SmogRank / Countries / India / Assam

Most polluted cities in Assam, India

4 measured cities ranked by PM2.5, last 7 days. Worst: Nagaon at 38.4 µg/m³, #42 in the world.

#City µg/m³
1Nagaon Assam
38.4
2Nalbāri Assam
29.6
3Silchar Assam
21.2
4Guwahati Assam
7.6
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

Estimated: cities without a monitor

Assam cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.

City7-day estimateBand
Dibrugarh estimated≈ 19 µg/m³Moderate
Jorhat estimated≈ 28 µg/m³Moderate
Tinsukia estimated≈ 37 µg/m³Unhealthy for sensitive groups
Tezpur estimated≈ 28 µg/m³Moderate
Bongaigaon estimated≈ 34 µg/m³Moderate
Dhubri estimated≈ 33 µg/m³Moderate
Diphu estimated≈ 13 µg/m³Moderate
North Lakhimpur estimated≈ 18 µg/m³Moderate
Karīmganj estimated≈ 26 µg/m³Moderate
Goālpāra estimated≈ 20 µg/m³Moderate
Barpeta estimated≈ 40 µg/m³Unhealthy for sensitive groups
Hāflong estimated≈ 11 µg/m³Moderate
Golāghāt estimated≈ 19 µg/m³Moderate
Bilāsipāra estimated≈ 36 µg/m³Unhealthy for sensitive groups
Hojāi estimated≈ 21 µg/m³Moderate
Lanka estimated≈ 21 µg/m³Moderate
Barpeta Road estimated≈ 39 µg/m³Unhealthy for sensitive groups
Kokrajhar estimated≈ 37 µg/m³Unhealthy for sensitive groups
Hailākāndi estimated≈ 26 µg/m³Moderate
Lumding Railway Colony estimated≈ 11 µg/m³Moderate
Morigaon estimated≈ 35 µg/m³Moderate
Duliajan estimated≈ 27 µg/m³Moderate
Duliajan Oil Town estimated≈ 27 µg/m³Moderate
Rangia estimated≈ 35 µg/m³Moderate
Margherita estimated≈ 8 µg/m³Good
Mangaldai estimated≈ 35 µg/m³Moderate
Silapathar estimated≈ 19 µg/m³Moderate
Gauripur estimated≈ 33 µg/m³Moderate
Mariāni estimated≈ 28 µg/m³Moderate
Digboi estimated≈ 8 µg/m³Good
Dum Duma estimated≈ 23 µg/m³Moderate
Dhekiajuli estimated≈ 27 µg/m³Moderate
Dhing estimated≈ 33 µg/m³Moderate
Chāpar estimated≈ 35 µg/m³Moderate
Dergaon estimated≈ 22 µg/m³Moderate
Bokajān estimated≈ 13 µg/m³Moderate
Sonāri estimated≈ 27 µg/m³Moderate
Biswanath Chariali estimated≈ 22 µg/m³Moderate
Nahorkatiya estimated≈ 27 µg/m³Moderate
Rangāpāra estimated≈ 28 µg/m³Moderate

Updated 2026-10-01 12:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.