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)
18
Good
Bethlehem, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.15 μg/m³
0
55
155
255
425
605+
19.32 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
2.51 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bethlehem, New York
Bethlehem, New York
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AQI 18
Good
1.15μg/m³
PM2.5
4.17μg/m³
PM10
19.33ppb
O3
0.60ppb
SO2
2.50ppb
NO2
0.22ppm
CO
AQI 18
Good
1.05μg/m³
PM2.5
4.06μg/m³
PM10
19.20ppb
O3
0.60ppb
SO2
2.52ppb
NO2
0.22ppm
CO
AQI 18
Good
1.40μg/m³
PM2.5
4.27μg/m³
PM10
19.31ppb
O3
0.60ppb
SO2
2.48ppb
NO2
0.25ppm
CO
AQI 18
Good
1.17μg/m³
PM2.5
4.19μg/m³
PM10
19.44ppb
O3
0.60ppb
SO2
2.52ppb
NO2
0.22ppm
CO
AQI 16
Good
1.35μg/m³
PM2.5
4.27μg/m³
PM10
17.33ppb
O3
0.59ppb
SO2
2.63ppb
NO2
0.26ppm
CO
AQI 19
Good
1.27μg/m³
PM2.5
4.30μg/m³
PM10
19.70ppb
O3
0.60ppb
SO2
2.52ppb
NO2
0.22ppm
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 03:00:00 on 2026-09-28.
In the last 24 hours, the best air quality in Bethlehem, New York was observed at 11:00:00 on 2026-09-28.
As of now, the AQI in Bethlehem, New York is 18, 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 1.129 μg/m3.
The PM10 concentration in Bethlehem, New York is 4.146 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bethlehem, New York is 0.223 ppm.
Currently, Bethlehem, New York has a sulfur dioxide (SO2) concentration of 0.598 ppb.
The current ozone (O3) level in Bethlehem, New York at the moment is 19.323 ppm.
Nitrogen dioxide (NO2) level in Bethlehem, New York at the moment is 2.511 ppb.
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