Over the last 108 days with data, the mean daily PM2.5 in Motihari was 33.4 µg/m³ — 6.7 times the WHO annual guideline (5 µg/m³). Over the last 30 days: — µg/m³. From Atmy's archive of daily city means.
Cleanest day of the last year: July 6, 2026, 14.1 µg/m³.
Most polluted day of the last year: August 17, 2026, 62.7 µg/m³.
In Atmy's daily archive, the cleanest month of the last year was July 2026: 23.7 µg/m³ on average.
The most polluted month of the last year was June 2026: 44.5 µg/m³ on average.
Air in cities near Motihari
Daily mean PM2.5 · November 10, 2026 · distance from Motihari
Fresh data for Motihari are insufficient (last update: 20:15 local time, 14:45 UTC). Open the map for the latest readings of individual sensors.
Where do these data come from?
From Atmy sensors and connected public networks (citizen, experimental and government monitors), aggregated by Atmy. Values are approximate; see the methodology.
How often is this page updated?
The summary is rebuilt every 15 minutes from the latest reading of each sensor, each no older than one hour.
Is the air in Motihari polluted?
Over the last 108 days with data, the mean daily PM2.5 in Motihari was 33.4 µg/m³ — 6.7 times the WHO annual guideline (5 µg/m³). Over the last 30 days: — µg/m³. From Atmy's archive of daily city means.
When is the air in Motihari cleanest?
In Atmy's daily archive, the cleanest month of the last year was July 2026: 23.7 µg/m³ on average.
When is the air in Motihari most polluted?
The most polluted month of the last year was June 2026: 44.5 µg/m³ on average.
Data
Where do these data come from?
The daily value is the Data Hub’s: the mean of the city’s sensors that passed the nightly quality check, each with at least 12 valid hours, and only with sensors at four places 500 m apart; days are UTC.
“Now” uses the same sensors and rule: the mean of their latest readings, each at most 60 minutes old, shown only with sensors at four places 500 m apart reporting.