Stay updated with real-time air quality in Johnston, 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)
49
Good
Johnston, Rhode Island
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.40 μg/m³
0
55
155
255
425
605+
26.49 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
8.71 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Johnston, Rhode Island
Scroll To Air Quality MapLoading...
AQI 58
Moderate
12.91μg/m³
PM2.5
57.56μg/m³
PM10
18.26ppb
O3
0.32ppb
SO2
19.46ppb
NO2
0.35ppm
CO
AQI 62
Moderate
14.70μg/m³
PM2.5
66.12μg/m³
PM10
20.70ppb
O3
0.33ppb
SO2
21.25ppb
NO2
0.39ppm
CO
AQI 58
Moderate
13.29μg/m³
PM2.5
59.95μg/m³
PM10
19.51ppb
O3
0.32ppb
SO2
19.10ppb
NO2
0.35ppm
CO
AQI 56
Moderate
12.36μg/m³
PM2.5
44.32μg/m³
PM10
18.64ppb
O3
0.34ppb
SO2
18.03ppb
NO2
0.34ppm
CO
AQI 58
Moderate
12.59μg/m³
PM2.5
56.19μg/m³
PM10
22.94ppb
O3
0.34ppb
SO2
17.51ppb
NO2
0.34ppm
CO
AQI 56
Moderate
11.85μg/m³
PM2.5
52.82μg/m³
PM10
13.29ppb
O3
0.31ppb
SO2
19.71ppb
NO2
0.32ppm
CO
The air quality data for Rhode Island, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Johnston, Rhode Island are available every hour.
Johnston, Rhode Island experienced its worst air quality at 04:00:00, 2025-11-03.
The best air quality in Johnston, Rhode Island was observed at 06:00:00 on 2025-11-02.
The air quality in Johnston, Rhode Island right now is Moderate, with an AQI of 54.
In Johnston, Rhode Island, PM2.5 is the most frequently found pollutant.
When air quality in Johnston, Rhode Island is compromised, staying indoors and wearing a mask can reduce health risks.
Johnston, Rhode Island currently has a PM2.5 concentration of 11.376 μg/m3.
Johnston, Rhode Island currently has a PM10 concentration of 49.983 μg/m3.
The current carbon monoxide (CO) level in Johnston, Rhode Island is 0.258 ppm.
The current sulfur dioxide (SO2) concentration in Johnston, Rhode Island is 0.253 ppb.
Johnston, Rhode Island currently has an ozone (O3) concentration of 20.632 ppm.
The current level of nitrogen dioxide (NO2) in Johnston, Rhode Island is 12.195 ppb.
All Rights Reserved © Ambee Inc. 2025