Spearfish, South Dakota Weather Forecast

Local

Spearfish, SD, US

44.49082, -103.85937

Air Quality

Updated an hour ago

Moderate

Primary Pollutant: PM2.5

O3	66 µg/m3 (30)
PM2.5	13 µg/m3 (53)
PM10	20 µg/m3 (18)

CO	414 µg/m3 (4)
NO2	10 µg/m3 (5)
SO2	4 µg/m3 (2)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Newcastle	33	O3	n/a	n/a	n/a	73 (33)	n/a	n/a
Summerset	31	O3	n/a	1 (1)	n/a	69 (31)	n/a	n/a
Rapid City	13	PM2.5	3.2 (13)	5 (5)	n/a	n/a	n/a	n/a
Rapid City	22	PM2.5	5.4 (22)	15 (14)	n/a	n/a	n/a	n/a
Newcastle	32	O3	n/a	n/a	n/a	71 (32)	n/a	n/a
Blackhawk	34	O3	n/a	0 (0)	n/a	74 (34)	n/a	n/a

Source: Bureau of Land Management - Wyoming, South Dakota Department of Agriculture and Natural Resources, Unknown Governmental Organization

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Saturday, Dec 21																				Sunday, Dec 22																								Monday, Dec 23																								Tuesday, Dec 24																								Wednesday, Dec 25
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
39	40	40	40	40	38	38	38	39	39	39	38	37	36	36	36	35	35	34	34	34	33	33	34	34	34	35	34	34	34	35	35	37	37	37	37	37	36	36	37	37	37	37	37	37	37	38	38	38	38	37	37	37	35	34	31	30	31	34	38	33	29	30	30	31	31	31	32	40	39	39	40	39	39	36	34	33	34	35	36	38	39	41	39	37	35	35	35	36	35	35	34	32	30	28	27	28
PM2.5	PM2.5	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	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5

WSW	SW	SW	SW	SW	SW	SW	WSW	WSW	WSW	W	SSW	S	S	SSW	S	S	S	S	SSW	SSW	SSW	SW	SW	SW	WSW	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	WSW	WSW	WSW	W	W	W	SW	SW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW
9 14	9 14	9 14	9 14	9 15	8 13	7 12	7 12	7 12	7 11	6 10	6 10	6 10	6 10	6 10	6 10	6 10	6 9	6 9	6 9	6 9	6 10	7 11	8 12	8 13	9 14	9 14	9 14	10 16	12 19	13 20	14 23	15 24	15 24	14 23	13 21	11 18	10 16	10 17	11 18	12 19	11 18	11 17	10 17	10 16	9 15	9 14	8 13	7 12	7 11	6 10	6 10	6 9	5 8	4 7	4 6	4 7	5 8	5 9	5 8	5 8	5 8	5 8	6 9	6 10	6 10	7 11	7 11	7 12	7 12	7 12	8 12	8 12	8 13	7 12	7 11	7 11	6 10	6 9	5 9	6 9	6 9	6 9	6 9	6 10	6 10	6 10	7 11	7 11	7 12	8 12	8 13	8 13	8 13	8 14	9 14	9 14
37 3	37 3	38 3.2	39 3.8	40 4.5	44 6.8	49 9.6	53 11.6	57 13.8	57 14.1	58 14.4	56 13.2	52 11	47 8.4	46 8	43 6.1	42 5.5	42 5.8	42 5.6	42 5.8	41 5.2	41 5	40 4.7	40 4.7	40 4.7	41 4.9	41 4.9	42 5.3	42 5.3	43 6.2	44 6.8	46 7.7	47 8.2	47 8.6	46 8	45 7.4	43 6.2	41 5	40 4.2	38 3.3	37 2.5	36 2.4	36 2.3	36 2.2	35 1.9	35 1.7	35 1.4	34 1.1	33 0.8	33 0.5	33 0.3	32 0.2	32 0.1	36 2.3	40 4.5	44 6.7	45 7	45 7.3	46 7.5	43 6.4	41 5.2	39 4.1	39 3.9	39 3.8	39 3.7	38 3.5	38 3.4	38 3.2	37 3	37 2.8	37 2.6	36 2.4	36 2.2	36 2	37 2.8	39 3.6	40 4.4	41 5.2	43 6	44 6.8	43 6.3	42 5.8	41 5.2	40 4.7	40 4.2	39 3.7	38 3.5	38 3.3	38 3.1	37 3	37 2.8	37 2.6	37 2.8	37 2.9	37 3	38 3.2	38 3.3

Source: CAMS, Vaisala Xweather