Ashburn, Virginia Weather Forecast

Local

Ashburn, VA, US

39.04372, -77.48749

Air Quality

Updated 23 minutes ago

Good

Primary Pollutant: O3

O3	71 µg/m3 (32)
PM2.5	6 µg/m3 (25)
PM10	23 µg/m3 (21)

CO	98 µg/m3 (1)
NO2	2 µg/m3 (1)
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)
Rose Hill	37	O3	7.2 (30)	16 (15)	n/a	80 (37)	n/a	1.31 (1)
Middleway	36	O3	5 (21)	16 (15)	n/a	78 (36)	n/a	n/a
Haymarket	32	O3	n/a	n/a	2.068 (1)	71 (32)	n/a	n/a
Remington	29	O3	n/a	n/a	n/a	65 (29)	n/a	n/a
Aquia Harbour	37	O3	n/a	n/a	n/a	82 (37)	n/a	n/a
Ashburn	37	O3	6.4 (26)	14 (13)	1.692 (1)	82 (37)	n/a	n/a
Arlington	37	O3	n/a	n/a	4.136 (2)	80 (37)	115 (1)	n/a
Martinsburg	40	O3	n/a	n/a	n/a	88 (40)	n/a	n/a
Washington D.C.	53	PM2.5	13 (53)	n/a	n/a	n/a	n/a	n/a
Washington D.C.	45	PM2.5	11 (45)	n/a	5.076 (3)	92 (42)	344 (3)	n/a

Source: Virginia Dept. of Environmental Quality, West Virginia Division of Air Quality - Wheeling, District of Columbia - Department of Energy and Environment

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Wednesday, May 8											Thursday, May 9																								Friday, May 10																								Saturday, May 11																								Sunday, May 12
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
33	37	41	45	41	37	33	29	27	25	22	18	21	29	33	33	33	33	34	33	38	34	25	29	40	42	43	44	38	34	28	29	38	35	36	33	31	27	27	28	26	24	18	14	15	16	18	21	25	27	29	33	32	31	38	39	43	30	28	28	27	28	39	50	25	21	23	28	26	30	33	35	37	39	40	40	41	35	33	46	54	59	59	57	55	54	52	50	50	46	42	38	38	33	36	38	40
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	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	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	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

WNW	WNW	WNW	WNW	WNW	W	WSW	WSW	WNW	W	W	W	WNW	NNW	NNE	N	N	ENE	E	ENE	E	ENE	ESE	ESE	SE	SE	SE	NNE	NNE	NNE	NNE	NNE	ENE	NE	ENE	ENE	ENE	SW	W	W	WNW	WNW	NW	NNW	NNW	N	N	NW	NNW	N	N	NNW	NNW	NW	NNW	NNW	NNW	NW	NW	NW	NW	NW	NW	NNW	NNW	NNW	NNW	NW	NNW	NE	E	ESE	SE	SE	ESE	ESE	SSE	SE	ESE	E	ESE	ESE	SSE	SSE	SSE	S	SSE	SE	ESE	WNW	WNW	WNW	NW	NW	NW	NW	NW
9 14	9 15	9 15	10 16	10 17	7 12	5 8	4 7	5 7	4 6	3 5	3 5	4 6	3 4	3 4	3 5	2 3	2 4	3 4	4 6	5 8	3 6	4 7	5 8	6 10	6 9	4 7	3 5	7 11	8 12	7 11	7 12	5 8	4 6	3 5	2 3	1 1	2 2	3 4	4 6	5 7	5 9	4 7	3 5	3 4	2 3	2 3	2 3	2 3	3 4	3 5	5 8	6 9	4 7	7 12	6 10	6 10	7 12	8 13	8 13	8 13	7 12	6 10	5 9	4 6	3 5	2 3	1 2	1 1	1 2	2 3	2 3	2 3	2 3	2 3	1 2	1 1	1 1	1 2	4 6	5 8	5 8	5 8	4 7	4 6	3 5	2 4	1 2	1 2	1 1	2 4	4 7	5 9	7 11	9 15	9 14	10 17
83 28.1	85 29.2	86 29.8	86 30.1	86 30.2	85 29.3	82 27.9	79 26.1	76 24.4	73 22.7	70 21	68 20.1	67 19.5	66 18.8	65 18.2	64 17.9	64 17.6	64 17.8	65 18.1	65 18.3	65 18.4	65 18.6	66 18.9	67 19.5	68 20	68 20	67 19.7	67 19.7	68 20.2	67 19.4	65 18.6	64 17.8	62 16.6	61 15.9	60 15.4	59 15.1	59 15	58 14.7	58 14.4	57 14	57 13.7	57 13.9	57 14.1	58 14.4	59 14.9	60 15.5	61 16	62 16.4	62 16.8	63 17.2	63 17.1	63 17	62 16.8	62 16.5	61 16.1	60 15.7	58 14.3	55 12.9	53 11.5	53 11.7	53 11.9	54 12.1	53 11.5	51 10.8	50 10.2	51 10.6	52 11.2	53 11.7	55 12.8	57 14.1	59 15.3	61 16.1	63 17	64 17.9	64 17.8	64 17.7	64 17.6	62 16.9	61 16.2	60 15.4	58 14.4	56 13.6	55 12.7	54 12.2	53 11.8	53 11.4	52 10.9	51 10.4	50 9.9	51 10.7	53 11.4	54 12.2	56 13.5	59 14.9	61 16.2	61 16.3	62 16.4

Source: CAMS, Vaisala Xweather