Ashburn, Virginia Weather Forecast

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Ashburn, VA, US

39.04372, -77.48749

Air Quality

Updated 4 minutes ago

Good

Primary Pollutant: PM2.5

O3	23 µg/m3 (10)
PM2.5	4 µg/m3 (14)
CO	149 µg/m3 (1)

NO2	0 µg/m3 (0)
SO2	5 µg/m3 (1)

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, US EPA AirNow, OpenAQ, CAMS

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Claremont	18	O3	n/a	n/a	n/a	40 (18)	229 (2)	n/a
Rose Hill	22	PM2.5	5.3 (22)	7 (6)	n/a	44 (20)	n/a	n/a
Sumerduck	27	O3	n/a	n/a	n/a	60 (27)	n/a	n/a
Ridgeway	27	PM2.5	6.5 (27)	13 (12)	n/a	56 (25)	n/a	n/a
Ashburn	21	O3	n/a	n/a	n/a	46 (21)	n/a	n/a
Haymarket	24	O3	n/a	n/a	n/a	52 (24)	n/a	n/a
Garrisonville	22	O3	n/a	n/a	n/a	48 (22)	n/a	n/a
Washington D.C.	17	PM2.5	4 (17)	n/a	n/a	n/a	n/a	n/a
Fairmount Heights	14	O3	1 (4)	n/a	n/a	30 (14)	n/a	n/a
Washington D.C.	29	PM2.5	7 (29)	n/a	n/a	26 (12)	344 (3)	n/a

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and Environment

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Tuesday, Nov 29										Wednesday, Nov 30																								Thursday, Dec 1																								Friday, Dec 2																								Saturday, Dec 3
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	2pm
19	19	20	25	28	29	28	26	26	24	23	21	20	19	18	17	17	18	18	18	19	20	20	20	19	18	14	14	14	11	11	11	11	11	11	12	12	12	12	12	12	12	13	13	13	15	17	18	18	18	19	24	29	31	33	36	41	41	41	41	41	41	68	68	68	68	68	68	68	41	41	37	35	33	33	34	33	32	30	29	28	28	29	32	34	36	36	34	33	30	26	23	22	22	24	24	24
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	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	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	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	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	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5

SSE	SSE	SSE	SSE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	SSE	SSE	SSE	S	S	S	S	SSW	SW	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW
8 13	9 14	8 13	7 11	7 11	6 9	6 9	7 11	7 11	8 12	8 13	8 13	9 14	9 14	10 16	11 18	13 22	14 23	16 25	17 27	18 29	19 31	19 31	17 27	16 25	16 25	17 27	16 25	15 23	13 22	13 22	13 22	13 21	13 21	12 20	12 20	12 19	12 19	11 18	10 17	10 16	9 14	10 17	12 19	13 22	13 21	13 20	12 20	11 18	10 16	9 14	8 13	7 11	6 9	5 8	4 7	3 6	3 4	2 3	1 2	1 2	2 3	2 3	2 3	2 3	2 4	4 6	5 8	6 10	7 12	9 14	10 16	10 16	9 15	9 14	9 14	8 13	8 13	8 13	8 13	8 14	9 14	9 14	9 14	9 14	9 14	9 14	9 14	9 14	9 14	10 16	10 17	11 18	12 19	13 20	13 22	13 20
50 10	51 11	50 10	49 9	47 8	45 7	45 7	44 7	44 7	44 7	43 6	45 7	45 7	45 7	46 8	47 8	47 8	48 9	49 10	52 11	54 12	55 13	57 14	58 15	57 14	57 14	55 13	52 11	49 9	46 8	44 7	42 6	40 5	38 3	37 3	36 2	35 2	34 1	33 1	32 0	31 -1	30 -1	33 0	35 2	38 3	40 4	41 5	43 6	43 6	43 6	43 6	40 5	38 3	35 2	34 1	33 1	32 0	31 -1	30 -1	29 -2	28 -2	28 -2	27 -3	26 -3	26 -3	25 -4	28 -2	32 0	35 2	38 4	42 5	45 7	44 7	44 6	43 6	42 6	42 5	41 5	41 5	40 5	40 4	40 4	39 4	39 4	39 4	40 4	40 5	41 5	42 5	42 6	44 7	46 8	49 9	51 10	53 12	55 13	54 12

Source: CAMS