Air Quality in Johnson City, United States
Partly Cloudy
24.1°C · 60.5% humidity
24.1°
Feels 24.1°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Johnson City's air quality — share it
AQI Forecast
27
6pm
27
27
38
9pm
35
33
31
12am
30
29
28
3am
26
26
26
6am
25
25
25
9am
24
24
24
12pm
24
24
24
3pm
25
25
Air Quality Index Trend
30h · 1 stnJohnson City's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
60.5%
Humidity
28.8 km/h
Wind S
1012.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.23 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Johnson City?
Temperature & Precipitation
PM2.5 Trend
30h · 1 stationPM2.59.23 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Johnson City?
07-22
26.0° 18.3°
07-23
25.0° 18.0°
4.37 mm
07-24
23.7° 19.0°
0.38 mm
07-25
23.4° 18.2°
4.75 mm
07-26
28.4° 19.5°
8.0 mm
07-27
24.5° 20.0°
0.5 mm
07-28
30.9° 17.5°
0.69 mm
Both models agree
Avg diff: 2.8°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T01:41 UTC.