Moderate
Primary Pollutant: PM2.5
O3 | 56 µg/m3 (25) |
PM2.5 | 14 µg/m3 (54) |
PM10 | 28 µg/m3 (25) |
CO | 413 µg/m3 (4) |
NO2 | 17 µg/m3 (8) |
SO2 | 134 µg/m3 (70) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Kolonnawa | 17 |
PM2.5 | 4 (17) | n/a | n/a | n/a | n/a | n/a |
Kolonnawa | 68 |
PM2.5 | 20 (68) | 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) |
Wednesday, Dec 11 | Thursday, Dec 12 | Friday, Dec 13 | Saturday, Dec 14 | Sunday, Dec 15 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 10am | 11am | 12pm | 1pm | 2pm |
83 | 80 | 78 | 77 | 69 | 79 | 71 | 80 | 88 | 74 | 69 | 69 | 67 | 70 | 69 | 57 | 59 | 61 | 59 | 57 | 62 | 83 | 88 | 94 | 94 | 81 | 77 | 72 | 75 | 78 | 83 | 115 | 121 | 130 | 139 | 137 | 140 | 102 | 94 | 67 | 66 | 69 | 66 | 64 | 66 | 78 | 83 | 86 | 66 | 68 | 69 | 80 | 88 | 88 | 89 | 90 | 91 | 92 | 92 | 93 | 93 | 94 | 95 | 97 | 99 | 100 | 106 | 59 | 54 | 68 | 65 | 61 | 59 | 44 | 46 | 49 | 55 | 66 | 73 | 73 | 73 | 68 | 62 | 58 | 56 | 53 | 52 | 52 | 58 | 61 | 59 | 56 | 54 | 52 | 50 | 50 | 47 |
SO2 | SO2 | SO2 | SO2 | SO2 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 | SO2 | PM2.5 | PM2.5 | 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 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 |
NNW | N | N | N | N | NNE | N | NW | NW | W | W | WNW | NW | WNW | W | W | SSW | SSW | SW | WSW | W | WNW | WNW | WNW | WNW | WNW | W | W | WSW | SW | S | SSE | SSE | S | SSW | SSW | S | S | SSE | SE | SE | SE | SSE | SSW | WSW | W | WSW | WSW | WSW | WSW | WSW | NE | ENE | ENE | ENE | ENE | ENE | ENE | NE | NE | NE | NE | NE | ENE | NE | NNE | N | NNW | NNW | NW | NW | NW | WNW | NW | NW | ESE | NNE | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | N | N | N | N |
8 14 | 8 13 | 7 11 | 6 9 | 5 9 | 4 7 | 3 5 | 4 6 | 4 7 | 3 5 | 5 7 | 7 12 | 6 10 | 3 5 | 3 4 | 2 3 | 2 3 | 2 4 | 4 6 | 6 10 | 9 14 | 11 18 | 12 19 | 11 17 | 10 16 | 8 14 | 8 12 | 5 8 | 3 6 | 2 2 | 2 3 | 3 4 | 3 6 | 4 7 | 5 8 | 3 6 | 5 8 | 5 8 | 5 8 | 4 7 | 3 6 | 3 4 | 2 3 | 1 1 | 2 3 | 3 6 | 4 6 | 4 7 | 5 7 | 3 4 | 1 1 | 1 2 | 1 2 | 1 2 | 1 1 | 1 2 | 2 3 | 2 3 | 2 4 | 2 4 | 2 3 | 2 3 | 2 3 | 2 3 | 2 3 | 2 3 | 2 3 | 2 4 | 3 6 | 5 7 | 5 8 | 6 10 | 7 11 | 4 7 | 1 2 | 1 2 | 8 13 | 9 14 | 10 16 | 11 17 | 12 20 | 13 21 | 13 21 | 13 22 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 14 22 | 15 24 | 16 25 | 16 25 | 16 25 | 16 25 | 16 26 | 16 26 |
87 30.4 | 85 29.7 | 84 28.9 | 83 28.2 | 82 27.8 | 81 27.4 | 81 27 | 80 26.8 | 80 26.6 | 80 26.4 | 79 26.3 | 79 26.2 | 79 26.1 | 79 26.1 | 79 26.1 | 79 26.1 | 80 26.7 | 81 27.3 | 82 27.9 | 83 28.3 | 84 28.8 | 85 29.2 | 85 29.6 | 86 30 | 87 30.4 | 86 29.8 | 84 29.1 | 83 28.5 | 82 27.9 | 81 27.2 | 80 26.6 | 79 26.2 | 78 25.8 | 78 25.4 | 78 25.4 | 78 25.4 | 78 25.5 | 78 25.3 | 77 25.1 | 77 25 | 78 25.7 | 80 26.5 | 81 27.1 | 82 27.9 | 83 28.6 | 85 29.3 | 85 29.6 | 86 29.9 | 86 30.1 | 85 29.5 | 84 28.9 | 83 28.3 | 82 27.7 | 81 27.3 | 80 26.8 | 80 26.4 | 79 26.1 | 78 25.8 | 78 25.7 | 78 25.5 | 78 25.3 | 77 25.2 | 77 25.1 | 77 25 | 79 25.9 | 80 26.6 | 81 27.5 | 83 28.3 | 84 29.1 | 86 30 | 86 30.2 | 87 30.4 | 87 30.7 | 85 29.7 | 84 28.7 | 82 27.7 | 81 27.4 | 81 27.2 | 81 27 | 80 26.5 | 79 26 | 78 25.6 | 78 25.4 | 78 25.3 | 77 25.2 | 77 25.1 | 77 25.1 | 77 25.1 | 78 25.8 | 80 26.4 | 81 27.1 | 82 27.9 | 84 28.8 | 86 29.8 | 86 30.3 | 87 30.7 | 88 31.3 |
Source: CAMS, Vaisala Xweather
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