Ashburn, Virginia Weather Forecast

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Ashburn, VA, US

39.04372, -77.48749

Air Quality

Updated an hour ago

Good

Primary Pollutant: PM2.5

O3	32 µg/m3 (15)
PM2.5	4 µg/m3 (17)
CO	160 µg/m3 (2)

NO2	0 µg/m3 (0)
SO2	11 µg/m3 (6)

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	27	O3	n/a	n/a	n/a	60 (27)	229 (2)	n/a
Rose Hill	30	PM2.5	7.3 (30)	n/a	n/a	62 (28)	n/a	2.62 (1)
Sumerduck	22	O3	n/a	n/a	n/a	48 (22)	n/a	n/a
Ridgeway	37	PM2.5	9 (37)	n/a	n/a	52 (24)	n/a	n/a
Ashburn	29	O3	n/a	n/a	n/a	64 (29)	n/a	n/a
Haymarket	31	O3	n/a	n/a	n/a	68 (31)	n/a	n/a
Garrisonville	29	O3	n/a	n/a	n/a	64 (29)	n/a	n/a
Washington D.C.	33	PM2.5	8 (33)	n/a	n/a	n/a	n/a	n/a
Fairmount Heights	17	PM2.5	4 (17)	n/a	n/a	22 (10)	n/a	n/a
Washington D.C.	33	PM2.5	8 (33)	14 (13)	n/a	66 (30)	240 (2)	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)

Wednesday, Dec 8	Thursday, Dec 9																								Friday, Dec 10																								Saturday, Dec 11																								Sunday, Dec 12
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	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
23	25	28	33	37	40	41	41	41	68	68	35	30	30	31	33	36	40	41	41	68	68	68	68	68	41	41	41	41	41	41	41	41	41	68	68	68	68	68	68	68	68	88	88	88	88	88	88	88	88	68	68	36	27	21	16	15	15	15	14	15	17	19	21	19	19	17	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	19	19	19	19	19	19	19	24	30	36	39	41	41	41
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	O3	O3	O3	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	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

NW	NW	NW	NW	NW	NW	WNW	WNW	WNW	NW	WNW	NW	WNW	SW	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	WSW	WSW	WSW	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W
8 14	6 9	5 8	4 7	4 6	3 5	2 4	2 3	1 2	2 3	2 3	2 4	2 4	2 4	2 4	5 8	5 8	6 9	5 8	5 8	5 8	5 9	6 10	7 11	7 11	7 11	7 11	7 11	8 13	8 13	7 11	6 10	5 8	6 9	7 11	8 13	8 13	8 13	8 13	8 13	8 12	7 12	7 11	6 10	6 9	6 10	7 11	7 12	8 13	8 13	9 14	9 15	10 16	10 17	11 18	13 20	14 22	15 24	16 26	17 27	17 28	17 28	17 28	17 27	16 26	16 25	15 25	15 24	15 24	15 24	15 24	14 23	14 23	14 23	14 22	13 21	12 20	12 19	11 17	10 16	9 15	10 16	10 16	11 17	11 18	12 19	12 20	11 17	9 14	7 12	6 9	4 6	2 4	2 4	2 4	2 4	2 4
33 0	31 -1	30 -1	29 -1	29 -2	28 -2	28 -2	27 -3	26 -3	28 -2	32 0	35 2	38 3	40 4	41 5	41 5	41 5	41 5	39 4	38 3	36 2	35 2	35 1	34 1	34 1	35 2	34 1	33 1	33 1	33 1	34 1	33 1	34 1	36 2	39 4	42 5	45 7	48 9	51 10	51 11	52 11	52 11	50 10	48 9	47 8	47 8	47 8	47 8	47 8	48 9	48 9	49 10	51 10	52 11	53 12	54 12	55 13	57 14	59 15	61 16	63 17	64 18	66 19	66 19	66 19	66 19	63 17	60 16	57 14	55 13	52 11	49 10	46 8	44 6	41 5	40 4	39 4	38 3	37 3	36 2	35 2	37 3	39 4	41 5	43 6	45 7	47 8	46 8	44 7	43 6	42 5	40 5	39 4	38 3	37 3	36 2	35 2

Source: CAMS