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Description
SGHaze — Real-Time PM2.5 Haze Monitor for Singapore
Stay informed about Singapore's air quality with SGHaze, the most detailed real-time PM2.5 haze monitor built for
everyone who calls Singapore home.
REAL-TIME DATA FROM OFFICIAL SOURCES
SGHaze pulls live PM2.5 readings directly from the National Environment Agency (NEA) through Singapore's official
open data API. No third-party guesswork — just reliable, government-sourced air quality data updated every hour
across all monitoring regions.
SMART INTERACTIVE MAP
See air quality at a glance with our color-coded map overlay. SGHaze uses Inverse Distance Weighting (IDW)
interpolation to estimate PM2.5 levels between official monitoring stations, giving you a smooth, detailed picture
of haze conditions across the island.
- Zoom out for a full Singapore overview on a 6×7 grid
- Zoom in for hyperlocal detail on a denser 12×14 grid
- Tap any point to see the estimated PM2.5 value and health category
- Search by region name to jump straight to your area
UNDERSTAND AT A GLANCE
Every reading is color-coded to help you make quick decisions:
- Green: Good (0–55) — Safe for outdoor activities
- Orange: Moderate (56–150) — Caution advised
- Deep Orange: Unhealthy (151–250) — Limit outdoor exposure
- Red: Hazardous (251+) — Stay indoors
HOURLY AIR QUALITY ALERTS
Never be caught off guard. Premium users receive automatic background notifications when PM2.5 levels reach
Unhealthy or Hazardous levels in any region — so you can protect yourself and your family before stepping outside.
BUILT FOR SINGAPORE'S DIVERSITY
SGHaze speaks your language. Choose from 6 languages:
- English
- Mandarin
- Bahasa Melayu
- Tamil
- Hokkien
- Cantonese
SHARE WITH THOSE YOU CARE ABOUT
Quickly share current PM2.5 readings with family and friends via WhatsApp or any messaging app. One tap sends a
clear summary of conditions across all regions.
EMERGENCY CONTACTS AT YOUR FINGERTIPS
Access critical emergency numbers directly from the app — SCDF, Police, NEA Hotline, and hospital emergency lines
— because haze emergencies don't wait.
PREMIUM FEATURES
Subscribe at operation cost price. A single subscription purchase unlocks:
- Full interactive map with zoom and search
- Localized Map (upon app restart)
- Denser data grid for hyperlocal readings
- Hourly background air quality alerts
- Ad-free experience
- Support continued development
PRIVACY-FIRST
SGHaze stores your preferences locally on your device. No accounts, no personal data collection, no tracking.
Payments are handled entirely through Apple — we never see your payment information.
Download SGHaze and breathe easier knowing you always have Singapore's air quality at your fingertips.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Information
Developer
Categories
Version
1.0
Size
35.1 MB
Game Center
No
VPP Device Licensing
Yes
Rating
Rated: 4+
Compatibility
iOS 14.0 or later
Devices
iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2nd generation), iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 13, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone SE (3rd generation), iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 15, iPhone 15 Plus, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16e, iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, iPhone Air, iPhone 17e, iPad (5th Generation) Wi-Fi, iPad (5th Generation) Wi-Fi + Cellular, iPad (6th generation) Wi-Fi, iPad (6th generation) Wi-Fi + Cellular, iPad Pro, iPad Pro (Cellular), iPad Pro (9.7-inch), iPad Pro (9.7-inch) (Cellular), iPad Pro 12.9-inch (2nd generation), iPad Pro 12.9-inch (2nd generation) Wi-Fi + Cellular, iPad Pro (10.5-inch), iPad Pro (10.5-inch) Wi-Fi + Cellular, iPad Pro (11-inch), iPad Pro (11-inch) Wi-Fi + Cellular, iPad Pro 12.9-inch (3rd generation), iPad Pro 12.9-inch (3rd generation) Wi-Fi + Cellular, iPad Air, iPad Air (Cellular), iPad Air 2, iPad Air 2 (Cellular), iPad Air (3rd generation), iPad Air (3rd generation) Wi-Fi + Cellular, iPad mini Retina, iPad mini Retina (Cellular), iPad mini 3, iPad mini 3 (Cellular), iPad mini 4, iPad mini 4 (Cellular), iPad mini (5th Generation), iPad mini (5th Generation) Wi-Fi + Cellular, iPad (7th generation) Wi-Fi + Cellular, iPad Pro 11-inch (2nd generation), iPad Pro 11-inch (2nd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (4th generation), iPad Pro 12.9-inch (4th generation) Wi-Fi + Cellular, iPad Air (4th Generation) (Wi-Fi), iPad Air (4th Generation) (Wi-Fi + Cellular), iPad (8th generation) Wi-Fi, iPad (8th generation) Wi-Fi + Cellular, iPad Pro 11-inch (3rd generation), iPad Pro 11-inch (3rd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (5th Generation), iPad Pro 12.9-inch (5th Generation) Wi-Fi + Cellular, iPad (9th Generation), iPad (9th Generation) Wi-Fi + Cellular, iPad mini (6th Generation), iPad mini (6th Generation) Wi-Fi + Cellular, iPad Air (5th generation), iPad Air (5th generation) Wi-Fi + Cellular, iPad Pro 11-inch (4th generation), iPad Pro 11-inch (4th generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (6th generation), iPad Pro 12.9-inch (6th generation) Wi-Fi + Cellular, iPad (10th generation), iPad (10th generation) Wi-Fi + Cellular, iPad Air 11-inch (M2) Wi-Fi, iPad Air 13-inch (M2) Wi-Fi, iPad Air 13-inch (M2) Wi-Fi + Cellular, iPad Pro 11-inch (M4) Wi-Fi, iPad Pro 11-inch (M4) Wi-Fi + Cellular, iPad Pro 13-inch (M4) Wi-Fi, iPad Pro 13-inch (M4) Wi-Fi + Cellular, iPad mini (A17 Pro) Wi-Fi, iPad mini (A17 Pro) Wi-Fi + Cellular, iPad (A16) Wi-Fi, iPad (A16) Wi-Fi + Cellular, iPad Air 11-inch (M3) Wi-Fi, iPad Air 11-inch (M3) Wi-Fi + Cellular, iPad Air 13-inch (M3) Wi-Fi, iPad Air 13-inch (M3) Wi-Fi + Cellular, iPad Pro 11-inch (M5) Wi-Fi, iPad Pro 11-inch (M5) Wi-Fi + Cellular, iPad Pro 13-inch (M5) Wi-Fi, iPad Pro 13-inch (M5) Wi-Fi + Cellular, iPad Air11M4, iPad Air11M4Cellular, iPad Air13M4, iPad Air13M4Cellular, iPod touch (6th Generation), iPod touch (7th generation)
Languages
English
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