Ashburn, Virginia Weather Forecast

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Ashburn, VA, US

39.04372, -77.48749

Air Quality

Updated 39 minutes ago

Good

Primary Pollutant: PM2.5

O3	33 µg/m3 (15)
PM2.5	8 µg/m3 (31)
CO	263 µg/m3 (3)

NO2	0 µg/m3 (0)
SO2	4 µg/m3 (1)

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

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Claremont	38	O3	n/a	n/a	n/a	84 (38)	344 (3)	n/a
Rose Hill	32	O3	n/a	n/a	n/a	70 (32)	n/a	0 (0)
Sumerduck	25	O3	n/a	n/a	n/a	56 (25)	n/a	n/a
Ridgeway	25	PM2.5	6.1 (25)	11 (10)	n/a	38 (17)	n/a	n/a
Ashburn	30	O3	n/a	n/a	n/a	66 (30)	n/a	n/a
Haymarket	31	O3	n/a	n/a	n/a	68 (31)	n/a	n/a
Garrisonville	40	O3	n/a	n/a	n/a	88 (40)	n/a	n/a
Martinsburg	20	O3	n/a	n/a	n/a	44 (20)	n/a	n/a
Washington D.C.	37	PM2.5	9 (37)	n/a	n/a	n/a	n/a	n/a
Fairmount Heights	29	PM2.5	7 (29)	n/a	n/a	36 (16)	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)

Wednesday, Aug 17		Thursday, Aug 18																								Friday, Aug 19																								Saturday, Aug 20																								Sunday, Aug 21
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	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm
41	41	41	68	68	68	68	68	68	68	68	41	41	39	37	35	33	33	33	33	31	35	36	37	38	41	41	41	41	40	41	41	41	41	41	41	38	35	35	35	39	39	39	39	35	33	33	37	39	41	41	41	41	41	41	41	41	41	41	40	31	26	25	26	26	26	26	26	23	23	21	24	25	25	26	31	33	29	29	31	32	33	27	21	19	23	26	29	29	33	33	33	29	26	26	29	30
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	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	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	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5

NNW	N	N	NW	WNW	WNW	NW	NW	NW	NW	NW	NW	NW	WNW	WNW	WNW	WNW	WNW	W	W	W	WSW	WSW	SW	SW	SSW	SW	SW	SW	SW	W	WNW	WNW	WNW	W	W	SSW	S	S	S	S	S	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	ESE	ESE	ESE	E	E	E	ESE	ESE	ESE	E	E	E	E	E	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	E	E	E	S	S	S	S	S	S	SSE	SSE	SSE
3 5	3 5	3 5	2 4	2 4	2 4	2 4	1 2	2 4	2 4	2 4	2 4	2 4	3 5	3 5	3 5	3 5	3 5	3 5	3 5	4 7	2 4	2 4	2 4	2 4	2 4	1 2	1 2	1 2	1 2	1 2	1 2	1 2	1 2	1 2	1 2	1 2	2 4	3 5	4 7	6 9	6 10	6 10	7 11	6 10	6 10	6 9	5 8	5 8	4 7	4 6	3 5	2 4	2 4	2 4	2 4	2 4	2 4	2 4	3 5	4 7	6 9	6 9	6 9	6 9	6 9	6 9	6 9	5 8	5 8	4 7	4 6	3 5	3 5	2 4	2 3	1 2	1 2	1 2	2 3	2 3	2 3	2 4	2 4	3 4	3 4	3 5	3 5	3 5	3 5	3 5	3 5	3 5	3 5	3 5	3 5	3 5
67 20	65 19	64 18	64 18	63 17	62 17	61 16	61 16	61 16	60 16	64 18	69 21	74 23	78 26	80 27	82 28	83 28	83 28	83 28	82 28	81 27	80 27	76 25	73 23	71 22	69 21	69 21	68 20	67 20	67 20	66 19	65 18	65 18	65 18	67 20	71 22	76 25	81 27	83 28	84 29	86 30	85 30	85 29	84 29	82 28	80 27	78 26	76 25	75 24	73 23	72 22	71 22	70 21	69 21	69 20	68 20	68 20	69 20	69 21	71 22	73 23	74 23	76 24	78 25	79 26	80 27	80 27	81 27	79 26	78 25	76 25	75 24	73 23	72 22	71 22	69 21	68 20	68 20	68 20	68 20	68 20	68 20	68 20	71 21	73 23	76 24	79 26	81 27	84 29	83 28	82 28	80 27	79 26	78 26	77 25	76 24	75 24

Source: CAMS