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)
25
Good
Milton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.52 μg/m³
0
55
155
255
425
605+
26.98 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
2.70 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Milton, Massachusetts
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AQI 28
Good
4.21μg/m³
PM2.5
18.35μg/m³
PM10
30.11ppb
O3
0.49ppb
SO2
3.31ppb
NO2
0.20ppm
CO
AQI 29
Good
4.16μg/m³
PM2.5
18.20μg/m³
PM10
30.69ppb
O3
0.51ppb
SO2
3.05ppb
NO2
0.20ppm
CO
AQI 25
Good
4.11μg/m³
PM2.5
16.34μg/m³
PM10
27.29ppb
O3
0.54ppb
SO2
1.96ppb
NO2
0.20ppm
CO
AQI 27
Good
4.15μg/m³
PM2.5
17.02μg/m³
PM10
29.08ppb
O3
0.46ppb
SO2
2.40ppb
NO2
0.20ppm
CO
AQI 24
Good
3.91μg/m³
PM2.5
16.13μg/m³
PM10
26.26ppb
O3
0.78ppb
SO2
2.04ppb
NO2
0.18ppm
CO
AQI 29
Good
4.18μg/m³
PM2.5
18.69μg/m³
PM10
31.49ppb
O3
0.54ppb
SO2
3.04ppb
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 Milton, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Milton, Massachusetts was at its worst at 10:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in Milton, Massachusetts was observed at 11:00:00 on 2026-08-13.
As of now, the AQI in Milton, Massachusetts is 44, indicating Good 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 7.529 μg/m3.
The PM10 concentration in Milton, Massachusetts is 27.21 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Milton, Massachusetts is 0.257 ppm.
Currently, Milton, Massachusetts has a sulfur dioxide (SO2) concentration of 1.049 ppb.
The current ozone (O3) level in Milton, Massachusetts at the moment is 32.494 ppm.
Nitrogen dioxide (NO2) level in Milton, Massachusetts at the moment is 4.761 ppb.
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