Good
Primary Pollutant: O3
O3 | 65 µg/m3 (29) |
PM2.5 | 5 µg/m3 (20) |
PM10 | 10 µg/m3 (9) |
CO | 306 µg/m3 (3) |
NO2 | 9 µg/m3 (4) |
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 | 26 |
O3 | n/a | n/a | n/a | 58 (26) | n/a | n/a |
Dunstable | 27 |
O3 | n/a | n/a | n/a | 60 (27) | n/a | n/a |
Temple | 1 |
CO | 0 (0) | 0 (0) | n/a | n/a | 115 (1) | 0 (0) |
Londonderry | 29 |
O3 | 3 (12) | 5 (5) | n/a | 64 (29) | 115 (1) | 1.572 (1) |
Lowell | 24 |
PM2.5 | 5.9 (24) | n/a | 17 (8) | 36 (16) | n/a | n/a |
South Boston | 29 |
PM2.5 | 7 (29) | n/a | 13 (6) | n/a | 344 (3) | n/a |
Chicopee | 22 |
O3 | 2.7 (11) | n/a | 1.88 (1) | 48 (22) | n/a | n/a |
Greenfield | 21 |
O3 | 3.1 (13) | n/a | n/a | 46 (21) | n/a | n/a |
Belchertown | 27 |
O3 | 0.5 (2) | 0 (0) | 0 (0) | 60 (27) | n/a | 1.048 (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) |
Saturday, Apr 20 | Sunday, Apr 21 | Monday, Apr 22 | Tuesday, Apr 23 | Wednesday, Apr 24 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 8am | 9am | 10am |
30 | 31 | 34 | 32 | 31 | 34 | 37 | 37 | 36 | 35 | 35 | 35 | 33 | 34 | 33 | 33 | 29 | 29 | 28 | 26 | 26 | 25 | 23 | 26 | 29 | 30 | 29 | 30 | 32 | 34 | 34 | 34 | 33 | 32 | 30 | 30 | 31 | 30 | 31 | 32 | 32 | 30 | 30 | 30 | 29 | 28 | 31 | 33 | 34 | 37 | 40 | 42 | 44 | 46 | 45 | 45 | 44 | 43 | 57 | 55 | 46 | 37 | 28 | 27 | 28 | 27 | 29 | 28 | 36 | 38 | 37 | 40 | 43 | 45 | 47 | 48 | 49 | 50 | 50 | 51 | 50 | 49 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 45 | 44 | 42 | 40 | 38 |
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 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 |
WSW | WSW | WSW | WSW | WSW | W | WSW | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | WNW | WNW | W | W | W | W | W | W | W | W | W | WNW | W | W | W | WNW | WNW | W | W | W | W | W | W | WNW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | WSW | WSW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | SSW | SSW | SSW | SSW |
4 6 | 4 6 | 4 7 | 7 11 | 8 13 | 9 14 | 9 14 | 10 16 | 10 16 | 12 19 | 12 19 | 11 19 | 11 18 | 11 17 | 10 16 | 10 16 | 9 15 | 9 15 | 9 15 | 9 14 | 8 13 | 8 13 | 9 15 | 9 15 | 9 14 | 9 14 | 10 16 | 11 18 | 13 20 | 13 21 | 12 20 | 11 18 | 10 17 | 9 15 | 8 13 | 8 14 | 9 15 | 11 17 | 10 16 | 8 13 | 8 13 | 8 13 | 8 13 | 8 13 | 8 12 | 7 11 | 9 14 | 9 14 | 9 15 | 9 15 | 9 15 | 10 16 | 11 17 | 11 17 | 10 16 | 10 16 | 8 13 | 6 10 | 5 8 | 5 8 | 6 9 | 5 9 | 5 8 | 5 8 | 5 8 | 5 8 | 5 8 | 5 8 | 4 7 | 4 6 | 4 7 | 6 9 | 7 11 | 8 13 | 9 14 | 10 16 | 11 17 | 12 19 | 12 20 | 13 21 | 13 21 | 12 19 | 11 17 | 11 17 | 10 16 | 10 16 | 10 16 | 10 16 | 10 16 | 10 16 | 10 15 | 10 17 | 10 16 | 10 17 | 11 17 | 11 18 | 12 19 |
48 9 | 49 9.5 | 51 10.4 | 53 11.6 | 54 12 | 56 13.1 | 59 14.8 | 59 14.9 | 52 11 | 46 7.5 | 45 7.1 | 43 5.9 | 41 5.1 | 40 4.2 | 38 3.4 | 37 2.7 | 36 2.2 | 35 1.8 | 35 1.4 | 34 1.2 | 34 0.9 | 35 1.7 | 39 3.8 | 42 5.7 | 45 7.3 | 47 8.4 | 49 9.3 | 50 9.8 | 50 10 | 50 10.3 | 49 9.7 | 48 9.1 | 47 8.4 | 46 7.6 | 44 6.5 | 42 5.6 | 40 4.7 | 39 3.9 | 38 3.2 | 37 2.6 | 36 2.1 | 37 3 | 37 2.7 | 36 2.5 | 38 3.2 | 39 3.8 | 40 4.4 | 42 5.4 | 44 6.4 | 45 7.4 | 47 8.3 | 48 9.1 | 50 10 | 51 10.5 | 52 10.9 | 52 11.4 | 50 10 | 47 8.6 | 45 7.2 | 43 5.9 | 40 4.6 | 38 3.3 | 37 2.9 | 36 2.4 | 35 1.9 | 34 1.2 | 33 0.6 | 32 -0.1 | 35 1.5 | 37 3 | 40 4.6 | 44 6.7 | 48 8.8 | 52 10.9 | 53 11.7 | 55 12.6 | 56 13.5 | 57 13.7 | 57 14 | 58 14.3 | 55 12.8 | 52 11.4 | 50 9.9 | 48 8.7 | 45 7.4 | 43 6.1 | 43 6 | 42 5.8 | 42 5.7 | 42 5.6 | 42 5.6 | 42 5.6 | 43 6.1 | 44 6.6 | 45 7.1 | 47 8.4 | 50 9.8 |
Source: CAMS, Vaisala Xweather
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