Helena, Montana Weather Forecast | AerisWeather

Local

Helena, MT, US

46.59271, -112.03611

Air Quality

Updated 8 minutes ago

45

Good

Primary Pollutant: O3

O3	100 µg/m3 (45)
PM2.5	5 µg/m3 (21)
PM10	10 µg/m3 (9)

CO	293 µg/m3 (3)
NO2	4 µg/m3 (2)
SO2	2 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)
Wolf Creek	45	O3	5.6 (23)	n/a	n/a	100 (45)	115 (1)	n/a
Butte	8	PM2.5	2 (8)	8 (7)	n/a	n/a	n/a	n/a
Helena Valley West Central	40	PM2.5	9.8 (40)	n/a	n/a	n/a	n/a	n/a
Butte	43	PM2.5	10 (43)	1 (1)	n/a	n/a	n/a	n/a
Helena Valley Northwest	45	O3	5.1 (21)	n/a	n/a	100 (45)	115 (1)	n/a
Butte	8	PM2.5	2 (8)	8 (7)	n/a	n/a	n/a	n/a
Helena Valley Northwest	45	O3	5.6 (23)	n/a	n/a	100 (45)	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, Apr 25						Friday, Apr 26																								Saturday, Apr 27																								Sunday, Apr 28																								Monday, Apr 29
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	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm
47	46	46	40	20	17	16	15	14	12	12	13	21	39	52	37	21	23	25	26	28	30	32	33	33	34	34	32	30	28	27	26	24	20	19	20	24	29	30	25	22	26	29	29	28	27	26	26	26	25	24	19	17	17	21	25	33	38	38	33	33	31	28	30	33	36	33	37	38	38	37	37	36	35	33	31	30	29	28	27	25	24	24	24	23	28	32	37	39	42	44	46	48	50	50	50	51
O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM10	PM10	PM10	PM10	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM10	PM2.5	PM2.5	PM2.5	PM10	PM10	O3	O3	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	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

NW	NW	WNW	WNW	WNW	W	W	W	W	W	W	W	W	WNW	NW	NNW	NNW	SE	N	N	N	N	SE	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NW	WNW	WNW	WNW	WNW	SE	SE	SE	SE	SE	SE	NW	NW	NW	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	W	W	W	W	W	W	W
11 18	11 17	10 16	9 14	8 13	7 11	6 10	6 10	6 9	6 9	6 9	5 8	5 8	5 8	5 8	6 9	7 11	9 14	11 17	12 19	13 21	15 24	15 24	15 24	14 23	13 21	12 20	12 19	11 18	10 17	10 16	9 14	8 13	8 13	7 11	6 9	6 9	5 8	4 7	4 6	4 7	4 7	4 7	5 8	5 8	6 9	6 10	7 11	8 13	7 11	6 10	6 9	6 9	6 9	6 10	6 9	6 9	6 9	6 10	6 10	7 11	8 13	9 14	10 16	12 19	14 23	16 26	16 26	17 27	17 28	18 28	18 29	18 29	16 26	15 24	13 22	12 19	10 17	9 14	9 14	9 14	8 13	8 13	8 13	8 12	9 15	11 17	12 20	14 22	15 25	17 27	18 29	19 30	20 32	21 33	21 34	22 36
64 17.8	62 16.8	58 14.7	55 13	52 11.3	52 11	51 10.4	49 9.6	48 8.8	47 8.6	47 8.1	45 7.5	45 7.2	44 6.9	47 8.1	48 8.8	50 9.9	51 10.8	53 11.5	52 11.3	53 11.9	53 11.6	52 11.3	53 11.7	51 10.6	49 9.5	48 9	46 7.8	45 7.1	44 6.9	44 6.8	43 6.3	42 5.8	42 5.4	41 4.9	40 4.7	40 4.7	41 5.2	42 5.6	43 6.1	45 7.2	47 8.3	49 9.4	50 9.8	50 10.3	51 10.7	51 10.4	50 10	49 9.7	48 8.9	47 8.2	45 7.4	45 7.2	45 7	44 6.7	43 6.1	42 5.5	41 4.8	40 4.4	39 4	38 3.6	40 4.7	42 5.8	44 6.8	48 8.7	51 10.5	54 12.3	56 13.1	57 13.9	58 14.6	58 14.7	59 14.8	59 14.9	56 13.6	54 12.3	52 11.1	50 9.8	47 8.6	45 7.3	44 6.8	43 6.2	42 5.7	41 5.1	40 4.6	39 4	41 5.2	43 6.4	46 7.5	48 8.7	50 9.8	52 11	52 11.1	52 11.2	52 11.3	52 11.4	53 11.5	53 11.6

Source: CAMS, Vaisala Xweather

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