:0.014421s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 126 LIMIT 1 [ RunTime:0.005705s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 127 LIMIT 1 [ RunTime:0.002102s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 128 LIMIT 1 [ RunTime:0.015241s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 129 LIMIT 1 [ RunTime:0.004118s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 130 LIMIT 1 [ RunTime:0.005053s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 131 LIMIT 1 [ RunTime:0.001428s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 132 LIMIT 1 [ RunTime:0.029673s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 133 LIMIT 1 [ RunTime:0.002709s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 134 LIMIT 1 [ RunTime:0.001962s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 135 LIMIT 1 [ RunTime:0.001884s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 136 LIMIT 1 [ RunTime:0.004138s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.011795s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 130 LIMIT 1 [ RunTime:0.053307s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:4.615795s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 33 LIMIT 1 [ RunTime:0.014623s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,324,312,323,311,322,321,313,71,479) [ RunTime:0.001016s ]
- SELECT * FROM `sa_area` WHERE `id` IN (449,446,418,95,451,450,385,419,443,448) [ RunTime:0.002040s ]
- SELECT * FROM `sa_area` WHERE `id` IN (396,95,366,342,358,359,363,389,312,313) [ RunTime:0.000891s ]
- SELECT * FROM `sa_area` WHERE `id` IN (466,465,464,467,454,431,456,72,453,222) [ RunTime:0.001182s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001582s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000997s ]

5.047297s