Brazil AQI Analytics
OpenAQ-derived PM2.5 and PM10 history for 4 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.
Search city analytics
- Cities
- 4
- Locations
- 9
- Daily rows
- 1,141
- Avg EPA AQI
- 49
with OpenAQ history
mapped monitors
2024-01-01 to 2024-12-31
14.2 ug/m3 PM2.5
Current data story
The highest average AQI in this pilot slice is Taboão da Serra, with an EPA AQI average of 56 and PM2.5 around 14.6 ug/m3. Its worst month is September.
Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.
Analytics tools
City AQI Comparison
LiveRank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI.
4 eligible cities
Open toolSeasonal Pollution
LiveFind each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
4 eligible cities
Open toolHealth Impact
LiveTranslate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
3 eligible cities
Open toolCities ranked by average AQI
| City | Avg AQI | PM2.5 | Worst month | Trend | Coverage |
|---|---|---|---|---|---|
| Taboão da Serra Sao Paulo, Brazil | 56 | 14.6 ug/m3 | September | n/a | 309 days · 1 locations |
| Caxias do Sul Rio Grande do Sul, Brazil | 54 | 14.5 ug/m3 | September | n/a | 119 days · 1 locations |
| Rio de Janeiro Rio de Janeiro, Brazil | 52 | 13.5 ug/m3 | September | n/a | 358 days · 5 locations |
| Iguaçu Rio de Janeiro, Brazil | 33 | n/a ug/m3 | September | n/a | 355 days · 2 locations |