Portland, Maine Weather Forecast | AerisWeather

Local

Portland, ME, US

43.65737, -70.2589

Air Quality

Updated 37 minutes ago

38

Good

Primary Pollutant: PM2.5

O3	64 µg/m3 (29)
PM2.5	9 µg/m3 (38)
PM10	18 µg/m3 (16)

CO	270 µg/m3 (3)
NO2	22 µg/m3 (11)
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)
Portsmouth	55	PM2.5	14 (55)	50 (45)	n/a	29 (13)	n/a	4.716 (3)
New Castle	26	O3	n/a	n/a	n/a	57 (26)	n/a	n/a
Cape Elizabeth	24	O3	n/a	n/a	n/a	53 (24)	n/a	n/a
Portland	53	PM2.5	13 (53)	n/a	11 (5)	47 (21)	n/a	n/a
Lewiston	91	PM2.5	31 (91)	32 (29)	n/a	n/a	n/a	n/a
Shapleigh	24	O3	n/a	n/a	n/a	53 (24)	n/a	n/a
Gardiner	21	O3	n/a	n/a	n/a	47 (21)	n/a	n/a
Kennebunkport	23	O3	n/a	n/a	n/a	51 (23)	n/a	n/a
Lisbon Falls	23	O3	n/a	n/a	n/a	51 (23)	n/a	n/a
Phippsburg	20	O3	n/a	n/a	n/a	43 (20)	n/a	n/a

Source: New Hampshire Dept. of Environmental Services, Maine Dept. of Environmental Protection

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
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	7pm	8pm	9pm
35	34	38	41	42	46	46	46	42	44	44	44	41	33	33	42	42	42	38	38	42	42	42	42	38	38	38	38	38	43	43	40	40	43	44	48	45	38	38	39	40	44	45	44	38	40	38	33	31	28	30	33	38	38	38	42	38	36	36	38	32	29	24	27	30	31	31	36	34	36	41	47	52	55	53	53	51	51	51	49	49	49	49	46	46	46	54	71	88	106	100	94	88	82	76	70	65
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	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	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	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	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3

NW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	NW	NW	NW	NNW	NE	E	SE	SE	SSE	SSE	SSE	S	S	S	SSW	S	SSW	SSW	SW	SW	SW	WSW	W	WNW	NW	NE	ENE	E	E	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	NE	NE	NE	ENE	ENE	ENE	E	E	E	E	E	E	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S
4 6	4 6	4 6	4 6	4 6	4 6	3 4	3 4	3 4	3 4	3 5	4 6	3 5	2 4	4 7	6 9	7 11	7 11	7 11	7 11	7 11	7 11	7 12	6 10	3 4	3 4	3 4	3 4	2 4	2 4	2 4	2 3	2 3	2 3	2 3	2 3	2 4	3 5	3 5	5 8	6 10	8 12	8 13	8 13	8 13	7 11	6 10	6 9	5 7	4 6	3 4	3 4	2 4	2 4	2 4	3 4	3 4	3 5	3 6	4 6	5 7	5 8	6 10	7 11	8 13	9 14	9 14	8 14	8 13	7 12	6 10	6 9	5 9	5 9	5 8	5 8	5 8	5 8	5 8	5 8	5 9	6 9	6 9	6 10	7 11	8 13	9 14	10 16	11 17	12 19	11 18	11 17	10 16	10 16	9 15	9 14	8 13
70 21.2	69 20.6	68 20	66 18.9	65 18.5	64 17.9	63 17.2	62 16.7	61 16.2	63 17.3	65 18.5	68 19.9	71 21.6	74 23.5	75 24	76 24.6	77 24.9	77 25.2	78 25.5	77 24.9	76 24.4	75 23.6	72 22.1	70 21.1	70 21	68 20	67 19.6	66 18.9	65 18.4	64 17.8	63 17.1	61 16.2	60 15.6	63 17.1	65 18.5	67 19.6	69 20.8	72 22.2	75 23.6	75 24	76 24.4	77 24.8	76 24.5	76 24.3	75 24	73 22.9	71 21.8	69 20.7	68 20.1	67 19.5	66 18.9	66 18.6	65 18.4	65 18.1	64 17.8	64 17.5	63 17.2	64 17.8	65 18.4	66 18.9	68 20	70 21	72 22.1	72 22.4	73 22.8	74 23.2	74 23.1	73 23	73 22.9	72 22.2	71 21.4	69 20.7	69 20.5	69 20.3	68 20.1	68 19.9	68 19.7	67 19.5	67 19.6	67 19.6	67 19.7	68 19.8	68 19.8	68 19.9	69 20.6	70 21.3	72 22	73 22.8	74 23.5	76 24.2	75 23.9	74 23.5	74 23.1	73 22.8	72 22.4	72 22	71 21.8

Source: CAMS, Vaisala Xweather

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