Air Quality in Bethlehem, United States

Windy
27.1°C · 32.7% humidity
27.1°
Feels 27.1°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
39 12am
39
39
17 3am
23
35
38 6am
40
42
34 9am
37
37
38 12pm
38
38
39 3pm
39
39
39 6pm
39
39
39 9pm
37
37
Station readings
51
60
62
CAMS model adj +12
27
27
27
27
27
34
34
34
34
25
27
27
27
27
27
27
27
27
27
27
27
27
25
25
AD 728×90

Air Quality Index Trend

43h · 1 stn

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

32.7%
Humidity
43.1 km/h
Wind WNW
1011.1 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
17
4.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

43h · 1 station
PM2.54.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
4.0
Median
4.0
Average
4.0
Low
4.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +6.0
08-03
27.1° 19.8°
17.56 mm
08-04
35.8° 18.1°
08-05
31.2° 19.2°
0.44 mm
08-06
28.3° 16.2°
08-07
30.6° 18.5°
3.0 mm
08-08
36.1° 18.9°
0.13 mm
08-09
33.2° 21.0°
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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 2026-08-08T07:24 UTC.