Spearfish, South Dakota Weather Forecast

Local

Spearfish, SD, US

44.49082, -103.85937

Air Quality

Updated 19 minutes ago

Good

Primary Pollutant: PM2.5

O3	77 µg/m3 (35)
PM2.5	10 µg/m3 (40)
PM10	18 µg/m3 (16)

CO	163 µg/m3 (2)
NO2	8 µg/m3 (4)
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)
Newcastle	37	O3	n/a	n/a	n/a	82 (37)	n/a	n/a
Summerset	42	O3	n/a	4 (4)	n/a	92 (42)	n/a	n/a
Rapid City	9	PM10	n/a	10 (9)	n/a	n/a	n/a	n/a
Rapid City	20	PM10	4 (17)	22 (20)	n/a	n/a	n/a	n/a
Newcastle	38	O3	n/a	n/a	n/a	84 (38)	n/a	n/a
Blackhawk	45	O3	n/a	8 (7)	n/a	100 (45)	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)

Sunday, May 19	Monday, May 20																								Tuesday, May 21																								Wednesday, May 22																								Thursday, May 23
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
39	40	43	42	25	25	26	26	25	26	26	27	27	27	27	29	28	28	28	28	27	25	20	16	18	20	20	22	21	20	20	23	19	18	22	25	26	29	32	33	38	37	37	37	36	38	32	27	26	25	23	22	16	28	28	29	32	36	39	42	44	46	47	48	49	49	51	53	46	42	38	37	35	34	34	33	33	33	32	32
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	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM10	PM10	PM10	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

WNW	WNW	WNW	WNW	W	W	W	W	W	NW	NW	NNW	NNW	N	NE	SSE	SSE	SSE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSW	WNW	NNW	NNW	NNW	NNW	NNW	N	N	N	NW	N	N	N	N	N	N	NNW	NNW	NNW	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	WSW	WSW	WSW	SW	SW	SW	SSW	SSW	SSW	S	S	S	S	S	S	S	S	S	S	S	S	S
12 19	12 20	11 18	10 16	8 12	6 10	6 9	4 7	4 7	4 7	6 9	5 9	5 8	5 9	4 7	4 7	5 9	5 9	5 9	6 9	4 7	3 5	3 5	3 4	2 4	2 4	2 4	2 4	3 5	3 5	4 7	4 7	5 9	6 9	7 11	8 12	8 12	9 14	9 14	9 15	9 15	9 14	9 14	9 14	8 12	7 11	6 10	6 10	6 9	6 9	6 9	6 9	6 10	6 9	6 9	6 9	6 9	6 9	6 9	6 9	6 9	6 10	6 10	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 11	6 10	6 10	6 10	6 9	6 9
52 11.1	49 9.3	48 8.7	46 7.7	45 7.2	43 6.3	43 6	44 6.4	46 7.7	48 9.1	51 10.3	52 11	53 11.8	54 12.3	54 12.3	54 12.3	54 12.3	54 12.3	54 12.3	54 12.3	53 11.9	52 10.9	49 9.4	47 8.2	46 7.8	46 7.7	45 7.1	45 7.1	45 7	45 7	45 7	45 7	45 7.2	46 7.7	47 8.4	48 9	50 9.9	51 10.6	52 11	52 11.4	53 11.7	53 11.5	52 11.4	52 11.2	51 10.4	49 9.6	48 8.8	47 8.5	47 8.2	46 7.9	46 7.6	45 7.4	45 7.2	45 7	44 6.9	44 6.7	47 8.4	50 10.1	53 11.8	56 13.1	58 14.3	60 15.6	61 16.2	62 16.8	63 17.4	63 17.2	63 17	62 16.8	60 15.8	59 14.8	57 13.9	55 12.9	53 11.9	52 11	52 10.9	51 10.7	51 10.6	51 10.5	51 10.3	50 10.2

Source: CAMS, Vaisala Xweather