Stay updated with real-time air quality in Port Chester, 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)
90
Moderate
Port Chester, New York
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.37 μg/m³
0
55
155
255
425
605+
67.40 ppb
0
55
71
86
201
201+
1.68 ppb
0
36
76
186
605
1005+
13.46 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Port Chester, New York
Port Chester, New York
Scroll To Air Quality MapLoading...
AQI 60
Moderate
13.64μg/m³
PM2.5
62.38μg/m³
PM10
25.68ppb
O3
1.53ppb
SO2
26.54ppb
NO2
0.31ppm
CO
AQI 62
Moderate
14.71μg/m³
PM2.5
67.00μg/m³
PM10
30.15ppb
O3
1.28ppb
SO2
26.05ppb
NO2
0.32ppm
CO
AQI 58
Moderate
13.26μg/m³
PM2.5
60.67μg/m³
PM10
24.09ppb
O3
1.57ppb
SO2
26.57ppb
NO2
0.31ppm
CO
AQI 58
Moderate
13.12μg/m³
PM2.5
60.44μg/m³
PM10
24.11ppb
O3
1.75ppb
SO2
26.92ppb
NO2
0.31ppm
CO
AQI 58
Moderate
12.69μg/m³
PM2.5
57.01μg/m³
PM10
20.21ppb
O3
1.06ppb
SO2
25.51ppb
NO2
0.32ppm
CO
AQI 56
Moderate
11.94μg/m³
PM2.5
54.42μg/m³
PM10
21.58ppb
O3
1.63ppb
SO2
26.22ppb
NO2
0.30ppm
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 Port Chester, New York is updated every hour for accuracy.
In the past 24 hours, the air quality in Port Chester, New York was at its worst at 11:00:00 on 2025-07-29.
In the last 24 hours, the best air quality in Port Chester, New York was observed at 09:00:00 on 2025-07-30.
As of now, the AQI in Port Chester, New York is 60, indicating Moderate conditions.
Port Chester, New York air has the highest levels of PM2.5.
Poor air quality in Port Chester, New York means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Port Chester, New York are currently 14.456 μg/m3.
The PM10 concentration in Port Chester, New York is 65.895 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Port Chester, New York is 0.32 ppm.
Currently, Port Chester, New York has a sulfur dioxide (SO2) concentration of 1.378 ppb.
The current ozone (O3) level in Port Chester, New York at the moment is 29 ppm.
Nitrogen dioxide (NO2) level in Port Chester, New York at the moment is 26.317 ppb.
All Rights Reserved © Ambee Inc. 2025