Ellicott City, Maryland Weather Forecast

Local

Ellicott City, MD, US

39.26733, -76.79831

Air Quality

Updated 19 minutes ago

Good

Primary Pollutant: PM2.5

O3	41 µg/m3 (19)
PM2.5	7 µg/m3 (28)
PM10	9 µg/m3 (8)

CO	345 µg/m3 (3)
NO2	14 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	17	PM2.5	4.2 (17)	7 (6)	n/a	n/a	n/a	1.31 (1)
Ashburn	21	PM2.5	5.2 (21)	8 (7)	3.008 (1)	n/a	n/a	n/a
Arlington	3	NO2	n/a	n/a	5.64 (3)	n/a	115 (1)	n/a
Washington D.C.	17	PM2.5	4 (17)	n/a	n/a	n/a	n/a	n/a
Brogue	12	O3	n/a	n/a	n/a	27 (12)	n/a	n/a
East York	19	PM2.5	4.7 (19)	n/a	n/a	37 (17)	n/a	n/a
Washington D.C.	27	O3	6 (25)	n/a	8.272 (4)	59 (27)	344 (3)	n/a
Fairmount Heights	25	PM2.5	6 (25)	n/a	8.648 (4)	51 (23)	n/a	n/a
Takoma Park	23	O3	n/a	n/a	6.58 (3)	51 (23)	n/a	n/a
Fairmount Heights	21	PM2.5	5 (21)	n/a	28 (14)	n/a	344 (3)	n/a

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

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Saturday, May 18																	Sunday, May 19																								Monday, May 20																								Tuesday, May 21																								Wednesday, May 22
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
27	26	25	25	31	32	33	33	33	33	33	31	29	25	22	21	20	21	20	20	21	21	18	18	18	21	26	32	34	37	39	38	38	43	41	41	40	41	44	40	32	29	25	21	22	22	22	26	30	27	25	32	35	36	36	37	39	37	38	38	36	33	31	31	29	29	26	34	36	36	36	40	45	40	36	40	37	38	40	43	44	45	46	44	43	50	52	49	44	37	32	29	28	28	27	27	29
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	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	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	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	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

SSE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	ESE	ESE	N	SE	ENE	E	E	E	ENE	ENE	ENE	NE	NE	NE	ENE	ENE	ENE	NE	NNE	NNE	NE	NE	NE	ENE	E	ESE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	E	NE	NE	NE	ENE	E	E	E	E	ESE	ESE	ESE	SE	SSE	S	S	S	S	SSW	SW	SW	SW	SW	SW	SW	SSW	SSW	SSW	S	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	SSW
4 6	4 7	6 9	6 10	6 10	6 10	6 10	6 9	5 8	4 6	2 3	1 1	1 2	1 1	1 2	1 1	2 3	2 3	2 3	2 3	2 3	2 3	3 4	2 4	3 5	4 7	4 6	3 5	4 6	3 5	4 6	4 6	3 5	3 5	3 5	4 6	3 5	3 5	3 4	2 4	3 5	4 6	4 6	3 5	3 5	3 5	3 4	2 4	2 3	2 3	2 3	2 3	3 4	3 5	3 6	3 5	3 6	4 6	3 5	2 4	2 3	3 5	4 6	4 6	4 6	4 6	4 6	4 6	4 6	4 7	4 7	3 6	3 5	3 5	5 8	6 9	6 10	7 10	7 11	7 11	7 11	7 11	7 12	8 13	8 14	8 13	7 11	7 11	7 11	7 11	7 12	7 11	6 10	6 10	5 9	5 8	6 10
61 16	61 15.9	61 16.2	62 16.5	61 16.4	61 16	60 15.8	61 16	61 16.2	61 16.3	62 16.4	61 16.3	61 16.3	61 16.2	61 16.1	61 16	61 16	61 15.9	61 15.9	61 15.9	60 15.8	60 15.6	60 15.3	59 15.3	60 15.5	60 15.7	61 16.2	63 17	64 17.8	66 18.8	67 19.7	70 21	71 21.7	70 21.3	71 21.9	71 21.5	69 20.6	66 19.1	67 19.5	65 18.6	64 17.7	62 16.9	61 16.1	60 15.3	59 15	58 14.6	58 14.2	59 14.9	60 15.7	61 16.4	64 17.8	67 19.2	69 20.6	71 21.4	72 22.1	73 22.9	74 23.2	74 23.6	75 23.9	74 23.1	72 22.3	71 21.6	69 20.3	66 19.1	64 17.8	63 17	61 16.1	60 15.3	59 14.8	58 14.4	57 14	59 14.8	60 15.6	62 16.5	65 18.6	69 20.6	73 22.6	74 23.6	76 24.4	78 25.4	78 25.5	78 25.7	79 25.8	76 24.6	74 23.4	72 22.2	70 21	68 19.9	66 18.7	64 18	63 17.3	62 16.5	61 16.3	61 16	60 15.7	62 16.7	64 17.6

Source: CAMS, Vaisala Xweather