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Primary Pollutant: O3
O3 | 31 µg/m3 (14) |
PM2.5 | 3 µg/m3 (14) |
PM10 | 5 µg/m3 (5) |
CO | 57 µg/m3 (1) |
NO2 | 1 µg/m3 (0) |
SO2 | 0 µg/m3 (0) |
Source: AirNow (EPA), New Hampshire Dept. of Environmental Services, US EPA AirNow, OpenAQ, CAMS
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Temple | 29 |
O3 | 3.1 (13) | 5 (5) | n/a | 64 (29) | 115 (1) | 0.786 (0) |
Londonderry | 27 |
O3 | 3.7 (15) | 7 (6) | n/a | 60 (27) | 115 (1) | n/a |
Lowell | 27 |
O3 | 3 (12) | n/a | 1.88 (1) | 60 (27) | n/a | n/a |
Haverhill | 55 |
PM2.5 | 14 (55) | n/a | n/a | 60 (27) | n/a | n/a |
Greenfield | 27 |
O3 | 4 (17) | n/a | n/a | 60 (27) | n/a | n/a |
Belchertown | 29 |
O3 | 3 (12) | 6 (5) | 0 (0) | 64 (29) | n/a | 1.048 (0) |
North Chelmsford | 27 |
O3 | n/a | n/a | n/a | 60 (27) | n/a | n/a |
Cherry Valley | 27 |
O3 | n/a | n/a | n/a | 60 (27) | n/a | n/a |
Worcester | 25 |
PM2.5 | 6 (25) | n/a | 5.64 (3) | n/a | 115 (1) | 0.786 (0) |
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) |
Saturday, Feb 4 | Sunday, Feb 5 | Monday, Feb 6 | Tuesday, Feb 7 | Wednesday, Feb 8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 |
15 | 15 | 15 | 15 | 15 | 15 | 18 | 18 | 18 | 18 | 18 | 17 | 19 | 20 | 21 | 27 | 35 | 37 | 36 | 33 | 31 | 29 | 29 | 28 | 28 | 28 | 29 | 31 | 32 | 34 | 36 | 38 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 41 | 35 | 21 | 15 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 18 | 20 | 21 | 24 | 29 | 32 | 35 | 35 | 36 | 40 | 36 | 34 | 34 | 35 | 35 | 34 | 31 | 28 | 29 | 32 | 34 | 35 | 32 | 32 | 35 | 38 | 40 | 41 | 41 | 38 | 26 | 14 |
O3 | 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 | 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 | PM2.5 | 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 | 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 |
W | WSW | W | W | W | W | W | W | W | WSW | WSW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | W | W | W | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | N | N | N | NE | NE | NE | NE | NE | NE | ESE | ESE | ESE | ESE | ESE | ESE | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW |
9 15 | 9 14 | 10 15 | 10 16 | 11 17 | 11 17 | 11 18 | 11 18 | 10 16 | 9 14 | 8 13 | 7 12 | 7 11 | 6 10 | 7 12 | 9 14 | 10 15 | 10 16 | 11 17 | 11 18 | 12 19 | 12 20 | 13 21 | 13 22 | 14 22 | 15 23 | 15 23 | 16 25 | 16 25 | 16 25 | 15 24 | 15 24 | 15 23 | 14 22 | 13 22 | 15 24 | 17 27 | 18 30 | 18 29 | 18 28 | 17 28 | 16 26 | 15 24 | 13 22 | 12 19 | 10 17 | 9 14 | 9 14 | 9 14 | 9 14 | 10 16 | 11 18 | 12 20 | 13 20 | 13 21 | 13 22 | 13 21 | 13 20 | 12 20 | 11 18 | 10 16 | 9 14 | 8 13 | 7 11 | 6 9 | 4 7 | 3 5 | 2 4 | 2 4 | 2 4 | 2 4 | 2 4 | 2 4 | 2 4 | 4 6 | 5 8 | 7 11 | 8 13 | 10 16 | 11 18 | 11 18 | 11 17 | 11 17 | 10 17 | 10 16 | 10 16 | 10 16 | 10 17 | 11 17 | 11 17 | 11 18 | 11 18 | 11 18 | 11 17 | 11 17 | 10 17 | 10 16 |
-15 -26 | -15 -26 | -12 -25 | -8 -22 | -5 -21 | -2 -19 | 1 -17 | 5 -15 | 6 -14 | 8 -14 | 9 -13 | 9 -13 | 9 -13 | 9 -13 | 8 -14 | 7 -14 | 5 -15 | 7 -14 | 8 -13 | 9 -13 | 11 -12 | 13 -11 | 14 -10 | 15 -9 | 16 -9 | 18 -8 | 21 -6 | 25 -4 | 27 -3 | 30 -1 | 33 0 | 35 2 | 36 2 | 36 2 | 36 2 | 36 2 | 35 2 | 35 1 | 34 1 | 34 1 | 33 1 | 33 1 | 33 0 | 33 0 | 32 0 | 32 0 | 31 -1 | 31 -1 | 31 -1 | 30 -1 | 33 1 | 36 2 | 39 4 | 39 4 | 40 5 | 41 5 | 40 5 | 39 4 | 38 3 | 35 2 | 32 0 | 29 -2 | 27 -3 | 26 -3 | 24 -4 | 23 -5 | 21 -6 | 20 -7 | 18 -8 | 17 -8 | 16 -9 | 15 -9 | 14 -10 | 13 -11 | 16 -9 | 20 -7 | 24 -5 | 27 -3 | 31 -1 | 35 1 | 35 2 | 35 2 | 35 2 | 36 2 | 36 2 | 36 2 | 36 2 | 35 2 | 35 2 | 35 2 | 34 1 | 34 1 | 34 1 | 33 1 | 33 1 | 33 0 | 32 0 |
Source: CAMS
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