AQI America Embassy vs ZephAir
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AQI America Embassy
This app provides real-time Air Quality Index (AQI) and PM 2.5 data specifically for US Embassies in major Chinese cities. It offers a straightforward way to monitor air quality in Beijing, Chengdu, Guangzhou, Shanghai, and Shenyang.
- AQI data
- PM 2.5 readings
- US Embassy locations
- Beijing air quality
- Shanghai air quality
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Simple app to check AQI and PM 2.5 data in US Embassy in Beijing, Chengdu, Guangzhou, Shanghai, Shenyang
ZephAir
Access real-time, reference-grade air quality data from over 70 global locations. Get personalized alerts, health recommendations based on the EPA Air Quality Index, and view historical air quality trends for the past week.
- Real-time global air quality data
- Preferred location selection
- Push notifications for updates
- EPA Air Quality Index health recommendations
- 24-hour and weekly historical data
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Reliable, trustworthy, real-time air quality data. ZephAir gives you reference-grade air quality information from more than 70 locations around the world. The data is collected by the U.S. Department of State and other government partners. ZephAir features non-U.S. locations and Washington, D.C. only. App features include: 1. Preferred Location(s). Select the location(s) that matter to you, so that the app opens right to the data you need most. 2. Push Notifications. Get the latest information with notifications for your preferred location(s). 3. Health Information. See recommendations on how to protect your health using the Environmental Protection Agency Air Quality Index. 4. Historical Data. See air quality data trends for the last 24 hours and last week. New data is being added consistently, so if your city is not listed, check back soon.
Screenshots
Verdict
The clearest difference is in-app purchases: ZephAir at none against AQI America Embassy's 1. ZephAir also leads on ads (none vs shown). AQI America Embassy's advantage is update cadence (every 10 days vs every 3 months) and review sentiment (33% vs 25%). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. AQI America Embassy sells 1 one-off in-app purchase. ZephAir asks for nothing beyond the download.
AQI America Embassy ships an update every 10 days, ZephAir every 3 months. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.
| Parameter | AQI America Embassy | ZephAir |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (24 ratings) — better |
| Positive reviews | 33.3% of reviews — better | 25.0% of reviews |
| Number of ratings | — | 24 — better |
| Update frequency | Every 10 days — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 27 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Lionscope OÜ | US Department of State |
Customer experience
AQI America Embassy
ZephAir
In-app purchases
AQI America Embassy
- Ads free$0.99
ZephAir
No in-app purchases







