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 : 2026-05-16 16:18:26 HTTP/2.0 GET : https://m.tianqibao.com/aqi/kuanchengqu.html
- 运行时间 : 0.060853s [ 吞吐率:16.43req/s ] 内存消耗:6,665.93kb 文件加载:241
- 查询信息 : 31 queries
- 缓存信息 : 17 reads,5 writes
- 会话信息 : SESSION_ID=8461afb580c98b49b9c8c4a0f81493ad
- CONNECT:[ UseTime:0.000615s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000768s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000653s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'kuanchengqu' LIMIT 1 [ RunTime:0.000385s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1208 LIMIT 1 [ RunTime:0.000421s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1207 LIMIT 1 [ RunTime:0.000603s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1208 LIMIT 1 [ RunTime:0.000302s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1209 LIMIT 1 [ RunTime:0.000242s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1210 LIMIT 1 [ RunTime:0.000255s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1211 LIMIT 1 [ RunTime:0.000266s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1212 LIMIT 1 [ RunTime:0.000450s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1213 LIMIT 1 [ RunTime:0.000745s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1214 LIMIT 1 [ RunTime:0.000261s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1215 LIMIT 1 [ RunTime:0.000239s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1216 LIMIT 1 [ RunTime:0.000241s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1217 LIMIT 1 [ RunTime:0.000228s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1218 LIMIT 1 [ RunTime:0.000225s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1219 LIMIT 1 [ RunTime:0.000236s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1220 LIMIT 1 [ RunTime:0.000232s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1221 LIMIT 1 [ RunTime:0.000225s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000500s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 1208 LIMIT 1 [ RunTime:0.000382s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.003451s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 41 LIMIT 1 [ RunTime:0.003434s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,406,369,325,324,318,312,311,305,328) [ RunTime:0.000380s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.001610s ]
- SELECT * FROM `sa_area` WHERE `id` IN (418,419,449,450,446,451,95,136,385,412) [ RunTime:0.000336s ]
- SELECT * FROM `sa_area` WHERE `id` IN (364,412,359,366,95,358,363,342,408,312) [ RunTime:0.000345s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.001398s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,466,464,467,465,424,463,376,451,476) [ RunTime:0.000368s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000529s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000288s ]

0.066551s