Helena, Montana Weather Forecast | AerisWeather

Local

Helena, MT, US

46.59271, -112.03611

Air Quality

Updated 15 minutes ago

22

Good

Primary Pollutant: O3

O3	47 µg/m3 (22)
PM2.5	3 µg/m3 (12)
PM10	10 µg/m3 (9)

CO	150 µg/m3 (1)
NO2	6 µg/m3 (3)
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)
Wolf Creek	37	O3	n/a	n/a	n/a	82 (37)	115 (1)	n/a
Butte	11	PM10	n/a	12 (11)	n/a	n/a	n/a	n/a
Butte	11	PM10	n/a	12 (11)	n/a	n/a	n/a	n/a
Helena Valley Northwest	37	O3	n/a	n/a	n/a	82 (37)	115 (1)	n/a

Source: Montana DEQ, Unknown Governmental Organization

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Thursday, May 2		Friday, May 3																								Saturday, May 4																								Sunday, May 5																								Monday, May 6
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
22	13	14	13	31	31	29	27	25	22	23	30	33	37	37	37	38	38	38	38	38	37	33	24	25	25	24	19	14	12	11	11	12	13	13	13	16	21	26	31	33	33	33	34	33	31	28	26	25	24	23	25	25	22	21	21	24	24	24	25	26	28	34	37	38	37	39	39	37	39	36	33	32	31	30	31	32	33	33	34	34	35	36	36	35	34	33	34	35	36	37	39	40	40	41	41	41
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	PM10	PM10	PM2.5	PM2.5	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	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3

WNW	WNW	WNW	W	W	W	W	W	WSW	WSW	WNW	NW	N	N	N	N	WNW	N	N	N	NNE	NE	NE	NNE	W	W	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	ESE	ESE	ESE	E	E	E	ESE	ESE	ESE	ENE	ENE	ENE	NW	NW	NW	NNE	NNE	NNE	N	N	N	NNW	NNW	NNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
6 10	6 10	6 10	6 9	6 9	6 9	6 9	5 8	4 7	4 7	4 7	4 6	5 8	6 9	7 11	7 11	8 13	8 13	8 13	7 12	7 11	7 11	6 10	6 9	6 9	6 9	4 7	4 7	4 7	3 5	3 5	3 5	4 6	4 6	4 6	5 8	5 8	7 12	9 15	10 16	11 17	12 19	12 19	12 20	13 20	11 17	9 15	8 12	7 11	6 10	6 10	5 9	5 8	4 7	5 7	5 8	5 8	5 9	6 9	6 10	7 11	8 12	8 13	9 14	10 16	10 17	11 19	13 20	14 22	14 22	13 22	13 21	13 21	13 21	13 20	14 22	15 24	16 25	17 27	18 28	19 30	19 31	20 32	20 33	21 34	21 34	22 35	23 36	23 38	24 39	25 40	25 41	26 42	26 41	25 41	25 40	24 39
34 1.1	33 0.7	32 0.2	31 -0.3	30 -0.9	32 0	30 -0.9	29 -1.4	28 -2.2	29 -1.4	32 -0.2	35 1.7	38 3.4	41 5	44 6.7	47 8.3	49 9.4	50 10.2	52 11	52 11.3	53 11.6	51 10.4	48 9	43 6.1	40 4.6	38 3.6	37 2.8	35 1.8	34 1.2	33 0.6	32 -0.3	30 -1	30 -0.9	33 0.3	36 2.2	40 4.4	45 7.2	50 10.1	56 13.1	58 14.7	62 16.4	65 18.1	65 18.5	66 18.9	67 19.3	63 17.4	60 15.4	56 13.5	54 12.3	52 11.2	50 10	49 9.3	47 8.6	46 7.8	45 7.4	44 6.9	44 6.4	45 7.2	46 8	48 8.8	51 10.4	54 12.1	57 13.7	58 14.3	59 14.8	60 15.3	58 14.5	56 13.6	55 12.7	53 11.8	52 10.9	50 9.9	48 9	47 8.1	45 7.1	44 6.7	43 6.3	42 5.8	42 5.4	41 4.9	40 4.5	41 5.2	42 5.8	44 6.5	45 7.1	46 7.8	47 8.4	48 8.6	48 8.9	48 9.1	49 9.4	49 9.6	50 9.9	48 9.2	47 8.5	46 7.8	45 7.1

Source: CAMS, Vaisala Xweather

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