Air Quality in Port Chester, United States

Cloudy
13.1°C · 71.4% humidity
13.1°
Feels 13.1°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 8pm
11
18
24 11pm
22
21
20 2am
20
19
19 5am
19
11
11 8am
18
18
18 11am
38
38
38 2pm
38
38
38 5pm
38
18
Station readings
8
17
12
CAMS model adj -16
25
27
34
34
34
34
34
34
34
34
34
27
27
34
34
34
54
54
54
54
54
54
54
34
AD 728×90

Air Quality Index Trend

47h · 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▲
24
5.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Port Chester?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.7 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
5.7
Median
5.09
Average
2.99
Low
7.2
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +1.4

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: 5.2°C

Where are air quality stations near Port Chester?

35
White Plains, New York, USA
9.9 km PM2.5: 8.4 µg/m³
12
Hartsdale, New York
13.4 km 63.9°C 57.0% RH PM2.5: 3.0 µg/m³
10
Intermediate School 74, New York, USA
27.8 km PM2.5: 2.4 µg/m³
47
Intermediate School 143, New York, USA
28.0 km PM2.5: 11.3 µg/m³
60
Intermediate School 143, New York, USA
28.0 km PM2.5: 16.4 µg/m³
28
I S 52 Junior High School, New York, USA
28.6 km PM2.5: 6.7 µg/m³
24
The City College of New York, USA
31.2 km PM2.5: 5.8 µg/m³

What cities are near Port Chester?

22 Rye 20 Harrison 22 Mamaroneck 28 White Plains 18 Scarsdale 23 Stamford 19 Eastchester 21 New Rochelle 15 Greenburgh 12 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 2026-06-09T03:05 UTC.