Stay updated with real-time air quality in Bethlehem, New York featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
25
Good
Bethlehem, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.33 μg/m³
0
55
155
255
425
605+
26.88 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
5.72 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Bethlehem, New York
Bethlehem, New York
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AQI 25
Good
3.92μg/m³
PM2.5
17.10μg/m³
PM10
27.05ppb
O3
0.27ppb
SO2
8.51ppb
NO2
0.15ppm
CO
AQI 25
Good
3.85μg/m³
PM2.5
17.07μg/m³
PM10
27.05ppb
O3
0.27ppb
SO2
8.63ppb
NO2
0.15ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
28.86μg/m³
PM10
27.01ppb
O3
0.27ppb
SO2
8.28ppb
NO2
0.18ppm
CO
AQI 25
Good
3.96μg/m³
PM2.5
17.19μg/m³
PM10
27.02ppb
O3
0.27ppb
SO2
8.57ppb
NO2
0.15ppm
CO
AQI 33
Good
6.03μg/m³
PM2.5
29.15μg/m³
PM10
30.71ppb
O3
0.27ppb
SO2
8.78ppb
NO2
0.19ppm
CO
AQI 25
Good
4.07μg/m³
PM2.5
17.38μg/m³
PM10
26.96ppb
O3
0.27ppb
SO2
8.59ppb
NO2
0.15ppm
CO
Air quality and pollutant data for New York, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Bethlehem, New York is updated every hour for accuracy.
In the past 24 hours, the air quality in Bethlehem, New York was at its worst at 04:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in Bethlehem, New York was observed at 01:00:00 on 2026-05-14.
As of now, the AQI in Bethlehem, New York is 25, indicating Good conditions.
Bethlehem, New York air has the highest levels of O3.
Poor air quality in Bethlehem, New York means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Bethlehem, New York are currently 3.917 μg/m3.
The PM10 concentration in Bethlehem, New York is 17.132 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bethlehem, New York is 0.154 ppm.
Currently, Bethlehem, New York has a sulfur dioxide (SO2) concentration of 0.269 ppb.
The current ozone (O3) level in Bethlehem, New York at the moment is 27.035 ppm.
Nitrogen dioxide (NO2) level in Bethlehem, New York at the moment is 8.561 ppb.
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