Lanzhou
China · 2.7M
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Lanzhou
China
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 4% viability
4Mar: 20% viability
20Apr: 30% viability
30May: 66% viability
66Jun: 84% viability
84Jul: 83% viability
83Aug: 83% viability
83Sep: 73% viability
73Oct: 19% viability
19Nov: 2% viability
2Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–SepChallenging: 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.
Lanzhou
China
Annual Average
UnhealthyWHO annual classification
36.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5656 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
4141 µg/m³ — Unhealthy
3131 µg/m³ — Poor
2727 µg/m³ — Poor
2525 µg/m³ — Moderate
2323 µg/m³ — Moderate
2323 µg/m³ — Moderate
2323 µg/m³ — Moderate
3434 µg/m³ — Poor
5353 µg/m³ — Very Unhealthy
5454 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
5656 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
4141 µg/m³ — Unhealthy
3131 µg/m³ — Poor
2727 µg/m³ — Poor
2525 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2323 µg/m³ — Moderate
2323 µg/m³ — Moderate
2323 µg/m³ — Moderate
3434 µg/m³ — Poor
5353 µg/m³ — Very Unhealthy
5454 µg/m³ — Very Unhealthy
Best months: Jul–SepWorst months: Jan, Nov–Dec
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Lanzhou
China
Annual Summary
Sunshine
2,492hrs/yr
Clear sky
50%
Worst month
6.0hrs/day
Vit D months
8.4months
UV 8+ days
87days/yr
UV 11+ days
8days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
8.08.0 hrs — Good
8.98.9 hrs — Sunny
9.69.6 hrs — Sunny
9.89.8 hrs — Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
8.68.6 hrs — Sunny
7.77.7 hrs — Good
7.97.9 hrs — Good
7.77.7 hrs — Good
Jan
Feb
Mar
Apr
May
Jun
8.08.0 hrs — Good
8.98.9 hrs — Sunny
9.69.6 hrs — Sunny
9.89.8 hrs — Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1111 hrs — Very Sunny
1010 hrs — Sunny
8.68.6 hrs — Sunny
7.77.7 hrs — Good
7.97.9 hrs — Good
7.77.7 hrs — Good
Best months: May–JulWorst months: Oct–Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●