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Guayanilla (Guayanilla) (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

Pogodnie
25°C
Pogodnie
Humidity
69.6%
Wind
10 m/s
Pressure
1016.6 hPa
Direction
99°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
22° / 28°
Precip.
1.5mm
Max wind
11.6 m/s

Hourly Forecast

09.03
Now
Weather
25°
10
10.03
00:00
Weather
25°
9
10.03
01:00
Weather
24°
8
10.03
02:00
Weather
24°
7
10.03
03:00
Weather
23°
7
10.03
04:00
Weather
23°
7
10.03
05:00
Weather
23°
7
10.03
06:00
Weather
22°
7
10.03
07:00
Weather
23°
7
10.03
08:00
Weather
22°
8
10.03
09:00
Weather
23°
8
10.03
10:00
Weather
23°
8
10.03
11:00
Weather
23°
8
10.03
12:00
Weather
24°
8
10.03
13:00
Weather
26°
8
10.03
14:00
Weather
27°
0.3
8
10.03
15:00
Weather
27°
0.9
10
10.03
16:00
Weather
27°
0.1
11
10.03
17:00
Weather
28°
0.2
10
10.03
18:00
Weather
28°
10
10.03
19:00
Weather
27°
11
10.03
20:00
Weather
27°
11
10.03
21:00
Weather
26°
12
10.03
22:00
Weather
26°
11

Temperature

28°C
22°C
23:00
25°C
00:00
25°C
01:00
24°C
02:00
24°C
03:00
23°C
04:00
23°C
05:00
23°C
06:00
22°C
07:00
23°C
08:00
22°C
09:00
23°C
10:00
23°C
11:00
23°C
12:00
24°C
13:00
26°C
14:00
27°C
15:00
27°C
16:00
27°C
17:00
28°C
18:00
28°C
19:00
27°C
20:00
27°C
21:00
26°C
22:00
26°C
23:00 10:00 22:00

Precipitation

0.9mm
0mm
14:00
0.3mm
15:00
0.9mm
16:00
0.1mm
17:00
0.2mm
23:00 10:00 22:00

Wind

11.6m/s
0m/s
23:00
10.2 m/s
00:00
9 m/s
01:00
7.7 m/s
02:00
7.4 m/s
03:00
7.1 m/s
04:00
7.3 m/s
05:00
7.1 m/s
06:00
6.9 m/s
07:00
7.1 m/s
08:00
8.1 m/s
09:00
8.4 m/s
10:00
8.4 m/s
11:00
8.4 m/s
12:00
8.1 m/s
13:00
7.5 m/s
14:00
8.4 m/s
15:00
10 m/s
16:00
10.5 m/s
17:00
9.9 m/s
18:00
10.3 m/s
19:00
11 m/s
20:00
11.4 m/s
21:00
11.6 m/s
22:00
11.3 m/s
23:00 10:00 22:00

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
54.3 km
10
3.3%

Measurement time: 2026-03-09 22:26

Calculated from PM2.5/PM10

O3
54.3 km
63 µg/m3
39.4%

Measurement time: 2026-03-09 22:26

source: OpenWeatherMap

PM10
54.3 km
9.76 µg/m3
7%

Measurement time: 2026-03-09 22:26

source: OpenWeatherMap

PM2.5
54.3 km
2.6 µg/m3
3.1%

Measurement time: 2026-03-09 22:26

source: OpenWeatherMap

CO
54.3 km
0.08325 mg/m3
0.6%

Measurement time: 2026-03-09 22:26

source: OpenWeatherMap

NO2
54.3 km
0.09 µg/m3
0%

Measurement time: 2026-03-09 22:26

source: OpenWeatherMap

SO2
54.3 km
0.14 µg/m3
0%

Measurement time: 2026-03-09 22:26

source: OpenWeatherMap

Info


Country: Puerto Rico
Region: Guayanilla
Latitude: 18.01913
Longitude: -66.79184


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About Air Quality in Guayanilla

Air quality in Guayanilla 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 Guayanilla

  • 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 Guayanilla?

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 Guayanilla

If you're planning outdoor activities in Guayanilla, 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.