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)
38
Good
Smithfield, Rhode Island
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.24 μg/m³
0
55
155
255
425
605+
40.82 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
11.16 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Smithfield, Rhode Island
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AQI 42
Good
2.80μg/m³
PM2.5
11.24μg/m³
PM10
44.65ppb
O3
0.22ppb
SO2
14.72ppb
NO2
0.27ppm
CO
AQI 33
Good
4.01μg/m³
PM2.5
18.68μg/m³
PM10
36.30ppb
O3
0.36ppb
SO2
14.68ppb
NO2
0.27ppm
CO
AQI 35
Good
4.21μg/m³
PM2.5
18.66μg/m³
PM10
38.07ppb
O3
0.36ppb
SO2
14.32ppb
NO2
0.26ppm
CO
AQI 42
Good
3.17μg/m³
PM2.5
13.32μg/m³
PM10
45.12ppb
O3
0.21ppb
SO2
17.09ppb
NO2
0.31ppm
CO
AQI 42
Good
3.51μg/m³
PM2.5
14.70μg/m³
PM10
45.13ppb
O3
0.22ppb
SO2
19.07ppb
NO2
0.33ppm
CO
AQI 38
Good
3.63μg/m³
PM2.5
20.27μg/m³
PM10
41.06ppb
O3
0.38ppb
SO2
15.05ppb
NO2
0.27ppm
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 12:00:00 on 2026-05-14.
In the last 24 hours, the best air quality in Smithfield, Rhode Island was observed at 01:00:00 on 2026-05-13.
As of now, the AQI in Smithfield, Rhode Island is 38, 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 3.611 μg/m3.
The PM10 concentration in Smithfield, Rhode Island is 13.24 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Smithfield, Rhode Island is 0.291 ppm.
Currently, Smithfield, Rhode Island has a sulfur dioxide (SO2) concentration of 0.285 ppb.
The current ozone (O3) level in Smithfield, Rhode Island at the moment is 40.821 ppm.
Nitrogen dioxide (NO2) level in Smithfield, Rhode Island at the moment is 11.158 ppb.
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