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 : 2025-11-05 03:52:17 HTTP/2.0 GET : https://m.tianqibao.com/aqi/shangzhi.html
- 运行时间 : 5.291422s [ 吞吐率:0.19req/s ] 内存消耗:6,519.75kb 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=414330c116634945f6b9b6186fe4cdb1
- CONNECT:[ UseTime:0.000990s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.033722s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.005029s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'shangzhi' LIMIT 1 [ RunTime:0.005523s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1292 LIMIT 1 [ RunTime:0.001892s ]
- SELECT * FROM `sa_area` WHERE `pid` = 124 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.007071s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1276 LIMIT 1 [ RunTime:0.004111s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1277 LIMIT 1 [ RunTime:0.001406s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1278 LIMIT 1 [ RunTime:0.001445s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1279 LIMIT 1 [ RunTime:0.002047s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1280 LIMIT 1 [ RunTime:0.000998s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1281 LIMIT 1 [ RunTime:0.001997s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1282 LIMIT 1 [ RunTime:0.001594s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1283 LIMIT 1 [ RunTime:0.001820s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1284 LIMIT 1 [ RunTime:0.001760s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1285 LIMIT 1 [ RunTime:0.001190s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1286 LIMIT 1 [ RunTime:0.001518s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1287 LIMIT 1 [ RunTime:0.001387s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1288 LIMIT 1 [ RunTime:0.000786s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1289 LIMIT 1 [ RunTime:0.001316s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1290 LIMIT 1 [ RunTime:0.001753s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.009794s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 1292 LIMIT 1 [ RunTime:0.002786s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:4.353669s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 175 LIMIT 1 [ RunTime:0.047089s ]
- SELECT * FROM `sa_area` WHERE `id` IN (528,524,523,522,521,513,327,312,311,287) [ RunTime:0.002423s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,419,134,99,95,449,450,125,414,418) [ RunTime:0.001174s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,441,358,363,365,366,296,304,291,342) [ RunTime:0.020676s ]
- SELECT * FROM `sa_area` WHERE `id` IN (115,511,129,464,188,76,70,231,239,227) [ RunTime:0.003020s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.004630s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.022794s ]

5.308560s