Air Quality in Bethlehem, United States

Partly Cloudy
6.6°C · 65.9% humidity
6.6°
Feels 2.3°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
16 9pm
8
11
25 12am
16
16
16 3am
16
29
29 6am
29
29
29 9am
29
54
54 12pm
54
29
29 3pm
29
29
16 6pm
16
16
Station readings
16
8
11
25
CAMS model adj -21
37
37
37
37
37
37
37
37
50
50
50
50
50
50
75
75
75
50
50
50
50
37
37
37
AD 728×90

PM2.5 Trend (24h)

13h · 1 station
65.9%
Humidity
27.7 km/h
Wind SW
1031.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Bethlehem?

Temperature & Precipitation

PM2.53.52 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (1 station within 25 km)
3.52
Median
3.52
Average
3.52
Low
3.52
High
PM2.5 µg/m³ · Model: 11.9 · Bias: +8.4

What is the 7-day forecast for Bethlehem?

04-10
16.4° 2.0°
04-11
20.7° 7.0°
04-12
17.4° 7.5°
04-13
17.7° 8.2°
0.06 mm
04-14
24.9° 15.3°
0.06 mm
04-15
22.7° 17.1°
0.5 mm
04-16
16.7° 8.7°
0.06 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Bethlehem?

38
Freemansburg, Pennsylvania, USA
2.5 km
42
Freemansburg, Pennsylvania, USA
2.5 km
25
Easton, Pennsylvania
16.2 km PM2.5: 5.9 µg/m³ PM10: 6.8 µg/m³

What cities are near Bethlehem?

15 Allentown 15 Whitehall Township 36 Lansdale 20 Limerick 18 Pottstown 35 Norristown 34 Phoenixville 35 Willow Grove 35 King of Prussia 35 Abington

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:58 UTC.