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)
26
Good
Union, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.33 μg/m³
0
55
155
255
425
605+
27.74 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
1.32 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Union, New York
Union, New York
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AQI 28
Good
3.52μg/m³
PM2.5
17.79μg/m³
PM10
30.33ppb
O3
0.81ppb
SO2
1.39ppb
NO2
0.20ppm
CO
AQI 28
Good
3.51μg/m³
PM2.5
17.80μg/m³
PM10
29.61ppb
O3
0.80ppb
SO2
1.39ppb
NO2
0.20ppm
CO
AQI 28
Good
3.52μg/m³
PM2.5
17.80μg/m³
PM10
30.27ppb
O3
0.81ppb
SO2
3.56ppb
NO2
0.20ppm
CO
AQI 29
Good
3.58μg/m³
PM2.5
17.82μg/m³
PM10
30.66ppb
O3
0.81ppb
SO2
3.58ppb
NO2
0.20ppm
CO
AQI 23
Good
3.49μg/m³
PM2.5
15.36μg/m³
PM10
25.48ppb
O3
0.71ppb
SO2
0.99ppb
NO2
0.19ppm
CO
AQI 23
Good
3.40μg/m³
PM2.5
15.19μg/m³
PM10
24.88ppb
O3
0.70ppb
SO2
1.04ppb
NO2
0.20ppm
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 11:00:00, 2026-06-19.
The best air quality in Union, New York was observed at 01:00:00 on 2026-06-20.
The air quality in Union, New York right now is Good, with an AQI of 26.
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 3.412 μg/m3.
Union, New York currently has a PM10 concentration of 16.326 μg/m3.
The current carbon monoxide (CO) level in Union, New York is 0.201 ppm.
The current sulfur dioxide (SO2) concentration in Union, New York is 0.665 ppb.
Union, New York currently has an ozone (O3) concentration of 27.739 ppm.
The current level of nitrogen dioxide (NO2) in Union, New York is 1.318 ppb.
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