When should I go outside in Nepal?

Hourly air quality and UV · Go Outside Guide

How scores work

Score bands

Great85–100Excellent conditions — go outside
Good70–84Generally good with minor concerns
Fair50–69Acceptable — limit prolonged exposure
Caution30–49Elevated risk — keep outings short
Avoid0–29Poor conditions — stay inside if you can

Activity modes

Each mode weights the three factors differently. Switch modes to see how the score changes for your activity.

Factor General Exercise Sensitive Air quality 40% 45% 55% UV Index 35% 33% 28% Temperature 25% 22% 17%

Exercise mode weights air quality more heavily — you breathe harder, so you're more exposed. Sensitive health mode makes air quality dominant and applies stricter thresholds throughout.

Air quality (US AQI)

0–50Clean air — full score
51–100Moderate — score drops toward 50
101–150Unhealthy for sensitive groups — score drops to 20
151–200Unhealthy — score 0; all modes capped at Caution
200+Very unhealthy to hazardous — avoid outdoor activity

UV Index

0–2 LowFull score — no action needed
3–5 ModerateScore 80–60 — consider sunscreen
6–7 HighScore 60–40 — sunscreen essential
8–10 Very highScore 40–10 — limit midday exposure
11+ ExtremeScore near 0 — all modes capped at Caution

Temperature

Score peaks between 10–25°C. It drops gradually in cold conditions and more steeply above 30°C, reflecting the risk of heat stress.

Find the best time to go outside today

Air quality, UV and weather combined into a single hourly score for your location.

🇳🇵 Cities in Nepal

Kathmandu