Air Quality in Port Chester, United States

Clear
20.8°C · 43.5% humidity
20.8°
Feels 20.8°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
7 5pm
7
7
19 8pm
16
13
12 11pm
10
9
9 2am
8
8
8 5am
7
7
7 8am
7
7
7 11am
7
7
7 2pm
7
7
Station readings
4
12
8
4
CAMS model adj -17
24
24
24
24
24
24
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

42h · 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.

43.5%
Humidity
22.4 km/h
Wind SSW
1019.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
19
4.57 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Port Chester?

Temperature & Precipitation

PM2.5 Trend

42h · 1 station
PM2.54.57 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
4.57
Median
3.99
Average
1.98
Low
6.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.3

What is the 7-day forecast for Port Chester?

05-29
20.8° 11.7°
0.19 mm
05-30
24.3° 11.4°
2.0 mm
05-31
28.9° 11.6°
06-01
23.9° 13.8°
0.19 mm
06-02
20.7° 15.2°
06-03
23.4° 17.4°
0.25 mm
06-04
24.0° 17.8°
0.69 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Port Chester?

15
White Plains, New York, USA
9.9 km PM2.5: 3.6 µg/m³
4
Hartsdale, New York
13.4 km 65.5°C 65.0% RH PM2.5: 1.0 µg/m³
16
Intermediate School 74, New York, USA
27.8 km PM2.5: 3.8 µg/m³
43
Intermediate School 143, New York, USA
28.0 km PM2.5: 10.3 µg/m³
16
Intermediate School 143, New York, USA
28.0 km PM2.5: 3.8 µg/m³
28
I S 52 Junior High School, New York, USA
28.6 km PM2.5: 6.7 µg/m³
16
The City College of New York, USA
31.2 km PM2.5: 3.8 µg/m³

What cities are near Port Chester?

18 Rye 18 Harrison 16 Mamaroneck 23 White Plains 13 Scarsdale 19 Stamford 14 Eastchester 16 New Rochelle 11 Greenburgh 18 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 2026-05-29T00:25 UTC.