Columbia, Maryland Weather Forecast

Local

Columbia, MD, US

39.24038, -76.83942

Air Quality

Updated an hour ago

Good

Primary Pollutant: PM2.5

O3	45 µg/m3 (20)
PM2.5	8 µg/m3 (33)
PM10	18 µg/m3 (16)

CO	245 µg/m3 (2)
NO2	13 µg/m3 (7)
SO2	2 µg/m3 (1)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Rose Hill	28	PM2.5	6.8 (28)	12 (11)	n/a	59 (27)	n/a	1.31 (1)
Ashburn	42	PM2.5	10 (42)	16 (15)	13 (6)	57 (26)	n/a	n/a
Arlington	30	O3	n/a	n/a	4.324 (2)	67 (30)	115 (1)	n/a
Washington D.C.	37	PM2.5	9 (37)	n/a	n/a	n/a	n/a	n/a
Brogue	29	O3	n/a	n/a	n/a	63 (29)	n/a	n/a
Washington D.C.	53	PM2.5	13 (53)	n/a	12 (6)	67 (30)	344 (3)	n/a
Fairmount Heights	45	PM2.5	11 (45)	n/a	9.588 (5)	59 (27)	n/a	n/a
Takoma Park	30	O3	n/a	n/a	11 (5)	67 (30)	n/a	n/a
Fairmount Heights	37	PM2.5	9 (37)	n/a	35 (17)	n/a	458 (4)	n/a
Essex	36	O3	n/a	n/a	6.204 (3)	78 (36)	115 (1)	0.524 (0)

Source: Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and Environment, Pennsylvania Dept. of Environmental Protection, Maryland Department of the Environment

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Tuesday, May 14											Wednesday, May 15																								Thursday, May 16																								Friday, May 17																								Saturday, May 18
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	8am	9am	10am	11am	12pm	1pm
32	32	32	35	33	24	24	22	23	25	27	29	29	30	29	29	27	27	28	28	28	29	32	35	35	35	36	35	33	35	34	32	30	29	28	28	27	25	24	25	25	25	24	22	23	24	26	26	28	30	32	35	36	36	36	39	31	26	33	36	37	37	38	33	33	35	35	31	38	38	39	42	46	49	49	49	48	45	41	38	36	33	30	29	29	27	28	29	30	30	30	31	29	28	27	27	27
PM2.5	PM2.5	O3	O3	PM2.5	O3	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	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	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3

SSE	SSE	SSE	SSE	SSE	S	S	SSE	SSE	SSE	SSE	SSE	SSE	SE	SE	ESE	ESE	E	E	E	E	E	E	E	E	E	ENE	ENE	NE	NE	NE	NE	NE	NE	NNE	NNE	NNE	NNE	NNE	NNE	N	N	N	N	NNE	NNE	N	N	N	N	N	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	NE	NNE	NNE	NNE	N	N	NNE	NNE	NNE	NE	ENE	ENE	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	E	E	ESE	ESE	ESE	ESE	ESE	SE	SE
7 11	7 11	7 11	7 12	8 13	9 15	9 14	9 15	9 14	8 13	7 11	7 11	7 11	6 10	6 10	6 10	6 9	7 11	8 13	9 14	10 16	10 16	11 17	11 19	12 20	11 18	10 16	9 15	9 14	9 15	9 15	9 15	9 15	9 15	9 14	10 16	10 16	10 15	10 15	10 16	10 16	10 16	11 17	10 16	11 17	11 17	11 18	12 19	12 20	13 20	12 20	12 19	11 18	10 16	8 13	7 11	7 11	7 11	7 11	6 10	6 9	6 10	6 10	6 9	6 9	5 9	5 8	5 9	6 9	6 10	6 9	5 9	6 10	7 11	7 11	7 11	8 13	7 11	6 10	6 9	5 9	6 9	5 8	5 8	4 7	5 8	4 7	4 6	4 7	4 7	4 7	5 8	6 9	5 9	6 9	6 10	6 10
66 18.8	65 18.6	65 18.5	65 18.5	66 18.7	65 18.6	64 18	64 17.6	63 17.2	63 17.1	63 17.2	63 17	62 16.7	62 16.4	61 16	60 15.8	60 15.7	61 15.9	61 16	61 16	61 16.2	61 16.3	61 16.4	62 16.5	62 16.7	63 17	63 17.3	63 17.1	62 16.9	62 16.8	62 16.6	61 16.3	61 16	60 15.8	60 15.6	60 15.5	59 15.3	59 15.1	58 14.6	58 14.6	58 14.6	59 14.9	59 15.3	60 15.7	62 16.9	64 18	67 19.2	67 19.7	68 20.1	69 20.6	69 20.7	69 20.8	70 20.9	69 20.6	68 20.2	68 19.8	66 18.6	63 17.4	61 16.2	60 15.8	59 15.3	59 14.8	58 14.7	58 14.5	58 14.4	59 15.1	61 15.8	62 16.6	64 18.1	67 19.6	70 21.1	70 21.3	71 21.6	71 21.9	71 21.9	71 21.8	71 21.7	70 21.1	69 20.3	67 19.7	66 18.6	64 17.6	62 16.6	61 16.1	60 15.6	59 15.2	59 15	59 14.8	58 14.6	59 15	60 15.4	60 15.8	61 16.4	62 16.9	63 17.4	65 18.1	66 18.9

Source: CAMS, Vaisala Xweather