Portland, Maine Weather Forecast | AerisWeather

Local

Portland, ME, US

43.65737, -70.2589

Air Quality

Updated 37 minutes ago

31

Good

Primary Pollutant: PM2.5

O3	60 µg/m3 (27)
PM2.5	8 µg/m3 (31)
PM10	10 µg/m3 (9)

CO	447 µg/m3 (4)
NO2	10 µg/m3 (5)
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)
Portsmouth	24	O3	4.4 (18)	11 (10)	n/a	53 (24)	n/a	3.668 (2)
New Castle	21	O3	n/a	n/a	n/a	47 (21)	n/a	n/a
Cape Elizabeth	33	O3	n/a	n/a	n/a	73 (33)	n/a	n/a
Shapleigh	21	O3	n/a	n/a	n/a	47 (21)	n/a	n/a
Portland	21	PM2.5	5 (21)	n/a	39 (19)	24 (11)	n/a	n/a
Gardiner	27	O3	n/a	n/a	n/a	59 (27)	n/a	n/a
Lisbon Falls	14	O3	n/a	n/a	n/a	31 (14)	n/a	n/a
Phippsburg	26	O3	n/a	n/a	n/a	57 (26)	n/a	n/a
Portland	27	PM2.5	6.6 (27)	13 (12)	n/a	n/a	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, Apr 26																						Saturday, Apr 27																								Sunday, Apr 28																								Monday, Apr 29																								Tuesday, Apr 30
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	12am	1am	2am
30	34	34	31	21	22	24	28	32	34	36	38	38	38	38	38	38	36	34	31	28	26	25	25	31	31	31	30	29	29	34	33	34	37	41	43	43	43	42	42	42	41	39	37	35	36	34	33	32	36	42	42	50	50	51	44	39	39	42	44	45	45	43	40	45	43	45	57	57	58	57	54	55	54	51	48	41	36	28	30	33	36	37	39	41	41	42	43	43	42	42	41	39	38	37	36	34
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	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	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	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	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3

NNW	NNW	NNW	NNW	NW	NW	WNW	WNW	NW	NNW	NNW	S	S	S	S	S	SSW	S	S	SW	SW	SW	WSW	WSW	WNW	WNW	WNW	NW	NW	NW	N	E	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	WSW	WSW	SW	SSW	SSW	SSW	S	S	S	S	S	S	S	S	S	S	S	SSW	N	N	N	N	N	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	NE	NE	NE	ENE	E	E	ESE	SE	SE	SSE	S	S	S	SSW	SSW
4 7	4 6	4 6	4 6	4 6	4 6	3 5	3 6	4 7	4 7	3 6	0 1	6 10	8 13	8 13	9 15	10 16	8 12	7 11	6 10	6 10	5 8	4 6	5 7	5 8	5 8	5 8	5 8	5 8	4 6	2 3	2 4	4 7	6 10	7 12	9 14	10 15	10 16	10 16	9 15	8 13	7 11	7 11	8 12	7 12	7 11	7 11	5 9	4 7	4 6	4 6	3 5	3 5	3 5	3 5	5 8	7 11	8 14	10 16	10 17	11 18	11 18	10 16	9 14	8 13	7 12	6 9	4 6	1 2	0 1	2 3	3 4	4 6	4 6	4 6	4 7	5 8	7 11	7 12	10 16	10 15	9 15	9 14	9 14	8 14	8 13	8 13	7 11	6 9	5 8	5 8	3 5	3 6	2 4	2 4	3 5	3 5
33 0.6	32 0.2	31 -0.4	31 -0.8	30 -1.1	33 0.3	38 3.5	43 6.2	47 8.4	49 9.2	49 9.7	50 10.1	50 10.1	50 10.2	50 10.1	50 9.8	48 9.1	46 8	44 6.4	42 5.3	40 4.4	39 3.7	37 3	36 2.2	34 1.3	33 0.8	33 0.5	32 0.2	32 0.3	36 2	42 5.6	47 8.2	51 10.4	52 11.1	53 11.4	53 11.5	53 11.4	55 13	55 12.6	54 12.2	51 10.8	49 9.5	47 8.1	45 7.5	44 6.8	43 6.2	42 5.7	41 5.2	40 4.7	40 4.5	40 4.5	40 4.3	42 5.4	44 6.4	45 7.5	49 9.2	52 10.9	55 12.6	56 13.1	57 13.7	58 14.2	57 14.1	57 14	57 13.9	55 12.8	53 11.7	51 10.6	50 10.2	50 9.8	49 9.4	48 9.1	48 8.9	47 8.6	48 8.9	49 9.2	49 9.5	51 10.6	53 11.7	55 12.8	57 14	60 15.3	62 16.6	63 17.1	64 17.6	65 18.1	65 18.1	64 18	64 18	62 16.4	59 14.9	56 13.4	54 12.4	53 11.5	51 10.6	50 10	49 9.4	48 8.8

Source: CAMS, Vaisala Xweather

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