Unhealthy for Sensitive Groups
Primary Pollutant: PM2.5
| O3 | 18 µg/m3 (8) |
| PM2.5 | 50 µg/m3 (137) |
| PM10 | 81 µg/m3 (64) |
| CO | 707 µg/m3 (7) |
| NO2 | 35 µg/m3 (17) |
| SO2 | 8 µg/m3 (4) |
Source: CAMS, Vaisala Xweather
| Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
|---|---|---|---|---|---|---|---|---|
| Cheonan | 159 |
PM2.5 | 71 (159) | 108 (77) | 44 (22) | 6.468 (3) | 1363 (13) | 7.598 (4) |
| Chinch'on | 500 |
NO2 | 9999 (400) | 9999 (500) | 18798120 (500) | 19598040 (null) | n/a | 26197380 (300) |
| Cheongju-Si | 400 |
PM2.5 | 9999 (400) | 115 (80) | 68 (34) | 13 (6) | 1191 (12) | 7.336 (4) |
| Koesan | 160 |
PM2.5 | 73 (160) | 88 (67) | 15 (7) | 12 (6) | 767 (7) | 4.978 (3) |
| Gongju | 153 |
PM2.5 | 59 (153) | 92 (69) | 19 (10) | 27 (12) | 607 (6) | 8.384 (4) |
| Daejeon | 127 |
PM2.5 | 46 (127) | 64 (55) | 59 (29) | 6.664 (3) | 1088 (11) | 6.026 (3) |
| Jeonju | 500 |
PM10 | 67 (157) | 9999 (500) | 42 (21) | 6.076 (3) | 939 (9) | 6.812 (4) |
| Wanju | 500 |
PM10 | 49 (134) | 9999 (500) | 69 (34) | 11 (5) | 1179 (11) | 6.812 (4) |
| Hwaseong-Si | 152 |
PM2.5 | 57 (152) | 97 (72) | 40 (20) | 12 (5) | 687 (7) | 7.336 (4) |
| Jinan-Gun | 152 |
PM2.5 | 57 (152) | 73 (60) | 33 (16) | 8.036 (4) | 756 (7) | 4.978 (3) |
Source: Unknown Governmental Organization
| Hour |
| AQI |
| Primary |
| Wind Dir |
| Wind Speed ( mph kmh) |
| Temp (°F°C) |
| Tuesday, Jan 21 | Wednesday, Jan 22 | Thursday, Jan 23 | Friday, Jan 24 | Saturday, Jan 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am |
| 145 | 146 | 146 | 145 | 93 | 136 | 140 | 89 | 155 | 120 | 127 | 123 | 126 | 127 | 114 | 104 | 109 | 108 | 104 | 104 | 109 | 112 | 105 | 108 | 107 | 106 | 125 | 110 | 90 | 85 | 86 | 85 | 96 | 113 | 115 | 124 | 125 | 130 | 157 | 158 | 157 | 159 | 158 | 157 | 160 | 158 | 156 | 138 | 138 | 131 | 88 | 80 | 74 | 78 | 77 | 79 | 86 | 94 | 102 | 134 | 135 | 138 | 140 | 141 | 143 | 145 | 146 | 147 | 148 | 101 | 111 | 113 | 99 | 80 | 72 | 66 | 63 | 62 | 65 | 80 | 91 | 99 | 104 | 111 | 115 | 121 | 123 | 124 | 123 | 120 | 117 | 114 | 113 | 115 | 123 | 120 |
| PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 |
| SSW | SW | W | W | WNW | WNW | WNW | WNW | W | W | W | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | W | W | W | W | W | W | W | WNW | WNW | WNW | W | W | WSW | WSW | W | W | W | WNW | WNW | NNW | N | NNE | NNE | NNE | NE | NNE | N | N | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | N | NNE | NNE | NNE | NE | NE | NE | NE | NNE | NNE | NNE | N | N | N | N | NNW | NNW | NNW | NNW | N | N | N | N | NNE | NNE | NE | NNE | NE | NE | NE | NE | NE | NE |
| 1 2 | 1 2 | 2 3 | 4 6 | 5 8 | 5 9 | 5 8 | 4 6 | 4 7 | 4 6 | 3 5 | 3 5 | 4 6 | 5 8 | 5 8 | 5 7 | 4 6 | 5 8 | 5 8 | 6 9 | 5 9 | 5 9 | 6 9 | 5 9 | 5 8 | 6 10 | 6 9 | 6 10 | 7 11 | 7 12 | 7 11 | 5 8 | 4 7 | 4 6 | 3 5 | 3 4 | 2 3 | 1 1 | 1 1 | 1 1 | 1 1 | 0 1 | 1 1 | 1 1 | 1 1 | 1 1 | 1 1 | 1 2 | 1 2 | 2 3 | 2 2 | 2 3 | 2 3 | 3 4 | 3 6 | 4 7 | 5 7 | 4 7 | 4 6 | 3 5 | 3 5 | 3 5 | 3 4 | 2 4 | 2 4 | 2 3 | 2 4 | 3 4 | 3 5 | 3 5 | 3 6 | 4 6 | 3 5 | 4 6 | 4 7 | 4 7 | 5 8 | 6 9 | 6 10 | 5 9 | 4 7 | 4 6 | 3 5 | 3 4 | 2 3 | 2 4 | 3 5 | 2 3 | 3 4 | 3 4 | 3 4 | 2 4 | 3 4 | 3 4 | 3 5 | 3 4 |
| 37 2.9 | 42 5.5 | 46 8 | 48 8.8 | 49 9.6 | 51 10.4 | 48 8.7 | 45 7 | 42 5.3 | 39 4.1 | 37 2.9 | 35 1.7 | 34 1.1 | 33 0.5 | 32 -0.1 | 32 -0.1 | 32 -0.2 | 32 -0.3 | 32 -0.2 | 32 -0.1 | 32 0 | 33 0.5 | 34 0.9 | 34 1.3 | 39 3.7 | 43 6 | 47 8.3 | 48 8.8 | 49 9.3 | 50 9.9 | 48 8.7 | 46 7.5 | 43 6.3 | 40 4.7 | 38 3.2 | 35 1.5 | 34 0.9 | 32 0.2 | 31 -0.5 | 32 -0.2 | 32 0.2 | 33 0.5 | 32 0.2 | 32 -0.2 | 31 -0.5 | 32 0.1 | 33 0.5 | 34 1 | 38 3.2 | 42 5.5 | 46 7.7 | 47 8.6 | 49 9.6 | 51 10.5 | 48 8.7 | 44 6.7 | 41 4.8 | 39 3.7 | 37 2.5 | 34 1.3 | 33 0.8 | 33 0.3 | 32 -0.2 | 31 -0.4 | 31 -0.6 | 31 -0.8 | 30 -1 | 30 -1.2 | 29 -1.4 | 31 -0.7 | 32 0 | 33 0.8 | 38 3.4 | 43 6 | 47 8.5 | 49 9.4 | 51 10.3 | 52 11.2 | 49 9.4 | 46 7.7 | 43 6 | 41 5 | 39 4 | 38 3.1 | 37 2.6 | 36 2.2 | 35 1.8 | 34 1.1 | 33 0.4 | 32 -0.3 | 31 -0.4 | 31 -0.5 | 31 -0.7 | 32 0 | 33 0.7 | 34 1.4 |
Source: CAMS, Vaisala Xweather
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