Ashburn, Virginia Weather Forecast

Local

Ashburn, VA, US

39.04372, -77.48749

Air Quality

Updated 20 minutes ago

Good

Primary Pollutant: PM2.5

O3	49 µg/m3 (22)
PM2.5	9 µg/m3 (37)
PM10	14 µg/m3 (13)

CO	315 µg/m3 (3)
NO2	11 µg/m3 (5)
SO2	1 µg/m3 (0)

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	29	PM2.5	7.1 (29)	12 (11)	n/a	33 (15)	n/a	1.048 (1)
Middleway	39	PM2.5	9.4 (39)	16 (15)	n/a	18 (8)	n/a	n/a
Haymarket	10	O3	n/a	n/a	4.888 (2)	22 (10)	n/a	n/a
Remington	0	O3	n/a	n/a	n/a	0 (0)	n/a	n/a
Ashburn	35	PM2.5	8.5 (35)	16 (15)	7.332 (4)	45 (20)	n/a	n/a
Aquia Harbour	5	O3	n/a	n/a	n/a	12 (5)	n/a	n/a
Arlington	15	O3	n/a	n/a	14 (7)	33 (15)	229 (2)	n/a
Martinsburg	4	O3	n/a	n/a	n/a	7.84 (4)	n/a	n/a
Washington D.C.	33	PM2.5	8 (33)	n/a	n/a	n/a	n/a	n/a
Washington D.C.	21	PM2.5	5 (21)	n/a	25 (12)	35 (16)	n/a	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)

Sunday, Apr 28																					Monday, Apr 29																								Tuesday, Apr 30																								Wednesday, May 1																								Thursday, May 2
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	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am
36	34	36	38	34	35	28	30	36	40	42	45	47	46	43	39	34	35	38	34	28	25	24	24	26	28	31	36	44	44	36	31	39	45	48	51	56	60	63	55	38	33	32	24	23	24	24	24	24	23	22	24	24	24	25	29	33	36	40	46	50	61	83	81	69	57	61	64	50	46	48	48	46	46	42	38	33	29	30	32	35	38	41	43	45	46	48	43	39	46	46	45	46	46	50	52	52
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	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	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	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

SSW	SSW	SW	WSW	SW	SW	SW	WSW	SW	WSW	WSW	SW	SSW	SSW	SW	SW	SSW	SW	SW	WSW	WSW	SW	SW	SW	SW	WSW	WSW	WNW	W	WNW	W	W	W	W	WSW	SW	SW	SSW	S	S	SSE	SSE	SSE	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SW	SSW	SSW	SW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	WSW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NNW	NNW	NNW	NNW	N	N	NNE	NE	ENE	E	E	ESE	ESE	ESE	ESE	ESE
4 7	4 6	4 6	4 6	3 5	3 4	2 3	2 3	2 4	4 6	4 7	4 7	6 9	7 12	7 12	6 9	4 7	4 7	3 6	3 5	3 5	3 5	3 5	3 5	3 5	4 6	4 6	3 5	2 3	2 3	2 3	3 4	3 5	3 4	2 2	2 3	2 3	2 3	3 5	4 7	4 6	5 9	7 12	8 13	8 13	8 13	7 12	7 11	6 9	5 8	5 8	4 7	4 6	4 6	3 5	3 5	3 5	4 6	5 7	6 9	6 10	7 11	8 13	7 11	8 14	9 15	6 10	8 13	8 13	6 10	6 10	5 9	5 9	5 8	5 7	5 8	5 9	6 9	10 16	11 17	10 17	10 16	10 16	8 14	8 14	8 13	7 11	5 8	3 5	2 4	2 3	2 4	4 6	4 7	4 7	4 7	5 9
56 13.2	55 12.9	54 12.2	54 12.1	55 12.6	59 14.9	64 18.1	69 20.7	74 23.4	78 25.4	81 27.1	83 28.4	84 29	85 29.3	85 29.3	84 28.7	81 27.5	78 25.5	75 23.9	74 23.1	72 22.2	71 21.4	69 20.6	67 19.5	65 18.4	63 17.3	61 16.1	61 15.9	61 16.3	66 18.7	71 21.9	77 25.1	82 27.7	84 29	86 30.1	88 30.9	86 30.2	86 30.3	87 30.3	84 29	82 27.6	79 26.3	77 25	75 23.8	73 22.6	71 21.7	70 20.9	68 20	66 19.1	65 18.3	63 17.4	64 18	66 18.7	67 19.4	71 21.6	75 23.9	79 26.1	81 27.2	83 28.2	85 29.3	84 29.2	84 29.1	84 29	81 27.3	78 25.6	75 24	73 22.8	71 21.7	69 20.5	68 20	67 19.5	66 18.9	65 18.5	64 18	64 17.6	64 17.9	65 18.2	65 18.5	68 19.8	70 21.1	72 22.4	74 23.4	76 24.5	78 25.6	79 26	80 26.5	80 26.9	78 25.8	76 24.6	74 23.4	72 22	69 20.6	67 19.3	65 18.3	63 17.4	62 16.6	61 16.1

Source: CAMS, Vaisala Xweather