CN flagSiwei

China · 17K

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: 15% viability
15
Apr: 51% viability
51
May: 86% viability
86
Jun: 90% viability
90
Jul: 77% viability
77
Aug: 79% viability
79
Sep: 86% viability
86
Oct: 37% viability
37
Nov: 4% viability
4
Dec: 0% viability
0
Friction Breakdown
Best months: May–SepChallenging: Jan–Mar, 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
UnhealthyWHO annual classification
42.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
6060 µg/m³ — Very Unhealthy
6262 µg/m³ — Very Unhealthy
5151 µg/m³ — Very Unhealthy
4040 µg/m³ — Unhealthy
3333 µg/m³ — Poor
3434 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2828 µg/m³ — Poor
3333 µg/m³ — Poor
2727 µg/m³ — Poor
4141 µg/m³ — Unhealthy
5050 µg/m³ — Very Unhealthy
4848 µg/m³ — Unhealthy
Best months: May, Jul, SepWorst months: Jan–Mar
Poor25–35 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.

Annual Summary
Sunshine
2,438hrs/yr
Clear sky
56%
Worst month
5.9hrs/day
Vit D months
6.9months
UV 8+ days
17days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
8.08.0 hrsGood
8.68.6 hrsSunny
9.99.9 hrsSunny
1010 hrsVery Sunny
1111 hrsVery Sunny
1111 hrsVery Sunny
Jul
Aug
Sep
Oct
Nov
Dec
9.39.3 hrsSunny
9.79.7 hrsSunny
8.78.7 hrsSunny
8.98.9 hrsSunny
7.67.6 hrsGood
8.08.0 hrsGood
Best months: Apr–JunWorst months: Jan, Nov–Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●