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 04:32:14 HTTP/2.0 GET : https://m.tianqibao.com/aqi/dongying.html
- 运行时间 : 0.555306s [ 吞吐率:1.80req/s ] 内存消耗:6,546.88kb 文件加载:241
- 查询信息 : 30 queries
- 缓存信息 : 17 reads,4 writes
- 会话信息 : SESSION_ID=b07709b4145d4dca42ccdf3a1e8c41c8
- CONNECT:[ UseTime:0.016397s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.017519s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002920s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'dongying' LIMIT 1 [ RunTime:0.003828s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 217 LIMIT 1 [ RunTime:0.004927s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 213 LIMIT 1 [ RunTime:0.002520s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 214 LIMIT 1 [ RunTime:0.001805s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 215 LIMIT 1 [ RunTime:0.002928s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 216 LIMIT 1 [ RunTime:0.002204s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 217 LIMIT 1 [ RunTime:0.000927s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 218 LIMIT 1 [ RunTime:0.003660s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 219 LIMIT 1 [ RunTime:0.001131s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 220 LIMIT 1 [ RunTime:0.001836s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 221 LIMIT 1 [ RunTime:0.000469s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 222 LIMIT 1 [ RunTime:0.001239s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 223 LIMIT 1 [ RunTime:0.000759s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 224 LIMIT 1 [ RunTime:0.000579s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 225 LIMIT 1 [ RunTime:0.002404s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 226 LIMIT 1 [ RunTime:0.001231s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 227 LIMIT 1 [ RunTime:0.000726s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002896s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 217 LIMIT 1 [ RunTime:0.002453s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.024109s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 63 LIMIT 1 [ RunTime:0.104819s ]
- SELECT * FROM `sa_area` WHERE `id` IN (324,311,327,325,323,313,468,369,328,321) [ RunTime:0.003221s ]
- SELECT * FROM `sa_area` WHERE `id` IN (418,449,95,419,446,450,136,132,385,448) [ RunTime:0.006299s ]
- SELECT * FROM `sa_area` WHERE `id` IN (97,99,95,366,342,358,359,363,468,365) [ RunTime:0.021156s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.009893s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,464,466,465,463,476,102,467,376,371) [ RunTime:0.008070s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.009383s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.010025s ]

0.596971s