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Air Quality Monitor (Hougang - Singapore)

Real-time haze monitor • Updated 08 Oct, 3:00PM

Air Quality

Unhealthy

🏃 Move Workouts Indoors
AQI
165
Air Quality Index
1-Hr PM2.5
76 µg/m³
Fine Dust Level
24-Hr PSI
115
NEA Official Index

🛡️ Current Health Advisories

📍 Hougang
🏃

General Public

Everyone should reduce prolonged or heavy outdoor exertion. Consider moving workouts indoors.

👵

Children, Elderly & Sensitive Groups

Avoid outdoor physical exertion. Stay indoors where possible.

😷

N95 masks are recommended for prolonged outdoor activity under current air conditions.

Note: Sensitive groups include children, the elderly, pregnant women, and individuals with heart or respiratory conditions (e.g. asthma).

🗺️ Singapore AQI Map

Real-time haze levels across Singapore.

North
139
Mild Haze
West
171
Unhealthy
Central
173
Unhealthy
East
165
Unhealthy
South
156
Unhealthy

Regional Readings Across Singapore

Click any region or area to view its localized air quality station readings.

north
139 AQI
PM2.5: 51 µg/m³
Areas
Admiralty Kranji Woodlands Sembawang Yishun Yio Chu Kang Seletar Punggol Sengkang
south
156 AQI
PM2.5: 63 µg/m³
Areas
Holland Queenstown Bukit Merah Telok Blangah Pasir Panjang Sentosa Bukit Timah Newton Orchard Raffles Place Marina South
east
165 AQI
PM2.5: 76 µg/m³
Areas
Serangoon Hougang Tampines Pasir Ris Loyang Simei Kallang Katong East Coast MacPherson Bedok
west
171 AQI
PM2.5: 84 µg/m³
Areas
Choa Chu Kang Bukit Panjang Tuas Jurong East Jurong West Bukit Batok Hillview West Coast Clementi
central
173 AQI
PM2.5: 87 µg/m³
Areas
Thomson Marymount Sin Ming Ang Mo Kio Bishan Serangoon Gardens MacRitchie Toa Payoh

AQI Health Advisory Scale

Air Quality Index (AQI) categories and outdoor activity recommendations.

0 - 50

Good

Ideal for all outdoor sports & running.

51 - 100

Moderate

Acceptable; sensitive groups reduce exertion.

101 - 150

Sensitive Groups

Limit heavy cardio outdoors if sensitive.

151 - 200

Unhealthy

Move workouts indoors; wear N95 mask.

201+

Very Unhealthy

Avoid all outdoor physical activity.

💡 Understanding The Metrics: AQI vs PM2.5 vs PSI

Confused by different numbers? Here is a quick breakdown of what each reading measures and when to use it.

⚡ Raw Data

1-Hr PM2.5

  • • Microscopic particles (30x smaller than a human hair).
  • • Main culprit in haze: Penetrates directly into lungs & bloodstream.
🏃 Best Used For: Deciding whether to head out for a run or workout right now.
🌐 Global Standard

AQI

  • • A standardized index that is used globally. Developed by the US EPA.
  • • AQI (Air Quality Index) indicates how clean or polluted the air is and what the air quality may mean for your health.
  • • Calculated using real-time 1-hour PM2.5 concentrations
🎯 Best Used For: Quickly checking immediate health risks using international standards.
🏛️ Official Singapore

24-Hr PSI

  • • Singapore's official index managed by NEA.
  • • 24-hour moving average across 6 key pollutants.
  • • Updates gradually to reflect day-long cumulative exposure.
📅 Best Used For: Daily planning, school or work decisions and general haze monitoring.

ℹ️ Data Sources & Health Advisory Methodology

Real-Time Data Sources

Environmental readings including PM2.5 and 24-hr PSI are retrieved directly from Singapore's official government data portal.

AQI & Advisory

The Air Quality Index (AQI) displayed on this dashboard is calculated using the standard United States Environmental Protection Agency (US EPA) formula based on 1-hour PM2.5 concentrations.

Health advisory guidance and outdoor exertion recommendations align with joint guidelines from the National Environment Agency (NEA) and the Ministry of Health (MOH) Singapore.

Disclaimer: This dashboard is for informational use and outdoor activity planning. Refer to official MOH/NEA channels for emergency haze health notices.