HabiBubble

DE flagBielefeld

Germany · 238K

Lifestyle Calendar

When this city supports your activity — and when it fights you.

Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan: 0% viability
0
Feb: 0% viability
0
Mar: 6% viability
6
Apr: 30% viability
30
May: 61% viability
61
Jun: 84% viability
84
Jul: 78% viability
78
Aug: 78% viability
78
Sep: 68% viability
68
Oct: 19% viability
19
Nov: 0% viability
0
Dec: 0% viability
0
Friction Breakdown
Best months: Jun–AugChallenging: Jan–Apr, Oct–Dec
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●

Air Quality Profile

Annual and monthly PM2.5 levels against WHO guidelines.

Annual Average
GoodWHO annual classification
8.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
1111 µg/m³ — Fair
7.87.8 µg/m³ — Good
9.49.4 µg/m³ — Good
9.49.4 µg/m³ — Good
7.47.4 µg/m³ — Good
7.77.7 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.07.0 µg/m³ — Good
8.08.0 µg/m³ — Good
8.68.6 µg/m³ — Good
7.07.0 µg/m³ — Good
9.29.2 µg/m³ — Good
1111 µg/m³ — Fair
Best months: May, Jul, OctWorst months: Jan, Apr, Dec
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●

Sun & UV Profile

Monthly sunshine, sky clarity, and UV exposure patterns.

Annual Summary
Sunshine
1,616hrs/yr
Clear sky
32%
Worst month
0.4hrs/day
Vit D months
4.2months
UV 8+ days
0days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
1.01.0 hrs — Dark
4.34.3 hrs — Moderate
7.07.0 hrs — Good
9.09.0 hrs — Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1010 hrs — Very Sunny
9.69.6 hrs — Sunny
8.28.2 hrs — Sunny
5.65.6 hrs — Moderate
3.63.6 hrs — Low
0.00.0 hrs — No Sun
Best months: May–JulWorst months: Jan, Nov–Dec
No SunDarkLowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●