Biddeford, Maine live air quality index now
Stay updated with real-time air quality in Biddeford, 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)
19
Good
Biddeford, Maine
Last updated: ... (Local time)
Major air pollutants in Biddeford, Maine
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
0.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
2.88 μg/m³
0
55
155
255
425
605+
Ozone (O3)
20.93 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.54 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
1.93 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Biddeford, Maine
Biddeford, Maine
Scroll To Air Quality Map
Track live Biddeford, Maine air quality forecast and history
Biddeford Loading...
Biddeford, Maine air quality map: Track AQI near you
Air quality in nearby cities
Saco, Maine
AQI 19
Good
0.83μg/m³
PM2.5
2.72μg/m³
PM10
21.33ppb
O3
0.51ppb
SO2
1.93ppb
NO2
0.20ppm
CO
Kennebunk, Maine
AQI 19
Good
0.79μg/m³
PM2.5
2.57μg/m³
PM10
20.21ppb
O3
0.77ppb
SO2
1.88ppb
NO2
0.20ppm
CO
Scarborough, Maine
AQI 19
Good
1.00μg/m³
PM2.5
2.05μg/m³
PM10
21.47ppb
O3
0.33ppb
SO2
2.61ppb
NO2
0.20ppm
CO
Gorham, Maine
AQI 19
Good
0.89μg/m³
PM2.5
3.42μg/m³
PM10
20.79ppb
O3
0.45ppb
SO2
1.94ppb
NO2
0.20ppm
CO
Wells, Maine
AQI 19
Good
0.78μg/m³
PM2.5
2.60μg/m³
PM10
20.00ppb
O3
0.78ppb
SO2
1.88ppb
NO2
0.20ppm
CO
Westbrook, Maine
AQI 19
Good
1.00μg/m³
PM2.5
2.04μg/m³
PM10
20.85ppb
O3
0.33ppb
SO2
2.62ppb
NO2
0.20ppm
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 Biddeford, Maine updated?
The air quality for Biddeford, Maine is updated every hour.
When was the worst air quality at Biddeford, Maine in the last 24 hrs?
The worst air quality in Biddeford, Maine in the last 24 hours was observed at 12:00:00 on 2026-09-28.
When was the best air quality at Biddeford, Maine in the last 24 hrs?
In the last 24 hrs, the best air quality in Biddeford, Maine was observed at 09:00:00 on 2026-09-28.
What is the current air quality in Biddeford, Maine?
The current air quality in Biddeford, Maine is 19, categorized as Good based on real-time data.
What pollutant is the most common in Biddeford, Maine?
The most common pollutant in Biddeford, Maine is O3.
What should I do if the air quality in Biddeford, Maine is poor?
If the air quality in Biddeford, Maine is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Biddeford, Maine?
The current PM2.5 concentration at Biddeford, Maine is 0.811 μg/m3.
What is the current concentration of PM10 in Biddeford, Maine?
The current PM10 concentration at Biddeford, Maine is 2.875 μg/m3.
What is the current concentration of carbon monoxide (CO) in Biddeford, Maine?
The current carbon monoxide (CO) concentration at Biddeford, Maine is 0.197 ppm.
What is the current concentration of sulfur dioxide (SO2) in Biddeford, Maine?
The current sulfur dioxide (SO2) concentration at Biddeford, Maine is 0.539 ppb.
What is the current concentration of ozone (O3) in Biddeford, Maine?
The current ozone (O3) concentration at Biddeford, Maine is 20.934 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Biddeford, Maine?
The current nitrogen dioxide (NO2) concentration at Biddeford, Maine is 1.933 ppb.
All Rights Reserved © Ambee Inc. 2025