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)
10
Good
Hanover, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.01 μg/m³
0
55
155
255
425
605+
11.47 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
3.67 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hanover, Massachusetts
Hanover, Massachusetts
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AQI 30
Good
2.50μg/m³
PM2.5
8.91μg/m³
PM10
32.45ppb
O3
0.57ppb
SO2
3.52ppb
NO2
0.20ppm
CO
AQI 30
Good
2.43μg/m³
PM2.5
8.80μg/m³
PM10
31.89ppb
O3
0.54ppb
SO2
3.64ppb
NO2
0.20ppm
CO
AQI 27
Good
2.25μg/m³
PM2.5
9.06μg/m³
PM10
28.63ppb
O3
0.49ppb
SO2
4.42ppb
NO2
0.20ppm
CO
AQI 31
Good
2.49μg/m³
PM2.5
8.87μg/m³
PM10
32.53ppb
O3
0.55ppb
SO2
3.65ppb
NO2
0.20ppm
CO
AQI 27
Good
2.38μg/m³
PM2.5
9.56μg/m³
PM10
29.16ppb
O3
0.51ppb
SO2
4.16ppb
NO2
0.20ppm
CO
AQI 27
Good
2.40μg/m³
PM2.5
9.62μg/m³
PM10
29.17ppb
O3
0.51ppb
SO2
4.15ppb
NO2
0.20ppm
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 08:00:00 on 2026-10-05.
In the last 24 hours, the best air quality in Hanover, Massachusetts was observed at 03:00:00 on 2026-10-05.
As of now, the AQI in Hanover, Massachusetts is 30, 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 2.433 μg/m3.
The PM10 concentration in Hanover, Massachusetts is 8.712 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hanover, Massachusetts is 0.202 ppm.
Currently, Hanover, Massachusetts has a sulfur dioxide (SO2) concentration of 0.553 ppb.
The current ozone (O3) level in Hanover, Massachusetts at the moment is 31.859 ppm.
Nitrogen dioxide (NO2) level in Hanover, Massachusetts at the moment is 3.58 ppb.
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