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	34 µg/m3 (15)
PM2.5	6 µg/m3 (24)
CO	137 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	35	O3	n/a	n/a	n/a	78 (35)	344 (3)	n/a
Rose Hill	48	PM2.5	12 (48)	n/a	n/a	68 (31)	n/a	2.62 (1)
Sumerduck	26	O3	n/a	n/a	n/a	58 (26)	n/a	n/a
Ridgeway	27	O3	5.8 (24)	n/a	n/a	60 (27)	n/a	n/a
Ashburn	31	O3	n/a	n/a	n/a	68 (31)	n/a	n/a
Haymarket	30	O3	n/a	n/a	n/a	66 (30)	n/a	n/a
Garrisonville	35	O3	n/a	n/a	n/a	78 (35)	n/a	n/a
Martinsburg	35	O3	n/a	n/a	n/a	78 (35)	n/a	n/a
Washington D.C.	70	PM2.5	21 (70)	n/a	n/a	n/a	n/a	n/a
Fairmount Heights	34	O3	8 (33)	n/a	n/a	74 (34)	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)

Saturday, Sep 18											Sunday, Sep 19																								Monday, Sep 20																								Tuesday, Sep 21																								Wednesday, Sep 22
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	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm
33	32	31	31	32	41	41	68	68	68	68	68	41	41	41	41	39	36	34	32	31	33	33	32	32	31	31	31	33	41	41	41	68	68	68	68	68	68	68	68	68	68	68	68	41	41	36	38	40	39	38	36	36	37	38	38	35	31	28	26	26	26	29	31	33	33	33	33	33	33	31	26	24	24	24	24	24	23	22	22	23	24	26	26	27	28	29	31	31	31	31	33	33	29	24	22	21
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	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

NNW	NNW	NNW	NNW	N	NNW	NNW	WNW	WNW	NW	WNW	NW	NW	NNW	NNW	NNW	N	N	SW	N	N	NNE	NNE	N	N	N	NNE	NNE	NNE	NNE	NE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	E	E	E	E	E	E	ESE	ESE	ESE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	E	E	E	SSE	SSE	SSE	SSE	SSE	SSE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE
3 5	3 5	3 5	3 5	4 6	3 5	2 4	2 4	2 4	2 4	2 4	2 4	2 4	2 4	3 4	2 4	2 4	3 5	3 5	3 5	5 8	6 9	6 9	6 9	6 9	6 9	6 9	5 8	5 8	4 6	3 5	2 4	2 4	2 4	2 4	2 4	1 2	1 2	1 2	1 2	1 2	1 2	2 3	2 3	3 5	4 7	6 9	6 10	7 11	7 11	7 12	8 12	8 13	7 12	6 10	5 9	5 8	5 8	4 7	4 6	4 6	3 5	3 5	3 5	3 4	3 4	2 4	2 4	3 5	4 6	4 7	5 8	6 9	7 11	6 10	6 10	6 9	5 9	5 8	5 8	4 7	4 7	4 6	4 6	4 6	3 5	4 6	4 6	4 6	4 7	4 7	5 8	5 9	6 10	7 11	7 12	8 13
80 27	83 28	83 29	83 28	83 28	81 27	79 26	76 25	74 23	72 22	71 22	71 22	70 21	69 21	67 20	67 19	65 19	65 18	64 18	66 19	69 21	71 22	74 23	77 25	78 26	79 26	80 27	79 26	79 26	77 25	73 23	70 21	68 20	66 19	64 18	63 17	62 17	62 17	61 16	61 16	60 16	61 16	61 16	62 17	66 19	69 21	73 23	74 23	76 24	77 25	77 25	77 25	76 25	74 23	71 22	69 20	68 20	66 19	65 19	64 18	63 17	62 17	62 17	62 17	62 17	62 17	62 17	62 17	64 18	66 19	68 20	71 21	73 23	75 24	74 23	74 23	73 23	72 22	71 22	71 22	70 21	69 21	68 20	67 20	66 19	65 19	65 19	66 19	66 19	66 19	66 19	66 19	67 20	69 20	70 21	71 22	73 23

Source: CAMS