Stay updated with real-time air quality in Hanover, Massachusetts 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)
52
Moderate
Hanover, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.07 μg/m³
0
55
155
255
425
605+
34.65 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
2.87 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hanover, Massachusetts
Hanover, Massachusetts
Scroll To Air Quality MapLoading...
AQI 49
Good
8.93μg/m³
PM2.5
33.28μg/m³
PM10
35.92ppb
O3
0.82ppb
SO2
2.88ppb
NO2
0.16ppm
CO
AQI 54
Moderate
11.07μg/m³
PM2.5
48.96μg/m³
PM10
36.57ppb
O3
0.64ppb
SO2
2.85ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.37μg/m³
PM2.5
45.32μg/m³
PM10
36.37ppb
O3
0.79ppb
SO2
3.10ppb
NO2
0.16ppm
CO
AQI 54
Moderate
11.10μg/m³
PM2.5
46.41μg/m³
PM10
35.16ppb
O3
0.64ppb
SO2
2.85ppb
NO2
0.16ppm
CO
AQI 56
Moderate
12.06μg/m³
PM2.5
53.49μg/m³
PM10
37.47ppb
O3
0.73ppb
SO2
3.09ppb
NO2
0.16ppm
CO
AQI 56
Moderate
12.19μg/m³
PM2.5
54.07μg/m³
PM10
37.51ppb
O3
0.73ppb
SO2
3.10ppb
NO2
0.16ppm
CO
Air quality and pollutant data for Massachusetts, 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 Hanover, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Hanover, Massachusetts was at its worst at 06:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Hanover, Massachusetts was observed at 01:00:00 on 2026-06-29.
As of now, the AQI in Hanover, Massachusetts is 52, indicating Moderate conditions.
Hanover, Massachusetts air has the highest levels of PM2.5.
Poor air quality in Hanover, Massachusetts means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hanover, Massachusetts are currently 9.704 μg/m3.
The PM10 concentration in Hanover, Massachusetts is 42.071 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hanover, Massachusetts is 0.158 ppm.
Currently, Hanover, Massachusetts has a sulfur dioxide (SO2) concentration of 0.666 ppb.
The current ozone (O3) level in Hanover, Massachusetts at the moment is 34.653 ppm.
Nitrogen dioxide (NO2) level in Hanover, Massachusetts at the moment is 2.867 ppb.
All Rights Reserved © Ambee Inc. 2025