Moderate
Primary Pollutant: PM2.5
O3 | 60 µg/m3 (27) |
PM2.5 | 24 µg/m3 (76) |
PM10 | 34 µg/m3 (31) |
CO | 691 µg/m3 (7) |
NO2 | 17 µg/m3 (9) |
SO2 | 102 µg/m3 (54) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Kolonnawa | 91 |
PM2.5 | 31 (91) | n/a | n/a | n/a | n/a | n/a |
Kolonnawa | 72 |
PM2.5 | 22 (72) | n/a | n/a | n/a | n/a | n/a |
Source: U.S. Department of State Sri Lanka - Colombo, Unknown Governmental Organization
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Monday, Jan 6 | Tuesday, Jan 7 | Wednesday, Jan 8 | Thursday, Jan 9 | Friday, Jan 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am |
111 | 111 | 110 | 110 | 79 | 95 | 92 | 91 | 84 | 82 | 94 | 128 | 140 | 143 | 124 | 123 | 113 | 119 | 119 | 121 | 120 | 116 | 113 | 107 | 103 | 104 | 101 | 91 | 94 | 90 | 86 | 85 | 83 | 83 | 87 | 97 | 101 | 108 | 110 | 111 | 107 | 109 | 107 | 102 | 100 | 95 | 99 | 101 | 94 | 100 | 134 | 152 | 154 | 117 | 103 | 101 | 86 | 108 | 108 | 108 | 108 | 108 | 109 | 110 | 111 | 111 | 110 | 110 | 109 | 67 | 73 | 66 | 59 | 52 | 47 | 47 | 47 | 48 | 45 | 42 | 48 | 55 | 60 | 62 | 67 | 71 | 73 | 73 | 73 | 71 | 73 | 73 | 76 | 82 | 99 | 72 | 66 |
PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | SO2 | SO2 | SO2 | SO2 | 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 | O3 | O3 | O3 | O3 | O3 | O3 | 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 |
NNE | NNE | N | N | NNW | NNW | NNW | NW | NW | WNW | WNW | NW | N | N | N | NNE | NE | NE | NE | NE | NE | NE | NE | NNE | N | NNW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NNW | N | NNE | NNE | NE | NE | ENE | NE | NNE | NE | NNE | NE | NE | NE | NNE | NNW | WNW | W | W | W | W | WNW | NW | NNW | N | N | NNE | NNE | NNE | NNE | NNE | NE | NNE | NNE | NNE | NNE | NNE | NNE | N | N | NNW | NNW | NW | NW | NNW | N | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NE | NNE | NNE | N | NNE |
5 8 | 8 12 | 7 12 | 7 12 | 7 11 | 7 11 | 7 11 | 7 11 | 6 10 | 5 8 | 5 8 | 4 7 | 1 2 | 2 4 | 4 7 | 4 7 | 4 7 | 4 6 | 3 5 | 3 6 | 3 5 | 3 5 | 3 5 | 3 5 | 3 5 | 2 4 | 3 5 | 4 7 | 5 9 | 7 11 | 8 13 | 8 14 | 7 11 | 5 8 | 6 10 | 6 10 | 5 8 | 5 8 | 5 8 | 5 8 | 3 5 | 2 3 | 2 4 | 3 5 | 3 5 | 3 4 | 3 4 | 2 4 | 2 3 | 1 2 | 2 3 | 3 5 | 5 8 | 6 10 | 6 9 | 6 9 | 6 10 | 6 9 | 6 9 | 6 10 | 7 10 | 7 11 | 7 11 | 6 10 | 5 9 | 5 8 | 5 8 | 5 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 10 | 6 9 | 6 9 | 5 9 | 5 8 | 6 9 | 6 10 | 6 10 | 7 11 | 7 11 | 6 10 | 6 9 | 5 8 | 5 8 | 4 7 | 4 6 | 4 6 | 4 7 | 4 7 | 4 6 | 4 6 | 3 5 | 4 6 |
81 27.1 | 83 28.4 | 86 29.8 | 87 30.4 | 88 30.9 | 89 31.5 | 87 30.6 | 85 29.7 | 84 28.8 | 83 28.3 | 82 27.9 | 81 27.4 | 81 27 | 80 26.5 | 79 26 | 78 25.3 | 76 24.5 | 75 23.8 | 75 23.8 | 75 23.8 | 75 23.8 | 76 24.5 | 77 25.2 | 78 25.8 | 81 27.1 | 83 28.4 | 85 29.6 | 86 30.1 | 87 30.6 | 88 31.1 | 87 30.3 | 85 29.6 | 84 28.9 | 83 28.4 | 82 28 | 82 27.5 | 81 27.1 | 80 26.7 | 79 26.3 | 78 25.8 | 78 25.3 | 77 24.8 | 77 24.8 | 77 24.8 | 77 24.8 | 77 25.2 | 78 25.7 | 79 26.2 | 81 27.4 | 84 28.7 | 86 29.9 | 87 30.4 | 88 30.9 | 89 31.5 | 87 30.7 | 86 30.1 | 85 29.4 | 84 28.8 | 83 28.3 | 82 27.7 | 81 27.3 | 80 26.8 | 79 26.4 | 79 25.9 | 78 25.3 | 77 24.7 | 77 24.8 | 77 24.8 | 77 24.8 | 78 25.3 | 78 25.8 | 79 26.2 | 81 27.4 | 83 28.6 | 86 29.8 | 87 30.4 | 88 30.9 | 89 31.4 | 88 31 | 87 30.6 | 86 30.1 | 85 29.3 | 83 28.5 | 82 27.7 | 81 27.3 | 81 27 | 80 26.6 | 79 26.1 | 78 25.5 | 77 25 | 77 24.9 | 77 24.8 | 76 24.7 | 77 25.2 | 78 25.7 | 79 26.2 | 82 27.6 |
Source: CAMS, Vaisala Xweather
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