SmogRank / South Korea / Gyeongsangbuk-do

Air quality in Kunwi

Gyeongsangbuk-do, South Korea. PM2.5 from 1 reference monitor, updated hourly.

5.0µg/m³
Good

Latest hour (05:00 UTC), 0.3× the WHO 24-hour guideline.

Rank, worst first

24 hours–not enough data
7 days#736of 2,603, at 10.2 µg/m³
30 days#20of 2,623, at 123.1 µg/m³
This year#36of 2,447, at 78.5 µg/m³

Why it ranks here

Seasonal. Over the past year its worst months were May, August, September, averaging up to 146.6 µg/m³ against 5.5 in its cleanest month. Seasonal peaks usually come from heating, crop burning, fire or dust seasons.

Based on Kunwi's own measurements; causes are the usual kinds for a pattern like this, not a confirmed source.

The last 12 months, day by day

1102031Nov 2025DecJan 2026FebMarAprMayJunJulAugSepOct2025-11-01: 11.0 µg/m³2025-11-02: 7.2 µg/m³2025-11-03: 9.8 µg/m³2025-11-04: 12.5 µg/m³2025-11-05: 14.4 µg/m³2025-11-06: 16.4 µg/m³2025-11-07: 16.0 µg/m³2025-11-08: 15.6 µg/m³2025-11-09: 18.2 µg/m³2025-11-10: 7.8 µg/m³2025-11-11: 7.2 µg/m³2025-11-12: 11.7 µg/m³2025-11-13: 21.6 µg/m³2025-11-14: 17.7 µg/m³2025-11-15: 14.7 µg/m³2025-11-16: 15.3 µg/m³2025-11-17: 11.3 µg/m³2025-11-18: 10.4 µg/m³2025-11-19: 844.0 µg/m³2025-11-20: 18.5 µg/m³2025-11-21: 9.4 µg/m³2025-11-22: 13.7 µg/m³2025-11-23: 23.6 µg/m³2025-11-24: 22.5 µg/m³2025-11-25: 30.8 µg/m³2025-11-26: 29.5 µg/m³2025-11-27: 852.0 µg/m³2025-11-28: 7.4 µg/m³2025-11-29: 13.9 µg/m³2025-11-30: 18.3 µg/m³2025-12-01: 431.0 µg/m³2025-12-02: 13.0 µg/m³2025-12-03: 6.7 µg/m³2025-12-04: 10.4 µg/m³2025-12-05: 7.9 µg/m³2025-12-06: 12.2 µg/m³2025-12-07: 24.5 µg/m³2025-12-08: 18.0 µg/m³2025-12-09: 11.0 µg/m³2025-12-10: 853.0 µg/m³2025-12-11: 25.8 µg/m³2025-12-12: 10.0 µg/m³2025-12-13: 5.6 µg/m³2025-12-14: 11.8 µg/m³2025-12-15: 16.8 µg/m³2025-12-16: 20.8 µg/m³2025-12-17: 32.2 µg/m³2025-12-18: 28.3 µg/m³2025-12-19: 20.5 µg/m³2025-12-20: 29.4 µg/m³2025-12-21: 7.8 µg/m³2025-12-22: 11.5 µg/m³2025-12-23: 12.9 µg/m³2025-12-24: 12.2 µg/m³2025-12-25: 14.4 µg/m³2025-12-26: 6.0 µg/m³2025-12-27: 12.4 µg/m³2025-12-28: 18.8 µg/m³2025-12-29: 25.6 µg/m³2025-12-30: 28.3 µg/m³2025-12-31: 8.7 µg/m³2026-01-01: 8.2 µg/m³2026-01-02: 8.8 µg/m³2026-01-03: 16.2 µg/m³2026-01-04: 26.5 µg/m³2026-01-05: 12.8 µg/m³2026-01-06: 11.7 µg/m³2026-01-07: 16.3 µg/m³2026-01-08: 7.1 µg/m³2026-01-09: 13.0 µg/m³2026-01-10: 14.7 µg/m³2026-01-11: 7.2 µg/m³2026-01-12: 12.0 µg/m³2026-01-13: 13.3 µg/m³2026-01-14: 6.1 µg/m³2026-01-15: 45.9 µg/m³2026-01-16: 54.9 µg/m³2026-01-17: 33.2 µg/m³2026-01-18: 31.0 µg/m³2026-01-19: 22.0 µg/m³2026-01-20: 8.5 µg/m³2026-01-21: 8.9 µg/m³2026-01-22: 5.5 µg/m³2026-01-23: 20.6 µg/m³2026-01-24: 15.9 µg/m³2026-01-25: 7.3 µg/m³2026-01-26: 9.6 µg/m³2026-01-27: 15.2 µg/m³2026-01-28: 8.8 µg/m³2026-01-29: 12.3 µg/m³2026-01-30: 11.0 µg/m³2026-01-31: 17.8 µg/m³2026-02-01: 24.7 µg/m³2026-02-02: 19.7 µg/m³2026-02-03: 14.6 µg/m³2026-02-04: 37.1 µg/m³2026-02-05: 38.8 µg/m³2026-02-06: 19.7 µg/m³2026-02-07: 8.1 µg/m³2026-02-08: 9.6 µg/m³2026-02-09: 10.8 µg/m³2026-02-10: 18.6 µg/m³2026-02-11: 35.9 µg/m³2026-02-12: 43.8 µg/m³2026-02-13: 44.9 µg/m³2026-02-14: 48.3 µg/m³2026-02-15: 37.0 µg/m³2026-02-16: 13.1 µg/m³2026-02-17: 10.9 µg/m³2026-02-18: 13.3 µg/m³2026-02-19: 11.8 µg/m³2026-02-20: 22.6 µg/m³2026-02-21: 28.7 µg/m³2026-02-22: 22.2 µg/m³2026-02-23: 7.5 µg/m³2026-02-24: 10.8 µg/m³2026-02-25: 11.5 µg/m³2026-02-26: 9.5 µg/m³2026-02-27: 9.0 µg/m³2026-02-28: 10.2 µg/m³2026-03-01: 10.1 µg/m³2026-03-02: 6.2 µg/m³2026-03-03: 3.1 µg/m³2026-03-04: 5.5 µg/m³2026-03-05: 12.7 µg/m³2026-03-06: 17.6 µg/m³2026-03-07: 18.3 µg/m³2026-03-08: 13.0 µg/m³2026-03-09: 20.6 µg/m³2026-03-10: 39.8 µg/m³2026-03-11: 31.4 µg/m³2026-03-12: 21.2 µg/m³2026-03-13: 11.6 µg/m³2026-03-14: 11.5 µg/m³2026-03-15: 29.2 µg/m³2026-03-16: 37.0 µg/m³2026-03-17: 29.0 µg/m³2026-03-18: 21.8 µg/m³2026-03-19: 26.9 µg/m³2026-03-20: 20.7 µg/m³2026-03-21: 27.0 µg/m³2026-03-22: 24.9 µg/m³2026-03-23: 26.5 µg/m³2026-03-24: 56.7 µg/m³2026-03-25: 51.6 µg/m³2026-03-26: 34.2 µg/m³2026-03-27: 40.9 µg/m³2026-03-28: 40.1 µg/m³2026-03-29: 28.4 µg/m³2026-03-30: 28.5 µg/m³2026-03-31: 8.3 µg/m³2026-04-01: 16.5 µg/m³2026-04-02: 20.3 µg/m³2026-04-03: 23.0 µg/m³2026-04-04: 10.7 µg/m³2026-04-05: 13.1 µg/m³2026-04-06: 14.8 µg/m³2026-04-07: 8.2 µg/m³2026-04-08: 11.1 µg/m³2026-04-09: 17.1 µg/m³2026-04-10: 12.7 µg/m³2026-04-11: 17.9 µg/m³2026-04-12: 15.1 µg/m³2026-04-13: 15.7 µg/m³2026-04-14: 15.0 µg/m³2026-04-15: 13.6 µg/m³2026-04-16: 11.8 µg/m³2026-04-17: 12.5 µg/m³2026-04-18: 14.2 µg/m³2026-04-19: 11.6 µg/m³2026-04-20: 11.3 µg/m³2026-04-21: 17.9 µg/m³2026-04-22: 12.2 µg/m³2026-04-23: 10.7 µg/m³2026-04-24: 7.9 µg/m³2026-04-25: 10.8 µg/m³2026-04-26: 12.5 µg/m³2026-04-27: 14.6 µg/m³2026-04-28: 12.8 µg/m³2026-04-29: 13.1 µg/m³2026-04-30: 845.0 µg/m³2026-05-01: 14.0 µg/m³2026-05-02: 18.0 µg/m³2026-05-03: 14.3 µg/m³2026-05-04: 1,260.0 µg/m³2026-05-05: 11.9 µg/m³2026-05-06: 13.3 µg/m³2026-05-07: 16.4 µg/m³2026-05-08: 9.7 µg/m³2026-05-09: 10.0 µg/m³2026-05-10: 11.3 µg/m³2026-05-11: 1,260.0 µg/m³2026-05-12: 12.7 µg/m³2026-05-13: 12.2 µg/m³2026-05-14: 14.6 µg/m³2026-05-15: 14.2 µg/m³2026-05-16: 16.3 µg/m³2026-05-17: 16.0 µg/m³2026-05-18: 19.8 µg/m³2026-05-19: 1,270.0 µg/m³2026-05-20: 10.3 µg/m³2026-05-21: 4.2 µg/m³2026-05-22: 8.0 µg/m³2026-05-23: 8.3 µg/m³2026-05-24: 7.8 µg/m³2026-05-25: 12.8 µg/m³2026-05-26: 431.0 µg/m³2026-05-27: 7.5 µg/m³2026-05-28: 5.9 µg/m³2026-05-29: 14.6 µg/m³2026-05-30: 9.3 µg/m³2026-05-31: 10.2 µg/m³2026-06-01: 848.0 µg/m³2026-06-02: 15.5 µg/m³2026-06-03: 3.2 µg/m³2026-06-04: 8.2 µg/m³2026-06-05: 6.9 µg/m³2026-06-06: 10.0 µg/m³2026-06-07: 6.5 µg/m³2026-06-08: 843.0 µg/m³2026-06-09: 12.4 µg/m³2026-06-10: 13.3 µg/m³2026-06-11: 9.8 µg/m³2026-06-12: 9.7 µg/m³2026-06-13: 10.2 µg/m³2026-06-14: 14.7 µg/m³2026-06-15: 15.0 µg/m³2026-06-16: 10.4 µg/m³2026-06-17: 7.6 µg/m³2026-06-18: no data2026-06-19: 15.7 µg/m³2026-06-20: 4.3 µg/m³2026-06-21: 3.0 µg/m³2026-06-22: 9.2 µg/m³2026-06-23: 1,250.0 µg/m³2026-06-24: 3.4 µg/m³2026-06-25: 2.0 µg/m³2026-06-26: 6.8 µg/m³2026-06-27: 4.7 µg/m³2026-06-28: 7.0 µg/m³2026-06-29: 8.9 µg/m³2026-06-30: 10.2 µg/m³2026-07-01: 12.6 µg/m³2026-07-02: 8.5 µg/m³2026-07-03: 848.0 µg/m³2026-07-04: 16.9 µg/m³2026-07-05: 10.5 µg/m³2026-07-06: 6.5 µg/m³2026-07-07: no data2026-07-08: 5.8 µg/m³2026-07-09: 6.5 µg/m³2026-07-10: 9.1 µg/m³2026-07-11: 9.3 µg/m³2026-07-12: 9.0 µg/m³2026-07-13: 424.0 µg/m³2026-07-14: no data2026-07-15: no data2026-07-16: 15.6 µg/m³2026-07-17: 16.3 µg/m³2026-07-18: 847.0 µg/m³2026-07-19: 8.6 µg/m³2026-07-20: 9.5 µg/m³2026-07-21: 9.5 µg/m³2026-07-22: 10.6 µg/m³2026-07-23: 843.0 µg/m³2026-07-24: 10.7 µg/m³2026-07-25: 9.3 µg/m³2026-07-26: 5.5 µg/m³2026-07-27: 5.5 µg/m³2026-07-28: 10.3 µg/m³2026-07-29: 9.5 µg/m³2026-07-30: 9.0 µg/m³2026-07-31: 9.9 µg/m³2026-08-01: 13.5 µg/m³2026-08-02: 16.7 µg/m³2026-08-03: 1,260.0 µg/m³2026-08-04: 8.9 µg/m³2026-08-05: 5.5 µg/m³2026-08-06: 4.5 µg/m³2026-08-07: 5.1 µg/m³2026-08-08: 4.3 µg/m³2026-08-09: 3.7 µg/m³2026-08-10: 837.0 µg/m³2026-08-11: 4.5 µg/m³2026-08-12: 3.3 µg/m³2026-08-13: 4.0 µg/m³2026-08-14: 5.7 µg/m³2026-08-15: no data2026-08-16: no data2026-08-17: no data2026-08-18: no data2026-08-19: 12.1 µg/m³2026-08-20: 11.8 µg/m³2026-08-21: 13.9 µg/m³2026-08-22: 12.3 µg/m³2026-08-23: 10.9 µg/m³2026-08-24: 19.0 µg/m³2026-08-25: 844.0 µg/m³2026-08-26: no data2026-08-27: 13.7 µg/m³2026-08-28: 6.8 µg/m³2026-08-29: 6.0 µg/m³2026-08-30: 6.1 µg/m³2026-08-31: 6.3 µg/m³2026-09-01: 6.3 µg/m³2026-09-02: no data2026-09-03: 6.8 µg/m³2026-09-04: 5.4 µg/m³2026-09-05: 4.8 µg/m³2026-09-06: 6.8 µg/m³2026-09-07: 10.0 µg/m³2026-09-08: 6.9 µg/m³2026-09-09: 1,250.0 µg/m³2026-09-10: 4.7 µg/m³2026-09-11: 6.0 µg/m³2026-09-12: 7.8 µg/m³2026-09-13: 8.7 µg/m³2026-09-14: 15.9 µg/m³2026-09-15: 844.0 µg/m³2026-09-16: 7.0 µg/m³2026-09-17: 5.4 µg/m³2026-09-18: 8.1 µg/m³2026-09-19: 7.2 µg/m³2026-09-20: 6.9 µg/m³2026-09-21: 1,260.0 µg/m³2026-09-22: 7.5 µg/m³2026-09-23: 6.8 µg/m³2026-09-24: 12.8 µg/m³2026-09-25: 13.7 µg/m³2026-09-26: 9.5 µg/m³2026-09-27: 9.3 µg/m³2026-09-28: 12.5 µg/m³2026-09-29: 9.3 µg/m³2026-09-30: 8.8 µg/m³2026-10-01: 8.1 µg/m³
116 of 355 measured days were over the WHO 24-hour guideline (15 µg/m³). One row per month, one square per local day.
Good0–5
Fair6–15
Moderate16–50
Poor51–90
Very poor91–140
Extremely poor141+

The European Environment Agency's air quality index bands for PM2.5 (2024 revision); it has bands, not numbers, so values stay in µg/m³. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Last 4 days, hour by hour

15302026-10-02 00:00 UTC: 4.0 µg/m³2026-10-02 01:00 UTC: 5.0 µg/m³2026-10-02 02:00 UTC: 7.0 µg/m³2026-10-02 03:00 UTC: 6.0 µg/m³2026-10-02 04:00 UTC: 7.0 µg/m³2026-10-02 05:00 UTC: 5.0 µg/m³Sep 29Sep 30Oct 1Oct 2
Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Where it stood each day

Top 10Top 100#1#10#100#1,000#2,835NovDecJanFebMarAprMayJunJulAugSep#989
Its rank on each day's world board, #1 being the most polluted city that day. The scale is logarithmic: each step down is ten times as many cities. See it among every city.

2026 against 2025, month by month

15Jan 2025: 21.0 µg/m³Jan 2026: 16.2 µg/m³JanFeb 2025: 14.7 µg/m³Feb 2026: 21.2 µg/m³FebMar 2025: 18.0 µg/m³Mar 2026: 24.3 µg/m³MarApr 2025: 15.3 µg/m³Apr 2026: 41.5 µg/m³AprMay 2025: 13.1 µg/m³May 2026: 146.6 µg/m³MayJun 2025: 13.0 µg/m³Jun 2026: 109.3 µg/m³JunJul 2025: 8.6 µg/m³Jul 2026: 114.2 µg/m³JulAug 2025: 8.4 µg/m³Aug 2026: 120.8 µg/m³AugSep 2025: 4.3 µg/m³Sep 2026: 123.1 µg/m³SepOct 2025: 5.6 µg/m³OctNov 2025: 70.7 µg/m³NovDec 2025: 56.4 µg/m³Dec
Faded bars: 2025. A month shows once it has 10 measured days.

This week against past years

This weekThis week: 10.2 µg/m³10.220252025: 6.8 µg/m³6.8
Mean PM2.5 for 25 Sept to 1 Oct in each year. Dashed line: WHO 24-hour guideline.

Monitors

StationOperatorType
군위읍Permission requested (AirKorea, 2026-10-01)Korea Air Ministry of EnvironmentReference

The city's value is the median of its reference monitors each hour, when at least a third of them report (three are always enough); low-cost sensors are listed but not counted when reference monitors exist. Data via OpenAQ; licences as listed. How we rank. Embed this on your site.

Use this page

SmogRank, PM2.5 daily means, Kunwi, South Korea, 2 Oct 2025 – 1 Oct 2026, smogrank.com/kr/kunwi (accessed 2 Oct 2026).

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Other cities in South Korea

30-day averages, µg/m³. All of South Korea.

Updated 2026-10-02 06:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors in µg/m³.