Stay updated with real-time air quality in Kittery, 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)
40
Good
Kittery, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.02 μg/m³
0
55
155
255
425
605+
43.28 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
7.51 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Kittery, Maine
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AQI 40
Good
4.13μg/m³
PM2.5
9.02μg/m³
PM10
43.21ppb
O3
0.80ppb
SO2
7.50ppb
NO2
0.18ppm
CO
AQI 42
Good
3.79μg/m³
PM2.5
9.95μg/m³
PM10
44.55ppb
O3
0.73ppb
SO2
7.96ppb
NO2
0.18ppm
CO
AQI 42
Good
2.88μg/m³
PM2.5
7.54μg/m³
PM10
44.73ppb
O3
0.67ppb
SO2
7.01ppb
NO2
0.18ppm
CO
AQI 42
Good
3.03μg/m³
PM2.5
11.16μg/m³
PM10
44.58ppb
O3
0.65ppb
SO2
7.46ppb
NO2
0.18ppm
CO
AQI 42
Good
2.98μg/m³
PM2.5
13.17μg/m³
PM10
44.52ppb
O3
0.68ppb
SO2
6.56ppb
NO2
0.18ppm
CO
AQI 42
Good
3.91μg/m³
PM2.5
13.91μg/m³
PM10
44.74ppb
O3
0.66ppb
SO2
6.12ppb
NO2
0.18ppm
CO
Air quality and pollutant data for Maine, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Kittery, Maine is updated every hour for accuracy.
In the past 24 hours, the air quality in Kittery, Maine was at its worst at 09:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Kittery, Maine was observed at 03:00:00 on 2026-03-29.
As of now, the AQI in Kittery, Maine is 40, indicating Good conditions.
Kittery, Maine air has the highest levels of O3.
Poor air quality in Kittery, Maine means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Kittery, Maine are currently 4.106 μg/m3.
The PM10 concentration in Kittery, Maine is 9.023 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Kittery, Maine is 0.178 ppm.
Currently, Kittery, Maine has a sulfur dioxide (SO2) concentration of 0.793 ppb.
The current ozone (O3) level in Kittery, Maine at the moment is 43.284 ppm.
Nitrogen dioxide (NO2) level in Kittery, Maine at the moment is 7.511 ppb.
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