Frederick, Maryland Weather Forecast

Local

Frederick, MD, US

39.41427, -77.41054

Air Quality

Updated 4 minutes ago

Good

Primary Pollutant: PM2.5

O3	26 µg/m3 (12)
PM2.5	5 µg/m3 (21)
PM10	7 µg/m3 (6)

CO	233 µg/m3 (2)
NO2	8 µg/m3 (4)
SO2	0 µg/m3 (0)

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	18	O3	2.6 (11)	5 (5)	n/a	39 (18)	n/a	1.048 (1)
Middleway	16	O3	2.1 (9)	4 (4)	n/a	35 (16)	n/a	n/a
Haymarket	19	O3	n/a	n/a	3.948 (2)	41 (19)	n/a	n/a
Ashburn	19	O3	2.1 (9)	3 (3)	5.264 (3)	41 (19)	n/a	n/a
Arlington	19	O3	n/a	n/a	12 (6)	41 (19)	115 (1)	n/a
Washington D.C.	12	PM2.5	3 (12)	n/a	n/a	n/a	n/a	n/a
Arendtsville	21	O3	2 (8)	n/a	n/a	47 (21)	n/a	n/a
Fayetteville	20	O3	n/a	n/a	n/a	43 (20)	n/a	n/a
Arendtsville	21	O3	n/a	n/a	n/a	47 (21)	n/a	n/a
Washington D.C.	21	O3	2 (8)	n/a	6.016 (3)	47 (21)	344 (3)	n/a

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

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Saturday, May 4		Sunday, May 5																								Monday, May 6																								Tuesday, May 7																								Wednesday, May 8
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	8pm	9pm	10pm
20	23	25	26	22	22	22	22	22	22	21	21	21	22	23	21	22	22	18	19	20	18	17	15	15	16	16	12	11	11	11	11	12	17	16	17	28	32	33	36	37	38	39	40	39	28	28	35	35	39	47	55	64	72	74	71	71	74	71	71	68	64	61	56	55	55	53	59	56	58	64	64	64	62	60	57	55	54	53	52	52	51	51	51	45	41	42	43	44	44	44	43	39	34	35	40	38
PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	O3	O3	O3	O3	O3	PM2.5	PM2.5	O3	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	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	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	PM2.5	PM2.5	PM2.5

ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SSE	S	S	S	S	S	SSE	SSE	S	SSE	SSE	S	S	S	SSW	SSW	SW	SW	SW	WSW	W	NW	NW	NW	WNW	W	W	W	W	WSW	SW	SW	SW	SW	SW	SW	WSW	W	WNW	W	WNW	N	NNE	NNE	NNE	NNE	NE	E	SW	SW	S	SSW	SSW	SSW	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	WNW	W	W	WSW	WSW
8 13	8 13	8 13	7 12	6 10	6 9	5 9	5 8	4 7	4 7	3 5	3 6	4 6	3 5	3 5	5 8	7 11	8 13	9 14	8 13	9 14	8 14	8 13	7 11	6 10	6 10	6 9	5 8	5 8	4 7	4 6	3 5	3 4	3 5	3 5	3 5	4 6	4 6	4 7	4 7	4 7	4 6	4 6	3 5	2 3	5 7	4 7	4 6	4 6	3 5	3 4	2 3	1 2	1 2	1 2	1 2	2 4	3 5	4 6	3 6	2 4	2 3	0 1	2 3	1 2	2 3	3 5	4 7	5 8	5 8	5 9	6 9	5 9	5 9	5 9	5 9	5 8	5 9	5 8	5 7	5 8	5 9	6 9	8 12	9 15	9 15	10 16	11 18	11 18	11 18	11 17	10 15	7 12	5 8	3 5	3 5	3 5
53 11.6	52 11.3	52 11.2	52 11.2	52 11.2	52 11.1	52 11.2	52 11.3	53 11.5	53 11.7	54 12	55 12.6	56 13.4	58 14.2	59 15.2	61 16.2	63 17.4	65 18.2	67 19.3	68 19.8	66 19	66 19	65 18.6	65 18.1	64 17.9	64 17.7	63 17.5	63 17.4	63 17.3	63 17.2	63 17.1	63 17	62 16.8	63 17.1	64 17.7	65 18.4	66 19.1	68 20	70 21.3	74 23.2	76 24.7	76 24.5	77 24.8	77 25	75 23.8	73 22.6	71 21.4	69 20.6	68 19.8	66 19	65 18.4	64 17.9	63 17.4	63 17.3	63 17.2	63 17.1	63 17.2	63 17.2	63 17.3	65 18.2	66 19.1	68 19.9	69 20.6	71 21.4	72 22.1	73 22.5	73 22.9	74 23.4	73 23	72 22.5	72 22.1	70 21.1	68 20.2	67 19.2	66 18.8	65 18.4	64 18.1	64 17.6	63 17.2	62 16.7	63 17.3	64 17.8	65 18.4	68 20.2	72 22.1	75 23.9	78 25.4	80 26.9	83 28.3	83 28.4	83 28.4	83 28.4	81 27.3	79 26.3	78 25.3	75 23.7	72 22.3

Source: CAMS, Vaisala Xweather