Air Quality in Johnston, United States

Windy
4.5°C · 71.6% humidity
4.5°
Feels -2.1°
92
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
87 9pm
97
64
64 12am
76
76
76 3am
76
76
76 6am
76
76
76 9am
76
76
76 12pm
89
89
89 3pm
76
76
76 6pm
76
76
Station readings
87
97
CAMS model adj +39
25
25
25
25
37
37
37
37
37
37
37
37
37
37
37
37
50
50
50
37
37
37
37
37
AD 728×90

PM2.5 Trend (24h)

22h · 1 station
71.6%
Humidity
50.5 km/h
Wind SSW
1033.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Johnston?

Temperature & Precipitation

PM2.531.74 µg/m³ ×2.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (1 station within 25 km)
31.74
Median
31.74
Average
31.74
Low
31.74
High
PM2.5 µg/m³ · Model: 29.15 · Bias: -2.6

What is the 7-day forecast for Johnston?

04-10
18.5° 2.2°
04-11
21.8° 6.5°
04-12
17.8° 6.3°
04-13
11.5° 7.0°
1.5 mm
04-14
26.3° 13.5°
04-15
25.3° 16.9°
0.31 mm
04-16
14.6° 8.0°
0.44 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Johnston?

13
Near Road, Rhode Island, USA
7.4 km
2
CCRI Providence, Rhode Island, USA
7.9 km
97
SUEZ Waterpump Station
10.9 km PM2.5: 34.2 µg/m³
35
E Providence, Rhode Island, USA
12.2 km
34
W Greenwich, Rhode Island, USA
29.0 km

What cities are near Johnston?

92 North Providence 92 Cranston 92 Providence 92 East Providence 92 Smithfield 92 Pawtucket 92 Central Falls 92 West Warwick 92 Warwick 92 Cumberland

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:03 UTC.