Helena, Montana Weather Forecast | AerisWeather

Local

Helena, MT, US

46.59271, -112.03611

Air Quality

Updated 21 minutes ago

101

Unhealthy for Sensitive Groups

Primary Pollutant: PM2.5

O3	100 µg/m3 (46)
PM2.5	36 µg/m3 (101)
PM10	32 µg/m3 (29)

CO	185 µg/m3 (2)
NO2	4 µg/m3 (2)
SO2	1 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	43	O3	10 (42)	n/a	n/a	94 (43)	229 (2)	n/a
Helena	89	PM2.5	30 (89)	n/a	n/a	n/a	n/a	n/a
Butte	124	PM2.5	45 (124)	67 (57)	n/a	n/a	n/a	n/a
Helena Valley West Central	95	PM2.5	33 (95)	n/a	n/a	n/a	n/a	n/a
Butte	105	PM2.5	37 (105)	63 (55)	n/a	n/a	n/a	n/a
Helena Valley Northwest	49	O3	12 (49)	n/a	n/a	108 (49)	229 (2)	n/a

Source: Montana DEQ, Unknown Governmental Organization

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Friday, Jul 26	Saturday, Jul 27																								Sunday, Jul 28																								Monday, Jul 29																								Tuesday, Jul 30
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	11pm
99	101	111	145	46	50	51	54	58	59	58	58	55	52	52	61	81	96	107	112	120	145	150	151	150	135	120	103	91	75	67	63	58	60	63	61	59	59	60	74	77	73	68	64	64	64	68	68	68	71	73	73	89	108	118	131	132	122	122	116	92	79	89	104	92	81	75	71	81	71	62	54	49	49	46	46	46	46	42	42	38	42	50	46	50	64	69	74	78	70	61	52	48	45	42	45	42
PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	PM2.5	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	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5

SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	NE	NNE	NNE	ENE	NW	WNW	WNW	WNW	W	WNW	WNW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WSW	WSW	WSW	SW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	WSW	WSW	WSW	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	WNW	WNW	WNW	WNW	WNW	WNW
4 7	3 5	3 4	3 4	2 4	2 4	2 4	2 4	2 4	2 3	2 4	3 4	4 7	6 9	7 11	8 13	9 14	10 15	10 16	10 15	8 13	7 11	7 11	7 11	7 11	6 9	6 9	6 9	4 6	4 6	4 6	3 4	3 4	3 4	2 4	2 4	2 4	6 10	7 12	9 14	10 16	10 17	11 17	11 17	9 15	8 13	7 11	6 10	6 10	6 9	5 9	5 8	5 8	5 8	5 8	5 8	5 8	4 7	4 7	6 10	8 13	10 16	11 18	12 19	13 21	13 21	13 21	13 21	12 19	10 17	9 15	8 12	6 10	5 8	5 8	5 7	4 7	4 7	4 6	4 6	4 7	5 8	6 9	6 10	7 11	8 13	9 14	10 15	10 17	11 18	12 20	13 21	12 19	11 17	9 15	8 13	7 11
66 19.1	65 18.5	63 17.2	61 16.1	60 15.4	57 13.9	56 13.1	54 12.4	55 12.5	59 14.9	63 17	69 20.8	74 23.3	78 25.6	80 26.9	84 29	86 30	86 30.1	87 30.5	85 29.5	83 28.4	81 27.3	76 24.7	72 22.3	70 21	68 19.8	65 18.3	63 17.4	61 15.9	58 14.5	56 13.3	55 13	57 13.8	60 15.5	64 17.6	68 20.2	73 22.7	77 25	80 26.5	82 28	85 29.5	85 29.5	85 29.5	85 29.5	82 27.9	79 26.3	76 24.7	74 23.1	71 21.5	68 19.8	66 18.8	64 17.7	62 16.7	60 15.8	59 14.8	57 13.9	60 15.6	63 17.3	66 18.9	71 21.7	76 24.4	81 27.2	84 28.6	86 30.1	89 31.6	89 31.7	89 31.7	89 31.8	86 30.1	83 28.3	80 26.6	77 24.8	74 23.1	70 21.3	69 20.3	67 19.3	65 18.2	63 17.2	61 16.2	59 15.2	63 17.1	66 19	70 20.8	73 22.7	76 24.6	80 26.5	80 26.7	80 26.9	81 27.1	81 27.3	82 27.5	82 27.7	79 26.2	77 24.8	74 23.3	71 21.8	69 20.4

Source: CAMS, Vaisala Xweather

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