Washington D.c., District Of Columbia Weather Forecast

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Washington D.c., DC, US

38.89511, -77.03637

Air Quality

Updated 31 minutes ago

Good

Primary Pollutant: PM2.5

O3	32 µg/m3 (15)
PM2.5	8 µg/m3 (35)
PM10	21 µg/m3 (19)

CO	340 µg/m3 (3)
NO2	13 µg/m3 (7)
SO2	2 µg/m3 (1)

Source: AirNow (EPA), District of Columbia - Department of Energy and Environment, Virginia Dept. of Environmental Quality, Maryland Department of the Environment, EPA Office of Atmospheric Programs, CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Rose Hill	38	PM2.5	9.1 (38)	21 (19)	n/a	28 (13)	n/a	2.096 (1)
Haymarket	21	O3	n/a	n/a	n/a	46 (21)	n/a	n/a
Sumerduck	10	O3	n/a	n/a	n/a	22 (10)	n/a	n/a
Ashburn	20	O3	n/a	n/a	n/a	44 (20)	n/a	n/a
Garrisonville	16	O3	n/a	n/a	n/a	34 (16)	n/a	n/a
Claremont	14	O3	n/a	n/a	n/a	30 (14)	344 (3)	n/a
Washington D.C.	33	PM2.5	8 (33)	n/a	n/a	n/a	n/a	n/a
Washington D.C.	37	PM2.5	9 (37)	n/a	n/a	36 (17)	n/a	n/a
Fairmount Heights	37	PM2.5	9 (37)	n/a	n/a	24 (11)	n/a	n/a
Fairmount Heights	37	PM2.5	9 (37)	n/a	n/a	n/a	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)

Thursday, Sep 28													Friday, Sep 29																								Saturday, Sep 30																								Sunday, Oct 1																								Monday, Oct 2
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	4am	5am	6am	7am	8am
30	33	29	24	19	19	19	20	28	29	24	24	24	24	23	23	24	24	24	29	33	33	29	25	28	24	19	16	19	23	24	24	25	33	37	35	42	43	39	33	33	29	33	33	29	26	24	22	22	26	38	35	26	20	28	24	29	29	29	32	33	36	38	38	40	45	47	52	54	57	62	62	61	59	57	57	55	55	55	61	75	83	88	89	84	77	70	64	59	55	53	52	47	52
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	PM10	PM10	PM10	PM10	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

NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NNE	NNE	NNE	NNE	N	N	N	NNE	NNE	N	N	N	N	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N
6 10	6 10	6 10	7 11	8 12	8 13	9 14	8 13	8 13	8 13	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	8 13	8 13	9 14	9 14	9 14	9 14	9 14	9 15	10 16	10 16	9 15	9 14	8 13	8 12	7 12	7 11	7 11	7 11	7 11	7 11	7 11	7 11	8 13	9 15	10 17	11 17	11 18	11 18	11 18	11 17	11 17	11 17	11 18	11 18	10 17	10 16	9 14	9 14	8 13	8 12	7 12	7 11	7 11	7 11	7 11	7 12	7 12	8 12	8 13	8 13	8 13	8 14	9 14	9 14	9 14	9 14	9 14	8 13	8 13	8 13	8 12	7 12	7 11	7 11	6 10	6 10	6 9	6 9	6 10	6 10	6 10	7 11	7 11
63 17	66 19	67 19	68 20	68 20	68 20	68 20	67 19	65 19	64 18	63 17	63 17	62 17	62 17	62 17	62 17	61 16	61 16	61 16	60 16	60 16	61 16	62 17	64 18	65 18	66 19	67 19	68 20	68 20	68 20	68 20	67 20	66 19	66 19	65 18	64 18	63 17	63 17	63 17	63 17	62 17	62 17	62 17	62 17	61 16	61 16	63 17	65 18	67 20	69 20	70 21	71 22	71 22	71 22	71 22	69 21	68 20	66 19	66 19	65 18	65 18	64 18	63 17	63 17	63 17	62 17	62 17	62 17	61 16	61 16	64 18	66 19	68 20	71 22	73 23	76 24	75 24	73 23	72 22	71 22	70 21	69 20	68 20	67 19	66 19	65 18	64 18	63 17	63 17	62 17	62 17	62 17	62 17	62 17

Source: CAMS, Vaisala Xweather