Good
Primary Pollutant: O3
O3 | 77 µg/m3 (35) |
PM2.5 | 7 µg/m3 (29) |
PM10 | 11 µg/m3 (10) |
CO | 185 µg/m3 (2) |
NO2 | 7 µg/m3 (3) |
SO2 | 2 µg/m3 (1) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Concord | 35 |
O3 | n/a | n/a | n/a | 78 (35) | n/a | n/a |
Dunstable | 41 |
O3 | n/a | n/a | n/a | 90 (41) | n/a | n/a |
Temple | 35 |
O3 | 3.1 (13) | 6 (5) | n/a | 78 (35) | 115 (1) | 0 (0) |
Londonderry | 40 |
O3 | 3.4 (14) | 6 (5) | n/a | 88 (40) | 115 (1) | 1.834 (1) |
Lowell | 38 |
O3 | 3.3 (14) | n/a | 0 (0) | 84 (38) | n/a | n/a |
South Boston | 14 |
PM2.5 | 3.5 (14) | n/a | 3.76 (2) | n/a | 229 (2) | n/a |
Belchertown | 41 |
O3 | 2.6 (11) | 3 (3) | 0 (0) | 90 (41) | n/a | n/a |
Cherry Valley | 35 |
O3 | n/a | n/a | n/a | 76 (35) | n/a | n/a |
Linwood | 37 |
O3 | n/a | n/a | n/a | 82 (37) | n/a | n/a |
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, Apr 25 | Friday, Apr 26 | Saturday, Apr 27 | Sunday, Apr 28 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 8pm | 9pm | 10pm | 11pm | 12am |
36 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 33 | 35 | 36 | 34 | 34 | 34 | 35 | 36 | 36 | 35 | 34 | 33 | 25 | 23 | 21 | 20 | 21 | 23 | 23 | 21 | 20 | 20 | 19 | 20 | 26 | 32 | 35 | 36 | 38 | 40 | 39 | 40 | 40 | 40 | 39 | 36 | 27 | 30 | 28 | 31 | 27 | 22 | 18 | 18 | 19 | 22 | 21 | 21 | 29 | 30 | 35 | 42 | 43 | 43 | 46 | 46 | 47 | 48 | 49 | 49 | 47 | 43 | 41 | 39 | 38 | 37 | 35 | 34 | 34 | 33 | 31 | 30 | 33 | 38 | 42 | 42 | 42 | 42 | 44 | 44 | 44 | 44 | 42 | 50 | 50 | 50 | 50 | 50 | 50 |
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 | 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 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 | O3 | O3 | O3 | O3 | O3 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | O3 | O3 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 |
NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | N | NNW | N | NNW | NNW | NNW | NW | NW | NW | NW | NNW | N | NNE | SSW | WSW | WNW | NW | NW | NNW | NNW | NNW | NNW | NNW | N | NNE | NE | NE | NE | NE | ENE | ENE | ENE | E | SE | ESE | SE | SSE | S | SW | SW | WSW | WSW | W | W | W | W | W | W | W | SW | SW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | SW | SW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | SW | WSW | WSW | WSW | WSW |
10 16 | 9 15 | 8 13 | 7 11 | 6 9 | 5 8 | 5 8 | 5 8 | 5 9 | 5 8 | 4 7 | 4 6 | 4 6 | 4 6 | 4 7 | 5 7 | 5 8 | 5 8 | 4 7 | 3 5 | 3 5 | 1 2 | 1 1 | 2 4 | 4 6 | 5 7 | 5 7 | 5 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 6 | 4 7 | 4 7 | 4 6 | 3 5 | 3 5 | 3 4 | 2 4 | 2 3 | 1 1 | 1 1 | 3 4 | 6 9 | 6 9 | 6 9 | 7 11 | 6 10 | 6 10 | 7 11 | 7 10 | 6 10 | 6 10 | 5 8 | 4 6 | 3 4 | 3 5 | 3 4 | 3 5 | 4 6 | 5 8 | 5 9 | 6 9 | 6 10 | 6 10 | 6 10 | 6 9 | 5 9 | 6 10 | 7 11 | 7 12 | 8 12 | 8 12 | 7 12 | 6 10 | 6 10 | 6 9 | 6 9 | 5 9 | 6 9 | 6 9 | 7 11 | 7 12 | 7 11 | 6 10 | 5 8 | 5 8 | 4 7 | 4 6 | 4 6 | 4 6 | 4 7 | 4 7 | 4 7 | 4 6 | 4 6 |
35 1.6 | 34 1.2 | 33 0.6 | 32 -0.1 | 30 -0.9 | 29 -1.6 | 28 -2.3 | 29 -1.5 | 33 0.6 | 37 2.6 | 40 4.6 | 44 6.5 | 47 8.3 | 50 9.8 | 52 11 | 53 11.8 | 54 12.2 | 54 12.1 | 53 11.6 | 51 10.4 | 46 7.7 | 43 6.1 | 39 3.8 | 37 2.5 | 34 1.3 | 33 0.4 | 32 -0.3 | 31 -0.6 | 31 -0.5 | 31 -0.5 | 31 -0.6 | 34 1.1 | 40 4.5 | 45 7.3 | 48 9.1 | 51 10.4 | 53 11.5 | 54 12.5 | 56 13.3 | 57 14 | 58 14.3 | 58 14.6 | 56 13.5 | 54 12.3 | 52 11.2 | 49 9.5 | 46 7.7 | 43 6 | 42 5.5 | 41 4.9 | 40 4.3 | 39 4 | 39 3.7 | 38 3.4 | 41 4.9 | 44 6.4 | 46 8 | 50 10.1 | 54 12.3 | 58 14.4 | 60 15.3 | 61 16.3 | 63 17.3 | 63 17.2 | 63 17.1 | 63 17.1 | 60 15.6 | 57 14.1 | 55 12.6 | 52 11.3 | 50 10 | 48 8.7 | 47 8.2 | 46 7.8 | 45 7.4 | 45 7.3 | 45 7.1 | 45 7 | 46 7.6 | 47 8.1 | 47 8.6 | 50 10.2 | 53 11.7 | 56 13.3 | 59 14.9 | 62 16.6 | 65 18.3 | 66 18.9 | 67 19.6 | 68 20.2 | 67 19.3 | 65 18.3 | 63 17.4 | 61 16.4 | 60 15.3 | 58 14.3 | 57 13.8 |
Source: CAMS, Vaisala Xweather
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