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)
20
Good
Smithfield, Rhode Island
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.97 μg/m³
0
55
155
255
425
605+
21.79 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
5.51 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Smithfield, Rhode Island
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AQI 22
Good
2.67μg/m³
PM2.5
13.98μg/m³
PM10
24.41ppb
O3
0.31ppb
SO2
2.52ppb
NO2
0.16ppm
CO
AQI 21
Good
2.24μg/m³
PM2.5
10.30μg/m³
PM10
23.32ppb
O3
0.41ppb
SO2
5.07ppb
NO2
0.18ppm
CO
AQI 21
Good
2.41μg/m³
PM2.5
10.39μg/m³
PM10
23.17ppb
O3
0.43ppb
SO2
5.23ppb
NO2
0.18ppm
CO
AQI 22
Good
2.39μg/m³
PM2.5
13.52μg/m³
PM10
23.79ppb
O3
0.31ppb
SO2
2.42ppb
NO2
0.15ppm
CO
AQI 21
Good
2.44μg/m³
PM2.5
13.44μg/m³
PM10
23.08ppb
O3
0.32ppb
SO2
2.54ppb
NO2
0.15ppm
CO
AQI 20
Good
1.88μg/m³
PM2.5
10.12μg/m³
PM10
22.39ppb
O3
0.41ppb
SO2
5.75ppb
NO2
0.18ppm
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 2026-11-12.
In the last 24 hours, the best air quality in Smithfield, Rhode Island was observed at 11:00:00 on 2026-11-12.
As of now, the AQI in Smithfield, Rhode Island is 20, 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 2.18 μg/m3.
The PM10 concentration in Smithfield, Rhode Island is 9.966 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Smithfield, Rhode Island is 0.163 ppm.
Currently, Smithfield, Rhode Island has a sulfur dioxide (SO2) concentration of 0.398 ppb.
The current ozone (O3) level in Smithfield, Rhode Island at the moment is 21.786 ppm.
Nitrogen dioxide (NO2) level in Smithfield, Rhode Island at the moment is 5.51 ppb.
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