AirNow: Official US air quality index and forecasts. World Air Quality Index: Real-time air pollution readings from monitoring stations worldwide.
| AirNow | World Air Quality Index | |
|---|---|---|
| Category | Environment & Wildlife Maps | Environment & Wildlife Maps |
| Coverage | United States | Worldwide |
| Updates | Live / real time | Live / real time |
| Data source | EPA and state monitoring networks | Official air monitoring networks |
| Made by | US Environmental Protection Agency | World Air Quality Index project |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Works well on phones | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with AirNow
- Current air quality across the US
- Forecasts
- Health guidance
What you can do with World Air Quality Index
- Real-time station readings
- Station history
- Forecasts
Summary based on public information. Check each map's website for current features and prices.