Stay updated with real-time air quality in 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)
35
Good
Smithfield, Rhode Island
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.04 μg/m³
0
55
155
255
425
605+
38.20 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
12.61 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Smithfield, Rhode Island
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AQI 49
Good
9.48μg/m³
PM2.5
41.07μg/m³
PM10
30.85ppb
O3
0.50ppb
SO2
12.20ppb
NO2
0.30ppm
CO
AQI 37
Good
4.81μg/m³
PM2.5
8.54μg/m³
PM10
39.57ppb
O3
0.49ppb
SO2
9.66ppb
NO2
0.29ppm
CO
AQI 34
Good
4.84μg/m³
PM2.5
8.60μg/m³
PM10
36.93ppb
O3
0.49ppb
SO2
10.17ppb
NO2
0.30ppm
CO
AQI 52
Moderate
10.45μg/m³
PM2.5
46.34μg/m³
PM10
30.24ppb
O3
0.50ppb
SO2
12.37ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.18μg/m³
PM2.5
49.37μg/m³
PM10
30.20ppb
O3
0.50ppb
SO2
12.22ppb
NO2
0.30ppm
CO
AQI 40
Good
4.65μg/m³
PM2.5
42.64μg/m³
PM10
39.63ppb
O3
0.50ppb
SO2
9.22ppb
NO2
0.29ppm
CO
Air quality and pollutant data for Rhode Island, 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 Smithfield, Rhode Island is updated every hour for accuracy.
In the past 24 hours, the air quality in Smithfield, Rhode Island was at its worst at 02:00:00 on 2025-12-28.
In the last 24 hours, the best air quality in Smithfield, Rhode Island was observed at 11:00:00 on 2025-12-27.
As of now, the AQI in Smithfield, Rhode Island is 34, indicating Good conditions.
Smithfield, Rhode Island air has the highest levels of O3.
Poor air quality in Smithfield, Rhode Island means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Smithfield, Rhode Island are currently 4.893 μg/m3.
The PM10 concentration in Smithfield, Rhode Island is 18.351 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Smithfield, Rhode Island is 0.297 ppm.
Currently, Smithfield, Rhode Island has a sulfur dioxide (SO2) concentration of 0.41 ppb.
The current ozone (O3) level in Smithfield, Rhode Island at the moment is 37.11 ppm.
Nitrogen dioxide (NO2) level in Smithfield, Rhode Island at the moment is 11.389 ppb.
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