1 - Increase my monthly income ¶
2 - Improve my English ¶
3 - Do 3 physical exercises ion average per week ¶
4 - Lose weight and eat healthy ¶
5 - Travel to some another city inside my country

For 2025, I have some (ambitious) goals.

Judging by your goals, they sound ambitious, like someone who wants to achieve a lot of things for 2025.

1 -. Increase my monthly income .¶
2 -. Improve my English .¶
3 -. Do 3three physical exercises ion average per week .¶
4 -. Lose weight and eat healthy .¶
5 -. Travel to some another city inside my country.

For numbers less than 10, write it out completely.

For 2025, I have some goals.

1 - Increase my monthly income ¶
2 - Improve my English ¶
3 - Do 3 physical exercises in averageExercise three times per week ¶
4 - Lose weight and eat healthy ¶
5 - Travel to some another city inside my country

1 - Increase my monthly income ¶
2 - Improve my English ¶
3 - Do 3 physical exercises ion average per week ¶
4 - Lose weight and eat healthy ¶
5 - Travel to some another city inside my country

1 - Increase my monthly income ¶
2 - Improve my English ¶
3 - Do 3 physical exercises ion average per week ¶
4 - Lose weight and eat healthy ¶
5 - Travel to some another city inside my country

"some other" and "another" are closely related meanings, but can't be combined. "some other" implies it probably doesn't matter which city, while another is more general.

1 - Increase my monthly income ¶
2 - Improve my English ¶
3 - Do 3 physical exercises ion average per week ¶
4 - Lose weight and eat healthy ¶
5 - Travel to some another city inside my country

"on average", not "in average"
"eat healthy" isn't technically correct, but would be commonly used and understood
You could say "travel to some other city" or "travel to another city", but not "travel to some another city"

1 - Increase my monthly income ¶
2 - Improve my English ¶
3 - Do 3 physical exercises ion average per week ¶
4 - Lose weight and eat healthy ¶
5 - Travel to some another city inside my country

For 2025, I have some goals.

The inverse would sound better;
I have some goals for 2025.

1 - Increase my monthly income ¶
2 - Improve my English ¶
3 - Do 3 physical exercises ion average per week ¶
4 - Lose weight and eat healthy ¶
5 - Travel to some another city insidewithin my country