Johnstown, Pennsylvania Weather Forecast

Local

Johnstown, PA, US

40.32674, -78.92197

Air Quality

Updated 4 minutes ago

Good

Primary Pollutant: PM2.5

O3	46 µg/m3 (21)
PM2.5	7 µg/m3 (28)
PM10	11 µg/m3 (10)

CO	206 µg/m3 (2)
NO2	4 µg/m3 (2)
SO2	16 µg/m3 (8)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Kittanning	57	O3	5.5 (23)	n/a	n/a	114 (57)	n/a	n/a
Johnstown	43	O3	5 (21)	n/a	n/a	94 (43)	n/a	n/a
Altoona	39	O3	3 (12)	n/a	n/a	86 (39)	n/a	n/a
Strongstown	44	O3	5.4 (22)	n/a	n/a	96 (44)	n/a	n/a
Bovard	44	O3	7.6 (31)	n/a	n/a	96 (44)	n/a	n/a
Rockwood	48	O3	n/a	n/a	n/a	106 (48)	n/a	n/a
Salisbury	50	O3	5 (21)	n/a	3.008 (1)	110 (50)	229 (2)	2.096 (1)
Liberty	32	PM2.5	7.8 (32)	n/a	n/a	n/a	n/a	n/a
Natrona Heights	49	O3	n/a	n/a	n/a	108 (49)	n/a	n/a
North Braddock	36	PM2.5	8.7 (36)	n/a	n/a	n/a	n/a	n/a

Source: Pennsylvania Dept. of Environmental Protection, EPA Office of Atmospheric Protection, Maryland Department of the Environment, Allegheny County

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Friday, May 3										Saturday, May 4																								Sunday, May 5																								Monday, May 6																								Tuesday, May 7
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	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm
29	32	35	43	39	33	37	39	38	36	33	29	26	25	24	23	22	22	21	21	22	25	26	27	27	27	27	27	27	27	29	28	26	24	22	21	21	21	21	21	21	21	20	20	21	22	24	25	25	25	26	29	30	29	29	29	30	29	27	32	42	46	51	49	47	41	37	24	29	37	39	41	43	43	43	44	42	45	52	54	55	56	55	52	52	46	33	38	38	42	46	42	42	46	47	48	49
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	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	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	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3

SSE	SSE	SE	SSE	SSE	SE	SE	S	SSE	SSE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SE	SE	SSE	SSE	SSE	S	S	SSW	SSW	SSW	SSW	SW	SW	WSW	W	W	WNW	W	WNW	WNW	WNW	NW	NW	NNW	NNW	NNW	WSW	SW	SSW	SSW	SSW	S	ESE	SE	SSE	SSE	SE	SE	SSW	WSW	WSW	WSW	WSW
9 14	8 14	8 13	9 14	4 6	5 8	7 11	7 12	6 10	6 10	7 11	8 12	8 13	9 14	8 14	9 14	8 13	8 13	8 12	9 15	10 16	10 16	11 18	12 19	12 20	13 20	12 19	11 18	11 18	12 19	12 19	12 20	12 19	12 19	13 21	13 21	12 20	12 19	12 19	11 18	10 16	10 16	9 15	9 14	9 15	10 16	10 16	9 15	9 14	8 13	8 13	8 13	6 10	5 9	4 7	4 7	4 7	5 8	4 7	4 6	4 6	3 6	3 5	3 4	3 4	3 4	2 4	2 4	3 4	3 5	4 6	4 6	4 6	4 6	3 5	3 5	3 4	2 3	2 3	1 2	1 1	2 3	1 2	2 3	2 3	2 3	1 1	1 2	1 2	1 2	1 2	1 2	1 1	1 1	1 2	3 4	4 7
79 25.9	79 26.4	80 26.6	80 26.4	78 25.4	75 24	73 22.6	71 21.5	68 20.1	66 18.7	62 16.8	61 15.9	58 14.5	56 13.6	55 13	54 12.4	54 12.1	53 11.8	53 11.7	52 11.4	53 11.6	54 12.1	54 12.5	55 12.9	56 13.1	55 12.8	55 13.1	55 12.8	55 12.7	54 12.3	53 11.9	53 11.7	53 11.6	53 11.6	53 11.5	52 11.4	52 11.4	55 12.7	55 12.6	55 12.6	55 12.7	55 12.9	55 13	58 14.5	61 16	64 17.6	64 18	65 18.3	66 18.8	67 19.5	68 20.2	70 20.9	68 20.2	67 19.5	66 18.8	65 18.4	65 18.1	64 17.7	63 17.5	63 17.4	63 17.2	63 17.1	62 16.9	62 16.7	62 16.9	63 17.1	63 17.2	64 18	66 18.8	67 19.6	69 20.5	70 21.3	72 22.2	71 21.8	70 21.4	70 21	69 20.4	68 19.8	66 19.2	65 18.2	63 17.3	61 16.3	62 16.5	62 16.6	62 16.8	62 16.6	61 16.3	61 16.1	62 16.5	62 16.9	63 17.3	65 18.4	67 19.5	69 20.6	71 21.5	72 22.4	74 23.2

Source: CAMS, Vaisala Xweather