Stay updated with real-time air quality in Halfmoon, 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)
33
Good
Halfmoon, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.29 μg/m³
0
55
155
255
425
605+
26.51 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
4.13 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Halfmoon, New York
Halfmoon, New York
Scroll To Air Quality MapLoading...
AQI 33
Good
6.25μg/m³
PM2.5
25.02μg/m³
PM10
26.29ppb
O3
0.34ppb
SO2
4.18ppb
NO2
0.18ppm
CO
AQI 44
Good
7.74μg/m³
PM2.5
28.24μg/m³
PM10
26.56ppb
O3
0.32ppb
SO2
4.14ppb
NO2
0.20ppm
CO
AQI 33
Good
5.60μg/m³
PM2.5
26.38μg/m³
PM10
24.92ppb
O3
0.20ppb
SO2
4.16ppb
NO2
0.18ppm
CO
AQI 38
Good
6.64μg/m³
PM2.5
26.73μg/m³
PM10
26.21ppb
O3
0.34ppb
SO2
4.21ppb
NO2
0.18ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
26.07μg/m³
PM10
24.87ppb
O3
0.34ppb
SO2
4.20ppb
NO2
0.18ppm
CO
AQI 44
Good
8.00μg/m³
PM2.5
28.39μg/m³
PM10
26.73ppb
O3
0.33ppb
SO2
4.17ppb
NO2
0.20ppm
CO
Air quality data and pollutant measurements for New York, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Halfmoon, New York is updated every hour.
The worst air quality in Halfmoon, New York in the last 24 hours was observed at 06:00:00 on 2026-08-14.
In the last 24 hrs, the best air quality in Halfmoon, New York was observed at 05:00:00 on 2026-08-14.
The current air quality in Halfmoon, New York is 33, categorized as Good based on real-time data.
The most common pollutant in Halfmoon, New York is PM2.5.
If the air quality in Halfmoon, New York is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Halfmoon, New York is 5.879 μg/m3.
The current PM10 concentration at Halfmoon, New York is 25.291 μg/m3.
The current carbon monoxide (CO) concentration at Halfmoon, New York is 0.183 ppm.
The current sulfur dioxide (SO2) concentration at Halfmoon, New York is 0.202 ppb.
The current ozone (O3) concentration at Halfmoon, New York is 26.511 ppm.
The current nitrogen dioxide (NO2) concentration at Halfmoon, New York is 4.135 ppb.
All Rights Reserved © Ambee Inc. 2025