CN flagKaiyuan

China · 198K

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: 24% viability
24
Feb: 40% viability
40
Mar: 73% viability
73
Apr: 86% viability
86
May: 85% viability
85
Jun: 75% viability
75
Jul: 66% viability
66
Aug: 57% viability
57
Sep: 76% viability
76
Oct: 78% viability
78
Nov: 53% viability
53
Dec: 20% viability
20
Friction Breakdown
Best months: Mar–Jun, Sep–OctChallenging: Jan, 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
ModerateWHO annual classification
24.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
2828 µg/m³ — Poor
2929 µg/m³ — Poor
4242 µg/m³ — Unhealthy
3232 µg/m³ — Poor
2020 µg/m³ — Moderate
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1818 µg/m³ — Moderate
1616 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2424 µg/m³ — Moderate
2727 µg/m³ — Poor
Best months: Jun–AugWorst months: Feb–Apr
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 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
1,993hrs/yr
Clear sky
36%
Worst month
3.5hrs/day
Vit D months
10.9months
UV 8+ days
133days/yr
UV 11+ days
28days/yr
Jan
Feb
Mar
Apr
May
Jun
6.26.2 hrsGood
7.37.3 hrsGood
9.39.3 hrsSunny
1010 hrsVery Sunny
1010 hrsVery Sunny
9.39.3 hrsSunny
Jul
Aug
Sep
Oct
Nov
Dec
9.39.3 hrsSunny
8.28.2 hrsSunny
8.18.1 hrsSunny
7.17.1 hrsGood
7.67.6 hrsGood
6.46.4 hrsGood
Best months: Apr–May, JulWorst months: Jan, Oct, Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●