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)
22
Good
Smithfield, Rhode Island
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.39 μg/m³
0
55
155
255
425
605+
21.49 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
10.47 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Smithfield, Rhode Island
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AQI 22
Good
4.04μg/m³
PM2.5
14.44μg/m³
PM10
21.48ppb
O3
0.23ppb
SO2
10.66ppb
NO2
0.28ppm
CO
AQI 27
Good
4.84μg/m³
PM2.5
23.51μg/m³
PM10
21.55ppb
O3
0.24ppb
SO2
11.06ppb
NO2
0.28ppm
CO
AQI 27
Good
4.92μg/m³
PM2.5
23.49μg/m³
PM10
21.52ppb
O3
0.24ppb
SO2
10.99ppb
NO2
0.28ppm
CO
AQI 19
Good
3.46μg/m³
PM2.5
14.55μg/m³
PM10
21.34ppb
O3
0.16ppb
SO2
14.12ppb
NO2
0.31ppm
CO
AQI 22
Good
3.66μg/m³
PM2.5
15.20μg/m³
PM10
21.10ppb
O3
0.17ppb
SO2
14.95ppb
NO2
0.32ppm
CO
AQI 26
Good
4.22μg/m³
PM2.5
10.29μg/m³
PM10
28.10ppb
O3
0.24ppb
SO2
13.47ppb
NO2
0.28ppm
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 01:00:00 on 2026-03-06.
In the last 24 hours, the best air quality in Smithfield, Rhode Island was observed at 11:00:00 on 2026-03-07.
As of now, the AQI in Smithfield, Rhode Island is 22, indicating Good conditions.
Smithfield, Rhode Island air has the highest levels of PM2.5.
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 3.998 μg/m3.
The PM10 concentration in Smithfield, Rhode Island is 14.39 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 0.218 ppb.
The current ozone (O3) level in Smithfield, Rhode Island at the moment is 21.492 ppm.
Nitrogen dioxide (NO2) level in Smithfield, Rhode Island at the moment is 10.474 ppb.
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