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West Islip (New York) (US)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Clear sky
-10°C
Clear sky
Humidity
85.7%
Wind
4 m/s
Pressure
1020.5 hPa
Direction
307°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-11° / -3°
Precip.
0mm
Max wind
7.3 m/s

Hourly Forecast

03.02
Now
Weather
-10°
03.02
11:00
Weather
-10°
03.02
12:00
Weather
-11°
03.02
13:00
Weather
-11°
03.02
14:00
Weather
-10°
03.02
15:00
Weather
-8°
03.02
16:00
Weather
-6°
03.02
17:00
Weather
-5°
5
03.02
18:00
Weather
-4°
03.02
19:00
Weather
-4°
5
03.02
20:00
Weather
-3°
6
03.02
21:00
Weather
-3°
7
03.02
22:00
Weather
-4°
7
03.02
23:00
Weather
-3°
7
04.02
00:00
Weather
-3°
7
04.02
01:00
Weather
-3°
7
04.02
02:00
Weather
-3°
7
04.02
03:00
Weather
-4°
7
04.02
04:00
Weather
-5°
6
04.02
05:00
Weather
-5°
6
04.02
06:00
Weather
-5°
5
04.02
07:00
Weather
-5°
5
04.02
08:00
Weather
-6°
5
04.02
09:00
Weather
-6°
6

Temperature

-3°C
-11°C
10:00
-10°C
11:00
-10°C
12:00
-11°C
13:00
-11°C
14:00
-10°C
15:00
-8°C
16:00
-6°C
17:00
-5°C
18:00
-4°C
19:00
-4°C
20:00
-3°C
21:00
-3°C
22:00
-4°C
23:00
-3°C
00:00
-3°C
01:00
-3°C
02:00
-3°C
03:00
-4°C
04:00
-5°C
05:00
-5°C
06:00
-5°C
07:00
-5°C
08:00
-6°C
09:00
-6°C
10:00 21:00 09:00

Precipitation

0mm
0mm
10:00 21:00 09:00

Wind

7.3m/s
0m/s
10:00
4.4 m/s
11:00
4.2 m/s
12:00
4.6 m/s
13:00
4 m/s
14:00
3.4 m/s
15:00
3.3 m/s
16:00
4.4 m/s
17:00
5.3 m/s
18:00
4.9 m/s
19:00
5.1 m/s
20:00
6 m/s
21:00
7.3 m/s
22:00
6.9 m/s
23:00
6.5 m/s
00:00
7.3 m/s
01:00
7.2 m/s
02:00
7.1 m/s
03:00
6.8 m/s
04:00
5.8 m/s
05:00
5.5 m/s
06:00
5.4 m/s
07:00
5.3 m/s
08:00
5.3 m/s
09:00
5.9 m/s
10:00 21:00 09:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
57.7 km
141
47%

Measurement time: 2026-02-03 10:00

Calculated from PM2.5/PM10

PM2.5
57.7 km
52 µg/m3
61.9%

Measurement time: 2026-02-03 10:00

source: Aqicn

NO2
57.7 km
29.4 µg/m3
14.7%

Measurement time: 2026-02-03 10:00

source: Aqicn

O3
57.7 km
16.8 µg/m3
10.5%

Measurement time: 2026-02-03 10:00

source: Aqicn

CO
49.8 km
0.0051 mg/m3
0%

Measurement time: 2026-02-03 10:00

source: Aqicn

About Air Quality in West Islip

Air quality in West Islip is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in West Islip

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in West Islip?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in West Islip

If you're planning outdoor activities in West Islip, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.