EPA AIRNow
United States Environmental Protection Agency (USEPA) · Weather · Free
US Top Free rank
#95
2026-07-18
Best rank seen
#1
all storefronts · 180d
Days charted
46
of the last 180
About EPA AIRNow
US rating
3.15 ★
564 ratings · v4.6.1
- Developer
- Environmental Protection Agency
- Category
- Weather
- Price
- Free
- Version
- v4.6.1
- Published
- Oct 6, 2011
- Last updated
- Jun 22, 2026
- Size
- 39.9 MB
- Requires
- iOS 15.1+
- Age rating
- 12+
- Languages
- 1
What's new in v4.6.1
- Added new notification for when a state has active wildfires - Updated some text - Added AQI value to map markers - Improved interactions between different screens
Where it charts · 2026-08-04
| Storefront | Chart | Category | Rank |
|---|---|---|---|
| US | Top Free | Weather | #6 |
Ratings by storefront
| Storefront | Rating | Ratings | New / day |
|---|---|---|---|
| US | 3.15 ★ | 564 | +1 |
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