AI generated post The Air Quality Index (AQI) is a standard way of showing how clean or polluted the air is, and what it means for human h...
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| AI generated post |
The Air Quality Index (AQI) is a standard way of showing how clean or polluted the air is, and what it means for human health. It’s usually based on pollutants like:
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PM2.5 (fine dust, most harmful to lungs)
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PM10 (larger dust particles)
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O₃ (ozone)
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NO₂ (nitrogen dioxide)
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SO₂ (sulfur dioxide)
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CO (carbon monoxide)
🌍 General AQI Health Categories (US EPA / WHO scale)
| AQI Level | Category | Health Implications |
|---|---|---|
| 0~50 | Good ✅ | Air is clean. No risk. |
| 51~100 | Moderate ⚠️ | Acceptable, but sensitive groups (asthma, children, elderly) may feel mild effects. |
| 101~150 | Unhealthy for Sensitive Groups | Sensitive people may experience breathing discomfort, especially outdoors. |
| 151~200 | Unhealthy ❌ | Everyone may start feeling health effects (coughing, throat irritation, shortness of breath). |
| 201~300 | Very Unhealthy 🚫 | Health alert: significant risk for all. Limit outdoor activity. |
| 301~500+ | Hazardous ☠️ | Emergency condition. Entire population at risk of serious health effects. Stay indoors. |
🫁 Health Risks of Pollutants
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PM2.5: Penetrates deep into lungs → asthma, heart disease, reduced lung function.
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Ozone (O₃): Causes chest pain, coughing, worsens asthma.
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NO₂ / SO₂: Irritates airways, increases risk of infections.
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CO: Reduces oxygen in blood → headaches, dizziness, in high levels fatal.
📱 Practical Use
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If AQI > 100 → sensitive groups (kids, elderly, asthma patients) should limit outdoor activity.
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If AQI > 150 → everyone should reduce heavy outdoor exercise.
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If AQI > 200 → stay indoors, use air purifiers/masks (N95 recommended).
You can definitely get CO₂ / air pollution alerts together with weather info on your mobile, but it depends on what level of detail you want and whether you prefer apps, widgets, or system notifications. Here are some good ways:
📱 1. Mobile Apps (Weather + Pollution Together)
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AirVisual (IQAir) – shows live air quality (PM2.5, CO₂, AQI) + weather. You can set alerts if pollution crosses a threshold.
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Plume Labs: Air Report – real-time pollution forecast + weather. Also has health recommendations (e.g., when it’s safe to go outside).
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BreezoMeter – air quality + pollen + weather in one app.
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AccuWeather – weather app that includes air quality levels and alerts.
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Windy – detailed maps for pollution (PM2.5, CO, NO₂, SO₂, O₃) + weather.
🌐 2. Built-in Options
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iOS (Apple Weather app) – includes Air Quality Index (AQI) for many cities. You can also add widgets on your home screen.
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Android (Google Weather & Google Maps) – Google Maps sometimes shows AQI. You can also use Google Assistant (“Hey Google, what’s the air quality today?”).
🔔 3. Alert Systems
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Most air quality apps let you set notifications:
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Example: “Alert me if AQI > 100” or “Notify me when PM2.5 exceeds safe levels.”
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Some regions send government push alerts (e.g., Japan, EU, US EPA, Nepal’s Department of Environment) if pollution is severe.
🛠 4. DIY Method (if you like tinkering)
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Use IFTTT or Tasker to connect air quality APIs (like OpenWeatherMap or AQICN) with your phone’s notifications.
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Example: “If AQI in Hiroshima > 120, send a push alert + show weather.”
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