43.25011, -79.84963

Air Quality

Updated an hour ago

50

Good

Primary Pollutant: PM2.5

O3 47 µg/m3 (21)
PM2.5 12 µg/m3 (50)
PM10 26 µg/m3 (24)
CO 371 µg/m3 (4)
NO2 10 µg/m3 (5)
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)
St. Catharines

25

PM2.5 6 (25) n/a 13 (6) 39 (18) n/a n/a
Hamilton

45

PM2.5 11 (45) n/a 28 (14) 47 (21) n/a n/a
Brantford

27

O3 0 (0) n/a 13 (6) 59 (27) n/a n/a
Kitchener

23

O3 5 (21) n/a 19 (9) 51 (23) n/a n/a
Toronto

26

O3 3 (12) n/a 34 (17) 57 (26) n/a n/a
Hamilton

41

PM2.5 10 (41) n/a 28 (14) 35 (16) n/a n/a
Toronto

29

O3 5 (21) n/a 13 (6) 65 (29) n/a n/a
Hamilton

37

PM2.5 9 (37) n/a 47 (23) 24 (11) n/a n/a
Guelph

25

O3 5 (21) n/a 13 (6) 55 (25) n/a n/a
Hamilton

25

PM2.5 6 (25) n/a 17 (8) 53 (24) n/a n/a

Source: Ontario Ministry of the Environment

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Friday, May 3Saturday, May 4Sunday, May 5Monday, May 6Tuesday, May 7
8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm
48504743496968707278828167493430303439473939393239524223222424222120181817161617202527283228312922191717182125282426262625272929354139566163646362606060595452504744393634333446525659575656565448
PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5
ENENNENENNENEENENNNNEENENENENEENEEEESEESEESEESESESESESESESSESSESSESSESSESSESSSESSESSESSESSSSSSWSSWSWSWSWSSWSSSWWWNWWWSWWNWNWNWNWNWNWNWNWNNWNENEEESESSEESEESEESESESESSEENENENNENENENENENENNENNENENEENEENEENEENEENEENEENEENEENEENENE
4 6 4 7 4 7 4 7 2 4 2 3 3 4 3 5 4 6 4 7 4 7 4 7 4 7 5 8 4 7 4 6 5 8 6 10 7 12 8 14 9 14 8 13 7 12 6 10 5 8 4 7 7 11 8 12 8 13 7 12 7 12 7 11 7 11 6 10 5 9 5 8 5 9 5 8 7 11 7 11 7 12 7 12 7 11 5 9 4 6 2 4 2 3 2 3 2 3 2 4 1 1 1 2 2 3 4 7 6 10 6 10 6 9 5 8 4 7 3 6 3 5 2 4 1 1 1 2 1 2 1 1 1 1 0 1 1 2 2 3 2 4 3 5 4 6 2 3 1 2 4 7 5 8 6 9 5 9 5 8 6 9 5 9 5 9 6 9 6 10 8 13 9 14 10 16 10 16 9 15 9 15 10 16 9 15 10 16 9 14 7 12 7 10
54 12.3 53 11.7 53 11.8 54 12.3 54 12.4 55 12.5 55 12.7 55 12.7 55 12.8 55 12.5 53 11.9 53 11.7 55 12.6 57 13.7 59 15 60 15.6 61 16 62 16.9 62 16.7 60 15.7 61 15.9 61 16.2 60 15.6 58 14.3 56 13.4 55 12.9 55 13 57 13.6 58 14.3 58 14.4 58 14.5 58 14.5 58 14.4 57 14.1 58 14.2 58 14.4 59 15.1 59 15 60 15.3 60 15.7 61 16.3 62 16.9 64 17.6 65 18.4 67 19.2 68 20.1 66 19 64 18 62 16.9 61 16.2 60 15.5 59 14.8 57 13.8 55 12.8 53 11.9 52 11.2 51 10.5 50 9.9 51 10.4 52 10.9 52 11.3 54 12.4 56 13.6 58 14.7 60 15.8 63 17 64 18.1 65 18.2 65 18.4 65 18.6 64 17.7 62 16.8 61 15.9 58 14.5 55 13 53 11.7 52 10.9 50 10.1 49 9.3 48 8.9 47 8.5 47 8.1 48 9.1 50 10.1 52 11.2 53 11.9 55 12.7 56 13.4 57 14 58 14.7 59 15.3 59 15.1 59 15 59 14.8 57 13.8 55 12.8 53 11.7

Source: CAMS, Vaisala Xweather

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