Current Pollutant Concentrations

Air Pollutant 1-Hour Concentrations For Tuesday, April 15, 2014, 11:00 pm

Station	O3 (ppb)	PM2.5 (µg/m3)	NO2 (ppb)	SO2 (ppb)	CO (ppm)
Barrie	41	4	3
Belleville	34	5	1
Brampton	38	5	4
Brantford	N/A	N/A	N/A
Burlington	32	5	6
Chatham	37	4	4
Cornwall	30	3	2
Dorset	35	4
Grand Bend	40	7	0
Guelph	37	5	3
Hamilton Downtown	29	5	8	4	.19
Hamilton Mountain	39	4	3	0
Hamilton West	30	6	13
Kingston	35	4	1
Kitchener	36	5	3
London	33	5	9
Mississauga	37	3	3	2
Morrisburg	34	5
Newmarket	40	4	2
North Bay	29	4	6
Oakville	40	4	2
Oshawa	40	4	2
Ottawa Central	34	1	2
Ottawa Downtown	N/A	3	2	N/A	.15
Parry Sound	37	5	1
Petawawa	39	3
Peterborough	34	5	2
Port Stanley	37	5
Sarnia	38	4	1	0
Sault Ste Marie	28	8	6	0
St. Catharines	40	3	3
Sudbury	36	6	5	0
Thunder Bay	33	5	7
Tiverton	38	4	0
Toronto Downtown	36	5	7
Toronto East	35	4	8
Toronto North	38	4	4
Toronto West	32	3	11	0	.2
Windsor Downtown	31	4	12	0	.24
Windsor West	31	4	12	0

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 = 250 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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