Air Quality

Updated an hour ago

29

Good

Primary Pollutant: O3

O3 64 µg/m3 (29)
PM2.5 7 µg/m3 (29)
PM10 18 µg/m3 (16)
CO 203 µg/m3 (2)
NO2 8 µg/m3 (4)
SO2 1 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

37

O3 n/a n/a n/a 82 (37) n/a n/a
Dunstable

39

O3 n/a n/a n/a 86 (39) n/a n/a
Portsmouth

37

O3 3.8 (16) 10 (9) n/a 82 (37) n/a 2.62 (1)
Temple

38

O3 2.2 (9) 4 (4) n/a 84 (38) 115 (1) 0 (0)
New Castle

33

O3 n/a n/a n/a 72 (33) n/a n/a
Londonderry

36

O3 3.2 (13) 8 (7) n/a 80 (36) 115 (1) 1.572 (1)
Lowell

29

O3 2.8 (12) n/a 15 (7) 64 (29) n/a n/a
South Boston

13

PM2.5 3.2 (13) n/a 9.4 (5) n/a 344 (3) n/a
Cherry Valley

33

O3 n/a n/a n/a 72 (33) n/a n/a

Source: AirNow (EPA), 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)
Friday, Apr 19Saturday, Apr 20Sunday, Apr 21Monday, Apr 22Tuesday, Apr 23
8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm
31303029292626252424242321212326303334363637353229292727282827262522222324283031303032343433343331282728272726262628282834373839404044444547484745445054555352504646464642424445464851515253504847
O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3
SSSSSSWSSWSSWSSWSSWSSWSSWSSWSWSWSWSWWSWWWWWNWWWWWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWWNWWNWWWSWWSWWWWWWWWWWWWSWWSWWSWWSWWWWWNWNWNWNWNWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWWWNWWNWWNWWNWWNWWNWWNWWSWSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSS
8 13 9 14 8 14 8 13 8 13 8 13 7 12 7 12 7 12 7 11 6 10 7 11 6 9 5 8 5 8 4 7 5 9 6 9 6 10 7 11 9 15 9 15 10 16 9 14 9 14 9 15 9 15 8 13 8 13 8 14 7 12 7 11 7 11 7 11 6 10 7 11 7 12 8 12 8 12 9 14 11 17 12 19 12 19 12 20 13 20 12 20 11 18 10 16 9 15 8 13 7 12 8 12 8 13 8 13 9 14 9 14 9 14 8 13 7 12 7 12 8 14 9 14 9 14 8 13 9 14 9 15 9 15 10 15 10 15 9 14 7 11 5 8 4 6 2 4 3 5 4 6 4 6 4 6 4 6 4 6 3 5 2 4 2 3 3 4 4 7 6 10 8 14 10 16 10 16 11 18 13 21 14 22 14 22 12 20 12 20 12 19 11 18
51 10.5 49 9.7 48 8.9 47 8.4 48 8.8 48 8.9 48 9 48 9 48 9.1 49 9.3 49 9.4 49 9.4 48 9 49 9.3 49 9.6 50 10 51 10.5 51 10.7 54 12.1 54 12.5 53 11.8 52 11.3 52 11.3 53 11.5 52 11.1 48 8.8 45 7.4 43 6.3 42 5.4 40 4.6 39 3.8 38 3.2 37 2.6 36 2 35 1.4 36 2.3 41 4.8 45 7.5 48 9.1 51 10.8 52 11.3 53 11.9 54 12.4 54 12.2 54 12 53 11.9 52 10.9 50 10 48 9 46 8 44 6.9 42 5.8 42 5.5 41 5.3 41 5.1 40 4.7 40 4.3 39 3.9 40 4.4 41 5 42 5.6 44 6.5 45 7.4 47 8.2 48 9.2 50 10.1 52 11 52 11 52 11 52 10.9 49 9.7 47 8.4 45 7.2 43 6.2 41 5.1 39 4.1 38 3.5 37 2.8 36 2.1 35 1.4 33 0.7 32 0 35 1.5 37 3 40 4.5 44 6.7 48 9 52 11.2 54 12.3 56 13.4 58 14.5 58 14.4 58 14.4 58 14.3 56 13.1 53 11.8 51 10.6

Source: CAMS, Vaisala Xweather

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