Air Quality in Port Chester, United States

Heavy Rain
18.1°C · 90.6% humidity
18.1°
Feels 18.1°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
40 1pm
40
40
33 4pm
15
16
17 7pm
11
19
19 10pm
19
13
13 1am
11
13
11 4am
11
11
11 7am
11
11
11 10am
13
13
Station readings
43
45
39
16
CAMS model adj -14
54
54
54
54
34
34
34
27
34
34
34
27
27
25
27
25
25
25
25
25
25
25
27
27
AD 728×90

Air Quality Index Trend

46h · 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.

90.6%
Humidity
95.2 km/h
Wind NNE
1011.7 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
8.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Port Chester?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.58.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (1 station within 25 km)
8.0
Median
8.0
Average
8.0
Low
8.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +2.8

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?

53
White Plains, New York, USA
9.9 km PM2.5: 13.1 µg/m³
16
Hartsdale, New York
13.4 km 73.0°C 95.0% RH PM2.5: 3.8 µg/m³
42
SBH Health System
25.2 km PM2.5: 10.1 µg/m³
70
Intermediate School 74, New York, USA
27.8 km PM2.5: 21.1 µg/m³
32
Intermediate School 143, New York, USA
28.0 km PM2.5: 7.7 µg/m³
35
Intermediate School 143, New York, USA
28.0 km PM2.5: 8.4 µg/m³
62
I S 52 Junior High School, New York, USA
28.6 km PM2.5: 17.3 µg/m³
39
The City College of New York, USA
31.2 km PM2.5: 9.4 µg/m³

What cities are near Port Chester?

35 Rye 38 Harrison 38 Mamaroneck 34 White Plains 34 Scarsdale 33 Stamford 37 Eastchester 40 New Rochelle 34 Greenburgh 38 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 2026-07-21T20:53 UTC.