St. Catharines, Ontario Weather Forecast | AerisWeather

Local

St. Catharines, ON, Canada

43.17126, -79.24267

Air Quality

Updated 30 minutes ago

69

Moderate

Primary Pollutant: PM2.5

O3	25 µg/m3 (12)
PM2.5	21 µg/m3 (69)
PM10	25 µg/m3 (23)

CO	397 µg/m3 (4)
NO2	19 µg/m3 (9)
SO2	4 µg/m3 (2)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Tonawanda	30	PM2.5	7.2 (30)	n/a	n/a	n/a	n/a	n/a
Buffalo	48	PM2.5	12 (48)	n/a	n/a	n/a	n/a	n/a
Dunkirk	11	O3	n/a	n/a	n/a	24 (11)	n/a	n/a
Amherst	12	O3	n/a	n/a	n/a	25 (12)	n/a	n/a
Middleport	21	O3	n/a	n/a	n/a	47 (21)	n/a	n/a
St. Catharines	53	PM2.5	13 (53)	n/a	15 (7)	12 (5)	n/a	n/a
Hamilton	11	NO2	n/a	n/a	23 (11)	9.8 (4)	n/a	n/a
Toronto	74	PM2.5	23 (74)	n/a	45 (22)	0 (0)	n/a	n/a
Hamilton	82	PM2.5	27 (82)	n/a	15 (7)	12 (5)	n/a	n/a
Toronto	72	PM2.5	22 (72)	n/a	39 (19)	0 (0)	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)

Wednesday, Dec 11																	Thursday, Dec 12																								Friday, Dec 13																								Saturday, Dec 14																								Sunday, Dec 15
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	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am
69	69	70	72	30	19	20	19	20	21	20	24	24	23	25	28	27	27	26	26	26	25	22	23	26	27	29	31	30	30	30	29	27	26	25	24	23	23	22	21	21	21	22	23	24	24	24	24	23	23	24	24	25	25	25	24	24	22	22	22	29	23	22	22	22	22	23	35	38	38	33	31	29	29	30	30	30	31	31	30	30	29	32	33	32	34	36	38	38	38	38	38	40	42	46	46	46
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	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	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	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

W	W	W	W	W	W	W	W	WSW	WSW	WSW	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	SW	SW	SSW	S	SSE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	E	E	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE
5 8	6 10	7 12	9 14	10 17	12 19	13 21	15 23	15 25	16 26	17 27	18 29	19 30	20 31	20 32	20 32	20 33	20 33	20 33	21 34	22 35	22 36	23 37	24 38	24 39	25 40	26 41	26 41	26 42	26 41	25 41	25 41	24 39	23 37	22 35	21 33	20 31	19 31	18 30	18 29	17 28	16 26	16 25	15 24	15 24	14 23	13 22	13 21	12 20	12 19	12 19	11 18	11 18	11 17	10 17	10 15	9 14	8 13	7 11	6 9	5 8	4 7	3 6	3 5	3 5	3 5	4 6	4 7	5 8	5 9	6 10	7 11	7 11	8 12	8 13	9 14	9 14	9 15	9 15	10 15	10 16	10 16	10 16	10 16	10 16	10 15	9 15	9 15	9 15	9 15	9 15	9 15	10 15	10 16	10 16	10 16	10 16
41 5.1	41 5.2	41 5.2	41 5.1	42 5.4	41 5.1	40 4.6	39 4.1	39 3.9	38 3.2	37 2.7	36 2.2	35 1.8	34 1.4	33 0.7	32 0.2	31 -0.3	31 -0.7	30 -1.1	30 -1.1	29 -1.7	28 -2	27 -2.9	26 -3.5	24 -4.2	23 -4.7	23 -4.8	23 -4.9	24 -4.3	24 -4.4	24 -4.4	24 -4.3	25 -4.1	24 -4.5	23 -4.9	22 -5.3	22 -5.8	21 -6	21 -6.3	20 -6.6	20 -6.9	19 -7.2	18 -7.5	18 -7.6	18 -7.6	18 -7.7	18 -7.7	18 -7.8	18 -7.8	19 -7	21 -6.3	22 -5.5	24 -4.7	25 -3.9	26 -3.2	27 -3	27 -2.9	27 -2.8	26 -3.4	25 -4	24 -4.7	23 -4.9	23 -5.2	22 -5.5	22 -5.7	21 -6	21 -6.2	21 -6.2	21 -6.1	21 -6.1	21 -6.1	21 -6.1	21 -6.1	23 -4.9	25 -3.8	27 -2.6	30 -1.4	32 -0.1	34 1.1	34 1.3	35 1.5	35 1.7	34 1.2	33 0.8	33 0.3	32 0.3	32 0.2	32 0.1	32 0.3	33 0.4	33 0.6	33 0.7	34 0.9	34 1.1	34 1.3	35 1.6	35 1.9

Source: CAMS, Vaisala Xweather

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