Pollutant Concentrations for October 14, 2024, 1:00 am EDT

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Air Pollutant 1-Hour Concentrations For October 14, 2024, 1:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
22
Barrie graph for O3
3
Barrie graph for PM2.5
0.7
Barrie graph for NO2
   
22
Belleville graph for O3
2
Belleville graph for PM2.5
1.4
Belleville graph for NO2
   
Brampton graph for O3
Brampton graph for PM2.5
Brampton graph for NO2
   
27
Brantford graph for O3
3
Brantford graph for PM2.5
2.4
Brantford graph for NO2
   
29
Burlington graph for O3
2
Burlington graph for PM2.5
0.8
Burlington graph for NO2
   
31
Chatham graph for O3
2
Chatham graph for PM2.5
1.2
Chatham graph for NO2
   
14
Cornwall graph for O3
5
Cornwall graph for PM2.5
3.7
Cornwall graph for NO2
   
23
Dorset graph for O3
1
Dorset graph for PM2.5
     
30
Grand Bend graph for O3
3
Grand Bend graph for PM2.5
0.8
Grand Bend graph for NO2
   
21
Guelph graph for O3
2
Guelph graph for PM2.5
2.8
Guelph graph for NO2
   
25
Hamilton Downtown graph for O3
3
Hamilton Downtown graph for PM2.5
6.4
Hamilton Downtown graph for NO2
6.3
Hamilton Downtown graph for SO2
0.25
Hamilton Downtown graph for CO
24
Hamilton Mountain graph for O3
3
Hamilton Mountain graph for PM2.5
5.3
Hamilton Mountain graph for NO2
2.6
Hamilton Mountain graph for SO2
 
27
Hamilton West graph for O3
2
Hamilton West graph for PM2.5
2.9
Hamilton West graph for NO2
   
20
Kingston graph for O3
3
Kingston graph for PM2.5
2.5
Kingston graph for NO2
   
23
Kitchener graph for O3
2
Kitchener graph for PM2.5
3.5
Kitchener graph for NO2
   
27
London graph for O3
3
London graph for PM2.5
1.3
London graph for NO2
   
24
Milton graph for O3
2
Milton graph for PM2.5
2.8
Milton graph for NO2
0.2
Milton graph for SO2
 
21
Mississauga graph for O3
2
Mississauga graph for PM2.5
2.6
Mississauga graph for NO2
   
22
Newmarket graph for O3
2
Newmarket graph for PM2.5
1
Newmarket graph for NO2
   
26
North Bay graph for O3
2
North Bay graph for PM2.5
0
North Bay graph for NO2
   
24
Oakville graph for O3
2
Oakville graph for PM2.5
1.6
Oakville graph for NO2
   
23
Oshawa graph for O3
2
Oshawa graph for PM2.5
0.7
Oshawa graph for NO2
   
Ottawa Downtown graph for O3
Ottawa Downtown graph for PM2.5
Ottawa Downtown graph for NO2
   
24
Parry Sound graph for O3
1
Parry Sound graph for PM2.5
0.3
Parry Sound graph for NO2
   
21
Peterborough graph for O3
2
Peterborough graph for PM2.5
0.4
Peterborough graph for NO2
   
31
Port Stanley graph for O3
2
Port Stanley graph for PM2.5
0.8
Port Stanley graph for NO2
   
35
Sarnia graph for O3
3
Sarnia graph for PM2.5
1.4
Sarnia graph for NO2
0.1
Sarnia graph for SO2
 
30
Sault Ste. Marie graph for O3
1
Sault Ste. Marie graph for PM2.5
0.5
Sault Ste. Marie graph for NO2
0
Sault Ste. Marie graph for SO2
 
28
St. Catharines graph for O3
2
St. Catharines graph for PM2.5
0.8
St. Catharines graph for NO2
   
25
Sudbury graph for O3
1
Sudbury graph for PM2.5
1.5
Sudbury graph for NO2
0.2
Sudbury graph for SO2
 
11
Thunder Bay graph for O3
4
Thunder Bay graph for PM2.5
5.8
Thunder Bay graph for NO2
   
22
Tiverton graph for O3
2
Tiverton graph for PM2.5
     
14
Toronto Downtown graph for O3
2
Toronto Downtown graph for PM2.5
8.6
Toronto Downtown graph for NO2
   
20
Toronto East graph for O3
2
Toronto East graph for PM2.5
2
Toronto East graph for NO2
   
21
Toronto North graph for O3
2
Toronto North graph for PM2.5
1
Toronto North graph for NO2
0
Toronto North graph for SO2
 
19
Toronto West graph for O3
3
Toronto West graph for PM2.5
Toronto West graph for NO2
0
Toronto West graph for SO2
0.17
Toronto West graph for CO
20
Windsor Downtown graph for O3
8
Windsor Downtown graph for PM2.5
7.7
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
0.22
Windsor Downtown graph for CO
20
Windsor West graph for O3
9
Windsor West graph for PM2.5
9.1
Windsor West graph for NO2
0
Windsor West graph for SO2
 

Order by Station Location (East to West)

Note: 
Ontario 1-hour AAQC for O3 = 80 ppb
Ontario 1-hour AAQC for NO2 = 200 ppb
Ontario 1-hour AAQC for SO2 = 40 ppb
Ontario 1-hour AAQC for CO = 30 ppm

Note: The pollutant concentrations on this web page are based on automatically
polled data and have not undergone final verification.

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