Stay updated with real-time air quality in North Smithfield, Rhode Island 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)
56
Moderate
North Smithfield, Rhode Island
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.23 μg/m³
0
55
155
255
425
605+
39.34 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
4.79 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
North Smithfield, Rhode Island
North Smithfield, Rhode Island
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AQI 52
Moderate
9.53μg/m³
PM2.5
38.70μg/m³
PM10
32.91ppb
O3
0.41ppb
SO2
3.94ppb
NO2
0.14ppm
CO
AQI 52
Moderate
10.27μg/m³
PM2.5
42.42μg/m³
PM10
42.47ppb
O3
0.30ppb
SO2
4.17ppb
NO2
0.15ppm
CO
AQI 44
Good
8.33μg/m³
PM2.5
40.01μg/m³
PM10
33.84ppb
O3
0.32ppb
SO2
4.27ppb
NO2
0.15ppm
CO
AQI 52
Moderate
9.85μg/m³
PM2.5
13.71μg/m³
PM10
26.36ppb
O3
0.39ppb
SO2
4.12ppb
NO2
0.14ppm
CO
AQI 49
Good
8.60μg/m³
PM2.5
35.63μg/m³
PM10
38.88ppb
O3
0.24ppb
SO2
3.80ppb
NO2
0.14ppm
CO
AQI 52
Moderate
10.07μg/m³
PM2.5
39.56μg/m³
PM10
34.38ppb
O3
0.44ppb
SO2
3.91ppb
NO2
0.14ppm
CO
Air quality measurements for Rhode Island, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for North Smithfield, Rhode Island is updated on an hourly basis.
The worst air quality in North Smithfield, Rhode Island was recorded at 04:00:00 on 2026-06-29.
The best air quality in North Smithfield, Rhode Island was recorded at 01:00:00 on 2026-06-29.
The real-time air quality index in North Smithfield, Rhode Island is 56, currently categorized as Moderate.
The most common pollutant in North Smithfield, Rhode Island is PM2.5.
If the air quality in North Smithfield, Rhode Island is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in North Smithfield, Rhode Island at present are 12.292 μg/m3.
The current PM10 levels in North Smithfield, Rhode Island are 52.227 μg/m3.
The current carbon monoxide (CO) level in North Smithfield, Rhode Island is 0.18 ppm.
The current sulfur dioxide (SO2) levels in North Smithfield, Rhode Island are 0.422 ppb.
The current ozone (O3) levels at North Smithfield, Rhode Island is 39.341 ppm.
The current nitrogen dioxide (NO2) levels at North Smithfield, Rhode Island is 4.791 ppb.
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