CN flagSihu

China · 40K

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: 2% viability
2
Mar: 17% viability
17
Apr: 50% viability
50
May: 87% viability
87
Jun: 89% viability
89
Jul: 77% viability
77
Aug: 82% viability
82
Sep: 89% viability
89
Oct: 54% viability
54
Nov: 14% viability
14
Dec: 0% viability
0
Friction Breakdown
Best months: May–SepChallenging: Jan–Mar, Nov–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
37.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
6262 µg/m³ — Very Unhealthy
4646 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3434 µg/m³ — Poor
2929 µg/m³ — Poor
2727 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2121 µg/m³ — Moderate
2121 µg/m³ — Moderate
2828 µg/m³ — Poor
3636 µg/m³ — Unhealthy
4848 µg/m³ — Unhealthy
5353 µg/m³ — Very Unhealthy
Best months: Jun–AugWorst 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.

Annual Summary
Sunshine
2,140hrs/yr
Clear sky
47%
Worst month
4.4hrs/day
Vit D months
7.2months
UV 8+ days
17days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
6.96.9 hrsGood
8.08.0 hrsGood
9.49.4 hrsSunny
9.99.9 hrsSunny
1111 hrsVery Sunny
1010 hrsVery Sunny
Jul
Aug
Sep
Oct
Nov
Dec
7.97.9 hrsGood
1010 hrsVery Sunny
9.29.2 hrsSunny
8.48.4 hrsSunny
7.47.4 hrsGood
7.77.7 hrsGood
Best months: May–Jun, AugWorst months: Jan, Nov–Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●