Mid-Coast

Maine — EPA AirNow monitoring station

Current AQI (PM2.5)

Good

9/2/2026, 4:00:00 PM

Recent Readings

Time	Pollutant	AQI	Category	Type
9/2/2026, 4:00:00 PM	PM2.5		Good	forecast
9/2/2026, 4:00:00 PM	OZONE		Good	forecast
9/1/2026, 4:00:00 PM	PM2.5		Good	forecast
9/1/2026, 4:00:00 PM	OZONE		Good	forecast
8/31/2026, 4:00:00 PM	OZONE		Good	forecast
8/31/2026, 4:00:00 PM	PM2.5		Good	forecast
8/30/2026, 4:00:00 PM	PM2.5		Moderate	forecast
8/30/2026, 4:00:00 PM	OZONE		Good	forecast
8/30/2026, 3:00:00 PM	PM10	6	Good	observation
8/30/2026, 3:00:00 PM	OZONE	26	Good	observation
8/30/2026, 3:00:00 PM	PM2.5	18	Good	observation
8/30/2026, 2:00:00 PM	PM10	6	Good	observation
8/30/2026, 2:00:00 PM	PM2.5	17	Good	observation
8/30/2026, 2:00:00 PM	OZONE	23	Good	observation
8/30/2026, 1:00:00 PM	PM2.5	17	Good	observation
8/30/2026, 1:00:00 PM	PM10	6	Good	observation
8/30/2026, 1:00:00 PM	OZONE	23	Good	observation
8/30/2026, 12:00:00 PM	OZONE	22	Good	observation
8/30/2026, 12:00:00 PM	PM10	6	Good	observation
8/30/2026, 12:00:00 PM	PM2.5	17	Good	observation
8/30/2026, 11:00:00 AM	PM10	6	Good	observation
8/30/2026, 11:00:00 AM	PM2.5	17	Good	observation
8/30/2026, 11:00:00 AM	OZONE	21	Good	observation
8/30/2026, 10:00:00 AM	PM2.5	17	Good	observation
8/30/2026, 10:00:00 AM	OZONE	22	Good	observation
8/30/2026, 10:00:00 AM	PM10	6	Good	observation
8/30/2026, 9:00:00 AM	OZONE	23	Good	observation
8/30/2026, 9:00:00 AM	PM2.5	17	Good	observation
8/30/2026, 9:00:00 AM	PM10	6	Good	observation
8/30/2026, 8:00:00 AM	PM2.5	17	Good	observation
8/30/2026, 8:00:00 AM	OZONE	24	Good	observation
8/30/2026, 8:00:00 AM	PM10	6	Good	observation
8/30/2026, 7:00:00 AM	OZONE	25	Good	observation
8/30/2026, 7:00:00 AM	PM10	6	Good	observation
8/30/2026, 7:00:00 AM	PM2.5	16	Good	observation
8/30/2026, 6:00:00 AM	OZONE	27	Good	observation
8/30/2026, 6:00:00 AM	PM2.5	16	Good	observation
8/30/2026, 6:00:00 AM	PM10	6	Good	observation
8/30/2026, 5:00:00 AM	PM2.5	15	Good	observation
8/30/2026, 5:00:00 AM	OZONE	26	Good	observation
8/30/2026, 5:00:00 AM	PM10	6	Good	observation
8/30/2026, 4:00:00 AM	PM2.5	15	Good	observation
8/30/2026, 4:00:00 AM	OZONE	25	Good	observation
8/30/2026, 4:00:00 AM	PM10	5	Good	observation
8/29/2026, 4:00:00 PM	PM10	5	Good	observation
8/29/2026, 4:00:00 PM	OZONE	24	Good	observation
8/29/2026, 4:00:00 PM	PM2.5	15	Good	observation
8/29/2026, 4:00:00 PM	PM2.5		Good	forecast
8/29/2026, 4:00:00 PM	OZONE		Good	forecast

Nearby Stations

High Elevations of Acadia National Park, ME29 mi away Eastern Interior, ME40 mi away Downeast Coast, ME69 mi away Western Interior, ME70 mi away Southwest Coast, ME86 mi away

Maine overview →

Current AirNow data are preliminary and may be revised. Source: EPA AirNow and participating air quality agencies.