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)
52
Moderate
Smithfield, Rhode Island
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.15 μg/m³
0
55
155
255
425
605+
43.39 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
5.50 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Smithfield, Rhode Island
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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 44
Good
8.23μg/m³
PM2.5
34.45μg/m³
PM10
34.55ppb
O3
0.40ppb
SO2
4.05ppb
NO2
0.15ppm
CO
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 49
Good
9.38μg/m³
PM2.5
40.85μg/m³
PM10
40.36ppb
O3
0.23ppb
SO2
4.24ppb
NO2
0.15ppm
CO
AQI 52
Moderate
9.60μg/m³
PM2.5
41.22μg/m³
PM10
40.06ppb
O3
0.24ppb
SO2
4.47ppb
NO2
0.16ppm
CO
AQI 44
Good
7.78μg/m³
PM2.5
33.00μg/m³
PM10
35.82ppb
O3
0.32ppb
SO2
4.25ppb
NO2
0.15ppm
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 04:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Smithfield, Rhode Island was observed at 01:00:00 on 2026-06-29.
As of now, the AQI in Smithfield, Rhode Island is 52, indicating Moderate 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 10.097 μg/m3.
The PM10 concentration in Smithfield, Rhode Island is 41.153 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Smithfield, Rhode Island is 0.193 ppm.
Currently, Smithfield, Rhode Island has a sulfur dioxide (SO2) concentration of 0.33 ppb.
The current ozone (O3) level in Smithfield, Rhode Island at the moment is 43.394 ppm.
Nitrogen dioxide (NO2) level in Smithfield, Rhode Island at the moment is 5.498 ppb.
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