Frederick, Maryland Weather Forecast

Local

Frederick, MD, US

39.41427, -77.41054

Air Quality

Updated an hour ago

Good

Primary Pollutant: O3

O3	46 µg/m3 (21)
PM2.5	3 µg/m3 (12)
PM10	4 µg/m3 (4)

CO	217 µg/m3 (2)
NO2	7 µg/m3 (3)
SO2	1 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	26	O3	1.8 (7)	3 (3)	n/a	57 (26)	n/a	1.572 (1)
Middleway	12	PM2.5	2.8 (12)	5 (5)	n/a	22 (10)	n/a	n/a
Haymarket	25	O3	n/a	n/a	3.384 (2)	55 (25)	n/a	n/a
Ashburn	21	O3	1.7 (7)	4 (4)	8.46 (4)	47 (21)	n/a	n/a
Arlington	24	O3	n/a	n/a	8.084 (4)	53 (24)	229 (2)	n/a
Arendtsville	29	O3	2.1 (9)	n/a	n/a	63 (29)	n/a	n/a
Fayetteville	26	O3	n/a	n/a	n/a	57 (26)	n/a	n/a
Arendtsville	29	O3	n/a	n/a	n/a	63 (29)	n/a	n/a
Washington D.C.	26	O3	2 (8)	4 (4)	8.836 (4)	57 (26)	115 (1)	n/a

Source: Virginia Dept. of Environmental Quality, Pennsylvania Dept. of Environmental Protection, EPA Office of Atmospheric Protection, District of Columbia - Department of Energy and Environment

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Wednesday, Nov 13																							Thursday, Nov 14																								Friday, Nov 15																								Saturday, Nov 16																								Sunday, Nov 17
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	11pm	12am	1am
21	21	19	18	17	19	26	30	23	24	27	29	29	29	29	28	24	32	54	59	59	51	49	51	53	51	47	45	43	43	49	52	53	50	49	47	39	30	29	32	32	33	29	25	27	29	29	28	25	22	23	23	22	20	20	24	25	21	24	26	29	34	35	38	36	34	32	32	32	32	31	30	29	29	29	29	28	27	26	26	26	26	28	30	33	33	33	34	32	30	29	29	29	29	29	28	28
O3	O3	O3	O3	O3	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	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	PM2.5	O3	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3

N	N	N	NNE	N	N	N	NNE	NE	NE	NE	ENE	ENE	ENE	E	E	E	E	E	E	E	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E	E	ESE	ESE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ENE	ENE	ENE	NNE	NNE	NNE	N	N	N	N	N	N	NNW	NNW	NNW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
4 6	4 6	3 5	3 5	3 5	3 5	3 5	3 5	4 6	4 7	3 5	4 6	4 6	4 6	4 6	3 6	3 5	2 4	2 4	2 4	2 4	2 4	1 2	2 4	2 4	2 4	2 4	2 4	2 4	3 5	3 5	3 5	4 7	4 7	6 9	6 9	7 11	6 10	6 10	6 9	5 8	4 7	4 6	4 6	3 6	3 5	3 5	3 4	2 4	2 4	2 4	2 4	2 4	2 4	2 4	3 4	3 5	3 5	4 7	5 8	6 9	6 10	6 10	7 11	6 10	6 10	6 9	6 9	6 9	6 9	6 9	6 9	6 9	6 10	7 11	7 12	8 13	8 14	9 14	9 15	10 16	10 16	10 17	11 17	11 18	10 17	10 16	9 14	8 13	7 12	7 11	6 10	6 9	5 8	4 7	4 6	3 5
36 2.3	35 1.7	33 0.7	32 -0.2	30 -1.1	29 -1.9	30 -1.3	33 0.6	37 2.8	41 4.8	44 6.8	47 8.4	48 9.1	50 10.1	50 10.1	49 9.6	46 7.8	43 6.1	41 5	39 4.1	38 3.2	36 2	36 2	35 1.5	35 1.5	36 2	36 2	36 2	36 2.2	36 2.5	37 2.5	39 3.8	42 5.5	44 6.9	46 7.7	47 8.6	48 9.1	48 9	48 9	48 8.9	47 8.5	47 8.1	46 7.8	46 7.9	46 8	47 8.1	46 8	46 7.8	46 7.7	45 7.5	45 7.2	45 7	44 6.6	43 6.3	43 5.9	44 6.8	46 7.7	48 8.6	49 9.7	51 10.7	53 11.7	54 12.2	55 12.7	56 13.2	54 12.2	52 11.3	51 10.4	50 10	49 9.6	49 9.2	48 8.9	47 8.5	47 8.1	46 7.7	45 7.3	44 6.8	44 6.4	43 6	42 5.6	45 7.1	47 8.6	50 10.1	53 11.6	56 13.1	58 14.6	57 13.9	56 13.3	55 12.6	54 12	52 11.3	51 10.7	50 9.9	48 9.1	47 8.3	46 7.6	44 6.8	43 6

Source: CAMS, Vaisala Xweather