Saco, Maine live air quality index now
Stay updated with real-time air quality in Saco, 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
Saco, Maine
Last updated: ... (Local time)
Major air pollutants in Saco, Maine
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
2.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
4.30 μg/m³
0
55
155
255
425
605+
Ozone (O3)
19.77 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.59 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
10.00 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Saco, Maine
Saco, Maine
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Air quality in nearby cities
Biddeford, Maine
AQI 19
Good
1.92μg/m³
PM2.5
5.62μg/m³
PM10
20.92ppb
O3
0.60ppb
SO2
8.80ppb
NO2
0.18ppm
CO
Scarborough, Maine
AQI 18
Good
2.54μg/m³
PM2.5
4.74μg/m³
PM10
18.84ppb
O3
0.58ppb
SO2
8.78ppb
NO2
0.18ppm
CO
Kennebunk, Maine
AQI 21
Good
1.76μg/m³
PM2.5
6.75μg/m³
PM10
23.13ppb
O3
0.62ppb
SO2
8.81ppb
NO2
0.18ppm
CO
Gorham, Maine
AQI 13
Good
2.23μg/m³
PM2.5
3.93μg/m³
PM10
13.81ppb
O3
0.59ppb
SO2
8.78ppb
NO2
0.18ppm
CO
Westbrook, Maine
AQI 16
Good
2.57μg/m³
PM2.5
8.26μg/m³
PM10
12.45ppb
O3
0.59ppb
SO2
8.78ppb
NO2
0.18ppm
CO
South Portland, Maine
AQI 16
Good
2.97μg/m³
PM2.5
4.91μg/m³
PM10
16.88ppb
O3
0.58ppb
SO2
8.78ppb
NO2
0.18ppm
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 Saco, Maine updated?
The air quality for Saco, Maine is updated every hour.
When was the worst air quality at Saco, Maine in the last 24 hrs?
The worst air quality in Saco, Maine in the last 24 hours was observed at 09:00:00 on 2025-11-01.
When was the best air quality at Saco, Maine in the last 24 hrs?
In the last 24 hrs, the best air quality in Saco, Maine was observed at 10:00:00 on 2025-11-02.
What is the current air quality in Saco, Maine?
The current air quality in Saco, Maine is 19, categorized as Good based on real-time data.
What pollutant is the most common in Saco, Maine?
The most common pollutant in Saco, Maine is O3.
What should I do if the air quality in Saco, Maine is poor?
If the air quality in Saco, Maine is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Saco, Maine?
The current PM2.5 concentration at Saco, Maine is 2.173 μg/m3.
What is the current concentration of PM10 in Saco, Maine?
The current PM10 concentration at Saco, Maine is 4.3 μg/m3.
What is the current concentration of carbon monoxide (CO) in Saco, Maine?
The current carbon monoxide (CO) concentration at Saco, Maine is 0.178 ppm.
What is the current concentration of sulfur dioxide (SO2) in Saco, Maine?
The current sulfur dioxide (SO2) concentration at Saco, Maine is 0.587 ppb.
What is the current concentration of ozone (O3) in Saco, Maine?
The current ozone (O3) concentration at Saco, Maine is 19.766 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Saco, Maine?
The current nitrogen dioxide (NO2) concentration at Saco, Maine is 10.001 ppb.
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