In Brazil in general, and also here in Porto Alegre, where I live, it’s important to keep your belongings very close to you at all times, like your phone, bag, and wallet. Stay aware of the area you’re walking in and pay attention to the people around you. If you notice someone watching you too closely, something might happen. It’s safer to walk around if you’re accompanied, not all areas of Porto Alegre are like this, but to be on the safe side, having someone with you is better. Avoid walking alone at night, especially in downtown Porto Alegre. Stick to busier, well-lit areas. During the day, downtown is much better for walking. It’s also usually safer to take an Uber rather than walking at night, for example

As dangerous as most cities are. A lot of local girls walk around after it’s dark but I don’t would not even dare. No going out after 6 pm!! Women in general don’t have much to fear here, most that men will do is to maybe stare or whistle but that is very rare nowadays. Dress any way you like and you’ll be fine

POA is a generally safe big city for brazilian standards if you take proper safety measures. Use uber to move around in the city, don’t walk alone after dark, watch out for your drinks at parties, and stick to the busier areas.