diff --git a/components/country/Apps.js b/components/country/Apps.js
index 04368d9c6..e5e5bfa79 100644
--- a/components/country/Apps.js
+++ b/components/country/Apps.js
@@ -21,6 +21,7 @@ const ChartsContainer = () => {
     probe_cc: countryCode,
     since,
     until,
+    time_grain: 'day',
   }), [countryCode, since, until])
 
   const queryCircumventionTools = useMemo(() => ({
@@ -28,6 +29,7 @@ const ChartsContainer = () => {
     probe_cc: countryCode,
     since,
     until,
+    time_grain: 'day',
   }), [countryCode, since, until])
 
   return (
diff --git a/components/country/Websites.js b/components/country/Websites.js
index 363618007..a739809cb 100644
--- a/components/country/Websites.js
+++ b/components/country/Websites.js
@@ -19,6 +19,7 @@ const WebsitesSection = ({ countryCode }) => {
     since,
     until,
     test_name: 'web_connectivity',
+    time_grain: 'day',
   }), [countryCode, since, until])
 
   return (
diff --git a/cypress/e2e/mat.e2e.cy.js b/cypress/e2e/mat.e2e.cy.js
index 8c70b82bb..5656a6232 100644
--- a/cypress/e2e/mat.e2e.cy.js
+++ b/cypress/e2e/mat.e2e.cy.js
@@ -20,7 +20,7 @@ describe('MAT Tests', () => {
 
   describe('MAT Basics', () => {
     before(() => {
-      cy.visit('http://localhost:3100/chart/mat?test_name=web_connectivity&since=2022-03-01&until=2022-04-01&axis_x=measurement_start_day')
+      cy.visit('http://localhost:3100/chart/mat?test_name=web_connectivity&since=2022-03-01&until=2022-04-01&axis_x=measurement_start_day&time_grain=day')
     })
 
     it('it loads', () => {
diff --git a/pages/network/[asn].js b/pages/network/[asn].js
index 81fb67c53..4d9697b1d 100644
--- a/pages/network/[asn].js
+++ b/pages/network/[asn].js
@@ -39,6 +39,7 @@ const ChartsContainer = () => {
     since,
     until,
     test_name: 'web_connectivity',
+    time_grain: 'day',
   }), [asn, since, until])
 
   const queryMessagingApps = useMemo(() => ({
@@ -46,6 +47,7 @@ const ChartsContainer = () => {
     asn,
     since,
     until,
+    time_grain: 'day',
   }), [asn, since, until])
 
   const queryCircumventionTools = useMemo(() => ({
@@ -53,6 +55,7 @@ const ChartsContainer = () => {
     asn,
     since,
     until,
+    time_grain: 'day',
   }), [asn, since, until])
 
   return (