Waterville, Maine live air quality index now
Stay updated with real-time air quality in Waterville, 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)
35
Good
Waterville, Maine
Last updated: ... (Local time)
Major air pollutants in Waterville, Maine
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
5.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
15.83 μg/m³
0
55
155
255
425
605+
Ozone (O3)
38.30 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.52 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
2.27 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Waterville, Maine
Waterville, Maine
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Air quality in nearby cities
Augusta, Maine
AQI 34
Good
6.09μg/m³
PM2.5
13.01μg/m³
PM10
37.01ppb
O3
0.52ppb
SO2
2.13ppb
NO2
0.14ppm
CO
Lewiston, Maine
AQI 38
Good
2.84μg/m³
PM2.5
16.99μg/m³
PM10
40.73ppb
O3
0.48ppb
SO2
2.96ppb
NO2
0.15ppm
CO
Auburn, Maine
AQI 38
Good
2.87μg/m³
PM2.5
17.00μg/m³
PM10
40.64ppb
O3
0.48ppb
SO2
2.96ppb
NO2
0.15ppm
CO
Bangor, Maine
AQI 36
Good
5.79μg/m³
PM2.5
13.05μg/m³
PM10
38.53ppb
O3
0.56ppb
SO2
1.25ppb
NO2
0.12ppm
CO
Brunswick, Maine
AQI 33
Good
3.96μg/m³
PM2.5
15.08μg/m³
PM10
35.54ppb
O3
0.46ppb
SO2
5.08ppb
NO2
0.14ppm
CO
Orono, Maine
AQI 35
Good
5.69μg/m³
PM2.5
13.86μg/m³
PM10
38.11ppb
O3
0.56ppb
SO2
1.25ppb
NO2
0.12ppm
CO
How accurate is Maine, USA air quality data?
Air quality data and pollutant measurements for Maine, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
Frequently asked questions
How often is the air quality data for Waterville, Maine updated?
The air quality for Waterville, Maine is updated every hour.
When was the worst air quality at Waterville, Maine in the last 24 hrs?
The worst air quality in Waterville, Maine in the last 24 hours was observed at 09:00:00 on 2026-05-14.
When was the best air quality at Waterville, Maine in the last 24 hrs?
In the last 24 hrs, the best air quality in Waterville, Maine was observed at 12:00:00 on 2026-05-13.
What is the current air quality in Waterville, Maine?
The current air quality in Waterville, Maine is 35, categorized as Good based on real-time data.
What pollutant is the most common in Waterville, Maine?
The most common pollutant in Waterville, Maine is O3.
What should I do if the air quality in Waterville, Maine is poor?
If the air quality in Waterville, Maine is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Waterville, Maine?
The current PM2.5 concentration at Waterville, Maine is 5.576 μg/m3.
What is the current concentration of PM10 in Waterville, Maine?
The current PM10 concentration at Waterville, Maine is 15.826 μg/m3.
What is the current concentration of carbon monoxide (CO) in Waterville, Maine?
The current carbon monoxide (CO) concentration at Waterville, Maine is 0.154 ppm.
What is the current concentration of sulfur dioxide (SO2) in Waterville, Maine?
The current sulfur dioxide (SO2) concentration at Waterville, Maine is 0.52 ppb.
What is the current concentration of ozone (O3) in Waterville, Maine?
The current ozone (O3) concentration at Waterville, Maine is 38.305 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Waterville, Maine?
The current nitrogen dioxide (NO2) concentration at Waterville, Maine is 2.267 ppb.
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