St. Catharines, Ontario Weather Forecast | AerisWeather

Local

St. Catharines, ON, Canada

43.17126, -79.24267

Air Quality

Updated 3 minutes ago

41

Good

Primary Pollutant: O3

O3	90 µg/m3 (41)
PM2.5	7 µg/m3 (27)
PM10	21 µg/m3 (19)

CO	263 µg/m3 (3)
NO2	8 µg/m3 (4)
SO2	11 µg/m3 (6)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Tonawanda	0	PM2.5	0 (0)	n/a	n/a	n/a	n/a	n/a
Buffalo	16	PM2.5	3.9 (16)	n/a	n/a	n/a	n/a	n/a
Dunkirk	38	O3	n/a	n/a	n/a	84 (38)	n/a	n/a
Amherst	38	O3	n/a	n/a	n/a	84 (38)	n/a	n/a
Middleport	35	O3	n/a	n/a	n/a	76 (35)	n/a	n/a
St. Catharines	37	O3	2 (8)	n/a	5.64 (3)	82 (37)	n/a	n/a
Hamilton	33	PM2.5	8 (33)	n/a	23 (11)	59 (27)	n/a	n/a
Toronto	25	O3	2 (8)	n/a	21 (10)	55 (25)	n/a	n/a
Hamilton	30	O3	5 (21)	n/a	15 (7)	67 (30)	n/a	n/a
Toronto	25	O3	2 (8)	n/a	9.4 (5)	55 (25)	n/a	n/a

Source: New York Dept. of Environmental Conservation, Ontario Ministry of the Environment

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Thursday, May 2								Friday, May 3																								Saturday, May 4																								Sunday, May 5																								Monday, May 6
4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm
42	43	43	39	32	28	29	32	30	29	29	28	25	23	21	23	24	21	17	16	19	22	24	24	24	22	23	25	24	22	21	20	21	42	52	60	61	57	45	38	38	36	36	34	24	29	30	32	28	26	27	26	25	24	24	25	26	25	26	32	34	36	34	32	30	30	30	29	33	37	44	48	49	50	49	47	45	47	50	54	54	54	54	53	52	51	49	46	40	32	34	36	38	41	44	47	50
O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3

NE	E	E	E	E	ESE	SE	SE	SE	SE	SE	ESE	E	E	E	E	ENE	ENE	NE	NE	NNE	NNE	NNW	NNW	N	N	NW	NNE	NNE	NNE	W	NNW	N	ENE	ESE	NE	NNW	NNE	NE	ENE	ENE	E	E	ESE	ESE	ESE	SSE	SE	SE	SE	SE	SE	SE	SSE	SSE	S	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	SSW	SSW	SSW	SW	SW	WSW	WNW	WNW	WSW	SW	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	WSW	SW	WSW
2 2	3 5	5 7	6 9	6 10	7 11	6 10	6 9	6 10	6 9	6 9	6 9	6 10	6 10	6 10	7 11	5 8	5 8	6 9	5 9	7 11	8 12	7 12	7 12	7 11	5 8	5 8	4 7	1 2	0 0	6 9	5 8	4 6	3 4	2 4	1 1	1 2	2 3	4 6	5 8	4 7	4 6	4 6	4 6	3 5	1 2	1 1	2 4	2 4	2 3	3 5	6 10	7 11	7 11	8 13	8 14	8 12	7 11	6 10	6 10	6 10	6 10	6 10	6 10	7 11	7 12	9 14	10 15	10 16	10 15	10 17	10 17	8 13	8 13	4 7	3 4	3 5	5 7	6 10	7 12	7 11	6 10	7 11	7 11	5 8	5 8	4 7	4 7	4 7	4 7	5 8	5 8	4 7	4 6	3 5	4 7	4 6
65 18.3	65 18.5	65 18.4	65 18.2	62 16.9	59 15.2	57 14.2	56 13.4	54 12.5	53 11.9	53 11.6	52 11	51 10.5	51 10.4	51 10.4	51 10.6	55 12.5	58 14.4	60 15.8	62 16.5	61 16	57 13.9	59 14.8	56 13.4	60 15.3	53 11.6	52 11.3	50 10.1	50 10.2	51 10.5	53 11.4	50 10	50 10.2	51 10.5	51 10.8	51 10.7	51 10.7	52 10.9	52 11	52 11.3	53 11.6	54 12.3	56 13.2	57 14.1	57 14	57 14	57 14	58 14.2	58 14.4	58 14.6	58 14.4	58 14.3	57 14.1	57 13.9	56 13.6	56 13.4	56 13.4	56 13.5	56 13.6	57 13.7	57 13.9	57 14	57 14.1	58 14.2	58 14.3	58 14.7	59 15	60 15.4	61 16.2	63 17	64 17.8	64 18	65 18.2	65 18.4	64 17.8	63 17.1	62 16.5	60 15.5	58 14.5	56 13.5	54 12.5	53 11.5	51 10.5	50 10.3	50 10.1	50 9.9	51 10.4	51 10.8	52 11.3	54 12.1	55 12.9	57 13.8	58 14.6	60 15.4	61 16.3	63 17	64 17.6

Source: CAMS, Vaisala Xweather

Powered by Vaisala Xweather