|
Canada Air Pollutants: Daily Avg: O3: Dorset (ppb)
|
36.100
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Thunder Bay (ppb)
|
17.300
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Tiverton (ppb)
|
33.700
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Toronto East (ppb)
|
20.600
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Toronto North (ppb)
|
23.800
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Windsor Downtown (ppb)
|
17.800
14 Feb 2026
|
daily
|
01 Jan 2002 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Windsor West (ppb)
|
17.600
14 Feb 2026
|
daily
|
01 Jan 2002 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Brampton (mg/Cub m)
|
13.700
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Burlington (mg/Cub m)
|
19.500
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Chatham (mg/Cub m)
|
22.200
14 Feb 2026
|
daily
|
01 Jan 2005 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Cornwall (mg/Cub m)
|
9.200
14 Feb 2026
|
daily
|
16 Apr 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Dorset (mg/Cub m)
|
6.800
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Grand Bend (mg/Cub m)
|
27.700
14 Feb 2026
|
daily
|
24 Apr 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Guelph (mg/Cub m)
|
17.700
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Hamilton Mountain (mg/Cub m)
|
20.000
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Hamilton West (mg/Cub m)
|
18.800
14 Feb 2026
|
daily
|
28 Mar 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Kingston (mg/Cub m)
|
12.800
14 Feb 2026
|
daily
|
12 Mar 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Kitchener (mg/Cub m)
|
17.900
14 Feb 2026
|
daily
|
02 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: London (mg/Cub m)
|
34.700
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Milton (mg/Cub m)
|
17.800
14 Feb 2026
|
daily
|
24 Dec 2018 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Mississauga (mg/Cub m)
|
16.300
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Oakville (mg/Cub m)
|
16.900
14 Feb 2026
|
daily
|
30 May 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Oshawa (mg/Cub m)
|
17.100
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Ottawa Downtown (mg/Cub m)
|
7.800
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Parry Sound (mg/Cub m)
|
10.700
14 Feb 2026
|
daily
|
03 Apr 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Peterborough (mg/Cub m)
|
12.500
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Port Stanley (mg/Cub m)
|
29.700
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Sarnia (mg/Cub m)
|
22.900
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Sault Ste. Marie (mg/Cub m)
|
5.800
14 Feb 2026
|
daily
|
12 Jun 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: St. Catharines (mg/Cub m)
|
19.300
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Sudbury (mg/Cub m)
|
4.300
14 Feb 2026
|
daily
|
28 Jun 2004 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Thunder Bay (mg/Cub m)
|
11.500
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Toronto Downtown (mg/Cub m)
|
19.500
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Toronto North (mg/Cub m)
|
18.200
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Windsor Downtown (mg/Cub m)
|
37.000
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: PM2.5: Windsor West (mg/Cub m)
|
25.300
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: Nitrogen Dioxide (NO2): Barrie (ppb)
|
7.500
14 Feb 2026
|
daily
|
01 Jan 2002 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Brantford (ppb)
|
5.900
14 Feb 2026
|
daily
|
01 Jan 2004 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Guelph (ppb)
|
10.600
14 Feb 2026
|
daily
|
30 Jul 2001 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Hamilton Downtown (ppb)
|
13.500
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Hamilton Mountain (ppb)
|
10.500
14 Feb 2026
|
daily
|
26 Apr 2001 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Kitchener (ppb)
|
13.400
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: London (ppb)
|
16.200
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Mississauga (ppb)
|
16.200
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Ottawa Downtown (ppb)
|
7.900
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Port Stanley (ppb)
|
6.100
14 Feb 2026
|
daily
|
16 Dec 2014 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Sarnia (ppb)
|
12.900
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: St. Catharines (ppb)
|
12.600
14 Feb 2026
|
daily
|
11 Mar 2005 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Thunder Bay (ppb)
|
13.900
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Toronto East (ppb)
|
20.900
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Windsor Downtown (ppb)
|
21.700
14 Feb 2026
|
daily
|
01 Jan 2002 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: NO2: Windsor West (ppb)
|
21.300
14 Feb 2026
|
daily
|
01 Jan 2002 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: Ozone (O3): Barrie (ppb)
|
31.600
14 Feb 2026
|
daily
|
01 Jan 2002 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Belleville (ppb)
|
36.800
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Brampton (ppb)
|
28.500
14 Feb 2026
|
daily
|
30 Jul 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Brantford (ppb)
|
27.100
14 Feb 2026
|
daily
|
01 Jan 2004 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Burlington (ppb)
|
27.300
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Chatham (ppb)
|
35.300
14 Feb 2026
|
daily
|
01 Jan 2005 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Cornwall (ppb)
|
39.800
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Grand Bend (ppb)
|
32.500
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Guelph (ppb)
|
29.300
14 Feb 2026
|
daily
|
10 Jul 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Hamilton Downtown (ppb)
|
26.100
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Hamilton Mountain (ppb)
|
28.300
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Hamilton West (ppb)
|
23.200
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Kingston (ppb)
|
36.700
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Kitchener (ppb)
|
26.800
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: London (ppb)
|
24.800
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Milton (ppb)
|
25.200
14 Feb 2026
|
daily
|
24 Dec 2018 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Mississauga (ppb)
|
22.700
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Newmarket (ppb)
|
33.000
14 Feb 2026
|
daily
|
01 Jan 2002 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: North Bay (ppb)
|
32.800
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Oakville (ppb)
|
29.200
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Oshawa (ppb)
|
27.000
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Ottawa Downtown (ppb)
|
32.700
14 Feb 2026
|
daily
|
01 Jan 2000 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Parry Sound (ppb)
|
31.200
14 Feb 2026
|
daily
|
31 Mar 2001 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Peterborough (ppb)
|
34.200
14 Feb 2026
|
daily
|
01 Jan 2002 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Port Stanley (ppb)
|
33.800
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Sault Ste. Marie (ppb)
|
27.000
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: St. Catharines (ppb)
|
27.300
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|
|
Canada Air Pollutants: Daily Avg: O3: Sudbury (ppb)
|
28.100
14 Feb 2026
|
daily
|
01 Jan 2003 - 14 Feb 2026
|