Privacy Policy

Last Updated: March 21, 2026

This Privacy Policy describes how Air Quality App ("we", "our", or "the app") collects, uses, and shares information when you use our mobile application.

1. Information We Collect

1.1 Location Data

Our app collects and uses your device's location data to provide air quality information for your area. This includes:

Precise Location (GPS coordinates): Used to fetch air quality data specific to your location
City, Region, and Country: Obtained through reverse geocoding for display purposes

            Important: Location data is processed locally on your device and is only sent to third-party air quality data providers (Open-Meteo and OpenAQ) to retrieve air quality information. We do not store your location data on our servers.
        

1.2 Automatically Collected Information

We automatically collect certain information when you use the app:

Device Information: Device type, operating system version
App Usage Data: Features used, app crashes, and performance data
Language Preference: Your selected language setting
Theme Preference: Your selected theme (light/dark mode)

1.3 Information We Do NOT Collect

We want to be clear about what we don't collect:

We do not collect personal identification information (name, email, phone number)
We do not collect payment information
We do not collect photos or media files
We do not collect contacts or calendar data
We do not track your location history

2. How We Use Your Information

We use the collected information for the following purposes:

2.1 Core Functionality

Display current air quality index (AQI) for your location
Show detailed pollutant information (PM2.5, PM10, NO2, O3, CO, SO2)
Provide air quality forecasts
Display air quality maps
Provide health recommendations based on air quality levels

2.2 App Improvement

Analyze app performance and fix bugs
Understand which features are most used
Improve user experience

2.3 Personalization

Remember your language preference
Remember your theme preference
Cache your last known location for faster app loading

3. Data Sharing and Third-Party Services

3.1 Air Quality Data Providers

We share your location coordinates with the following third-party services to retrieve air quality data:

Open-Meteo Air Quality API
- Purpose: Retrieve air quality data and forecasts
- Data Shared: GPS coordinates (latitude, longitude)
- Privacy Policy: https://open-meteo.com/en/terms
OpenAQ API
- Purpose: Retrieve air quality data from monitoring stations
- Data Shared: GPS coordinates (latitude, longitude)
- Privacy Policy: https://openaq.org/privacy

3.2 Expo Platform

Our app is built using Expo, which may collect anonymous usage statistics and crash reports to improve the platform. For more information, see Expo's Privacy Policy.

3.3 Advertising

This app uses Appodeal advertising SDK to display ads (interstitial, rewarded video, and banner ads). Appodeal and its mediation partners may collect and process the following data:

Advertising ID (Google Advertising ID) — used to serve personalized ads
Device information — device model, OS version, screen size
IP address — used for approximate location-based ad targeting
Ad interaction data — impressions, clicks, and video completions

Appodeal mediation partners include: AppLovin, Meta Audience Network, Unity Ads, Vungle, InMobi, Mintegral, BidMachine, and Bidon. Each partner has its own privacy policy governing data collection.

For more information, see Appodeal Privacy Policy.

You can opt out of personalized advertising by adjusting your device settings: Settings → Google → Ads → Opt out of Ads Personalization.

4. Data Storage and Security

4.1 Local Storage

The following data is stored locally on your device:

Your last known location (for faster app loading)
Language preference
Theme preference
Cached air quality data (stored for up to 5 minutes)

4.2 Data Security

We implement appropriate technical and organizational measures to protect your data:

All API communications use HTTPS encryption
Location data is processed locally on your device
We do not maintain servers that store user data
Cached data is automatically cleared after expiration

4.3 Data Retention

Since we do not collect or store personal data on our servers, there is no long-term data retention. All data stored locally on your device can be deleted by:

Clearing the app's cache in your device settings
Uninstalling the app

5. Your Rights and Choices

5.1 Location Permissions

You have full control over location access:

You can deny location permissions when first prompted
You can revoke location permissions at any time in your device settings
The app will continue to function with limited features if location is denied
You can manually search for cities instead of using automatic location

5.2 Data Deletion

To delete all locally stored data:

Go to your device Settings
Find Air Quality App in the app list
Select "Clear Data" or "Clear Cache"
Or simply uninstall the app

5.3 Opt-Out Options

You can use the app without granting location permissions
You can disable automatic data refresh in the app settings

6. Children's Privacy

Our app does not knowingly collect personal information from children under 13 years of age. The app is designed for general audiences and does not contain content specifically targeted at children. If you believe we have inadvertently collected information from a child under 13, please contact us immediately.

7. International Data Transfers

Our third-party air quality data providers may be located in different countries. When you use the app, your location coordinates may be transmitted to servers in:

European Union (Open-Meteo)
United States (OpenAQ)

These transfers are necessary to provide you with air quality information. We ensure that our data providers comply with applicable data protection laws.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. When we make changes:

We will update the "Last Updated" date at the top of this policy
We will notify you through the app if changes are material
Continued use of the app after changes constitutes acceptance of the updated policy

9. Legal Basis for Processing (GDPR)

For users in the European Economic Area (EEA), we process your data based on the following legal grounds:

Consent: You provide consent when you grant location permissions
Legitimate Interest: We have a legitimate interest in providing air quality information and improving our app
Contractual Necessity: Processing is necessary to provide the service you requested

10. California Privacy Rights (CCPA)

If you are a California resident, you have the right to:

Know what personal information we collect
Know whether we sell or share personal information (we do not)
Access your personal information
Request deletion of your personal information
Opt-out of the sale of personal information (not applicable as we don't sell data)

11. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

Email: qwertyvlkz@gmail.com

Official Website: https://webmns.com

App Name: Air Quality App

Version: 1.0.7

12. Compliance with Google Play Policies

This app complies with Google Play's User Data policies, including:

Prominent disclosure of data collection and usage
Secure handling of sensitive data
Limited use of location data for core app functionality
No sale of user data to third parties
Transparent disclosure of advertising SDK usage and data collection
User opt-out options for personalized advertising
Compliance with applicable privacy laws