diff --git a/app/controllers/arts_controller.rb b/app/controllers/arts_controller.rb
index 6fa9182..6ba90a0 100644
--- a/app/controllers/arts_controller.rb
+++ b/app/controllers/arts_controller.rb
@@ -17,5 +17,10 @@ class ArtsController < ApplicationController
     end
 
     @weather_arts = @weather_arts.page(params[:page]).per(12)
+
+    set_meta_tags(
+      title: t("meta.arts.index.title"),
+      description: t("meta.arts.index.description")
+    )
   end
 end
diff --git a/app/controllers/cities_controller.rb b/app/controllers/cities_controller.rb
index b49372c..3c88b24 100644
--- a/app/controllers/cities_controller.rb
+++ b/app/controllers/cities_controller.rb
@@ -46,6 +46,12 @@ class CitiesController < ApplicationController
         )
       }
     end
+
+    set_meta_tags(
+      title: t("meta.cities.index.title"),
+      description: t("meta.cities.index.description"),
+      keywords: t("meta.cities.index.keywords")
+    )
   end
 
   def show
@@ -58,9 +64,9 @@ class CitiesController < ApplicationController
     }
 
     set_meta_tags(
-      title: "#{@city.name}, #{@city&.country&.name}",
-      description: "Experience #{@city.name}'s weather through AI-generated art. Daily updates of weather conditions visualized through artificial intelligence.",
-      keywords: "#{@city.name}, #{@city.country.name}, ai, ai web, ai art, ai weather, weather art, AI visualization",
+      title: t("meta.cities.show.title", city_name: @city.name, country_name: @city&.country&.name.to_s),
+      description: t("meta.cities.show.description", city_name: @city.name),
+      keywords: t("meta.cities.show.keywords", city_name: @city.name, country_name: @city.country&.name.to_s),
       og: {
         image: @city.latest_weather_art&.image&.attached? ? url_for(@city.latest_weather_art.image) : nil
       }
diff --git a/app/controllers/home_controller.rb b/app/controllers/home_controller.rb
index 89203e0..8951701 100644
--- a/app/controllers/home_controller.rb
+++ b/app/controllers/home_controller.rb
@@ -5,9 +5,9 @@ class HomeController < ApplicationController
     # @random_arts = WeatherArt.includes(:city, :image_attachment).random(3)
     # @featured_arts = WeatherArt.includes(:city, :image_attachment).order(created_at: :desc).limit(5)
     set_meta_tags(
-      title: "AI-Generated Weather Art",
-      description: "Experience weather through artistic AI visualization. Daily updated weather art for cities worldwide.",
-      keywords: "AI weather art, weather visualization, city weather, artificial intelligence"
+      title: t("meta.home.index.title"),
+      description: t("meta.home.index.description"),
+      keywords: t("meta.home.index.keywords")
     )
   end
 end
diff --git a/app/controllers/weather_arts_controller.rb b/app/controllers/weather_arts_controller.rb
index ed8ab63..3a2df34 100644
--- a/app/controllers/weather_arts_controller.rb
+++ b/app/controllers/weather_arts_controller.rb
@@ -15,10 +15,20 @@ class WeatherArtsController < ApplicationController
       event_type: "city_view"
     }
 
+    formatted_date = @weather_art.weather_date.strftime(t("date.formats.default"))
+
     set_meta_tags(
-      title: "#{@city.name} Weather Art - #{@weather_art.weather_date.strftime('%B %d, %Y')}",
-      description: "#{@city.name}'s weather visualized through AI art. #{@weather_art.description} at #{@weather_art.temperature}°C.",
-      keywords: "#{@city.name}, #{@city.country.name}, ai, ai web, ai art, ai weather, weather art, AI visualization, #{@weather_art.description}",
+      title: t("meta.weather_arts.show.title",
+               city_name: @city.name,
+               date: formatted_date),
+      description: t("meta.weather_arts.show.description",
+                     city_name: @city.name,
+                     description: @weather_art.description,
+                     temperature: @weather_art.temperature),
+      keywords: t("meta.weather_arts.show.keywords",
+                  city_name: @city.name,
+                  country_name: @city.country.name,
+                  description: @weather_art.description),
       og: {
         image: @weather_art.image.attached? ? url_for(@weather_art.image) : nil
       }
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 4884968..0c82573 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -28,24 +28,25 @@ module ApplicationHelper
 
   def default_meta_tags
     {
-      site: "TodayAIWeather",
-      title: "TodayAIWeather",
-      description: "Experience weather through artistic AI visualization. Daily updated weather art for cities worldwide.",
-      keywords: "AI weather art, weather visualization, city weather, artificial intelligence",
+      site: t("site_name", default: "TodayAIWeather"),
+      title: t("meta.default.title", default: "TodayAIWeather"),
+      description: t("meta.default.description", default: "Experience weather through artistic AI visualization. Daily updated weather art for cities worldwide."),
+      keywords: t("meta.default.keywords", default: "AI weather art, weather visualization, city weather, artificial intelligence"),
       separator: "&mdash;".html_safe,
       reverse: true,
       og: {
-        site_name: "TodayAIWeather",
+        site_name: t("site_name", default: "TodayAIWeather"),
         type: "website",
-        keywords: "ai, ai web, ai art, ai weather, weather art, AI visualization, today ai weather",
+        keywords: t("meta.default.og.keywords", default: "ai, ai web, ai art, ai weather, weather art, AI visualization, today ai weather"),
         url: request.original_url
       },
-      alternate: {
-        "en" => url_for(locale: "en"),
-        "zh-CN" => url_for(locale: "zh-CN"),
-        "ja" => url_for(locale: "ja"),
-        "ko" => url_for(locale: "ko")
-      }
+      alternate: available_locales_with_urls
     }
   end
+
+  def available_locales_with_urls
+    I18n.available_locales.each_with_object({}) do |locale, hash|
+      hash[locale.to_s] = url_for(locale: locale)
+    end
+  end
 end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 816304a..a18e201 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -117,3 +117,37 @@ en:
       default: "%Y-%m-%d"
       short: "%b %d"
       long: "%B %d, %Y"
+
+  site_name: "TodayAIWeather"
+  meta:
+    default:
+      title: "TodayAIWeather"
+      description: "Experience weather through artistic AI visualization. Daily updated weather art for cities worldwide."
+      keywords: "AI weather art, weather visualization, city weather, artificial intelligence"
+      og:
+        keywords: "ai, ai web, ai art, ai weather, weather art, AI visualization, today ai weather"
+
+    home:
+      index:
+        title: "AI-Generated Weather Art"
+        description: "Experience weather through artistic AI visualization. Daily updated weather art for cities worldwide."
+        keywords: "AI weather art, weather visualization, city weather, artificial intelligence"
+    arts:
+      index:
+        title: "Arts Directory"
+        description: "Explore our AI-generated weather art"
+    cities:
+      index:
+        title: "Cities Directory - Weather Art"
+        description: "Explore our collection of cities with AI-generated weather art. Filter by region, country or search for specific locations."
+        keywords: "city weather, AI visualization, weather directory, global cities"
+      show:
+        title: "%{city_name}, %{country_name}"
+        description: "Experience %{city_name}'s weather through AI-generated art. Daily updates of weather conditions visualized through artificial intelligence."
+        keywords: "%{city_name}, %{country_name}, ai, ai web, ai art, ai weather, weather art, AI visualization"
+
+    weather_arts:
+      show:
+        title: "%{city_name} Weather Art - %{date}"
+        description: "%{city_name}'s weather visualized through AI art. %{description} at %{temperature}°C."
+        keywords: "%{city_name}, %{country_name}, ai, ai web, ai art, ai weather, weather art, AI visualization, %{description}"