Kanto

HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen Yellow Yellow Red Red Blue Blue
Walking in tall grass or a cave
Cerulean Cave
1F
4%
L40
In the morning
+20%
L39
During the day
+20%
L39
At night
+2%
L39–40
4%
L40
In the morning
+20%
L39
During the day
+20%
L39
At night
+2%
L39–40
Cerulean Cave
1F
10%
L46
10%
L46
Cerulean Cave
2F
20%
L49
20%
L49
Cerulean Cave
2F
In the morning
+10%
L41–42
During the day
+10%
L41–42
Radio off
+10%
L39
In the morning
+10%
L41–42
During the day
+10%
L41–42
Radio off
+10%
L39
Cerulean Cave
B1F
10%
L52
10%
L52
Cerulean Cave
B1F
Radio off
+10%
L45
Radio off
+10%
L45
Mt. Ember
1F, cave behind team rocket
10%
L40–42
10%
L40–42
Mt. Ember
inside
20%
L38–40
20%
L38–40
Rock Tunnel
1F
5%
L14
5%
L14
Victory Road
1F
5%
L44–46
Victory Road
1F
5%
L44–46
Victory Road
1F
4%
L42
4%
L42
Victory Road
2F
5%
L46–48
Victory Road
2F
5%
L39–42
5%
L41
5%
L41
Victory Road
2F
5%
L46–48
Victory Road
3F
5%
L44–46
Victory Road
3F
5%
L44–46
Victory Road
3F
10%
L42–45
5%
L42–45
5%
L42–45

Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Mt. Mortar
Upper Cave
20%
L32
Radio off
+10%
L32
20%
L32
Radio off
+10%
L32
Route 47
inside cave
4%
L22
4%
L22

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Acuity Lakefront
In the morning
+10%
L35
During the day
+10%
L35
Not using PokéRadar
+10%
L36
In the morning
+10%
L35
During the day
+10%
L35
Not using PokéRadar
+10%
L36
Mt. Coronet
2F
10%
L39
10%
L37
10%
L37
Mt. Coronet
3F
10%
L39
10%
L37
10%
L37
Mt. Coronet
4F
10%
L39
10%
L39
10%
L39
Mt. Coronet
5F
10%
L39
10%
L39
10%
L39
Mt. Coronet
6F
10%
L39
10%
L41
10%
L41
Mt. Coronet
7F
10%
L39
10%
L41
10%
L41
Mt. Coronet
B1F
10%
L35
10%
L31
10%
L31
Mt. Coronet
Route 216
10%
L35
10%
L31
10%
L31
Mt. Coronet
blizzard
Not using PokéRadar
+10%
L40
In the morning
+10%
L39
During the day
+10%
L39
Not using PokéRadar
+10%
L40
In the morning
+10%
L39
During the day
+10%
L39
Not using PokéRadar
+10%
L40
Mt. Coronet
cave
10%
L39
10%
L40
10%
L40
Mt. Coronet
snowfall
Not using PokéRadar
+10%
L40
In the morning
+10%
L39
During the day
+10%
L39
Not using PokéRadar
+10%
L40
In the morning
+10%
L39
During the day
+10%
L39
Not using PokéRadar
+10%
L40
Route 210
west, towards Celestic Town
5%
L29
Not using PokéRadar
+1%
L30
No game in slot 2
+4%
L30
Emerald in slot 2
+4%
L30
FireRed in slot 2
+4%
L30
LeafGreen in slot 2
+4%
L30
5%
L26
Not using PokéRadar
+1%
L26
No game in slot 2
+4%
L26
Emerald in slot 2
+4%
L26
FireRed in slot 2
+4%
L26
LeafGreen in slot 2
+4%
L26
5%
L26
Not using PokéRadar
+1%
L26
No game in slot 2
+4%
L26
Emerald in slot 2
+4%
L26
FireRed in slot 2
+4%
L26
LeafGreen in slot 2
+4%
L26
Route 211
east, towards Celestic Town
15%
L29–30
In the morning
+10%
L28
During the day
+10%
L28
Not using PokéRadar
+10%
L27
In the morning
+10%
L28
During the day
+10%
L28
Not using PokéRadar
+10%
L27
Route 216
In the morning
+10%
L33
During the day
+10%
L33
Not using PokéRadar
+10%
L34
In the morning
+10%
L33
During the day
+10%
L33
Not using PokéRadar
+10%
L34
Route 217
In the morning
+10%
L35
During the day
+10%
L35
Not using PokéRadar
+10%
L36
In the morning
+10%
L35
During the day
+10%
L35
Not using PokéRadar
+10%
L36
Route 225
5%
L50
Not during a swarm
+20%
L48
5%
L51
5%
L51
Sea Route 226
5%
L50
Not during a swarm
+20%
L48
Not using PokéRadar
+10%
L53
Not using PokéRadar
+10%
L53
Stark Mountain
entrance
10%
L56
10%
L56
Stark Mountain
inside
10%
L58
10%
L58
Victory Road
1F
25%
L44–46
25%
L44–46
Victory Road
B1F
25%
L44–46
25%
L44–46
Victory Road
inside
25%
L50–52
25%
L50–52
Victory Road
inside B1F
25%
L50–52
25%
L50–52
Victory Road
inside exit
25%
L50–52
25%
L50–52