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/quwoxian.html
- 运行时间 : 0.075638s [ 吞吐率:13.22req/s ] 内存消耗:6,672.98kb 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:0.000392s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000719s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000656s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.001001s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.000822s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'quwoxian' LIMIT 1 [ RunTime:0.000537s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 970 LIMIT 1 [ RunTime:0.000413s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 969 LIMIT 1 [ RunTime:0.000387s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 970 LIMIT 1 [ RunTime:0.000386s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 971 LIMIT 1 [ RunTime:0.000289s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 972 LIMIT 1 [ RunTime:0.000410s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 973 LIMIT 1 [ RunTime:0.000291s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 974 LIMIT 1 [ RunTime:0.000392s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 975 LIMIT 1 [ RunTime:0.000418s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 976 LIMIT 1 [ RunTime:0.000280s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 977 LIMIT 1 [ RunTime:0.000437s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 978 LIMIT 1 [ RunTime:0.000375s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 979 LIMIT 1 [ RunTime:0.000317s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 980 LIMIT 1 [ RunTime:0.000370s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 981 LIMIT 1 [ RunTime:0.000411s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 982 LIMIT 1 [ RunTime:0.000589s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 983 LIMIT 1 [ RunTime:0.000522s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000901s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 970 LIMIT 1 [ RunTime:0.000508s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.004689s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 37 LIMIT 1 [ RunTime:0.006197s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,406,369,325,324,318,312,311,305,328) [ RunTime:0.000400s ]
- SELECT * FROM `sa_area` WHERE `id` IN (418,419,449,450,446,451,95,136,385,412) [ RunTime:0.000560s ]
- SELECT * FROM `sa_area` WHERE `id` IN (364,412,359,366,95,358,363,342,408,312) [ RunTime:0.000632s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,466,464,467,465,424,463,376,451,476) [ RunTime:0.000504s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000709s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000447s ]

0.082934s