Good
Primary Pollutant: O3
O3 | 48 µg/m3 (22) |
PM2.5 | 5 µg/m3 (21) |
PM10 | 12 µg/m3 (11) |
CO | 309 µg/m3 (3) |
NO2 | 12 µg/m3 (6) |
SO2 | 12 µg/m3 (6) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Dunstable | 14 |
O3 | n/a | n/a | n/a | 31 (14) | n/a | n/a |
Londonderry | 17 |
PM2.5 | 4.2 (17) | 8 (7) | n/a | 33 (15) | 229 (2) | 1.572 (1) |
Lowell | 24 |
NO2 | 4 (17) | n/a | 49 (24) | 14 (6) | n/a | n/a |
Providence | 8 |
PM2.5 | 2 (8) | n/a | n/a | n/a | n/a | n/a |
Fall River | 29 |
O3 | 3.2 (13) | n/a | n/a | 63 (29) | n/a | 0.262 (0) |
South Boston | 15 |
NO2 | 3.7 (15) | n/a | 30 (15) | n/a | 344 (3) | n/a |
Cherry Valley | 29 |
O3 | n/a | n/a | n/a | 63 (29) | n/a | n/a |
Linwood | 10 |
O3 | n/a | n/a | n/a | 22 (10) | n/a | n/a |
Fairhaven | 13 |
O3 | n/a | n/a | n/a | 29 (13) | n/a | n/a |
Roxbury Crossing | 17 |
O3 | 3.6 (15) | 6 (5) | 28 (14) | 37 (17) | 229 (2) | n/a |
Source: New Hampshire Dept. of Environmental Services, Massachusetts Dept. of Environmental Protection, Rhode Island Dept. of Environmental Management
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Saturday, Apr 27 | Sunday, Apr 28 | Monday, Apr 29 | Tuesday, Apr 30 | Wednesday, May 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am |
23 | 23 | 38 | 30 | 32 | 35 | 39 | 38 | 42 | 42 | 43 | 42 | 43 | 42 | 40 | 38 | 35 | 34 | 32 | 31 | 34 | 33 | 31 | 31 | 32 | 33 | 33 | 33 | 34 | 33 | 36 | 37 | 41 | 42 | 41 | 42 | 41 | 40 | 42 | 38 | 33 | 36 | 36 | 40 | 43 | 44 | 48 | 52 | 54 | 57 | 54 | 55 | 52 | 43 | 38 | 39 | 40 | 42 | 40 | 40 | 38 | 40 | 40 | 41 | 42 | 49 | 49 | 47 | 46 | 42 | 42 | 38 | 35 | 33 | 34 | 33 | 36 | 36 | 36 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 36 | 41 | 46 | 50 | 51 | 52 | 51 | 52 | 50 | 47 |
O3 | PM2.5 | PM2.5 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | O3 | O3 | O3 | 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 | O3 | O3 | O3 | 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 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 |
WSW | WSW | WSW | WSW | WSW | SW | SSW | SSE | SE | SE | SE | SE | S | SSW | SW | SW | SW | SW | SW | SW | WSW | WSW | SW | SW | SW | SW | SSW | SW | SW | SW | SW | SSW | SSW | SW | SW | SSW | SSW | SSW | SSW | SSW | SW | SW | WSW | W | W | W | W | WNW | WNW | WNW | NW | NNW | N | NE | ENE | E | E | E | ESE | E | ESE | ESE | SE | SSE | S | S | SSW | SW | NNW | NNE | NE | NE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | E | ESE | ESE | ESE | ESE | ESE | E | ESE | ESE | SE | SE | SSE | S | SSE | ESE | ESE | ENE |
7 11 | 7 12 | 7 12 | 6 10 | 5 8 | 3 5 | 3 4 | 3 5 | 4 7 | 6 9 | 7 11 | 7 11 | 7 11 | 11 18 | 13 22 | 12 20 | 12 19 | 12 20 | 12 20 | 11 18 | 11 17 | 9 15 | 10 16 | 9 14 | 9 14 | 9 14 | 8 14 | 10 17 | 10 16 | 11 18 | 8 14 | 10 16 | 10 16 | 9 15 | 10 16 | 10 16 | 12 19 | 11 18 | 11 18 | 10 17 | 10 17 | 10 15 | 9 15 | 8 13 | 8 12 | 7 12 | 7 12 | 7 12 | 7 12 | 8 13 | 8 14 | 8 12 | 7 11 | 8 12 | 8 13 | 8 13 | 8 12 | 7 12 | 8 12 | 7 11 | 6 9 | 6 9 | 5 9 | 4 7 | 4 6 | 3 5 | 2 3 | 1 1 | 1 2 | 3 5 | 5 7 | 5 8 | 6 9 | 7 12 | 8 12 | 7 11 | 8 13 | 7 11 | 6 10 | 6 10 | 4 6 | 3 5 | 3 6 | 4 6 | 4 6 | 5 7 | 3 5 | 7 11 | 5 9 | 6 10 | 6 9 | 5 8 | 3 5 | 2 3 | 1 2 | 1 1 | 1 2 |
38 3.6 | 40 4.5 | 44 6.8 | 49 9.3 | 52 11.2 | 55 12.9 | 57 14 | 58 14.7 | 59 14.9 | 59 15 | 59 15.2 | 61 16 | 60 15.7 | 58 14.5 | 56 13.2 | 53 11.9 | 51 10.7 | 50 9.8 | 49 9.3 | 48 8.8 | 48 8.9 | 48 9 | 48 9.1 | 47 8.1 | 46 8 | 47 8.2 | 48 8.7 | 49 9.5 | 51 10.8 | 54 12 | 56 13.6 | 59 15.3 | 62 16.4 | 62 16.8 | 61 16.2 | 61 16 | 60 15.6 | 60 15.3 | 58 14.6 | 58 14.4 | 57 14.1 | 57 13.9 | 57 13.9 | 57 14 | 57 14.1 | 57 13.9 | 57 13.8 | 57 13.7 | 58 14.3 | 59 15 | 60 15.7 | 62 16.7 | 64 17.7 | 66 18.7 | 65 18.1 | 64 17.5 | 62 16.9 | 62 16.6 | 61 16.2 | 61 16 | 60 15.4 | 59 14.8 | 58 14.2 | 56 13.5 | 55 12.7 | 54 12 | 53 11.8 | 53 11.6 | 53 11.5 | 52 11 | 51 10.5 | 50 9.9 | 50 10.2 | 51 10.4 | 51 10.6 | 51 10.5 | 51 10.4 | 51 10.4 | 51 10.3 | 50 10.2 | 50 10.2 | 51 10.4 | 51 10.5 | 51 10.7 | 51 10.5 | 51 10.4 | 50 10.3 | 50 10 | 49 9.7 | 49 9.4 | 48 9.1 | 48 8.7 | 47 8.4 | 47 8.3 | 47 8.2 | 46 8 | 47 8.3 |
Source: CAMS, Vaisala Xweather
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