Air Quality in Port Chester, United States

Windy
11.7°C · 59.7% humidity
11.7°
Feels 11.7°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
5 7am
5
5
28 10am
21
17
13 1pm
11
9
8 4pm
7
7
6 7pm
6
7
5 10pm
5
5
6 1am
6
6
6 4am
6
6
Station readings
4
4
4
4
CAMS model adj -19
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
24
24
24
25
25
25
25
25
25
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. Current PM2.5 concentration in Port Chester is 1.4× the WHO annual guideline of 5 µg/m³.

59.7%
Humidity
54.0 km/h
Wind N
1022.3 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.76 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
PM2.56.76 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
6.76
Median
4.66
Average
0.97
Low
10.8
High
PM2.5 µg/m³ · Model: 5.8 · Bias: -1.0

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: 4.0°C

Where are air quality stations near Port Chester?

6
White Plains, New York, USA
9.9 km PM2.5: 1.4 µg/m³
4
Hartsdale, New York
13.4 km 69.3°C 56.0% RH PM2.5: 1.0 µg/m³
33
Intermediate School 74, New York, USA
27.8 km PM2.5: 7.9 µg/m³
20
Intermediate School 143, New York, USA
28.0 km PM2.5: 4.8 µg/m³
13
Intermediate School 143, New York, USA
28.0 km PM2.5: 3.1 µg/m³
11
I S 52 Junior High School, New York, USA
28.6 km PM2.5: 2.6 µg/m³
43
The City College of New York, USA
31.2 km PM2.5: 10.3 µg/m³

What cities are near Port Chester?

25 Rye 22 Harrison 20 Mamaroneck 40 White Plains 15 Scarsdale 30 Stamford 15 Eastchester 18 New Rochelle 10 Greenburgh 21 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 2026-05-29T14:36 UTC.