Great Falls, Montana Weather Forecast

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Great Falls, MT, US

47.50024, -111.30081

Air Quality

Updated an hour ago

Good

Primary Pollutant: O3

O3	70 µg/m3 (32)
PM2.5	5 µg/m3 (20)
CO	126 µg/m3 (1)

NO2	2 µg/m3 (0)
SO2	0 µg/m3 (0)

Source: US EPA AirNow, Montana DEQ, OpenAQ, AirNow (EPA), CAMS

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Great Falls	21	PM2.5	5.2 (21)	n/a	n/a	n/a	n/a	n/a
Great Falls	19	PM2.5	4.7 (19)	n/a	n/a	n/a	n/a	n/a

Source: AirNow (EPA), Montana DEQ, US EPA AirNow, OpenAQ

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Saturday, Apr 1		Sunday, Apr 2																								Monday, Apr 3																								Tuesday, Apr 4																								Wednesday, Apr 5
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
35	35	35	35	35	40	40	40	40	35	35	35	35	35	40	40	40	40	40	40	40	35	35	30	30	30	30	30	30	30	30	30	30	30	30	30	35	35	35	35	35	35	35	35	35	35	30	30	30	30	30	30	30	30	30	30	30	30	30	35	35	35	35	35	35	35	35	35	35	35	35	35	35	30	30	35	35	35	35	35	35	35	35	35	35	35	35	35	35	35	35	35	35	35	30	30	30
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	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

WSW	SW	SW	SW	SW	WSW	SW	WSW	SW	SW	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WNW	WNW	WNW	N	N	N	NNE	NNE	NNE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	NE	NE	NE	NE	NE	WNW	WNW	WNW	WNW	WNW	WNW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
22 36	22 36	25 40	26 42	27 43	28 45	30 48	30 48	26 41	24 39	23 38	26 41	26 42	27 43	27 43	26 41	23 38	22 36	22 36	18 30	17 27	13 21	11 18	9 14	8 13	7 11	7 11	7 11	7 11	6 9	6 9	6 9	6 9	6 9	6 9	6 9	6 9	6 9	6 10	7 12	8 14	10 16	11 17	11 18	12 20	11 18	10 16	9 14	9 14	8 13	8 13	7 11	6 10	6 9	6 9	6 9	6 9	6 10	6 10	7 11	7 11	7 11	7 11	8 12	9 14	10 16	10 17	11 17	11 18	11 17	10 16	10 15	9 14	8 14	8 13	8 12	7 12	7 12	7 11	7 11	7 11	7 11	7 12	8 13	8 13	9 14	9 14	9 14	9 14	9 14	9 14	9 14	9 14	9 14	9 14	8 14	8 13
34 1	32 0	31 0	31 0	31 0	31 -1	30 -1	30 -1	29 -2	30 -1	30 -1	32 0	35 2	37 3	38 4	39 4	40 5	41 5	41 5	42 6	40 4	39 4	36 2	32 0	30 -1	28 -2	27 -3	26 -3	26 -3	25 -4	24 -4	23 -5	23 -5	23 -5	25 -4	27 -3	29 -2	32 0	34 1	35 2	36 2	37 3	36 2	36 2	35 2	32 0	30 -1	27 -3	26 -3	26 -4	25 -4	25 -4	24 -4	24 -4	23 -5	23 -5	22 -6	23 -5	23 -5	24 -4	26 -3	29 -2	31 -1	32 0	33 1	34 1	33 1	33 0	32 0	30 -1	29 -2	27 -3	26 -3	24 -4	23 -5	23 -5	22 -5	22 -6	22 -6	21 -6	21 -6	23 -5	25 -4	28 -3	30 -1	32 0	34 1	35 2	36 2	38 3	39 4	40 4	41 5	39 4	36 2	34 1	32 0

Source: CAMS