Rockville, Maryland Weather Forecast | AerisWeather

Local

Rockville, MD, US

39.084, -77.15276

Air Quality

Updated 13 minutes ago

63

Moderate

Primary Pollutant: PM2.5

O3	29 µg/m3 (13)
PM2.5	18 µg/m3 (63)
PM10	24 µg/m3 (22)

CO	169 µg/m3 (2)
NO2	11 µg/m3 (5)
SO2	2 µg/m3 (1)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Rose Hill	54	PM2.5	13 (54)	21 (19)	n/a	33 (15)	n/a	1.048 (1)
Haymarket	10	O3	n/a	n/a	3.008 (1)	22 (10)	n/a	n/a
Ashburn	45	PM2.5	11 (45)	17 (15)	9.024 (4)	20 (9)	n/a	n/a
Aquia Harbour	22	O3	n/a	n/a	n/a	49 (22)	n/a	n/a
Arlington	15	O3	n/a	n/a	12 (6)	33 (15)	115 (1)	n/a
Washington D.C.	45	PM2.5	11 (45)	n/a	n/a	n/a	n/a	n/a
Washington D.C.	45	PM2.5	11 (45)	n/a	10 (5)	45 (20)	458 (4)	n/a
Fairmount Heights	29	PM2.5	7 (29)	n/a	14 (7)	31 (14)	n/a	n/a
Takoma Park	6	NO2	n/a	n/a	13 (6)	n/a	n/a	n/a
Fairmount Heights	9	NO2	n/a	n/a	18 (9)	n/a	344 (3)	n/a

Source: 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)

Sunday, May 19																				Monday, May 20																								Tuesday, May 21																								Wednesday, May 22																								Thursday, May 23
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	12am	1am	2am	3am	4am
62	60	58	56	44	28	34	38	39	40	42	43	43	43	45	44	38	46	55	56	57	52	41	30	25	21	18	20	20	25	30	39	47	57	72	81	96	110	116	90	45	32	33	30	26	25	25	25	28	29	33	38	33	29	34	48	63	58	50	56	56	57	54	49	47	51	44	40	47	46	45	43	43	45	46	46	50	52	52	50	62	77	92	89	87	84	68	51	50	50	49	46	43	42	42	42	42
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	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	PM2.5	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	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	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	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	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

N	N	N	N	NNE	NNE	N	N	N	N	N	NNW	N	NNE	NE	ESE	ESE	SSE	SSE	SSE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	ESE	ESE	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SSE	SSE	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S	S	S	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	SSW	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S	S	SSE	S	S	S	S	SSW	SSW	SW
3 5	3 5	3 4	2 4	2 2	1 2	2 3	2 3	2 3	2 3	3 4	3 5	3 5	3 4	2 3	2 4	3 6	4 7	4 6	3 5	4 6	4 7	4 7	4 7	4 7	5 7	4 7	4 6	3 5	3 4	3 4	2 4	3 4	2 4	3 5	3 5	2 4	3 4	3 5	5 7	5 8	5 8	5 7	5 8	5 8	5 8	5 8	4 7	4 7	4 7	4 7	4 6	4 6	5 7	5 8	5 9	6 9	5 8	6 9	6 9	5 9	6 9	6 10	7 11	6 10	7 11	7 11	7 11	7 11	7 11	7 11	7 11	6 10	6 9	5 8	5 8	6 9	8 12	8 13	8 12	8 13	8 13	8 13	8 12	8 13	8 13	6 9	4 7	5 9	6 10	8 12	8 12	8 12	8 13	8 13	8 12	7 11
57 14.1	58 14.5	59 15	60 15.8	63 17	65 18.2	68 19.9	70 21	70 21	70 21.3	71 21.6	71 21.6	73 22.6	74 23.4	74 23.3	73 22.8	71 21.7	68 20	66 18.9	64 17.9	63 17.1	61 16.2	60 15.4	59 14.8	58 14.4	58 14.3	58 14.6	59 15.1	60 15.8	63 17	65 18.3	68 20	71 21.7	74 23.2	76 24.5	78 25.3	79 25.9	79 26.1	78 25.6	77 24.8	74 23.3	69 20.5	66 19.1	64 17.6	62 16.7	61 15.9	59 15.1	58 14.5	57 13.9	56 13.3	58 14.6	60 15.8	63 17.1	66 18.9	69 20.8	73 22.7	74 23.5	76 24.2	77 25	78 25.3	78 25.7	79 26	77 25	75 24	73 23	71 21.5	68 20	65 18.5	64 17.7	62 16.9	61 16.1	60 15.7	60 15.3	59 14.8	61 15.9	63 17	65 18.1	68 20.1	72 22.1	75 24.1	77 25.2	79 26.3	81 27.3	82 27.8	83 28.2	83 28.6	81 27.5	79 26.4	77 25.2	76 24.2	74 23.1	72 22	71 21.4	69 20.8	68 20.1	67 19.6	67 19.2

Source: CAMS, Vaisala Xweather

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