中国环境保护部实时发布
唐山抗震纪念馆空气质量指数
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?
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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 : 2026-06-30 02:46:05 HTTP/2.0 GET : https://m.tianqibao.com/aqi/tskzjng.html
- 运行时间 : 0.076623s [ 吞吐率:13.05req/s ] 内存消耗:6,664.59kb 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=40f1cacb74cbfe6c72da56454c76776e
- CONNECT:[ UseTime:0.000656s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.001027s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001223s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'tskzjng' LIMIT 1 [ RunTime:0.000818s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 4717 LIMIT 1 [ RunTime:0.000660s ]
- SELECT * FROM `sa_area` WHERE `pid` = 68 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.001006s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 712 LIMIT 1 [ RunTime:0.000570s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 713 LIMIT 1 [ RunTime:0.000566s ]
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- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 726 LIMIT 1 [ RunTime:0.000540s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001006s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 4717 LIMIT 1 [ RunTime:0.003928s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.003715s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 83 LIMIT 1 [ RunTime:0.001460s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,458,471,462,67,473,461,324,320,319) [ RunTime:0.000746s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,136,418,446,443,450,95,130,414,449) [ RunTime:0.000738s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,396,95,468,407,123,366,410,412,342) [ RunTime:0.000907s ]
- SELECT * FROM `sa_area` WHERE `id` IN (241,476,463,251,371,232,189,84,465,466) [ RunTime:0.000969s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002019s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000757s ]

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