How accurate is the weather forecast on AnyWeather?

AnyWeather shows real-time data from trusted weather APIs. Forecasts include hourly outlooks for the next 24 hours and 7-day trends for temperature, precipitation, and conditions—useful for planning, but local conditions can still differ from any forecast.

Can I check weather for multiple cities at once?

Yes. You can compare conditions for up to three cities side by side—helpful for travel or checking on family and friends in different places.

Does AnyWeather show Air Quality Index (AQI)?

Yes. You can view real-time AQI with common pollutants such as PM2.5, PM10, and ozone, plus practical health-oriented context for current air quality.

Is AnyWeather free to use?

Yes. Core forecasts, AQI, maps, and multi-city comparison are free to use, with a focus on a clean experience.

What languages does AnyWeather support?

AnyWeather supports English, Chinese (中文), and Spanish (Español). Use the language control in the header to switch.

The UV Index Guide: More Than Just Sunburn

Sunlight is essential for life, but overexposure to ultraviolet (UV) radiation is a major threat to skin health. The UV Index is a tool to help you plan outdoor activities safely.

UV Index Levels

0-2 (Low): Minimal danger. Wear sunglasses on bright days.
3-5 (Moderate): Moderate risk of harm. Wear sunscreen, a hat, and seek shade during midday.
6-7 (High): High risk of harm. Unix Index Sunburn risk is significant. Protection against skin and eye damage is needed. Reduce time in the sun between 10 a.m. and 4 p.m.
8-10 (Very High): Very high risk. Unprotected skin can burn quickly. Minimize sun exposure.
11+ (Extreme): Extreme risk. Take all precautions because unprotected skin can burn in minutes.

Beyond Sunburn

UV damage isn't just about painful sunburns. UVA rays penetrate deep into the skin, causing premature aging (wrinkles, sagging), while UVB rays are the primary cause of sunburn and skin cancer. Remember, UV rays can be strong even on cloudy days.

Protection Strategy

Sunscreen (SPF 30+) is vital, but physical protection is often better:
1. Wide-brimmed hats
2. UV-blocking sunglasses
3. Protective clothing
4. Seeking shade whenever possible

Go Deeper: Check our UV Safety Action Guide for more tips.

Sunlight is essential for life, but overexposure to ultraviolet (UV) radiation is a major threat to skin health. The UV Index is a tool to help you plan outdoor activities safely.

UV Index Levels

0-2 (Low): Minimal danger. Wear sunglasses on bright days.
3-5 (Moderate): Moderate risk of harm. Wear sunscreen, a hat, and seek shade during midday.
6-7 (High): High risk of harm. Unix Index Sunburn risk is significant. Protection against skin and eye damage is needed. Reduce time in the sun between 10 a.m. and 4 p.m.
8-10 (Very High): Very high risk. Unprotected skin can burn quickly. Minimize sun exposure.
11+ (Extreme): Extreme risk. Take all precautions because unprotected skin can burn in minutes.