Sample snapshot — search a route to replace this with your origin, destination, and travel date.
Origin (departure city)
Shijiazhuang
68 Shijiazhuang (石家庄)
Moderate — Air is acceptable, but there may be a moderate health concern for a small number of sensitive people.
For travelers: Most travelers are fine; consider a mask if you are asthmatic, elderly, or traveling with young children on heavy-traffic days.
Main driver today: Fine particles (PM2.5) — Tiny soot and dust from traffic, coal, and industry — the usual driver of smog in Chinese cities.
Supporting readings (what the numbers are)
- Fine particles (PM2.5) drives index 68Tiny soot and dust from traffic, coal, and industry — the usual driver of smog in Chinese cities.
- Coarse dust (PM10) 24Larger particles from roads, construction, and wind-blown dust.
- Ozone (O₃) 25.6Forms on sunny days from other pollutants — can irritate lungs during afternoon outdoor activity.
- Nitrogen dioxide (NO₂) 2.8A traffic-related gas — higher near busy roads and rail approaches.
- Carbon monoxide (CO) 3.7From incomplete fuel burning — usually low outdoors but worth noting in tunnels or heavy traffic.
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Upcoming holidays
Official public holidays in the next ~8 weeks. Run a train search to see how they line up with your travel date.
