Stay updated with real-time air quality in Westport, 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
Westport, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.97 μg/m³
0
55
155
255
425
605+
13.52 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
12.21 ppb
0
54
101
361
1250
2050+
0.55 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Westport, Massachusetts
Scroll To Air Quality MapLoading...
AQI 33
Good
5.92μg/m³
PM2.5
26.93μg/m³
PM10
23.91ppb
O3
0.30ppb
SO2
9.14ppb
NO2
0.32ppm
CO
AQI 33
Good
6.02μg/m³
PM2.5
26.93μg/m³
PM10
23.96ppb
O3
0.30ppb
SO2
9.16ppb
NO2
0.32ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
28.03μg/m³
PM10
22.21ppb
O3
0.30ppb
SO2
8.79ppb
NO2
0.32ppm
CO
AQI 33
Good
6.00μg/m³
PM2.5
26.16μg/m³
PM10
23.02ppb
O3
0.30ppb
SO2
8.36ppb
NO2
0.31ppm
CO
AQI 33
Good
6.24μg/m³
PM2.5
15.90μg/m³
PM10
24.95ppb
O3
0.34ppb
SO2
7.13ppb
NO2
0.31ppm
CO
AQI 33
Good
6.46μg/m³
PM2.5
28.96μg/m³
PM10
21.09ppb
O3
0.30ppb
SO2
8.98ppb
NO2
0.33ppm
CO
The air quality data for Massachusetts, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Westport, Massachusetts are available every hour.
Westport, Massachusetts experienced its worst air quality at 12:00:00, 2025-09-12.
The best air quality in Westport, Massachusetts was observed at 04:00:00 on 2025-09-11.
The air quality in Westport, Massachusetts right now is Good, with an AQI of 33.
In Westport, Massachusetts, PM2.5 is the most frequently found pollutant.
When air quality in Westport, Massachusetts is compromised, staying indoors and wearing a mask can reduce health risks.
Westport, Massachusetts currently has a PM2.5 concentration of 5.949 μg/m3.
Westport, Massachusetts currently has a PM10 concentration of 26.739 μg/m3.
The current carbon monoxide (CO) level in Westport, Massachusetts is 0.32 ppm.
The current sulfur dioxide (SO2) concentration in Westport, Massachusetts is 0.301 ppb.
Westport, Massachusetts currently has an ozone (O3) concentration of 23.813 ppm.
The current level of nitrogen dioxide (NO2) in Westport, Massachusetts is 9.101 ppb.
All Rights Reserved © Ambee Inc. 2025