Air Pollution in Guam — Live AQI by City, PM2.5/PM10, Smog Alerts and Forecasts

Quality of life in Guam

Green and Parks in the City

Guam 29%

Northern Mariana Islands: 83% Palau: 100% Micronesia: 25% Papua New Guinea: 27%

Pleasure of spending time in the city

Guam 62%

Northern Mariana Islands: 81% Palau: 100% Papua New Guinea: 34%

Air Pollution

Guam 33%

Northern Mariana Islands: 11% Palau: 0% Micronesia: 25% Papua New Guinea: 63%

Garbage Disposal

Guam 35%

Northern Mariana Islands: 42% Micronesia: 8.3% Papua New Guinea: 18%

Availability and quality of drinking water

Guam 52%

Northern Mariana Islands: 56% Micronesia: 0% Papua New Guinea: 38%

Cleanliness and tidiness

Guam 37%

Northern Mariana Islands: 56% Palau: 58% Micronesia: 17% Papua New Guinea: 22%

Noise and Light pollution

Guam 54%

Northern Mariana Islands: 42% Palau: 0% Micronesia: 33% Papua New Guinea: 58%

Water Pollution

Guam 46%

Northern Mariana Islands: 58% Palau: 8.3% Micronesia: 100% Papua New Guinea: 76%
Source: Numbeo


☀️ UV Index · 16-day Forecast — Guam

☀️ UV INDEX · 16-DAY FORECASTGuam03681111+8.5UV VERY HIGHtoday, day maxSPF 50, long sleeves and shade between 10:00-16:00.⏱ Unprotected fair skin can burn in about 25 min9Wed26.088Thu27.088Fri28.088Sat29.084Sun30.082Mon31.087Tue1.099Wed2.098Thu3.099Fri4.099Sat5.097Sun6.098Mon7.099Tue8.099Wed9.098Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Guam today is 8.5 (very high) — unprotected fair skin can burn in about 25 minutes.

🌊 Sea Temperature · 16-day Forecast — Guam

🌊 SEA TEMPERATURE · 16-DAY FORECASTGuam30°today · 29–30°C30Wed26.0830Thu27.0830Fri28.0830Sat29.0830Sun30.0830Mon31.0830Tue1.0930Wed2.0929Thu3.09pollution-alert.com · August 27, 2026

The sea temperature at Guam today is about 30°C.

🌊 Sea Temperature By Month — Guam

29° Jan
28° Feb
28° Mar
29° Apr
29° May
30° Jun
30° Jul
30° Aug
30° Sep
30° Oct
30° Nov
29° Dec

The sea around Guam is warmest in August (about 30°C) and coldest in February (about 28°C) — long-term monthly averages.

🌦️ Weather · 16-day Forecast — Guam

🌦️ WEATHER · 16-DAY FORECASTGuam🌧️31°RainToday · ↑32° ↓25°💨 5 km/h · 💧 72%Tue25.08🌧️32°25°Wed26.08🌧️28°25°Thu27.08🌧️28°26°Fri28.08🌧️28°26°Sat29.08🌧️29°27°Sun30.08🌧️28°26°Mon31.08🌧️27°26°Tue1.09🌧️29°26°Wed2.09🌧️27°26°Thu3.09🌧️28°26°Fri4.09🌧️29°27°Sat5.09🌧️29°27°Sun6.09🌧️30°27°Mon7.09🌧️29°27°Tue8.09🌧️30°27°Wed9.09🌧️28°27°pollution-alert.com · August 27, 2026

16-day weather forecast for Guam: today around 32°C (rain), lows near 25°C. Daily temperature and conditions, updated every day.