Air Quality in Port Chester, United States

Cloudy
13.1°C · 71.4% humidity
13.1°
Feels 13.1°
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
6 12am
6
6
4 3am
6
6
6 6am
0
0
6 9am
6
6
26 12pm
26
26
26 3pm
26
26
26 6pm
6
0
26 9pm
26
26
Station readings
4
4
4
4
CAMS model adj -28
34
34
34
34
34
34
34
27
27
34
34
34
54
54
54
54
54
54
54
34
27
54
54
54
AD 728×90

Air Quality Index Trend

48h · 1 stn

Port Chester's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

71.4%
Humidity
37.7 km/h
Wind W
1000.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
4
0.99 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Port Chester?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.50.99 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
0.99
Median
0.99
Average
0.99
Low
0.99
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +6.1

What is the 7-day forecast for Port Chester?

06-09
35.2° 13.1°
0.31 mm
06-10
21.6° 18.4°
8.81 mm
06-11
25.8° 12.3°
06-12
23.7° 15.5°
9.62 mm
06-13
28.2° 19.1°
1.88 mm
06-14
23.7° 16.7°
18.31 mm
06-15
25.7° 17.4°
Both models agree Avg diff: 5.0°C

Where are air quality stations near Port Chester?

22
White Plains, New York, USA
9.9 km PM2.5: 5.3 µg/m³
4
Hartsdale, New York
13.4 km 59.7°C 59.0% RH PM2.5: 1.0 µg/m³
22
Intermediate School 74, New York, USA
27.8 km PM2.5: 5.3 µg/m³
8
Intermediate School 143, New York, USA
28.0 km PM2.5: 1.9 µg/m³
19
Intermediate School 143, New York, USA
28.0 km PM2.5: 4.6 µg/m³
22
I S 52 Junior High School, New York, USA
28.6 km PM2.5: 5.3 µg/m³
6
The City College of New York, USA
31.2 km PM2.5: 1.4 µg/m³

What cities are near Port Chester?

8 Rye 9 Harrison 12 Mamaroneck 4 White Plains 5 Scarsdale 4 Stamford 9 Eastchester 13 New Rochelle 5 Greenburgh 16 Glen Cove
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T07:30 UTC.