Stay updated with real-time air quality in North Reading, 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)
33
Good
North Reading, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.41 μg/m³
0
55
155
255
425
605+
13.52 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
11.72 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
North Reading, Massachusetts
North Reading, Massachusetts
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AQI 33
Good
6.32μg/m³
PM2.5
23.76μg/m³
PM10
18.20ppb
O3
0.87ppb
SO2
20.26ppb
NO2
0.36ppm
CO
AQI 33
Good
6.39μg/m³
PM2.5
17.49μg/m³
PM10
15.52ppb
O3
0.83ppb
SO2
14.92ppb
NO2
0.34ppm
CO
AQI 33
Good
6.35μg/m³
PM2.5
23.75μg/m³
PM10
18.32ppb
O3
0.88ppb
SO2
19.50ppb
NO2
0.36ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
29.98μg/m³
PM10
12.98ppb
O3
0.81ppb
SO2
14.77ppb
NO2
0.33ppm
CO
AQI 33
Good
6.38μg/m³
PM2.5
24.78μg/m³
PM10
18.02ppb
O3
0.89ppb
SO2
18.61ppb
NO2
0.37ppm
CO
AQI 38
Good
7.46μg/m³
PM2.5
31.10μg/m³
PM10
15.28ppb
O3
0.79ppb
SO2
15.78ppb
NO2
0.31ppm
CO
Air quality data and pollutant measurements for Massachusetts, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for North Reading, Massachusetts is updated every hour.
The worst air quality in North Reading, Massachusetts in the last 24 hours was observed at 09:00:00 on 2026-07-17.
In the last 24 hrs, the best air quality in North Reading, Massachusetts was observed at 01:00:00 on 2026-07-18.
The current air quality in North Reading, Massachusetts is 33, categorized as Good based on real-time data.
The most common pollutant in North Reading, Massachusetts is PM2.5.
If the air quality in North Reading, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at North Reading, Massachusetts is 6.386 μg/m3.
The current PM10 concentration at North Reading, Massachusetts is 21.151 μg/m3.
The current carbon monoxide (CO) concentration at North Reading, Massachusetts is 0.328 ppm.
The current sulfur dioxide (SO2) concentration at North Reading, Massachusetts is 0.817 ppb.
The current ozone (O3) concentration at North Reading, Massachusetts is 15.16 ppm.
The current nitrogen dioxide (NO2) concentration at North Reading, Massachusetts is 13.048 ppb.
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