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)
38
Good
Orono, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.66 μg/m³
0
55
155
255
425
605+
40.68 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
1.53 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Orono, Maine
Scroll To Air Quality MapLoading...
AQI 38
Good
2.80μg/m³
PM2.5
12.93μg/m³
PM10
41.21ppb
O3
0.63ppb
SO2
2.24ppb
NO2
0.12ppm
CO
AQI 38
Good
3.27μg/m³
PM2.5
12.39μg/m³
PM10
41.44ppb
O3
0.64ppb
SO2
2.34ppb
NO2
0.14ppm
CO
AQI 36
Good
4.10μg/m³
PM2.5
16.98μg/m³
PM10
39.01ppb
O3
0.64ppb
SO2
2.27ppb
NO2
0.14ppm
CO
AQI 37
Good
2.79μg/m³
PM2.5
11.27μg/m³
PM10
40.06ppb
O3
0.65ppb
SO2
2.60ppb
NO2
0.14ppm
CO
AQI 38
Good
3.10μg/m³
PM2.5
9.98μg/m³
PM10
41.15ppb
O3
0.64ppb
SO2
2.54ppb
NO2
0.15ppm
CO
AQI 38
Good
3.09μg/m³
PM2.5
9.96μg/m³
PM10
41.14ppb
O3
0.64ppb
SO2
2.54ppb
NO2
0.15ppm
CO
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
Air quality data for Orono, Maine is updated on an hourly basis.
The worst air quality in Orono, Maine was recorded at 10:00:00 on 2026-03-15.
The best air quality in Orono, Maine was recorded at 03:00:00 on 2026-03-15.
The real-time air quality index in Orono, Maine is 38, currently categorized as Good.
The most common pollutant in Orono, Maine is O3.
If the air quality in Orono, Maine is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Orono, Maine at present are 3.15 μg/m3.
The current PM10 levels in Orono, Maine are 12.665 μg/m3.
The current carbon monoxide (CO) level in Orono, Maine is 0.133 ppm.
The current sulfur dioxide (SO2) levels in Orono, Maine are 0.607 ppb.
The current ozone (O3) levels at Orono, Maine is 40.681 ppm.
The current nitrogen dioxide (NO2) levels at Orono, Maine is 1.535 ppb.
All Rights Reserved © Ambee Inc. 2025