What is the air quality in Johnston today?

The current Air Quality Index (AQI) in Johnston is 29 (Good). PM2.5 concentration is 7.01 µg/m³.

What is the temperature in Johnston right now?

The current temperature in Johnston is 34.1°C (feels like 37.9°C). Humidity is 44.3% and wind speed is 60.2 km/h.

Is it safe to go outside in Johnston?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 14.9 (Extreme).

Air Quality in Johnston, United States

Windy

34.1°C · 44.3% humidity

34.1°

Feels 37.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

24 10am

29 1pm

26 4pm

26 7pm

25 10pm

24 1am

24 4am

25 7am

Air Quality Index Trend

45h · 6 stn

View full history →

Johnston's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

44.3%

Humidity

60.2 km/h

Wind SW

1013.7 hPa

Pressure

14.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.01 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Johnston?

Temperature & Precipitation

PM2.5 Trend

45h · 6 stations

PM2.57.01 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX14.9

Extreme

Station readings (4 stations within 25 km)

7.01

Median

6.95

Average

3.4

Low

13.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -1.2

What is the 7-day forecast for Johnston?

09-05

34.1° 12.3°

16.19 mm

09-06

21.1° 17.6°

1.81 mm

09-07

22.0° 13.3°

09-08

21.4° 16.4°

5.25 mm

09-09

27.8° 12.4°

0.31 mm

09-10

25.0° 12.8°

3.44 mm

09-11

29.6° 10.9°

Both models agree Avg diff: 4.6°C

Where are air quality stations near Johnston?

Near Road, Rhode Island, USA

7.4 km PM2.5: 4.1 µg/m³

Near Road, Rhode Island, USA

7.4 km PM2.5: 13.1 µg/m³

Near Road, Rhode Island, USA

7.4 km PM2.5: 7.2 µg/m³

CCRI Providence, Rhode Island, USA

7.9 km PM2.5: 3.6 µg/m³

CCRI Providence, Rhode Island, USA

7.9 km PM2.5: 3.4 µg/m³

E Providence, Rhode Island, USA

12.2 km PM2.5: 5.0 µg/m³

W Greenwich, Rhode Island, USA

29.0 km PM2.5: 4.1 µg/m³

What cities are near Johnston?

31 North Providence 24 Cranston 34 Providence 28 East Providence 30 Smithfield 31 Pawtucket 31 Central Falls 25 West Warwick 27 Warwick 30 Cumberland

Get AQI alerts for Johnston

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T17:03 UTC.