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

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.85 μg/m³
0
55
155
255
425
605+
33.13 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
5.47 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Milton, Massachusetts
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AQI 44
Good
7.85μg/m³
PM2.5
33.55μg/m³
PM10
34.69ppb
O3
0.87ppb
SO2
2.99ppb
NO2
0.15ppm
CO
AQI 44
Good
8.17μg/m³
PM2.5
35.40μg/m³
PM10
35.89ppb
O3
0.83ppb
SO2
2.75ppb
NO2
0.15ppm
CO
AQI 52
Moderate
10.19μg/m³
PM2.5
44.02μg/m³
PM10
34.95ppb
O3
0.96ppb
SO2
5.50ppb
NO2
0.15ppm
CO
AQI 52
Moderate
10.36μg/m³
PM2.5
45.42μg/m³
PM10
36.03ppb
O3
0.84ppb
SO2
3.89ppb
NO2
0.15ppm
CO
AQI 49
Good
9.40μg/m³
PM2.5
37.31μg/m³
PM10
33.41ppb
O3
1.17ppb
SO2
7.99ppb
NO2
0.14ppm
CO
AQI 38
Good
7.48μg/m³
PM2.5
32.79μg/m³
PM10
36.53ppb
O3
0.81ppb
SO2
2.29ppb
NO2
0.15ppm
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 Milton, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Milton, Massachusetts was at its worst at 06:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Milton, Massachusetts was observed at 10:00:00 on 2026-06-29.
As of now, the AQI in Milton, Massachusetts is 52, indicating Moderate conditions.
Milton, Massachusetts air has the highest levels of PM2.5.
Poor air quality in Milton, Massachusetts means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Milton, Massachusetts are currently 9.777 μg/m3.
The PM10 concentration in Milton, Massachusetts is 40.849 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Milton, Massachusetts is 0.152 ppm.
Currently, Milton, Massachusetts has a sulfur dioxide (SO2) concentration of 0.992 ppb.
The current ozone (O3) level in Milton, Massachusetts at the moment is 33.126 ppm.
Nitrogen dioxide (NO2) level in Milton, Massachusetts at the moment is 5.466 ppb.
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