๐Ÿ‡ฌ๐Ÿ‡บ Air Quality in Tamuning-Tumon-Harmon Village, Guam

Sunny
27ยฐC
Sunny
PM 2.5
6
ยตg/mยณ

US EPA Index
1
Good
As of 10 o'clock in the morning local time this Thursday, January 29, 2026, the atmosphere in Tamuning-Tumon-Harmon Village is reporting an air quality level that is currently good. The current PM 2.5 concentration of 5.95 ยตg/mยณ indicates that the air is fresh and healthy for all residents.

Current Weather in Tamuning-Tumon-Harmon Village

๐ŸŒก๏ธ 27ยฐC (Feels like 30ยฐ)
๐ŸŒฌ๏ธ 8 km/h ESE
๐Ÿ’ง 84% Humidity
๐Ÿงญ 1014 hPa
๐Ÿ‘๏ธ 16.0 km Visibility
โ˜€๏ธ UV Index: 3.2
๐ŸŒ… Sunrise: 06:48 AM
๐ŸŒ‡ Sunset: 06:20 PM
๐ŸŒก๏ธ Dew Point: 22ยฐC

Detailed Air Pollutant Breakdown

PM 2.5
6.0
ยตg/mยณ
PM 10
9.2
ยตg/mยณ
Nitrogen Dioxide (NO2)
1.1
ยตg/mยณ
Ozone (O3)
45.0
ยตg/mยณ
Carbon Monoxide (CO)
97.8
ยตg/mยณ
Sulfur Dioxide (SO2)
1.1
ยตg/mยณ

Understanding Air Quality Levels

Good (0-50)

Air is fresh and healthy. Safe for all outdoor activities.

Moderate (51-100)

Acceptable air quality, though sensitive groups should monitor comfort.

Unhealthy (Sensitive) (101-150)

Vulnerable groups (children, elderly) should limit outdoor exertion.

Unhealthy (151-200)

Everyone begins to experience health effects. Stay indoors where possible.

Very Unhealthy (201-300)

Significant health impact for entire population. Emergency conditions.

Hazardous (301+)

Serious health alert: everyone may experience serious life-threatening effects.

Good (0-12)

Fine particles are at minimal, safe levels. Air is optimal.

Moderate (12-35)

Acceptable air, but haze may be present in urban areas.

Sensitive (35-55)

Individuals with heart or lung disease should limit activity.

Unhealthy (55-150)

Particulate levels high enough to cause respiratory irritation.

Very Unhealthy (150-250)

Heavy haze. High risk to cardiovascular health for the public.

Hazardous (250+)

Lethal particulate concentrations. Critical neurological and lung risk.

Good (0-54)

Low levels of dust and coarse particles. Environment is safe.

Moderate (55-154)

Coarse particles may trigger coughing in sensitive groups.

Sensitive (155-254)

Visible dust pollution. Sensitive groups should avoid heavy labor.

Unhealthy (255-354)

Widespread respiratory impacts likely for the population.

Very Unhealthy (355-424)

Dangerous dust and debris levels. Significant warnings issued.

Hazardous (425+)

Extremely high concentrations. Stay inside with filtration.

Good (0-54)

Surface ozone levels are within a safe, natural range.

Moderate (55-70)

Acceptable air, but sensitive individuals may feel chest tightness.

Sensitive (71-85)

Rising ozone can trigger airway inflammation in active children.

Unhealthy (86-105)

Avoid heavy outdoor work during the hottest part of the day.

Very Unhealthy (106-200)

Serious lung function reduction likely across the public.

Hazardous (201+)

Emergency ozone levels. Risk of permanent lung tissue damage.

Good (0-53)

Nitrogen levels are optimal. Safe for everyone.

Moderate (54-100)

Typical background levels for high-density urban areas.

Sensitive (101-360)

Increased risk of respiratory infections for vulnerable groups.

Unhealthy (361-649)

Significant airway inflammation likely near traffic zones.

Very Unhealthy (650-1249)

Acute respiratory distress potential. High-risk groups stay indoors.

Hazardous (1250+)

Toxic concentrations. Immediate health precautions required.

Good (0-4.4)

Carbon Monoxide levels are clean and non-toxic.

Moderate (4.5-9.4)

Acceptable; may affect those with specific heart conditions.

Sensitive (9.5-12.4)

Reduced oxygen delivery to the heart may occur.

Unhealthy (12.5-15.4)

Headaches and fatigue may occur in urban canyons.

Very Unhealthy (15.5-30.4)

Significant cardiovascular distress. Mental confusion possible.

Hazardous (30.5+)

Lethal potential. Immediate risk of neurological collapse.

Good (0-35)

Optimal air quality with no sulfur detection.

Moderate (36-75)

Acceptable air; minor odors possible near industry.

Sensitive (76-185)

Bronchoconstriction possible for active asthmatics.

Unhealthy (186-304)

Respiratory distress likely for the wider population.

Very Unhealthy (305-604)

Significant wheezing and shortness of breath likely.

Hazardous (605+)

Extreme respiratory danger. Significant life risk.

Health & Scientific Resources

→ How to read US EPA Air Quality Index before going outside → Understanding Air Quality Index levels and what they mean → When haze forms and what it does to air quality

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