Stay updated with real-time air quality in Union, 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)
34
Good
Union, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.23 μg/m³
0
55
155
255
425
605+
36.80 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
4.98 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Union, New York
Union, New York
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AQI 31
Good
2.69μg/m³
PM2.5
12.60μg/m³
PM10
34.30ppb
O3
0.43ppb
SO2
5.21ppb
NO2
0.24ppm
CO
AQI 30
Good
2.70μg/m³
PM2.5
12.65μg/m³
PM10
32.38ppb
O3
0.43ppb
SO2
5.21ppb
NO2
0.24ppm
CO
AQI 34
Good
2.94μg/m³
PM2.5
12.56μg/m³
PM10
37.37ppb
O3
0.43ppb
SO2
5.20ppb
NO2
0.24ppm
CO
AQI 34
Good
2.91μg/m³
PM2.5
12.97μg/m³
PM10
36.73ppb
O3
0.44ppb
SO2
5.19ppb
NO2
0.24ppm
CO
AQI 36
Good
3.13μg/m³
PM2.5
20.38μg/m³
PM10
39.05ppb
O3
0.43ppb
SO2
2.94ppb
NO2
0.24ppm
CO
AQI 38
Good
3.20μg/m³
PM2.5
21.09μg/m³
PM10
40.96ppb
O3
0.43ppb
SO2
2.91ppb
NO2
0.24ppm
CO
The air quality data for New York, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Union, New York are available every hour.
Union, New York experienced its worst air quality at 09:00:00, 2026-04-24.
The best air quality in Union, New York was observed at 11:00:00 on 2026-04-24.
The air quality in Union, New York right now is Good, with an AQI of 33.
In Union, New York, O3 is the most frequently found pollutant.
When air quality in Union, New York is compromised, staying indoors and wearing a mask can reduce health risks.
Union, New York currently has a PM2.5 concentration of 2.763 μg/m3.
Union, New York currently has a PM10 concentration of 12.591 μg/m3.
The current carbon monoxide (CO) level in Union, New York is 0.242 ppm.
The current sulfur dioxide (SO2) concentration in Union, New York is 0.434 ppb.
Union, New York currently has an ozone (O3) concentration of 35.75 ppm.
The current level of nitrogen dioxide (NO2) in Union, New York is 5.207 ppb.
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