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)
27
Good
Milton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.12 μg/m³
0
55
155
255
425
605+
28.41 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
6.07 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Milton, Massachusetts
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AQI 33
Good
6.29μg/m³
PM2.5
25.31μg/m³
PM10
10.12ppb
O3
0.40ppb
SO2
17.52ppb
NO2
0.59ppm
CO
AQI 38
Good
6.74μg/m³
PM2.5
27.50μg/m³
PM10
10.87ppb
O3
0.40ppb
SO2
16.42ppb
NO2
0.59ppm
CO
AQI 38
Good
7.27μg/m³
PM2.5
25.79μg/m³
PM10
17.86ppb
O3
0.45ppb
SO2
10.50ppb
NO2
0.58ppm
CO
AQI 44
Good
8.30μg/m³
PM2.5
31.97μg/m³
PM10
15.05ppb
O3
0.40ppb
SO2
11.42ppb
NO2
0.59ppm
CO
AQI 33
Good
6.47μg/m³
PM2.5
23.80μg/m³
PM10
6.91ppb
O3
0.58ppb
SO2
19.62ppb
NO2
0.55ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
26.19μg/m³
PM10
10.73ppb
O3
0.41ppb
SO2
16.90ppb
NO2
0.58ppm
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 2025-11-03.
In the last 24 hours, the best air quality in Milton, Massachusetts was observed at 01:00:00 on 2025-11-02.
As of now, the AQI in Milton, Massachusetts is 38, 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 7.143 μg/m3.
The PM10 concentration in Milton, Massachusetts is 25.463 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Milton, Massachusetts is 0.593 ppm.
Currently, Milton, Massachusetts has a sulfur dioxide (SO2) concentration of 0.43 ppb.
The current ozone (O3) level in Milton, Massachusetts at the moment is 13.167 ppm.
Nitrogen dioxide (NO2) level in Milton, Massachusetts at the moment is 14.624 ppb.
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