Ontario UV Index Today
Updated 28 Apr, 12:19 pm
UV Index today — Ontario
2.5
Low
03681114
No protection needed. You can safely enjoy being outside.
7-day UV forecast
| Day | Date | Max UV | Level |
|---|---|---|---|
| Today | 28 Apr | 2.5 | Low |
| Wed | 29 Apr | 2.5 | Low |
| Thu | 30 Apr | 6.3 | High |
| Fri | 1 May | 4.8 | Moderate |
| Sat | 2 May | 6.1 | High |
| Sun | 3 May | 3.5 | Moderate |
| Mon | 4 May | 2.4 | Low |
Sun protection guide
UV 0–2 (Low): No protection needed.
UV 3–5 (Moderate): Wear sunglasses. Apply SPF 30+ if outdoors for more than 30 minutes.
UV 6–7 (High): Seek shade during midday. Wear hat, sunglasses and SPF 30+ sunscreen.
UV 8–10 (Very High): Minimise sun exposure 10am–4pm. SPF 50+ sunscreen, protective clothing essential.
UV 11+ (Extreme): Avoid sun exposure. Stay indoors or in full shade during peak hours.
Frequently asked questions
What is the UV index in Ontario today?
The UV index in Ontario today is 2.5, which is classified as Low.
Do I need sunscreen in Ontario today?
With a UV index of 2.5 (Low), sunscreen is generally not required in Ontario today.
What time is UV highest in Ontario?
UV radiation in Ontario is typically highest between 10am and 2pm. Check the hourly UV breakdown above for today's peak UV times.