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Arroyo (Arroyo) (PR)

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

Light rain
24°C
Light rain
Humidity
93.2%
Wind
5 m/s
Pressure
1016.3 hPa
Direction
142°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
23° / 27°
Precip.
7.2mm
Max wind
6.4 m/s

Hourly Forecast

01.02
Now
Weather
24°
0.1
5
01.02
13:00
Weather
25°
0.1
5
01.02
14:00
Weather
26°
0.2
6
01.02
15:00
Weather
26°
0.5
6
01.02
16:00
Weather
25°
0.4
01.02
17:00
Weather
26°
0.2
01.02
18:00
Weather
27°
0.6
01.02
19:00
Weather
26°
0.5
01.02
20:00
Weather
26°
0.2
01.02
21:00
Weather
25°
0.1
01.02
22:00
Weather
25°
01.02
23:00
Weather
24°
02.02
00:00
Weather
24°
0.2
02.02
01:00
Weather
24°
02.02
02:00
Weather
23°
02.02
03:00
Weather
23°
02.02
04:00
Weather
23°
02.02
05:00
Weather
23°
0.1
02.02
06:00
Weather
23°
0.3
02.02
07:00
Weather
23°
0.7
02.02
08:00
Weather
23°
1.3
02.02
09:00
Weather
23°
0.7
02.02
10:00
Weather
23°
0.3
02.02
11:00
Weather
23°
0.7

Temperature

27°C
23°C
12:00
24°C
13:00
25°C
14:00
26°C
15:00
26°C
16:00
25°C
17:00
26°C
18:00
27°C
19:00
26°C
20:00
26°C
21:00
25°C
22:00
25°C
23:00
24°C
00:00
24°C
01:00
24°C
02:00
23°C
03:00
23°C
04:00
23°C
05:00
23°C
06:00
23°C
07:00
23°C
08:00
23°C
09:00
23°C
10:00
23°C
11:00
23°C
12:00 23:00 11:00

Precipitation

1.3mm
0mm
12:00
0.1mm
13:00
0.1mm
14:00
0.2mm
15:00
0.5mm
16:00
0.4mm
17:00
0.2mm
18:00
0.6mm
19:00
0.5mm
20:00
0.2mm
21:00
0.1mm
00:00
0.2mm
05:00
0.1mm
06:00
0.3mm
07:00
0.7mm
08:00
1.3mm
09:00
0.7mm
10:00
0.3mm
11:00
0.7mm
12:00 23:00 11:00

Wind

6.4m/s
0m/s
12:00
5.3 m/s
13:00
5.2 m/s
14:00
5.8 m/s
15:00
6.4 m/s
16:00
5 m/s
17:00
3.9 m/s
18:00
4.3 m/s
19:00
4.2 m/s
20:00
3.6 m/s
21:00
3.2 m/s
22:00
2.8 m/s
23:00
1.9 m/s
00:00
1.7 m/s
01:00
2.9 m/s
02:00
1.8 m/s
03:00
1.7 m/s
04:00
1 m/s
05:00
0.5 m/s
06:00
1.2 m/s
07:00
1 m/s
08:00
2.3 m/s
09:00
1.6 m/s
10:00
1.3 m/s
11:00
1.4 m/s
12:00 23:00 11:00

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
50.5 km
13
4.3%

Measurement time: 2026-02-01 10:23

Calculated from PM2.5/PM10

O3
50.5 km
47.97 µg/m3
30%

Measurement time: 2026-02-01 10:23

source: OpenWeatherMap

PM10
50.5 km
9.44 µg/m3
6.7%

Measurement time: 2026-02-01 10:23

source: OpenWeatherMap

PM2.5
50.5 km
3.22 µg/m3
3.8%

Measurement time: 2026-02-01 10:23

source: OpenWeatherMap

CO
50.5 km
0.11042 mg/m3
0.8%

Measurement time: 2026-02-01 10:23

source: OpenWeatherMap

NO2
50.5 km
0.23 µg/m3
0.1%

Measurement time: 2026-02-01 10:23

source: OpenWeatherMap

SO2
50.5 km
0.21 µg/m3
0.1%

Measurement time: 2026-02-01 10:23

source: OpenWeatherMap

Info


Country: Puerto Rico
Region: Arroyo
Latitude: 17.9658
Longitude: -66.06128

Cities in the area:


Solar Energy

Low
268.5 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Arroyo

About Air Quality in Arroyo

Air quality in Arroyo 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 Arroyo

  • 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 Arroyo?

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 Arroyo

If you're planning outdoor activities in Arroyo, 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.