Good
Primary Pollutant: PM2.5
O3 | 43 µg/m3 (20) |
PM2.5 | 9 µg/m3 (37) |
PM10 | 17 µg/m3 (15) |
CO | 339 µg/m3 (3) |
NO2 | 17 µg/m3 (8) |
SO2 | 5 µg/m3 (3) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Portsmouth | 33 |
O3 | 6.5 (27) | 14 (13) | n/a | 73 (33) | n/a | 2.882 (2) |
Londonderry | 31 |
O3 | 6.3 (26) | 11 (10) | n/a | 69 (31) | n/a | 0.786 (0) |
Lowell | 29 |
PM2.5 | 6.9 (29) | n/a | 17 (8) | n/a | n/a | n/a |
South Boston | 30 |
PM2.5 | 7.3 (30) | n/a | 19 (9) | n/a | 344 (3) | n/a |
Linwood | 30 |
O3 | 5.6 (23) | 11 (10) | n/a | 67 (30) | n/a | n/a |
Roxbury Crossing | 33 |
PM2.5 | 7.9 (33) | 14 (13) | 19 (9) | 53 (24) | 229 (2) | 1.572 (1) |
Lynn | 30 |
PM2.5 | 7.2 (30) | n/a | 9.964 (5) | 61 (28) | n/a | n/a |
Readville | 33 |
O3 | n/a | n/a | 5.64 (3) | 73 (33) | n/a | n/a |
Roxbury Crossing | 36 |
PM2.5 | 8.6 (36) | n/a | 19 (9) | n/a | n/a | 0 (0) |
Source: New Hampshire Dept. of Environmental Services, Massachusetts Dept. of Environmental Protection
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Saturday, Jan 18 | Sunday, Jan 19 | Monday, Jan 20 | Tuesday, Jan 21 | Wednesday, Jan 22 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 3pm | 4pm |
46 | 45 | 45 | 43 | 40 | 40 | 42 | 44 | 47 | 46 | 49 | 47 | 38 | 40 | 38 | 42 | 38 | 33 | 23 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 27 | 27 | 27 | 29 | 28 | 27 | 24 | 23 | 24 | 24 | 25 | 25 | 25 | 28 | 29 | 31 | 32 | 31 | 31 | 29 | 27 | 23 | 23 | 23 | 23 | 23 | 22 | 25 | 24 | 25 | 25 | 24 | 24 | 21 | 24 | 24 | 24 | 24 | 24 | 25 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | 31 | 32 | 33 | 33 | 34 | 35 | 34 | 34 | 34 |
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 | 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 | PM2.5 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 |
SSE | S | SSE | SSE | SE | SSE | SSW | SSW | SW | WSW | W | W | W | WNW | WNW | WNW | WNW | NW | NW | NNW | NNW | NNW | N | N | NNE | NNE | NNE | NNE | N | SSW | N | NNW | NNW | NNW | NW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW |
11 18 | 9 15 | 9 14 | 8 13 | 7 12 | 7 11 | 7 11 | 6 10 | 6 10 | 7 11 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 7 10 | 8 13 | 8 13 | 8 12 | 8 13 | 7 11 | 7 11 | 7 11 | 8 12 | 8 13 | 9 15 | 10 16 | 11 17 | 12 19 | 13 21 | 13 22 | 15 23 | 15 24 | 15 24 | 15 23 | 15 23 | 15 23 | 15 23 | 15 23 | 14 23 | 14 22 | 13 22 | 13 22 | 13 22 | 13 22 | 13 20 | 12 19 | 11 18 | 10 17 | 10 15 | 9 14 | 9 14 | 9 14 | 8 14 | 8 13 | 8 13 | 8 13 | 8 13 | 8 13 | 8 13 | 8 13 | 8 13 | 8 13 | 9 14 | 9 14 | 9 15 | 9 15 | 10 16 | 10 16 | 9 15 | 9 14 | 8 13 | 7 11 | 6 10 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 10 | 6 10 | 6 10 | 7 11 | 7 11 | 7 12 | 8 13 | 8 14 | 9 14 | 10 15 | 10 16 | 9 15 | 9 14 | 8 13 |
43 6 | 41 5 | 40 4.5 | 40 4.7 | 40 4.5 | 40 4.5 | 40 4.5 | 39 4.1 | 39 3.8 | 38 3.4 | 37 2.7 | 36 2 | 35 1.9 | 35 1.4 | 33 0.6 | 32 0 | 34 1.4 | 36 2.2 | 38 3.5 | 40 4.5 | 41 4.7 | 41 4.7 | 40 4.5 | 40 4.5 | 38 3.6 | 37 2.7 | 35 1.7 | 34 1.4 | 34 1 | 32 0 | 30 -1.2 | 28 -2.3 | 27 -3 | 25 -3.8 | 26 -3.6 | 23 -5 | 21 -6.2 | 19 -7.4 | 16 -8.7 | 14 -9.9 | 15 -9.4 | 16 -8.9 | 17 -8.4 | 18 -7.8 | 19 -7.2 | 20 -6.5 | 20 -6.6 | 20 -6.8 | 20 -6.9 | 18 -7.8 | 16 -8.8 | 15 -9.7 | 14 -10 | 13 -10.3 | 13 -10.6 | 12 -10.9 | 12 -11.2 | 11 -11.4 | 11 -11.7 | 10 -12 | 10 -12.3 | 9 -12.5 | 9 -12.8 | 8 -13.1 | 10 -12.2 | 12 -11.3 | 13 -10.4 | 15 -9.6 | 16 -8.7 | 18 -7.8 | 17 -8.1 | 17 -8.5 | 16 -8.8 | 16 -9.2 | 15 -9.5 | 14 -9.8 | 13 -10.3 | 13 -10.7 | 12 -11.2 | 11 -11.7 | 10 -12.1 | 9 -12.6 | 9 -12.7 | 9 -12.8 | 9 -12.9 | 9 -13 | 9 -13.1 | 8 -13.2 | 10 -12.3 | 12 -11.4 | 13 -10.5 | 15 -9.6 | 16 -8.7 | 18 -7.8 | 17 -8.3 | 16 -8.8 | 15 -9.4 |
Source: CAMS, Vaisala Xweather
Powered by Vaisala Xweather