Pollutant Concentrations for May 2, 2024, 10:00 am EDT

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Air Pollutant 1-Hour Concentrations For May 2, 2024, 10:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
16
Barrie graph for O3
1
Barrie graph for PM2.5
1.8
Barrie graph for NO2
   
26
Belleville graph for O3
1
Belleville graph for PM2.5
1.6
Belleville graph for NO2
   
23
Brampton graph for O3
1
Brampton graph for PM2.5
1.8
Brampton graph for NO2
   
29
Brantford graph for O3
0
Brantford graph for PM2.5
2.9
Brantford graph for NO2
   
32
Burlington graph for O3
1
Burlington graph for PM2.5
2.7
Burlington graph for NO2
   
29
Chatham graph for O3
2
Chatham graph for PM2.5
1.9
Chatham graph for NO2
   
22
Cornwall graph for O3
6
Cornwall graph for PM2.5
2.7
Cornwall graph for NO2
   
18
Dorset graph for O3
1
Dorset graph for PM2.5
     
27
Grand Bend graph for O3
1
Grand Bend graph for PM2.5
1.1
Grand Bend graph for NO2
   
29
Guelph graph for O3
0
Guelph graph for PM2.5
0.5
Guelph graph for NO2
   
30
Hamilton Downtown graph for O3
2
Hamilton Downtown graph for PM2.5
3.9
Hamilton Downtown graph for NO2
0.9
Hamilton Downtown graph for SO2
0.17
Hamilton Downtown graph for CO
31
Hamilton Mountain graph for O3
2
Hamilton Mountain graph for PM2.5
3.6
Hamilton Mountain graph for NO2
1.4
Hamilton Mountain graph for SO2
 
28
Hamilton West graph for O3
2
Hamilton West graph for PM2.5
4.9
Hamilton West graph for NO2
   
29
Kingston graph for O3
2
Kingston graph for PM2.5
1.5
Kingston graph for NO2
   
28
Kitchener graph for O3
2
Kitchener graph for PM2.5
2.4
Kitchener graph for NO2
   
25
London graph for O3
3
London graph for PM2.5
3.3
London graph for NO2
   
28
Milton graph for O3
1
Milton graph for PM2.5
4.1
Milton graph for NO2
0.4
Milton graph for SO2
 
23
Mississauga graph for O3
1
Mississauga graph for PM2.5
2.9
Mississauga graph for NO2
   
19
Newmarket graph for O3
1
Newmarket graph for PM2.5
1.9
Newmarket graph for NO2
   
21
North Bay graph for O3
1
North Bay graph for PM2.5
1.1
North Bay graph for NO2
   
27
Oakville graph for O3
1
Oakville graph for PM2.5
2.9
Oakville graph for NO2
   
21
Oshawa graph for O3
1
Oshawa graph for PM2.5
0.5
Oshawa graph for NO2
   
23
Ottawa Downtown graph for O3
4
Ottawa Downtown graph for PM2.5
3
Ottawa Downtown graph for NO2
   
17
Parry Sound graph for O3
1
Parry Sound graph for PM2.5
2.1
Parry Sound graph for NO2
   
22
Peterborough graph for O3
1
Peterborough graph for PM2.5
1
Peterborough graph for NO2
   
24
Port Stanley graph for O3
3
Port Stanley graph for PM2.5
4
Port Stanley graph for NO2
   
29
Sarnia graph for O3
2
Sarnia graph for PM2.5
2.3
Sarnia graph for NO2
0.2
Sarnia graph for SO2
 
15
Sault Ste. Marie graph for O3
1
Sault Ste. Marie graph for PM2.5
3.7
Sault Ste. Marie graph for NO2
0.1
Sault Ste. Marie graph for SO2
 
30
St. Catharines graph for O3
1
St. Catharines graph for PM2.5
3.9
St. Catharines graph for NO2
   
17
Sudbury graph for O3
1
Sudbury graph for PM2.5
1.2
Sudbury graph for NO2
0
Sudbury graph for SO2
 
11
Thunder Bay graph for O3
1
Thunder Bay graph for PM2.5
1.2
Thunder Bay graph for NO2
   
23
Tiverton graph for O3
1
Tiverton graph for PM2.5
     
19
Toronto Downtown graph for O3
3
Toronto Downtown graph for PM2.5
8.4
Toronto Downtown graph for NO2
   
17
Toronto East graph for O3
3
Toronto East graph for PM2.5
5.5
Toronto East graph for NO2
   
20
Toronto North graph for O3
2
Toronto North graph for PM2.5
3.1
Toronto North graph for NO2
0
Toronto North graph for SO2
 
16
Toronto West graph for O3
1
Toronto West graph for PM2.5
6.9
Toronto West graph for NO2
0
Toronto West graph for SO2
0.18
Toronto West graph for CO
28
Windsor Downtown graph for O3
4
Windsor Downtown graph for PM2.5
6.8
Windsor Downtown graph for NO2
1.4
Windsor Downtown graph for SO2
0.24
Windsor Downtown graph for CO
30
Windsor West graph for O3
5
Windsor West graph for PM2.5
6.2
Windsor West graph for NO2
1.3
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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