Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Number of days with no data for each studied AQMS.
| AQMS | CO | O3 | NO2 | NO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| Tietê∗ | 2 | 0∗ | 0 | 0 | 1 | 2 |
| D. Pedro II | 4 | 1 | 0 | 0 | 0 | 10 |
Note: AQMS: Air Quality Monitoring Station; Tietê: ring road; D. Pedro II: downtown; ∗ Tietê station has no O3 data and was replaced by data from USP-Ipen station.
