Good
Primary Pollutant: PM2.5
| O3 | 47 µg/m3 (21) |
| PM2.5 | 7 µg/m3 (29) |
| PM10 | 19 µg/m3 (17) |
| CO | 219 µg/m3 (2) |
| NO2 | 14 µg/m3 (7) |
| 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) |
|---|---|---|---|---|---|---|---|---|
| Londonderry | 33 |
O3 | 2.9 (12) | 5 (5) | n/a | 73 (33) | 115 (1) | 0.786 (0) |
| Lowell | 17 |
PM2.5 | 4.2 (17) | n/a | 13 (6) | n/a | n/a | n/a |
| Providence | 33 |
PM2.5 | 8 (33) | n/a | n/a | n/a | n/a | n/a |
| Fall River | 32 |
O3 | 3.2 (13) | n/a | n/a | 71 (32) | n/a | 0.524 (0) |
| South Boston | 56 |
PM2.5 | 14 (56) | n/a | 32 (16) | n/a | 458 (4) | n/a |
| Cherry Valley | 35 |
O3 | n/a | n/a | n/a | 76 (35) | n/a | n/a |
| Linwood | 26 |
O3 | 4.1 (17) | 6 (5) | n/a | 57 (26) | n/a | n/a |
| Fairhaven | 29 |
O3 | n/a | n/a | n/a | 65 (29) | n/a | n/a |
| Roxbury Crossing | 27 |
PM10 | 4.4 (18) | 30 (27) | 28 (14) | 49 (22) | 229 (2) | 1.31 (1) |
| Roxbury Crossing | 22 |
PM2.5 | 5.4 (22) | n/a | 28 (14) | n/a | n/a | 0 (0) |
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) |
| Monday, Jan 20 | Tuesday, Jan 21 | Wednesday, Jan 22 | Thursday, Jan 23 | Friday, Jan 24 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 6pm | 7pm |
| 26 | 25 | 24 | 22 | 37 | 32 | 29 | 26 | 25 | 24 | 21 | 24 | 28 | 28 | 25 | 30 | 32 | 29 | 29 | 28 | 32 | 37 | 37 | 45 | 41 | 42 | 45 | 46 | 49 | 45 | 45 | 41 | 45 | 45 | 45 | 53 | 55 | 55 | 42 | 38 | 33 | 32 | 29 | 29 | 28 | 32 | 45 | 51 | 53 | 58 | 58 | 58 | 59 | 59 | 54 | 56 | 50 | 43 | 50 | 38 | 47 | 46 | 47 | 47 | 48 | 49 | 49 | 51 | 51 | 32 | 41 | 49 | 53 | 59 | 64 | 68 | 70 | 70 | 68 | 68 | 66 | 66 | 66 | 73 | 77 | 77 | 70 | 61 | 53 | 49 | 46 | 42 | 45 | 53 | 60 | 64 |
| PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | NO2 | PM2.5 | PM2.5 | O3 | PM2.5 | PM2.5 | PM2.5 | 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 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 | 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 |
| WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | W | W | W | W | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW |
| 13 22 | 12 20 | 11 18 | 11 18 | 11 19 | 13 20 | 13 22 | 15 24 | 16 25 | 15 24 | 14 22 | 14 22 | 14 22 | 14 22 | 14 22 | 14 22 | 14 22 | 13 22 | 12 20 | 12 20 | 12 20 | 12 20 | 12 19 | 12 19 | 13 20 | 13 22 | 14 23 | 15 24 | 16 25 | 16 26 | 16 25 | 16 25 | 15 24 | 14 22 | 14 22 | 13 22 | 13 21 | 13 20 | 12 20 | 12 19 | 11 17 | 10 16 | 9 15 | 9 14 | 8 13 | 7 12 | 7 11 | 6 10 | 6 10 | 6 10 | 7 11 | 7 12 | 8 12 | 8 13 | 8 14 | 9 14 | 9 14 | 9 15 | 9 15 | 9 15 | 10 16 | 10 16 | 10 17 | 11 18 | 12 20 | 13 22 | 13 21 | 13 21 | 13 20 | 12 19 | 11 18 | 10 17 | 10 17 | 10 17 | 10 17 | 10 17 | 10 17 | 10 17 | 11 17 | 11 18 | 11 18 | 12 19 | 12 19 | 12 20 | 12 19 | 12 19 | 12 19 | 12 19 | 11 18 | 11 18 | 11 18 | 11 18 | 11 18 | 11 18 | 11 18 | 11 18 |
| 22 -5.5 | 21 -6 | 21 -6.2 | 20 -6.5 | 19 -7.1 | 19 -7.3 | 18 -7.7 | 18 -7.7 | 17 -8.2 | 17 -8.2 | 16 -8.6 | 16 -8.7 | 16 -8.8 | 16 -8.8 | 17 -8.3 | 17 -8.3 | 19 -7.3 | 20 -6.6 | 20 -6.6 | 21 -6.2 | 21 -6.2 | 22 -5.5 | 22 -5.5 | 21 -6 | 21 -6.2 | 19 -7.1 | 19 -7.3 | 18 -7.8 | 17 -8.3 | 16 -8.8 | 16 -8.8 | 15 -9.2 | 15 -9.4 | 14 -9.8 | 13 -10.4 | 13 -10.4 | 14 -10.2 | 14 -10.1 | 14 -10 | 15 -9.4 | 16 -8.9 | 17 -8.3 | 18 -7.6 | 20 -6.9 | 21 -6.2 | 21 -6.3 | 20 -6.4 | 20 -6.5 | 20 -6.5 | 20 -6.6 | 20 -6.6 | 20 -6.8 | 19 -7.1 | 19 -7.3 | 19 -7 | 20 -6.6 | 21 -6.3 | 21 -6.1 | 21 -5.9 | 22 -5.7 | 22 -5.5 | 23 -5.2 | 23 -5 | 25 -3.9 | 27 -2.8 | 29 -1.6 | 30 -1.3 | 30 -0.9 | 31 -0.5 | 31 -0.7 | 30 -1 | 30 -1.2 | 29 -1.6 | 29 -1.9 | 28 -2.3 | 27 -2.6 | 27 -3 | 26 -3.3 | 26 -3.4 | 26 -3.5 | 26 -3.6 | 25 -3.7 | 25 -3.8 | 25 -3.8 | 25 -3.7 | 26 -3.5 | 26 -3.3 | 26 -3.1 | 27 -3 | 27 -2.8 | 27 -2.7 | 27 -2.6 | 28 -2.5 | 28 -2.3 | 28 -2.2 | 28 -2.1 |
Source: CAMS, Vaisala Xweather
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