Moderate
Primary Pollutant: PM2.5
O3 | 50 µg/m3 (23) |
PM2.5 | 16 µg/m3 (58) |
PM10 | 30 µg/m3 (27) |
CO | 402 µg/m3 (4) |
NO2 | 15 µg/m3 (7) |
SO2 | 125 µg/m3 (65) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Kolonnawa | 29 |
PM2.5 | 7 (29) | n/a | n/a | n/a | n/a | n/a |
Source: U.S. Department of State Sri Lanka - Colombo
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Wednesday, Dec 11 | Thursday, Dec 12 | Friday, Dec 13 | Saturday, Dec 14 | Sunday, Dec 15 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm |
78 | 75 | 73 | 63 | 66 | 68 | 64 | 65 | 66 | 66 | 65 | 65 | 64 | 66 | 68 | 61 | 59 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 60 | 62 | 67 | 71 | 79 | 81 | 93 | 106 | 97 | 100 | 75 | 66 | 65 | 67 | 68 | 65 | 59 | 61 | 56 | 61 | 65 | 64 | 65 | 67 | 78 | 78 | 82 | 84 | 113 | 122 | 110 | 112 | 109 | 102 | 89 | 87 | 86 | 81 | 86 | 100 | 109 | 112 | 104 | 75 | 72 | 70 | 47 | 49 | 51 | 55 | 66 | 73 | 74 | 74 | 68 | 64 | 60 | 58 | 53 | 53 | 53 | 58 | 64 | 60 | 56 | 55 | 52 | 51 | 50 | 49 | 49 | 50 | 53 |
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 | SO2 | SO2 | SO2 | SO2 | SO2 | 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 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 |
NNW | N | NNE | NNW | NW | NW | WNW | W | WNW | WNW | W | W | WNW | W | W | W | W | W | WNW | WNW | WNW | WNW | W | W | W | W | W | WSW | SW | SW | SW | SW | SW | SSW | S | SSE | SSE | SE | SE | SE | SSW | WSW | W | WSW | WSW | SW | WSW | WSW | W | NNW | ENE | ENE | ENE | ENE | ENE | NE | NE | NE | NE | NE | ENE | NE | NNE | N | NNW | NW | NW | NW | WNW | WNW | WNW | NW | ENE | NNE | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | N | N | N | N | N | NNW | N | N |
7 11 | 6 10 | 5 8 | 4 7 | 6 10 | 6 10 | 4 7 | 7 11 | 9 15 | 9 14 | 7 11 | 9 14 | 7 11 | 6 10 | 7 11 | 8 12 | 9 14 | 12 20 | 14 23 | 15 23 | 13 21 | 12 19 | 11 17 | 10 16 | 7 12 | 6 10 | 5 8 | 4 6 | 3 5 | 4 7 | 7 11 | 7 11 | 5 8 | 5 8 | 5 8 | 6 10 | 5 8 | 4 6 | 3 5 | 2 3 | 1 1 | 2 3 | 4 7 | 4 7 | 5 8 | 5 9 | 4 6 | 2 4 | 1 2 | 0 0 | 1 1 | 1 2 | 2 3 | 2 3 | 2 4 | 2 4 | 2 4 | 2 4 | 2 4 | 2 4 | 2 3 | 2 3 | 2 3 | 2 3 | 3 4 | 4 7 | 6 10 | 7 11 | 8 12 | 9 14 | 6 9 | 2 4 | 1 1 | 9 14 | 10 16 | 11 18 | 12 19 | 14 22 | 15 24 | 15 24 | 15 24 | 15 24 | 15 24 | 15 24 | 15 24 | 15 24 | 15 25 | 16 26 | 17 27 | 17 27 | 17 27 | 17 28 | 18 28 | 18 28 | 18 29 | 18 29 | 17 27 |
83 28.2 | 82 27.9 | 82 27.7 | 81 27.4 | 81 27.2 | 81 27 | 80 26.9 | 80 26.8 | 80 26.7 | 80 26.6 | 80 26.6 | 80 26.5 | 80 26.5 | 81 27 | 81 27.4 | 82 27.9 | 83 28.1 | 83 28.4 | 83 28.5 | 84 29.1 | 85 29.6 | 86 30.2 | 85 29.5 | 84 29 | 83 28.4 | 82 27.9 | 81 27.4 | 80 26.8 | 80 26.5 | 79 26.1 | 78 25.8 | 79 25.9 | 79 26 | 79 26.2 | 79 26.1 | 79 26 | 79 25.9 | 79 26.3 | 80 26.8 | 81 27.2 | 82 27.6 | 82 28 | 83 28.4 | 84 29 | 85 29.6 | 86 30.2 | 85 29.7 | 84 29.2 | 83 28.6 | 83 28.2 | 82 27.9 | 82 27.6 | 81 27.3 | 81 27 | 80 26.6 | 80 26.5 | 80 26.4 | 80 26.4 | 79 26.3 | 79 26.2 | 79 26.2 | 80 26.6 | 80 26.9 | 81 27.4 | 82 28 | 84 28.7 | 85 29.3 | 86 29.9 | 87 30.4 | 88 31 | 86 30 | 84 29 | 83 28.1 | 82 27.9 | 82 27.8 | 82 27.6 | 81 27.2 | 80 26.7 | 79 26.3 | 79 26.2 | 79 26.1 | 79 25.9 | 79 25.9 | 78 25.8 | 78 25.8 | 79 26.1 | 80 26.5 | 80 26.8 | 82 27.7 | 84 28.7 | 85 29.5 | 86 30 | 87 30.5 | 88 30.9 | 86 30.3 | 85 29.5 | 84 28.8 |
Source: CAMS, Vaisala Xweather
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