Air Quality

Updated an hour ago

29

Good

Primary Pollutant: PM2.5

O3 45 µg/m3 (21)
PM2.5 7 µg/m3 (29)
PM10 13 µg/m3 (12)
CO 228 µg/m3 (2)
NO2 17 µg/m3 (8)
SO2 3 µg/m3 (1)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station AQI Primary Pollutant PM2.5 (AQI) PM10 (AQI) NO2 (AQI) OZONE (AQI) CO (AQI) SO2 (AQI)
Concord

27

O3 n/a n/a n/a 59 (27) n/a n/a
Dunstable

33

O3 n/a n/a n/a 73 (33) n/a n/a
Portsmouth

25

O3 5.8 (24) 13 (12) n/a 55 (25) n/a 3.144 (2)
Temple

36

O3 2.2 (9) 2 (2) n/a 78 (36) 0 (0) 0 (0)
New Castle

24

O3 n/a n/a n/a 53 (24) n/a n/a
Londonderry

37

O3 4.2 (17) 10 (9) n/a 80 (37) 115 (1) 1.834 (1)
Lowell

22

PM2.5 5.3 (22) n/a 34 (17) 29 (13) n/a n/a
South Boston

25

PM2.5 6 (25) n/a 28 (14) n/a 458 (4) n/a
Cherry Valley

24

O3 n/a n/a n/a 53 (24) n/a n/a

Source: New Hampshire Dept. of Environmental Services, Massachusetts Dept. of Environmental Protection

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Wednesday, May 15Thursday, May 16Friday, May 17Saturday, May 18Sunday, May 19
9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am
29282729313638403836353534302929303836292925252525252929313537383838383429262929292523212521242527283336384040404241413831272426262424222226262627283030313231302928262423222222222222222223242627
PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3
SSWSWSWSWSSWSSWSSWSSSESSESEESEESEESEESEEESEEENEENEENEENEENEENEENEENEENEENEENENENENENENENENENENENENENENENENNENNENNNENENEENEENEEEEEEEEEEEENEENEENENENENENENENEENEENEEEEEEEEEEEEEEEEENEENEENEENENENENEENEENEENE
5 7 5 8 5 8 5 8 4 7 5 7 3 5 2 4 3 4 3 5 3 4 3 5 5 8 5 8 5 8 4 7 5 8 5 8 4 7 6 9 7 11 7 11 7 11 8 12 8 13 8 14 9 15 10 16 10 16 9 14 9 14 8 13 8 13 7 11 6 10 6 9 5 8 5 8 5 8 5 8 5 7 5 7 5 7 4 7 5 7 5 8 4 7 5 8 5 8 6 9 7 11 8 12 8 13 8 14 8 12 8 12 7 12 7 11 6 10 6 9 5 8 4 7 4 6 3 6 4 6 4 6 4 6 4 6 4 6 4 6 5 8 5 9 6 9 6 9 6 10 6 10 7 11 7 11 7 11 7 11 6 10 6 10 6 10 6 9 5 9 5 8 5 8 5 8 4 7 5 7 4 7 4 7 5 7 5 8 6 10 6 10 6 10
69 20.5 71 21.6 74 23.3 76 24.3 76 24.6 77 24.7 76 24.5 73 22.6 69 20.8 68 20.1 67 19.5 66 18.6 64 17.7 63 17.4 62 16.9 62 16.8 62 16.9 62 16.7 60 15.6 58 14.5 58 14.2 57 14.1 57 13.8 57 13.8 57 13.8 57 13.9 57 14 57 14 57 14.1 57 14.1 57 14 57 14 57 13.9 56 13.6 56 13.5 56 13.5 56 13.5 56 13.5 56 13.6 56 13.6 56 13.5 56 13.1 53 11.8 53 11.5 52 11.1 54 12.3 56 13.5 58 14.6 61 16.3 64 18 67 19.7 68 20.1 69 20.6 70 21 70 21 70 21 70 21 67 19.5 64 18.1 62 16.6 59 15 56 13.5 54 12 53 11.5 52 11 51 10.6 51 10.4 50 10.3 50 10.1 51 10.7 53 11.4 54 12 55 12.9 57 13.8 58 14.7 60 15.7 62 16.8 64 17.8 64 17.8 64 17.7 64 17.7 62 16.7 60 15.8 59 14.8 56 13.5 54 12.2 52 10.9 51 10.7 51 10.5 51 10.3 50 10.2 50 10.2 50 10.1 51 10.6 52 11.2 53 11.8 55 12.5

Source: CAMS, Vaisala Xweather

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