Ashburn, Virginia Weather Forecast

Local

Ashburn, VA, US

39.04372, -77.48749

Air Quality

Updated 43 minutes ago

Good

Primary Pollutant: O3

O3	51 µg/m3 (23)
PM2.5	5 µg/m3 (21)
PM10	22 µg/m3 (20)

CO	194 µg/m3 (2)
NO2	6 µg/m3 (3)
SO2	3 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)
Rose Hill	36	O3	4 (17)	7 (6)	n/a	80 (36)	n/a	1.31 (1)
Middleway	25	O3	5.9 (24)	9 (8)	n/a	54 (25)	n/a	n/a
Haymarket	38	O3	n/a	n/a	n/a	84 (38)	n/a	n/a
Remington	32	O3	n/a	n/a	n/a	70 (32)	n/a	n/a
Aquia Harbour	25	O3	n/a	n/a	n/a	56 (25)	n/a	n/a
Ashburn	36	O3	5.5 (23)	10 (9)	n/a	80 (36)	n/a	n/a
Arlington	36	O3	n/a	n/a	n/a	80 (36)	115 (1)	n/a
Martinsburg	35	O3	n/a	n/a	n/a	78 (35)	n/a	n/a
Washington D.C.	29	PM2.5	7 (29)	n/a	n/a	n/a	n/a	n/a
Washington D.C.	36	O3	1 (4)	n/a	n/a	80 (36)	n/a	n/a

Source: AirNow (EPA), 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)

Thursday, Apr 25																					Friday, Apr 26																								Saturday, Apr 27																								Sunday, Apr 28																								Monday, Apr 29
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
24	25	29	29	29	22	23	24	26	29	32	36	39	41	40	38	34	30	27	25	23	24	24	22	20	21	25	29	33	25	23	25	27	31	34	38	40	40	38	36	32	29	27	27	26	26	26	25	26	25	24	23	24	25	27	28	29	31	34	38	41	44	45	42	38	32	30	30	29	34	34	34	32	31	29	28	27	29	35	42	46	47	50	67	66	65	64	49	50	54	54	53	52	50	49	47	43
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	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	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5

N	N	N	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	N	N	NNE	ENE	E	ESE	ESE	ESE	ESE	SE	SE	S	SSE	E	ENE	ENE	ENE	E	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	ESE	ESE	SE	SE	SE	SE	SE	SSE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	S	S	SSE	S	S	S	SSE	SSE	S	S	SSW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	SW	SW	SW	SSW	SSW	SSW	SW	W	W	W	WNW
7 12	8 12	8 12	8 12	8 12	8 13	8 13	8 12	7 11	6 9	4 7	3 6	3 5	3 4	2 3	3 5	4 6	5 8	6 9	5 9	5 7	5 8	4 7	3 5	2 3	2 3	2 4	3 5	3 5	3 5	4 7	5 9	7 12	8 12	8 12	8 12	7 12	7 12	8 13	8 13	8 12	9 14	9 15	10 16	10 16	9 15	8 14	7 12	7 10	6 9	5 8	5 8	5 9	6 10	8 12	9 14	9 15	9 15	10 15	10 16	10 16	10 16	10 16	9 14	8 13	8 13	7 12	7 11	7 11	7 11	7 10	6 10	6 9	5 8	5 8	4 7	4 6	4 6	2 4	3 4	5 8	5 9	5 8	5 8	5 8	6 9	6 9	7 11	5 8	5 9	5 8	4 7	3 5	3 5	2 4	3 5	3 4
51 10.5	50 9.8	48 9	47 8.5	47 8.5	49 9.7	52 11.1	54 12.4	57 13.7	59 14.9	61 15.9	61 16.3	63 17	63 17.4	64 17.5	62 16.9	61 16	59 14.8	56 13.4	54 12.3	52 11.1	50 10	48 9	47 8.1	45 7.4	44 6.9	43 6.3	43 6	43 6.4	47 8.4	51 10.4	54 12.1	57 13.8	59 15.1	61 16.2	63 17.2	65 18.3	66 18.8	67 19.3	65 18.5	64 17.7	62 16.9	59 15.3	57 13.7	54 12.1	52 11.3	51 10.5	49 9.7	49 9.3	48 8.9	47 8.5	48 9	49 9.4	50 9.9	52 11.2	55 12.6	57 13.9	59 14.9	60 15.8	62 16.8	64 17.6	65 18.4	67 19.2	66 18.9	66 18.7	65 18.4	63 17.1	60 15.7	58 14.4	57 13.7	55 13	54 12.3	53 11.7	52 11.2	51 10.7	53 11.6	54 12.5	56 13.3	61 16.2	66 19	71 21.8	74 23.5	78 25.3	81 27.1	82 27.5	82 27.9	83 28.3	81 27.1	79 26	77 24.8	74 23.5	72 22.1	69 20.7	67 19.7	65 18.6	64 17.5	62 16.9

Source: CAMS, Vaisala Xweather