Gaithersburg, Maryland Weather Forecast | AerisWeather

Local

Gaithersburg, MD, US

39.14344, -77.20137

Air Quality

Updated an hour ago

70

Moderate

Primary Pollutant: PM2.5

O3	32 µg/m3 (14)
PM2.5	21 µg/m3 (70)
PM10	32 µg/m3 (29)

CO	420 µg/m3 (4)
NO2	41 µg/m3 (20)
SO2	6 µg/m3 (3)

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	48	PM2.5	12 (48)	21 (19)	n/a	18 (8)	n/a	6.026 (3)
Middleway	18	O3	n/a	n/a	n/a	39 (18)	n/a	n/a
Haymarket	15	O3	n/a	n/a	23 (11)	33 (15)	n/a	n/a
Ashburn	35	PM2.5	8.5 (35)	15 (14)	40 (20)	18 (8)	n/a	n/a
Aquia Harbour	15	O3	n/a	n/a	n/a	33 (15)	n/a	n/a
Arlington	28	NO2	n/a	n/a	58 (28)	12 (5)	229 (2)	n/a
Washington D.C.	29	PM2.5	7 (29)	n/a	n/a	n/a	n/a	n/a
Washington D.C.	41	PM2.5	10 (41)	21 (19)	53 (26)	16 (7)	344 (3)	n/a
Fairmount Heights	37	PM2.5	9 (37)	n/a	n/a	20 (9)	n/a	n/a
Takoma Park	16	NO2	n/a	n/a	32 (16)	33 (15)	n/a	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)

Friday, Dec 13					Saturday, Dec 14																								Sunday, Dec 15																								Monday, Dec 16																								Tuesday, Dec 17
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	2pm	3pm	4pm	5pm	6pm	7pm
54	54	54	55	36	36	36	38	37	37	38	38	41	44	40	32	28	29	29	29	32	36	48	53	56	56	55	55	55	54	52	53	53	54	55	59	61	61	57	54	49	45	34	30	32	34	39	41	41	26	23	25	23	22	21	24	22	33	33	36	32	36	35	33	32	31	31	30	30	30	51	59	56	54	52	50	46	42	38	33	29	29	33	33	38	42	39	25	27	28	30	30	30	30	37	53	62
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	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	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	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	PM2.5	PM2.5	PM2.5

NE	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E	E	E	E	E	E	E	ENE	E	E	E	E	E	E	E	ENE	ENE	ENE	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	W	W	W	W	W	W	NW
3 5	2 4	2 4	2 4	2 4	2 4	2 4	2 4	2 4	2 4	2 4	3 5	3 5	3 5	3 5	4 7	4 7	4 7	4 7	4 7	4 7	4 7	3 5	3 5	2 4	2 4	3 5	3 5	3 5	3 5	3 5	3 5	3 5	3 5	3 5	4 6	4 6	4 7	5 8	6 9	6 9	6 9	6 9	6 9	6 9	6 9	6 9	6 10	6 10	6 10	6 9	6 9	5 8	5 8	4 7	4 7	4 7	4 7	4 7	4 7	4 7	5 8	5 8	6 9	6 9	6 9	6 9	6 9	6 9	6 9	5 8	5 8	4 7	5 8	6 10	7 11	8 12	8 14	9 15	10 15	10 16	10 16	11 17	11 17	11 18	11 18	11 17	11 17	11 17	10 17	10 16	9 15	9 14	8 13	7 11	6 10	6 9
31 -0.5	30 -1.2	30 -1.2	29 -1.6	28 -2	28 -2.3	28 -2.4	28 -2.4	27 -2.8	27 -3	26 -3.3	26 -3.3	26 -3.5	26 -3.1	28 -2	30 -1.2	32 0	34 1.1	36 2.1	36 2.1	36 2.3	36 2.1	35 1.4	33 0.5	31 -0.3	30 -0.9	30 -1.2	29 -1.6	29 -1.6	28 -2.1	28 -2.3	28 -2.3	28 -2.3	28 -2.3	28 -2.3	28 -2.3	29 -1.8	31 -0.8	32 0.2	34 1.2	35 1.7	36 2.2	37 2.7	37 3	38 3.3	38 3.5	38 3.5	38 3.5	38 3.5	38 3.5	38 3.4	38 3.4	38 3.5	38 3.5	38 3.6	38 3.6	38 3.6	38 3.6	39 3.7	39 3.8	39 3.9	40 4.4	41 5	42 5.5	43 6.2	45 7	46 7.7	47 8.5	49 9.2	50 10	50 9.8	49 9.7	49 9.5	49 9.6	49 9.7	50 9.8	50 9.8	50 9.9	50 10	50 10.2	51 10.4	51 10.6	51 10.8	52 11	52 11.2	53 11.8	54 12.3	55 12.9	56 13.4	57 14	58 14.5	56 13.6	55 12.6	53 11.7	51 10.7	50 9.8	48 8.8

Source: CAMS, Vaisala Xweather

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