Jīnd vs Kolkata: PM2.5 compared
Over the last year, Jīnd's air was about 1.7× as polluted as Kolkata's: PM2.5 averaged 79.6 µg/m³ against 46.4, on the 288 days both cities were measured. Jīnd had the dirtier air on 234 of those days, Kolkata on 52. Jīnd was over the WHO's daily guideline of 15 µg/m³ on 288 of them, Kolkata on 261.
Right now
The last year, day by day
Month by month
Year by year
| Year | Jīnd | Kolkata | Days Jīnd was worse |
|---|---|---|---|
| 2026 so far | 159 | 99 | 190 |
| 2025 | 194 | 168 | 45 |
Means in US AQI over the days both cities were measured that year; a year shows once they share 30 such days.
Each city's worst days
Jīnd
- 21 Oct 2025500+493.0 µg/m³
- 12 Nov 2025350250.0 µg/m³
- 11 Nov 2025336243.0 µg/m³
Kolkata
- 1 Jan 2026216140.5 µg/m³
- 11 Dec 2025212136.5 µg/m³
- 23 Nov 2025208133.0 µg/m³
Daily means in US AQI, with µg/m³ beside them, since the index stops at its top value, over the days both cities were measured in the last year. Each date opens that day's world board.
Compare either city with another
Jīnd
Side by side with Rohtak (the nearest), Gurugram (India's 2nd worst on 30 days), Gujranwala (the world's worst on 30 days).
Kolkata
Side by side with Shrīrāmpur (the nearest), Gujranwala (the world's worst on 30 days).
Use this page
SmogRank, PM2.5 daily means compared, Jīnd and Kolkata, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/in-jind/in-kolkata (accessed 8 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.
Updated 2026-10-08 21:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published (why we use them).