Air Quality in Port Chester, United States

Heavy Rain
16.8°C · 93.8% humidity
16.8°
Feels 16.8°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
35 4pm
15
15
12 7pm
8
15
15 10pm
15
8
8 1am
6
8
6 4am
6
6
6 7am
6
6
6 10am
8
8
8 1pm
8
8
Station readings
16
16
10
CAMS model adj -19
54
34
34
34
27
34
34
34
27
27
25
27
25
25
25
25
25
25
25
27
27
27
27
27
AD 728×90

Air Quality Index Trend

45h · 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.

93.8%
Humidity
70.2 km/h
Wind N
1013.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
3.04 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Port Chester?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.53.04 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
3.04
Median
3.04
Average
3.04
Low
3.04
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +7.8

What is the 7-day forecast for Port Chester?

07-21
28.2° 18.1°
10.37 mm
07-22
23.7° 16.1°
34.81 mm
07-23
29.2° 18.2°
11.38 mm
07-24
28.3° 16.3°
6.06 mm
07-25
33.2° 21.6°
4.75 mm
07-26
24.8° 20.1°
3.5 mm
07-27
27.8° 22.1°
1.63 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Port Chester?

42
White Plains, New York, USA
9.9 km PM2.5: 10.1 µg/m³
10
Hartsdale, New York
13.4 km 72.0°C 95.0% RH PM2.5: 2.3 µg/m³
30
SBH Health System
25.2 km PM2.5: 7.3 µg/m³
52
Intermediate School 74, New York, USA
27.8 km PM2.5: 12.6 µg/m³
3
Intermediate School 143, New York, USA
28.0 km PM2.5: 0.7 µg/m³
24
Intermediate School 143, New York, USA
28.0 km PM2.5: 5.8 µg/m³
20
I S 52 Junior High School, New York, USA
28.6 km PM2.5: 4.8 µg/m³
38
The City College of New York, USA
31.2 km PM2.5: 9.1 µg/m³

What cities are near Port Chester?

17 Rye 17 Harrison 18 Mamaroneck 14 White Plains 13 Scarsdale 12 Stamford 16 Eastchester 22 New Rochelle 13 Greenburgh 22 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 2026-07-21T23:44 UTC.