Moderate
Primary Pollutant: PM2.5
O3 | 13 µg/m3 (6) |
PM2.5 | 13 µg/m3 (53) |
PM10 | 8 µg/m3 (7) |
CO | 237 µg/m3 (2) |
NO2 | 1 µg/m3 (1) |
SO2 | 3 µg/m3 (2) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Dunstable | 6 |
O3 | n/a | n/a | n/a | 14 (6) | n/a | n/a |
Portsmouth | 33 |
PM2.5 | 8 (33) | 14 (13) | n/a | 24 (11) | n/a | 3.406 (2) |
New Castle | 14 |
O3 | n/a | n/a | n/a | 30 (14) | n/a | n/a |
Londonderry | 15 |
PM2.5 | 3.6 (15) | 5 (5) | n/a | 22 (10) | 229 (2) | 1.572 (1) |
Lowell | 37 |
PM2.5 | 9 (37) | n/a | 24 (12) | 2 (1) | n/a | n/a |
South Boston | 41 |
PM2.5 | 10 (41) | n/a | 26 (13) | n/a | 458 (4) | n/a |
Linwood | 4 |
O3 | n/a | n/a | n/a | 8 (4) | n/a | n/a |
Roxbury Crossing | 43 |
PM2.5 | 10 (43) | 24 (22) | 28 (14) | 2 (1) | 458 (4) | 1.572 (1) |
Roxbury Crossing | 38 |
PM2.5 | 9.3 (38) | n/a | 47 (23) | n/a | n/a | 1.31 (1) |
Source: AirNow (EPA), New Hampshire Dept. of Environmental Services, Massachusetts Dept. of Environmental Protection
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Thursday, Mar 28 | Friday, Mar 29 | Saturday, Mar 30 | Sunday, Mar 31 | Monday, Apr 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 7am |
22 | 23 | 24 | 24 | 25 | 37 | 37 | 34 | 32 | 32 | 32 | 37 | 36 | 21 | 21 | 23 | 22 | 23 | 21 | 29 | 25 | 26 | 27 | 28 | 29 | 34 | 32 | 31 | 30 | 30 | 32 | 34 | 33 | 34 | 35 | 35 | 36 | 35 | 34 | 33 | 34 | 34 | 34 | 35 | 34 | 34 | 34 | 34 | 34 | 36 | 36 | 36 | 37 | 37 | 38 | 37 | 38 | 39 | 39 | 36 | 35 | 33 | 37 | 36 | 35 | 34 | 33 | 33 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 39 | 40 | 41 | 41 | 42 | 43 | 42 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 |
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 | PM2.5 | PM2.5 | O3 | O3 | O3 | O3 | O3 | PM2.5 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 |
NNW | N | N | N | N | N | N | N | N | N | N | N | N | N | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
3 5 | 3 4 | 3 5 | 3 5 | 3 5 | 3 5 | 3 5 | 3 5 | 4 7 | 4 7 | 6 9 | 6 9 | 6 9 | 6 9 | 7 11 | 7 11 | 8 13 | 9 14 | 10 16 | 12 19 | 12 20 | 12 20 | 13 21 | 13 21 | 13 21 | 13 21 | 15 23 | 16 25 | 17 27 | 17 28 | 18 29 | 18 30 | 18 29 | 18 29 | 18 30 | 18 29 | 18 28 | 17 28 | 20 32 | 22 36 | 24 39 | 24 38 | 23 37 | 22 36 | 22 36 | 22 35 | 22 35 | 22 35 | 22 35 | 21 35 | 22 35 | 22 35 | 22 35 | 21 33 | 20 31 | 18 30 | 18 29 | 17 28 | 17 27 | 16 25 | 15 23 | 13 22 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 21 | 13 22 | 14 22 | 14 22 | 14 23 | 14 22 | 14 22 | 13 22 | 13 21 | 13 21 | 13 21 | 13 20 | 12 20 | 12 19 | 11 18 | 11 18 | 11 17 | 11 17 | 11 17 | 11 18 | 11 18 | 11 18 |
44 6.5 | 44 6.7 | 45 7.3 | 47 8.1 | 47 8.1 | 47 8.3 | 48 8.6 | 48 9 | 48 9 | 48 9 | 48 8.6 | 47 8.4 | 46 7.8 | 45 7.5 | 45 7.2 | 44 6.7 | 44 6.7 | 43 6.2 | 43 6.2 | 42 5.6 | 41 5 | 40 4.5 | 39 3.8 | 38 3.4 | 37 2.7 | 36 2.2 | 38 3.1 | 39 4.1 | 41 4.8 | 42 5.7 | 43 6.3 | 44 6.8 | 44 6.8 | 44 6.8 | 44 6.7 | 43 6.2 | 42 5.6 | 41 5 | 40 4.6 | 40 4.2 | 39 3.8 | 38 3.6 | 38 3.3 | 38 3.1 | 37 2.9 | 37 2.7 | 36 2.4 | 36 2.4 | 36 2.4 | 36 2.4 | 39 3.7 | 41 4.9 | 43 6.2 | 45 7.1 | 46 7.9 | 48 8.8 | 48 8.8 | 48 8.8 | 48 8.8 | 46 7.9 | 45 7.1 | 43 6.2 | 42 5.7 | 41 5.1 | 40 4.6 | 39 4.1 | 38 3.5 | 37 3 | 37 2.9 | 37 2.8 | 37 2.7 | 37 2.6 | 37 2.5 | 36 2.4 | 38 3.5 | 40 4.5 | 42 5.5 | 44 6.6 | 46 7.6 | 48 8.6 | 47 8.2 | 46 7.8 | 45 7.4 | 45 7 | 44 6.6 | 43 6.2 | 42 5.6 | 41 4.9 | 40 4.3 | 39 3.7 | 37 3 | 36 2.4 | 36 2.3 | 36 2.3 | 36 2.2 | 36 2.1 | 36 2.1 |
Source: CAMS, Vaisala Xweather
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