Portland, Maine Weather Forecast | AerisWeather

Local

Portland, ME, US

43.65737, -70.2589

Air Quality

Updated 3 minutes ago

23

Good

Primary Pollutant: PM2.5

O3	10 µg/m3 (4)
PM2.5	6 µg/m3 (23)
PM10	3 µg/m3 (3)

CO	54 µg/m3 (1)
NO2	30 µg/m3 (15)
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	25	O3	3.3 (14)	6 (5)	n/a	55 (25)	n/a	2.882 (2)
New Castle	20	O3	n/a	n/a	n/a	43 (20)	n/a	n/a
Cape Elizabeth	20	O3	n/a	n/a	n/a	43 (20)	n/a	n/a
Shapleigh	26	O3	n/a	n/a	n/a	57 (26)	n/a	n/a
Portland	20	O3	3 (12)	n/a	4.7 (2)	45 (20)	n/a	n/a
Lewiston	12	PM2.5	3 (12)	n/a	n/a	n/a	n/a	n/a
Gardiner	23	O3	n/a	n/a	n/a	51 (23)	n/a	n/a
Lisbon Falls	22	O3	n/a	n/a	n/a	49 (22)	n/a	n/a
Phippsburg	20	O3	n/a	n/a	n/a	45 (20)	n/a	n/a
Portland	17	PM2.5	4 (17)	6 (5)	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, May 3													Saturday, May 4																								Sunday, May 5																								Monday, May 6																								Tuesday, May 7
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
23	30	35	21	21	20	19	19	19	19	20	18	17	17	17	17	18	17	17	17	20	20	23	25	26	28	27	25	26	26	27	28	27	27	26	23	21	21	21	20	21	21	19	20	21	24	25	27	30	32	34	36	37	35	34	32	31	28	25	24	22	21	21	22	24	25	26	26	26	25	26	27	28	30	33	36	37	38	40	37	37	37	37	33	31	32	32	32	32	32	33	31	31	31
PM2.5	NO2	NO2	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	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	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

E	SE	SSE	SSE	SSE	SSE	S	S	SSW	SSW	SW	WSW	W	WNW	SE	SSE	SE	SE	E	E	ENE	NE	ENE	E	SE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE	S	S	SW	SW	WSW	W	W	WSW	W	W	SW	SSW	S	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	SW	SSW	S	S	SSE	SSE	SSE	SSE	SSE	SE	NNE	NNE	NW	NW	WNW	WNW	WNW	NW	NW	NW	NNW	NNW
6 9	5 8	6 9	6 10	7 11	6 9	6 9	5 9	5 8	5 8	4 7	4 7	4 6	1 2	5 8	4 6	4 6	3 6	4 6	4 6	4 6	4 6	4 7	5 8	7 11	9 14	8 13	8 13	8 13	8 13	7 12	7 11	6 10	5 7	4 6	4 6	3 5	3 5	3 5	3 5	3 5	3 5	3 5	3 4	1 2	4 6	5 8	7 12	9 15	10 17	11 18	12 20	12 19	11 17	10 16	10 16	9 15	10 16	10 16	10 17	11 18	11 18	11 17	11 17	10 16	10 16	9 15	9 14	8 12	7 11	5 9	5 8	4 7	4 7	5 9	6 10	8 12	7 11	6 10	4 6	2 4	1 2	2 3	2 3	2 3	3 5	4 6	5 8	5 9	5 8	5 9	5 8	4 6	3 5
52 11.4	54 12.2	55 13	56 13.3	56 13.1	55 12.6	54 12.1	53 11.5	51 10.7	49 9.4	47 8.5	46 7.8	45 7.3	45 7.3	44 6.9	44 6.6	44 6.5	43 6.3	43 6.1	43 6	46 7.5	49 9.4	50 10.2	51 10.8	52 11.2	53 11.5	53 11.4	52 11	52 11	51 10.7	50 10.2	49 9.6	48 9	46 8	46 7.6	45 7.2	44 6.8	44 6.5	43 6.3	43 6.1	43 5.9	42 5.7	42 5.4	44 6.4	45 7.4	47 8.4	49 9.6	51 10.7	53 11.8	52 11.3	51 10.8	50 10.2	50 9.8	49 9.4	48 8.9	48 8.6	47 8.3	46 8	46 8	46 8.1	47 8.1	47 8.2	47 8.3	47 8.5	47 8.4	47 8.4	47 8.4	49 9.3	50 10.1	52 10.9	54 12.5	57 14	60 15.6	62 16.5	63 17.5	65 18.4	65 18.3	65 18.2	65 18.1	62 16.9	60 15.6	58 14.4	56 13.5	55 12.7	53 11.9	53 11.6	52 11.3	52 11	51 10.5	50 9.9	49 9.4	51 10.8	54 12.1	56 13.5

Source: CAMS, Vaisala Xweather

Powered by Vaisala Xweather