Time interval
Monitoring time starts from 2014.05.13
Field display
Chinese field display | Chinese definition of field |
---|---|
date | Data collection date |
hour | Data collection time |
City | Data collection city |
AQI | Air quality index |
PM2.5 | 1 hour average of particulate matter (particle size less than or equal to 2.5μm) |
PM2.5_24h | 24-hour sliding average of particulate matter (particle size less than or equal to 2.5 μm) |
PM10 | One-hour average value of particulate matter (particle size less than or equal to 10 μm) |
PM10_24h | 24-hour sliding average of particulate matter (particle size less than or equal to 10 μm) |
SO2 | 1-hour average value of sulfur dioxide |
SO2_24h | 24-hour sliding average of sulfur dioxide |
NO2 | 1-hour average value of nitrogen dioxide |
NO2_24h | 24-hour sliding average of nitrogen dioxide |
O3 | Ozone 1 hour average value |
O3_24h | Ozone daily maximum 1-hour average value |
O3_8h | Ozone 8-hour sliding average |
O3_8h_24h | Ozone daily maximum 8-hour moving average |
CO | One hour average of carbon monoxide |
CO_24h | 24-hour sliding average of carbon monoxide |
Sample data
date | hour | City | AQI | PM2.5 | PM2.5_24h | PM10 | PM10_24h | SO2 | SO2_24h | NO2 | NO2_24h | O3 | O3_24h | O3_8h | O3_8h_24h | CO | CO_24h |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20140513 | 0 | Sanya | 36 | 25 | 19 | 33 | 33 | 2 | 2 | 13 | 14 | 49 | 71 | 52 | 61 | 0.5 | 0.51 |
20140513 | 0 | Sanmenxia | 95 | 48 | 48 | 140 | 117 | 26 | 29 | 37 | 25 | 4 | 134 | 42 | 98 | 1.25 | 1.15 |
20140513 | 0 | Shanghai | 109 | 82 | 83 | 116 | 103 | 18 | 23 | 73 | 56 | 88 | 206 | 123 | 169 | 0.88 | 1.02 |
20140513 | 0 | Dongguan | 99 | 74 | 46 | 127 | 69 | 23 | 16 | 79 | 57 | 7 | 100 | 32 | 74 | 1.61 | 0.93 |
20140513 | 0 | Dongying | 123 | 86 | 49 | 196 | 111 | 167 | 75 | 114 | 38 | 29 | 176 | 96 | 149 | 1.62 | 0.84 |
20140513 | 0 | Zhongshan | 57 | 30 | 63 | 64 | 88 | 8 | 12 | 34 | 38 | 7 | 69 | 33 | 45 | 1.7 | 1.36 |
20140513 | 0 | Lin'an | 114 | 86 | 49 | 155 | 108 | 21 | 12 | 43 | 31 | 59 | 121 | 82 | 102 | 0.84 | 0.83 |
20140513 | 0 | Linfen | 125 | 95 | 72 | 170 | 116 | 50 | 77 | 43 | 37 | 33 | 110 | 61 | 93 | 2.75 | 2.99 |
20140513 | 0 | Linyi | 119 | 73 | 56 | 188 | 148 | 79 | 62 | 104 | 57 | 11 | 94 | 44 | 82 | 1.69 | 1.09 |
20140513 | 0 | Dandong | 106 | 80 | 38 | 125 | 64 | 17 | 19 | 39 | 25 | 92 | 134 | 101 | 123 | 2.04 | 1.44 |
20140513 | 0 | Lishui | 32 | 19 | 16 | 32 | 29 | 5 | 6 | 24 | 28 | 50 | 99 | 64 | 88 | 0.64 | 0.81 |
20140513 | 0 | Yiwu | 73 | 53 | 44 | 86 | 63 | 50 | 22 | 56 | 31 | 27 | 159 | 58 | 144 | 1.11 | 0.87 |
20140513 | 0 | Urumqi | 113 | 41 | 32 | 175 | 131 | 14 | 17 | 85 | 45 | 11 | 69 | 42 | 57 | 1.08 | 0.66 |
20140513 | 0 | Jiujiang | 71 | 44 | 30 | 92 | 67 | 23 | 22 | 34 | 27 | 24 | 69 | 46 | 64 | 0.73 | 0.75 |
20140513 | 0 | Rushan | 69 | 50 | 32 | 54 | 48 | 12 | 18 | 17 | 16 | 89 | 159 | 108 | 151 | 0.95 | 0.85 |
20140513 | 0 | Yunfu | 56 | 39 | 23 | 62 | 33 | 12 | 15 | 18 | 15 | 7 | 19 | 8 | 12 | 2.97 | 2.39 |
20140513 | 0 | Foshan | 88 | 65 | 57 | 120 | 83 | 31 | 31 | 102 | 76 | 8 | 175 | 37 | 65 | 1.85 | 1.47 |
20140513 | 0 | Baoding | 91 | 52 | 34 | 132 | 112 | 40 | 29 | 29 | 27 | 48 | 135 | 94 | 108 | 1.28 | 1.07 |
20140513 | 0 | Karamay | 58 | 24 | 19 | 65 | 54 | 4 | 4 | 5 | 5 | 86 | 111 | 87 | 100 | 0.88 | 1.24 |
20140513 | 0 | Lanzhou | 64 | 37 | 59 | 78 | 119 | 35 | 53 | 50 | 69 | 50 | 148 | 76 | 112 | 1.19 | 1.85 |
20140513 | 0 | Baotou | 140 | 44 | 43 | 229 | 164 | 31 | 55 | 94 | 54 | 15 | 147 | 77 | 133 | 1.31 | 1.14 |
20140513 | 0 | Beijing | 81 | 49 | 35 | 112 | 73 | 18 | 8 | 56 | 45 | 71 | 145 | 105 | 128 | 0.71 | 0.68 |
20140513 | 0 | Beihai | 61 | 41 | 16 | 72 | 48 | 13 | 17 | 11 | 11 | 87 | 154 | 108 | 133 | 1.57 | 1.69 |
20140513 | 0 | Nanjing | 109 | 62 | 67 | 168 | 137 | 16 | 25 | 118 | 63 | 16 | 198 | 80 | 174 | 0.98 | 1.03 |
20140513 | 0 | Nanchong | 141 | 108 | 94 | 148 | 135 | 17 | 26 | 33 | 31 | 40 | 110 | 40 | 56 | 0.94 | 0.83 |
20140513 | 0 | Nanning | 73 | 53 | 35 | 96 | 80 | 9 | 20 | 48 | 40 | 61 | 142 | 97 | 123 | 1.47 | 1.33 |
20140513 | 0 | Nanchang | 92 | 49 | 36 | 133 | 71 | 13 | 21 | 73 | 32 | 15 | 116 | 55 | 105 | 1.47 | 1.04 |
20140513 | 0 | Nantong | 111 | 84 | 92 | 163 | 138 | 63 | 68 | 95 | 74 | 46 | 189 | 86 | 157 | 0.82 | 1.47 |
20140513 | 0 | Jimo | 94 | 70 | 43 | 130 | 79 | 71 | 37 | 98 | 45 | 38 | 140 | 73 | 129 | 0.9 | 0.69 |
20140513 | 0 | Xiamen | 31 | 18 | 19 | 31 | 28 | 19 | 20 | 55 | 49 | 30 | 89 | 48 | 62 | 0.4 | 0.76 |
20140513 | 0 | Jurong | 83 | 61 | 72 | 85 | 65 | 43 | 43 | 47 | 36 | 75 | 255 | 136 | 193 | 0.87 | 1.19 |
20140513 | 0 | Taizhou | 78 | 57 | 49 | 67 | 57 | 8 | 6 | 32 | 33 | 35 | 110 | 55 | 97 | 0.95 | 0.98 |
20140513 | 0 | Hefei | 93 | 62 | 52 | 136 | 105 | 15 | 13 | 45 | 27 | 18 | 66 | 28 | 55 | 1.13 | 0.77 |
20140513 | 0 | Jilin | 32 | 9 | 13 | 16 | 24 | 5 | 6 | 9 | 17 | 103 | 110 | 87 | 103 | 1.06 | 1.16 |
20140513 | 0 | Wujiang | 92 | 66 | 48 | 133 | 87 | 55 | 32 | 62 | 31 | 63 | 146 | 94 | 139 | 1.11 | 0.82 |
20140513 | 0 | Hohhot | 98 | 54 | 38 | 145 | 114 | 58 | 39 | 68 | 53 | 21 | 76 | 43 | 62 | 2.26 | 2.02 |
20140513 | 0 | Xianyang | 83 | 44 | 43 | 115 | 134 | 37 | 40 | 76 | 57 | 30 | 109 | 73 | 88 | 1.15 | 1.16 |
20140513 | 0 | Harbin | 33 | 23 | 25 | 22 | 34 | 8 | 10 | 19 | 38 | 74 | 84 | 65 | 69 | 0.51 | 0.62 |
20140513 | 0 | Tangshan | 82 | 55 | 40 | 113 | 80 | 19 | 16 | 48 | 38 | 80 | 169 | 121 | 149 | 0.67 | 0.79 |
20140513 | 0 | Jiaxing | 139 | 106 | 60 | 153 | 82 | 19 | 27 | 45 | 45 | 80 | 166 | 94 | 140 | 0.98 | 0.96 |
20140513 | 0 | Jiayuguan | 52 | 12 | 24 | 53 | 97 | 33 | 47 | 28 | 29 | 120 | 171 | 146 | 162 | 1.1 | 0.9 |
20140513 | 0 | Datong | 97 | 56 | 38 | 143 | 101 | 26 | 36 | 60 | 36 | 41 | 86 | 58 | 80 | 1.36 | 2.22 |
20140513 | 0 | Daqing | 30 | 21 | 29 | 23 | 38 | 9 | 9 | 10 | 16 | 80 | 83 | 70 | 74 | 0.37 | 0.4 |
20140513 | 0 | Dalian | 50 | 30 | 37 | 50 | 55 | 8 | 7 | 36 | 39 | 86 | 108 | 83 | 95 | 0.72 | 0.9 |
20140513 | 0 | Tianjin | 69 | 44 | 43 | 87 | 76 | 23 | 24 | 53 | 40 | 51 | 125 | 85 | 105 | 1.03 | 1.39 |
20140513 | 0 | Taicang | 106 | 80 | 80 | 114 | 108 | 39 | 61 | 46 | 33 | 119 | 153 | 129 | 139 | 1.21 | 1.32 |
20140513 | 0 | Taiyuan | 155 | 102 | 63 | 260 | 155 | 61 | 59 | 116 | 62 | 10 | 111 | 62 | 98 | 1.61 | 1.18 |
20140513 | 0 | Weihai | 51 | 27 | 31 | 51 | 57 | 20 | 27 | 17 | 28 | 124 | 177 | 109 | 135 | 0.5 | 0.66 |
20140513 | 0 | Ningbo | 58 | 41 | 46 | 66 | 62 | 18 | 37 | 60 | 38 | 68 | 297 | 111 | 163 | 1.04 | 1.23 |
20140513 | 0 | Anyang | 81 | 50 | 64 | 111 | 122 | 66 | 32 | 78 | 58 | 51 | 144 | 103 | 134 | 0.9 | 1.2 |
Data update frequency
Annual Update