Comparison

PM2.5台灣 vs Air Quality Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PM2.5台灣

Stay informed about PM2.5 air quality in Taiwan. Receive custom notifications for high pollution levels and track real-time rankings across different regions.

Highlights
  • Real-time PM2.5 concentration tracking
  • Customizable pollution level notifications
  • Nationwide and regional rankings
  • Alerts for exceeding pollution thresholds
  • Daily time-based reminders
Features
Read full description

知道嗎?台灣的PM2.5污染情況並不如想像中的樂觀,尤其中南部地區出現有紫爆之稱的"非常高濃度(等級10)"更是時有所聞,北部地區的朋友們也不能掉以輕心,處於PM2.5濃度中(等級4)的地區每天相當於把三根煙抽進肚子裡;一起來關心您所在地區的PM2.5濃度,自訂每日時間(ex.出門前)濃度通知,並且在濃度超標時通知您,還有全國即時濃度排行、五都排行、縣市排行,讓您掌握全台空氣最乾淨的與最差的究竟是哪些地方

About

Air Quality Tracker

Features
Read full description

PureAir gives you real-time air quality data so you can protect your health every day. Check the Air Quality Index (AQI), pollen counts, pollution levels, and wildfire smoke alerts — all in one beautiful, easy-to-use app. REAL-TIME AIR QUALITY INDEX (AQI) See your local AQI at a glance with a clear, color-coded display. PureAir pulls data from thousands of monitoring stations worldwide so you always know what you are breathing. POLLUTION MAP & FORECASTS Explore an interactive air pollution map with PM2.5, PM10, ozone, and NO2 readings. View hourly and 7-day forecasts to plan outdoor activities when the air is cleanest. POLLEN & ALLERGY TRACKER Track grass, tree, and weed pollen levels in your area. Get daily allergy forecasts and personalized notifications so hay fever never catches you off guard. WILDFIRE SMOKE ALERTS Receive instant push notifications when wildfire smoke or hazardous air reaches your location. Stay safe during fire season with real-time smoke plume tracking. HEALTH RECOMMENDATIONS Get actionable health advice based on current conditions — know when it is safe to exercise outdoors, when to keep windows closed, and when sensitive groups should stay inside. MULTIPLE LOCATIONS Monitor air quality in multiple cities at once. Perfect for travelers, parents checking school air quality, or anyone with family in different regions. APPLE WATCH & WIDGETS Check AQI right from your wrist or home screen. PureAir widgets give you instant air quality updates without opening the app. CLEAN, MINIMAL DESIGN No clutter, no ads, no data selling. PureAir is designed to give you the information you need in the fastest, most beautiful way possible. Download Breathly today and take control of the air you breathe. Privacy: https://www.cihanakgul.com/airquality-privacy Terms: https://www.cihanakgul.com/airquality-terms

Screenshots

PM2.5台灣4 screens
Air Quality Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: PM2.5台灣 at none against Air Quality Tracker's 4. PM2.5台灣 also leads on iOS requirement (7.0 vs 17.0). Air Quality Tracker's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Air Quality Tracker sells 4 in-app purchases, starting at $3.99 per 7 days. PM2.5台灣 asks for nothing beyond the download.

UpkeepUpdate frequency

PM2.5台灣 ships an update every 2 weeks, Air Quality Tracker every 3 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 5 level
PM2.5台灣 versus Air Quality Tracker: the parameters behind the verdict, then further details
ParameterPM2.5台灣Air Quality Tracker
PriceFreeFree
Positive reviews16.7% of reviews—
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS7.0 — better17.0
Further details — not scored
Size9 MB9 MB
Age rating4+4+
DeveloperYEH TSUNG MINGCIHAN AKGUL

In-app purchases

None

PM2.5台灣

No in-app purchases

4 purchases

Air Quality Tracker

Subscriptions4
  • Weekly$3.997 Days
  • Weekly Trial3 Days trial$3.997 Days
  • Monthly$6.991 Month
Show 1 more
  • Yearly$24.991 Year

Questions

Is PM2.5台灣 free?
PM2.5台灣 is free to download, with no in-app purchases.
Is Air Quality Tracker free?
Air Quality Tracker is free to download, with in-app purchases available.
Do PM2.5台灣 or Air Quality Tracker have ads?
Neither PM2.5台灣 nor Air Quality Tracker shows ads.
Which is updated more often, PM2.5台灣 or Air Quality Tracker?
PM2.5台灣 ships an update every 2 weeks, and Air Quality Tracker every 3 days. Most recently, PM2.5台灣 was updated on November 1, 2026 and Air Quality Tracker on November 5, 2026.

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