Catalonia Pest Risk Index 2026
Catalonia's coastal cities and inland hill towns face different pest realities. Barcelona's Gothic Quarter drains harbour Oriental cockroaches; the Costa Brava sees seasonal mosquito surges; the inland Empordà has historic-stone scorpion habitat.
Cities ranked
7
Average score
62/100
Very high risk
0
High risk
5
Seasonal pattern
Warm-tier regions have a clear seasonal pattern. Apply gel bait and seal entry points by mid-May, before the June peak. A second treatment in August keeps the late-summer surge in check.
Full Catalonia Ranking
Each city scored 0–20 on temperature, season length, humidity, infrastructure age, and density. Composite score 0–100. Higher = more aggressive prevention needed.
| # | City | Score | Risk |
|---|---|---|---|
| 1 | Barcelona Coastal | 73 | High |
| 2 | Sitges Coastal | 68 | High |
| 3 | Tarragona Coastal | 62 | High |
| 4 | Lloret de Mar Coastal | 61 | High |
| 5 | Castelldefels Coastal | 60 | High |
| 6 | Roses Coastal | 56 | Medium |
| 7 | Girona Inland | 55 | Medium |
National Pest Risk Index
See how Catalonia compares to the other 16 Spanish regions on our full 89-city index.
Free 12-Step Prevention Checklist
The exact system professional pest controllers use — printable, free, no spam.
Frequently Asked Questions
Which city in Catalonia has the worst pest problem?
Barcelona scores 73/100 on our pest risk index — the highest in Catalonia. The dominant pest profile is oriental & german cockroach. 7 Catalonia cities are ranked in our 2026 index.
How is Catalonia different from other Spanish regions for pests?
Catalonia's coastal cities and inland hill towns face different pest realities. Barcelona's Gothic Quarter drains harbour Oriental cockroaches; the Costa Brava sees seasonal mosquito surges; the inland Empordà has historic-stone scorpion habitat.
What is the worst month for pests in Catalonia?
Catalonia's peak pest season is June–September. Prevention measures should be in place by mid-May to catch the early-season build-up.