# Top Science Websites in Canada
The top 10 most visited science websites in Canada by Ahrefs organic search traffic estimates. Updated monthly.
September 2025
| Rank | Website | Search traffic | ||
|---|---|---|---|---|
| 1 | ↑3 | theweathernetwork.com |
3.1M
+554.7K
|
+554.7K |
| 2 | ↓1 | openai.com |
2.6M
-16.4M
|
-16.4M |
| 3 | weather.gc.ca |
2.4M
-218.3K
|
-218.3K | |
| 4 | ↓2 | meteomedia.com |
2.1M
-699K
|
-699K |
| 5 | hydroquebec.com |
1M
-307.5K
|
-307.5K | |
| 6 | accuweather.com |
685K
-114.6K
|
-114.6K | |
| 7 | ↑1 | stm.info |
626.6K
+43K
|
+43K |
| 8 | ↑4 | noaa.gov |
577.6K
+232.2K
|
+232.2K |
| 9 | nasa.gov |
540.6K
+39.3K
|
+39.3K | |
| 10 | sciencedirect.com |
417.4K
+48.2K
|
+48.2K |
## Top Trending Websites
Websites that changed positions within the top 100 rankings in September 2025.