What is the air quality in Port Chester today?

The current Air Quality Index (AQI) in Port Chester is 13 (Good). PM2.5 concentration is 3.16 µg/m³.

What is the temperature in Port Chester right now?

The current temperature in Port Chester is 11.0°C (feels like 11.0°C). Humidity is 51.8% and wind speed is 27.4 km/h.

Is it safe to go outside in Port Chester?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Port Chester, United States

Partly Cloudy

11.0°C · 51.8% humidity

11.0°

Feels 11.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

18h · 1 stn

View full history →

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.

51.8%

Humidity

27.4 km/h

Wind E

1028.9 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.16 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Port Chester?

Temperature & Precipitation

PM2.5 Trend

18h · 1 station

PM2.53.16 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

3.16

Median

2.9

Average

1.99

Low

3.8

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +3.3

What is the 7-day forecast for Port Chester?

10-20

16.4° 7.0°

11.75 mm

10-21

21.9° 8.2°

10-22

19.3° 11.4°

6.56 mm

10-23

16.5° 7.5°

10-24

17.3° 10.1°

0.06 mm

10-25

19.3° 11.2°

32.69 mm

10-26

13.6° 7.9°

0.13 mm

Both models agree Avg diff: 3.9°C

Where are air quality stations near Port Chester?

White Plains, New York, USA

9.9 km PM2.5: 3.4 µg/m³

Hartsdale, New York

13.4 km 62.1°C 57.0% RH PM2.5: 2.0 µg/m³

SBH Health System

25.2 km PM2.5: 5.3 µg/m³

Intermediate School 143, New York, USA

28.0 km PM2.5: 7.4 µg/m³

I S 52 Junior High School, New York, USA

28.6 km PM2.5: 7.2 µg/m³

What cities are near Port Chester?

14 Rye 15 Harrison 15 Mamaroneck 15 White Plains 11 Scarsdale 13 Stamford 14 Eastchester 18 New Rochelle 10 Greenburgh 19 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 2026-10-20T22:43 UTC.