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)
44
Good
Hanover, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.06 μg/m³
0
55
155
255
425
605+
47.21 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
2.64 ppb
0
54
101
361
1250
2050+
0.17 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 50
Good
4.75μg/m³
PM2.5
17.92μg/m³
PM10
53.55ppb
O3
0.60ppb
SO2
2.65ppb
NO2
0.17ppm
CO
AQI 45
Good
3.29μg/m³
PM2.5
12.94μg/m³
PM10
48.55ppb
O3
0.57ppb
SO2
2.62ppb
NO2
0.18ppm
CO
AQI 43
Good
3.44μg/m³
PM2.5
14.08μg/m³
PM10
45.67ppb
O3
0.72ppb
SO2
2.17ppb
NO2
0.17ppm
CO
AQI 44
Good
3.21μg/m³
PM2.5
13.14μg/m³
PM10
48.30ppb
O3
0.56ppb
SO2
2.62ppb
NO2
0.17ppm
CO
AQI 44
Good
3.65μg/m³
PM2.5
15.37μg/m³
PM10
46.96ppb
O3
0.66ppb
SO2
2.37ppb
NO2
0.17ppm
CO
AQI 44
Good
3.67μg/m³
PM2.5
15.47μg/m³
PM10
47.00ppb
O3
0.66ppb
SO2
2.40ppb
NO2
0.17ppm
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 11:00:00 on 2026-06-12.
In the last 24 hours, the best air quality in Hanover, Massachusetts was observed at 08:00:00 on 2026-06-13.
As of now, the AQI in Hanover, Massachusetts is 44, indicating Good conditions.
Hanover, Massachusetts air has the highest levels of O3.
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 3.198 μg/m3.
The PM10 concentration in Hanover, Massachusetts is 18.064 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hanover, Massachusetts is 0.171 ppm.
Currently, Hanover, Massachusetts has a sulfur dioxide (SO2) concentration of 0.595 ppb.
The current ozone (O3) level in Hanover, Massachusetts at the moment is 47.213 ppm.
Nitrogen dioxide (NO2) level in Hanover, Massachusetts at the moment is 2.642 ppb.
All Rights Reserved © Ambee Inc. 2025