Johnstown, Pennsylvania Weather Forecast

Local

Johnstown, PA, US

40.32674, -78.92197

Air Quality

Updated 44 minutes ago

Good

Primary Pollutant: PM2.5

O3	49 µg/m3 (22)
PM2.5	9 µg/m3 (37)
PM10	24 µg/m3 (22)

CO	432 µg/m3 (4)
NO2	13 µg/m3 (7)
SO2	4 µg/m3 (2)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Kittanning	25	O3	4.2 (17)	n/a	n/a	55 (25)	n/a	n/a
Altoona	18	O3	3.4 (14)	n/a	n/a	39 (18)	n/a	n/a
Johnstown	24	PM2.5	5.7 (24)	n/a	n/a	12 (5)	n/a	n/a
Strongstown	28	PM2.5	6.8 (28)	n/a	n/a	59 (27)	n/a	n/a
Bovard	31	PM2.5	7.4 (31)	n/a	n/a	29 (13)	n/a	n/a
Rockwood	9	O3	n/a	n/a	n/a	20 (9)	n/a	n/a
Salisbury	29	O3	6 (25)	n/a	2.068 (1)	63 (29)	115 (1)	0 (0)
Liberty	24	PM2.5	5.7 (24)	n/a	n/a	n/a	n/a	n/a
Natrona Heights	24	O3	n/a	n/a	n/a	53 (24)	n/a	n/a
North Braddock	39	PM2.5	9.5 (39)	n/a	n/a	n/a	n/a	n/a

Source: Pennsylvania Dept. of Environmental Protection, AirNow (EPA), 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, Apr 26																Saturday, Apr 27																								Sunday, Apr 28																								Monday, Apr 29																								Tuesday, Apr 30
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	12am	1am	2am	3am	4am	5am	6am	7am	8am
38	30	31	37	49	39	40	40	41	41	41	43	47	43	39	37	34	32	31	30	30	29	29	29	28	28	29	30	31	31	31	31	31	31	30	29	29	29	28	27	27	27	27	27	26	27	29	29	31	35	39	41	42	44	44	44	46	42	52	54	52	58	66	61	55	51	37	49	46	46	46	46	46	46	42	45	48	50	56	57	59	60	47	41	42	42	42	42	42	38	38	38	33	33	33	33	33
PM2.5	PM2.5	O3	O3	PM10	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	PM2.5	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	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

SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	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	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	S	SSW	SSW	SW	SW	SW	WSW	WSW	W	W	W	W	W	W	W	W	W	WSW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	WSW	W	W	W	W	W	W	W	NW	NNW	WSW	SSE	SE	SSE	SSE	SSE	S	S	S	SSW	WSW	WSW	WSW	WSW
7 12	11 17	13 21	14 22	13 21	12 20	11 18	11 17	11 18	11 17	10 17	10 17	11 18	12 19	13 21	14 22	13 21	12 19	11 18	10 16	9 15	9 15	9 14	10 15	10 15	9 14	9 15	10 16	9 15	10 16	9 14	10 16	9 15	9 15	9 15	8 13	7 12	7 12	6 10	6 9	6 9	5 8	5 8	5 8	5 8	5 8	5 8	5 8	6 10	7 12	9 14	10 16	10 17	11 17	10 16	10 16	10 15	9 14	7 11	6 10	4 6	4 6	4 6	4 7	4 7	4 6	4 6	4 6	3 5	3 5	4 6	4 7	5 7	4 6	5 9	7 11	7 11	9 14	9 14	8 12	5 9	3 5	3 5	2 3	4 6	4 7	6 9	4 7	4 7	4 6	4 7	4 6	4 6	3 5	3 5	3 5	2 4
42 5.7	48 9	52 11	55 12.7	57 14.1	59 15	61 15.9	62 16.5	62 16.8	62 16.9	61 16.1	59 14.9	56 13.2	53 11.9	52 11	50 10.3	50 9.9	48 9.2	47 8.5	46 8	45 7.5	45 7.5	45 7.4	44 6.8	44 6.7	44 6.9	47 8.4	50 10.3	53 11.5	52 11.4	53 11.5	56 13.2	58 14.7	60 15.6	61 16.4	61 16.2	59 15.3	57 14	56 13.6	56 13.3	56 13.3	56 13.3	56 13.3	57 13.8	58 14.4	59 14.9	60 15.5	61 16.1	62 16.7	65 18.4	68 20.2	72 22	73 22.7	74 23.4	76 24.2	76 24.4	76 24.7	77 24.9	75 23.9	73 22.9	72 22	70 21.1	68 20.2	67 19.3	65 18.4	63 17.5	62 16.6	62 16.5	62 16.4	61 16.3	62 16.8	63 17.3	64 17.8	68 19.9	72 22	75 24	77 24.8	78 25.5	79 26.3	79 26.4	80 26.5	80 26.6	77 25.2	75 23.8	72 22.4	70 21.4	69 20.4	67 19.3	65 18.3	63 17.3	61 16.3	62 16.5	62 16.8	63 17.1	64 17.6	65 18.1	65 18.6

Source: CAMS, Vaisala Xweather