Moderate
Primary Pollutant: PM2.5
O3 | 52 µg/m3 (24) |
PM2.5 | 17 µg/m3 (62) |
PM10 | 31 µg/m3 (28) |
CO | 485 µg/m3 (5) |
NO2 | 16 µg/m3 (8) |
SO2 | 120 µg/m3 (63) |
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 |
77 | 74 | 72 | 67 | 69 | 71 | 71 | 70 | 69 | 66 | 65 | 65 | 63 | 65 | 67 | 61 | 59 | 56 | 59 | 59 | 59 | 59 | 59 | 59 | 61 | 63 | 67 | 74 | 78 | 80 | 90 | 104 | 96 | 94 | 73 | 67 | 63 | 64 | 66 | 65 | 61 | 61 | 56 | 63 | 65 | 65 | 67 | 67 | 78 | 78 | 82 | 87 | 106 | 113 | 108 | 112 | 111 | 101 | 91 | 88 | 87 | 81 | 82 | 82 | 88 | 90 | 85 | 81 | 81 | 81 | 52 | 52 | 54 | 59 | 71 | 78 | 80 | 80 | 76 | 70 | 65 | 61 | 59 | 56 | 56 | 63 | 67 | 63 | 58 | 55 | 52 | 51 | 50 | 49 | 49 | 50 | 53 |
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 | SO2 | SO2 | PM2.5 | 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 | PM2.5 |
NNW | N | N | NNW | NW | WNW | W | W | WNW | NW | WNW | WNW | WNW | WSW | WSW | WSW | W | W | WNW | WNW | WNW | WNW | WNW | W | WNW | WSW | WSW | SSW | S | S | SSW | SW | SSW | S | SSE | SE | SE | ESE | SE | SSE | SSW | WSW | W | WSW | WSW | WSW | WSW | WSW | WNW | N | ENE | ENE | ENE | ENE | ENE | NE | NE | NE | NE | ENE | ENE | NE | NNE | N | NNW | NW | NW | WNW | WNW | W | W | W | ESE | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | N | N | N | N | N | NNW | N | N |
6 9 | 6 9 | 5 7 | 5 7 | 4 7 | 3 6 | 4 6 | 5 8 | 7 12 | 6 10 | 3 5 | 3 5 | 2 4 | 1 2 | 2 4 | 3 5 | 7 11 | 8 13 | 12 20 | 12 20 | 11 18 | 10 17 | 9 15 | 8 13 | 6 9 | 4 7 | 2 3 | 2 3 | 3 5 | 4 6 | 5 7 | 4 7 | 3 5 | 5 8 | 4 7 | 6 9 | 4 6 | 4 6 | 3 4 | 1 2 | 0 1 | 2 3 | 4 6 | 4 7 | 5 8 | 6 9 | 4 6 | 2 3 | 1 1 | 0 1 | 1 1 | 1 2 | 2 3 | 2 3 | 2 4 | 2 4 | 2 3 | 2 3 | 2 3 | 2 4 | 2 4 | 2 3 | 2 3 | 2 3 | 3 4 | 4 6 | 5 8 | 5 9 | 6 9 | 7 11 | 4 6 | 1 2 | 2 3 | 7 11 | 7 11 | 8 12 | 8 13 | 10 16 | 10 16 | 11 17 | 11 18 | 11 18 | 11 18 | 11 18 | 11 18 | 11 18 | 12 19 | 13 21 | 14 22 | 14 22 | 14 23 | 14 23 | 15 25 | 16 25 | 15 25 | 15 24 | 14 23 |
83 28.4 | 82 28 | 82 27.5 | 81 27.1 | 80 26.8 | 80 26.6 | 79 26.3 | 79 26.2 | 79 26.1 | 79 26 | 79 25.9 | 79 25.9 | 78 25.8 | 79 26.3 | 80 26.9 | 81 27.4 | 83 28.2 | 84 28.9 | 85 29.6 | 86 30 | 87 30.4 | 87 30.8 | 86 30 | 85 29.2 | 83 28.5 | 82 27.8 | 81 27.2 | 80 26.5 | 79 26.1 | 78 25.7 | 78 25.3 | 78 25.4 | 78 25.6 | 78 25.7 | 78 25.5 | 77 25.2 | 77 25 | 78 25.7 | 79 26.3 | 80 26.9 | 82 27.8 | 84 28.7 | 85 29.5 | 86 29.9 | 86 30.1 | 87 30.4 | 85 29.7 | 84 29 | 83 28.2 | 82 27.7 | 81 27.3 | 80 26.8 | 80 26.5 | 79 26.1 | 78 25.7 | 78 25.6 | 78 25.4 | 77 25.2 | 77 25.1 | 77 25 | 77 24.9 | 78 25.6 | 80 26.4 | 81 27.2 | 83 28.1 | 84 29.1 | 86 30.1 | 86 30.2 | 87 30.4 | 87 30.5 | 85 29.6 | 83 28.6 | 82 27.6 | 81 27.3 | 81 27.1 | 80 26.9 | 80 26.4 | 79 26 | 78 25.6 | 78 25.4 | 77 25.1 | 77 24.9 | 77 24.9 | 77 25 | 77 25 | 78 25.6 | 79 26.2 | 80 26.8 | 82 27.9 | 84 29 | 86 30.2 | 87 30.7 | 88 31.1 | 89 31.6 | 88 30.9 | 86 30 | 85 29.2 |
Source: CAMS, Vaisala Xweather
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