Real-time air quality index in Orono, Maine today
Stay updated with real-time air quality in Orono, Maine featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
42
Good
Orono, Maine
Last updated: ... (Local time)
Common air pollutants in Orono, Maine
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
6.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
45.30 μg/m³
0
55
155
255
425
605+
Ozone (O3)
38.97 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.36 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
3.03 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Orono, Maine
Orono, Maine
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Orono, Maine air quality map: Real-time AQI near you
Air quality in nearby cities
Bangor, Maine
AQI 44
Good
6.89μg/m³
PM2.5
46.95μg/m³
PM10
38.88ppb
O3
0.37ppb
SO2
3.04ppb
NO2
0.17ppm
CO
Waterville, Maine
AQI 37
Good
4.40μg/m³
PM2.5
21.41μg/m³
PM10
39.73ppb
O3
0.51ppb
SO2
4.71ppb
NO2
0.21ppm
CO
Augusta, Maine
AQI 36
Good
6.09μg/m³
PM2.5
26.00μg/m³
PM10
39.39ppb
O3
0.54ppb
SO2
12.89ppb
NO2
0.21ppm
CO
Brunswick, Maine
AQI 37
Good
5.13μg/m³
PM2.5
14.80μg/m³
PM10
39.74ppb
O3
0.58ppb
SO2
14.41ppb
NO2
0.23ppm
CO
Lewiston, Maine
AQI 36
Good
3.72μg/m³
PM2.5
18.15μg/m³
PM10
39.21ppb
O3
0.58ppb
SO2
14.28ppb
NO2
0.22ppm
CO
Auburn, Maine
AQI 36
Good
3.74μg/m³
PM2.5
18.32μg/m³
PM10
39.20ppb
O3
0.58ppb
SO2
14.26ppb
NO2
0.22ppm
CO
How accurate is Maine, USA air quality data?
Air quality measurements for Maine, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for Orono, Maine updated?
Air quality data for Orono, Maine is updated on an hourly basis.
When did Orono, Maine experience the worst air quality in the last 24 hours?
The worst air quality in Orono, Maine was recorded at 02:00:00 on 2025-12-28.
When did Orono, Maine have its best air quality in the last 24 hours?
The best air quality in Orono, Maine was recorded at 03:00:00 on 2025-12-28.
What is the real-time air quality index for Orono, Maine?
The real-time air quality index in Orono, Maine is 42, currently categorized as Good.
Which pollutant is found most often in Orono, Maine?
The most common pollutant in Orono, Maine is PM10.
What can I do if the air quality in Orono, Maine is poor?
If the air quality in Orono, Maine is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Orono, Maine?
The measured PM2.5 levels in Orono, Maine at present are 6.707 μg/m3.
What are the current PM10 levels at Orono, Maine?
The current PM10 levels in Orono, Maine are 45.298 μg/m3.
What are the current carbon monoxide (CO) levels at Orono, Maine?
The current carbon monoxide (CO) level in Orono, Maine is 0.172 ppm.
What are the current sulfur dioxide (SO2) levels at Orono, Maine?
The current sulfur dioxide (SO2) levels in Orono, Maine are 0.365 ppb.
What are the current ozone (O3) levels at Orono, Maine?
The current ozone (O3) levels at Orono, Maine is 38.97 ppm.
What are the current nitrogen dioxide (NO2) levels at Orono, Maine?
The current nitrogen dioxide (NO2) levels at Orono, Maine is 3.026 ppb.
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