Markham, Ontario Weather Forecast | AerisWeather

Local

Markham, ON, Canada

43.86682, -79.2663

Air Quality

Updated 44 minutes ago

65

Moderate

Primary Pollutant: PM2.5

O3	32 µg/m3 (15)
PM2.5	19 µg/m3 (65)
PM10	29 µg/m3 (26)

CO	253 µg/m3 (2)
NO2	23 µg/m3 (11)
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)
Angus	1	O3	n/a	n/a	n/a	1.96 (1)	n/a	n/a
St. Catharines	33	PM2.5	8 (33)	n/a	19 (9)	12 (5)	n/a	n/a
Barrie	59	PM2.5	16 (59)	n/a	24 (12)	1.96 (1)	n/a	n/a
Toronto	76	PM2.5	24 (76)	n/a	41 (20)	0 (0)	n/a	n/a
Toronto	61	PM2.5	17 (61)	n/a	39 (19)	0 (0)	n/a	n/a
Hamilton	74	PM2.5	23 (74)	n/a	28 (14)	3.92 (2)	n/a	n/a
Toronto	63	PM2.5	18 (63)	n/a	30 (15)	1.96 (1)	n/a	n/a
Toronto	78	PM2.5	25 (78)	n/a	23 (11)	3.92 (2)	n/a	n/a
Toronto	86	PM2.5	29 (86)	n/a	32 (16)	1.96 (1)	n/a	0 (0)
Toronto	88	PM2.5	30 (88)	n/a	32 (16)	0 (0)	n/a	0 (0)

Source: Canadian Air and Precipitation Monitoring Network, 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
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	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am
69	69	68	68	45	25	21	20	20	22	25	19	19	21	21	21	21	27	30	29	26	23	26	24	26	27	28	27	27	27	26	26	25	24	23	21	20	20	19	19	19	20	20	21	22	22	23	22	21	19	20	23	23	26	26	25	25	24	22	21	21	25	21	21	21	21	22	23	33	37	38	39	37	39	42	38	30	30	32	35	34	34	33	32	31	29	28	27	26	29	33	37	40	42	42	45	46
PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	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	PM2.5	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	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

NNW	NNW	NW	WNW	WNW	WNW	WNW	W	WSW	WSW	WSW	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	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	W	NW	ENE	ENE	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	ESE	SE	ESE	SE	SE
3 4	3 5	3 5	4 7	5 8	7 11	8 12	9 14	9 15	10 16	10 17	11 18	12 20	13 21	12 20	12 19	11 18	12 19	12 20	13 21	14 23	15 24	15 24	16 26	17 28	18 29	19 31	21 33	21 33	21 34	20 32	20 32	19 31	18 29	17 27	16 25	15 24	14 23	14 23	14 22	13 21	12 20	12 19	11 18	11 18	11 17	10 17	10 16	10 16	9 15	10 15	10 15	10 16	10 16	10 15	9 15	9 14	8 13	7 12	6 10	5 8	4 7	4 6	3 5	3 4	1 2	0 0	1 2	2 3	2 3	2 4	3 5	4 6	5 7	6 10	8 13	9 15	10 16	11 17	12 19	12 19	12 19	12 20	12 19	11 18	10 17	10 16	10 15	9 15	9 14	8 13	8 12	8 13	8 13	8 14	9 14	9 14
38 3.2	38 3.4	38 3.3	38 3.6	39 4	39 4.1	40 4.3	39 4	38 3.5	38 3.2	37 2.9	36 2.4	35 1.8	34 1.3	33 0.5	32 -0.2	31 -0.7	30 -1	30 -1.3	29 -1.7	28 -2	28 -2.5	27 -3	25 -3.8	24 -4.3	23 -4.9	22 -5.4	22 -5.4	22 -5.5	23 -4.9	24 -4.7	24 -4.4	24 -4.5	24 -4.7	23 -4.9	23 -5.3	22 -5.6	21 -6	20 -6.4	20 -6.9	19 -7.3	19 -7.5	18 -7.7	18 -7.9	18 -8	17 -8.2	17 -8.3	17 -8.3	17 -8.3	17 -8.4	19 -7.4	20 -6.5	22 -5.5	24 -4.6	25 -3.7	27 -2.8	27 -3	26 -3.1	26 -3.3	25 -4.1	23 -4.8	22 -5.6	21 -6.2	20 -6.7	19 -7.3	18 -7.6	18 -7.9	17 -8.2	17 -8.3	17 -8.3	17 -8.4	17 -8.1	18 -7.9	18 -7.6	21 -6	24 -4.4	27 -2.8	28 -2	30 -1.1	31 -0.3	32 -0.2	32 0	32 0.1	32 -0.1	32 -0.2	31 -0.4	31 -0.4	31 -0.4	31 -0.4	31 -0.4	31 -0.5	31 -0.5	31 -0.4	31 -0.3	32 -0.2	32 -0.1	32 0.1

Source: CAMS, Vaisala Xweather

Powered by Vaisala Xweather