SmogRank / Mexico / Jalisco

Air quality in Guadalajara

Jalisco, Mexico. PM2.5 from 3 reference monitors, updated hourly.

12.0 µg/m³
Moderate

Latest hour (03:00 UTC), 0.8× the WHO 24-hour guideline.

Rank

24 h
–
not enough data
7 days
#203
of 2,341 · 17.1 µg/m³
30 days
#196
of 2,337 · 17.8 µg/m³
Year
#222
of 2,166 · 20.4 µg/m³

Why it ranks here

Seasonal. Over the past year its worst months were January, November, December, averaging up to 37.4 µg/m³ against 13.1 in its cleanest month. Seasonal peaks usually come from heating, crop burning, fire or dust seasons.

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

Last 4 days, hour by hour

15302026-10-01 00:00 UTC: 7.1 µg/m³2026-10-01 01:00 UTC: 5.1 µg/m³2026-10-01 02:00 UTC: 11.6 µg/m³2026-10-01 03:00 UTC: 12.0 µg/m³Sep 28Sep 29Sep 30

Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Every day for a year

SepNovDecJanFebMarAprMayJunJulAugSepMonWedFri2025-09-29: no data2025-09-30: no data2025-10-01: no data2025-10-02: no data2025-10-03: no data2025-10-04: no data2025-10-05: no data2025-10-06: no data2025-10-07: no data2025-10-08: no data2025-10-09: no data2025-10-10: no data2025-10-11: no data2025-10-12: no data2025-10-13: no data2025-10-14: no data2025-10-15: no data2025-10-16: no data2025-10-17: no data2025-10-18: no data2025-10-19: no data2025-10-20: no data2025-10-21: no data2025-10-22: no data2025-10-23: no data2025-10-24: 20.5 µg/m³2025-10-25: 21.6 µg/m³2025-10-26: 22.2 µg/m³2025-10-27: 25.6 µg/m³2025-10-28: 29.8 µg/m³2025-10-29: 25.4 µg/m³2025-10-30: 20.2 µg/m³2025-10-31: 22.8 µg/m³2025-11-01: 21.6 µg/m³2025-11-02: 29.1 µg/m³2025-11-03: 30.2 µg/m³2025-11-04: 31.6 µg/m³2025-11-05: 44.0 µg/m³2025-11-06: 47.1 µg/m³2025-11-07: 40.8 µg/m³2025-11-08: 37.0 µg/m³2025-11-09: 37.0 µg/m³2025-11-10: 14.7 µg/m³2025-11-11: 21.5 µg/m³2025-11-12: 36.5 µg/m³2025-11-13: 41.6 µg/m³2025-11-14: 43.7 µg/m³2025-11-15: 48.7 µg/m³2025-11-16: 26.1 µg/m³2025-11-17: 17.0 µg/m³2025-11-18: 33.0 µg/m³2025-11-19: 29.3 µg/m³2025-11-20: 39.8 µg/m³2025-11-21: 39.8 µg/m³2025-11-22: no data2025-11-23: no data2025-11-24: no data2025-11-25: 38.8 µg/m³2025-11-26: 40.3 µg/m³2025-11-27: 30.0 µg/m³2025-11-28: 19.0 µg/m³2025-11-29: 51.9 µg/m³2025-11-30: 31.3 µg/m³2025-12-01: 38.6 µg/m³2025-12-02: 26.5 µg/m³2025-12-03: 31.1 µg/m³2025-12-04: 41.8 µg/m³2025-12-05: 30.5 µg/m³2025-12-06: 14.0 µg/m³2025-12-07: 20.9 µg/m³2025-12-08: 29.2 µg/m³2025-12-09: 18.4 µg/m³2025-12-10: 34.4 µg/m³2025-12-11: 39.0 µg/m³2025-12-12: 34.6 µg/m³2025-12-13: 40.0 µg/m³2025-12-14: 49.3 µg/m³2025-12-15: 20.5 µg/m³2025-12-16: 32.0 µg/m³2025-12-17: 30.6 µg/m³2025-12-18: 56.2 µg/m³2025-12-19: 72.4 µg/m³2025-12-20: 68.5 µg/m³2025-12-21: 82.7 µg/m³2025-12-22: 27.5 µg/m³2025-12-23: 19.1 µg/m³2025-12-24: 30.6 µg/m³2025-12-25: 102.0 µg/m³2025-12-26: 27.7 µg/m³2025-12-27: 36.0 µg/m³2025-12-28: 36.8 µg/m³2025-12-29: 26.5 µg/m³2025-12-30: 18.8 µg/m³2025-12-31: 23.0 µg/m³2026-01-01: 175.0 µg/m³2026-01-02: 43.0 µg/m³2026-01-03: 35.7 µg/m³2026-01-04: 39.4 µg/m³2026-01-05: 30.5 µg/m³2026-01-06: 33.8 µg/m³2026-01-07: 59.8 µg/m³2026-01-08: 26.8 µg/m³2026-01-09: 29.5 µg/m³2026-01-10: 47.0 µg/m³2026-01-11: 15.8 µg/m³2026-01-12: 16.7 µg/m³2026-01-13: 47.7 µg/m³2026-01-14: 47.0 µg/m³2026-01-15: 23.8 µg/m³2026-01-16: 57.3 µg/m³2026-01-17: 20.3 µg/m³2026-01-18: 19.2 µg/m³2026-01-19: 18.0 µg/m³2026-01-20: 14.6 µg/m³2026-01-21: 18.2 µg/m³2026-01-22: 26.5 µg/m³2026-01-23: 31.7 µg/m³2026-01-24: 40.8 µg/m³2026-01-25: 9.4 µg/m³2026-01-26: 26.6 µg/m³2026-01-27: 22.8 µg/m³2026-01-28: 17.3 µg/m³2026-01-29: 24.6 µg/m³2026-01-30: 22.5 µg/m³2026-01-31: 16.2 µg/m³2026-02-01: 31.6 µg/m³2026-02-02: 22.1 µg/m³2026-02-03: 24.0 µg/m³2026-02-04: 24.1 µg/m³2026-02-05: 21.0 µg/m³2026-02-06: 28.6 µg/m³2026-02-07: 41.3 µg/m³2026-02-08: 35.8 µg/m³2026-02-09: 34.9 µg/m³2026-02-10: 24.8 µg/m³2026-02-11: 21.2 µg/m³2026-02-12: 23.9 µg/m³2026-02-13: 21.0 µg/m³2026-02-14: 16.0 µg/m³2026-02-15: 19.2 µg/m³2026-02-16: 23.2 µg/m³2026-02-17: 20.0 µg/m³2026-02-18: 21.6 µg/m³2026-02-19: 19.1 µg/m³2026-02-20: 17.7 µg/m³2026-02-21: 17.1 µg/m³2026-02-22: 22.6 µg/m³2026-02-23: 13.2 µg/m³2026-02-24: 28.0 µg/m³2026-02-25: 25.5 µg/m³2026-02-26: 16.8 µg/m³2026-02-27: 19.4 µg/m³2026-02-28: 27.3 µg/m³2026-03-01: 21.3 µg/m³2026-03-02: 26.7 µg/m³2026-03-03: 19.7 µg/m³2026-03-04: 20.1 µg/m³2026-03-05: 14.5 µg/m³2026-03-06: 17.4 µg/m³2026-03-07: 20.4 µg/m³2026-03-08: 21.1 µg/m³2026-03-09: 20.3 µg/m³2026-03-10: 20.7 µg/m³2026-03-11: 16.7 µg/m³2026-03-12: 23.8 µg/m³2026-03-13: 27.1 µg/m³2026-03-14: 23.8 µg/m³2026-03-15: 12.0 µg/m³2026-03-16: 24.1 µg/m³2026-03-17: 27.1 µg/m³2026-03-18: 19.8 µg/m³2026-03-19: 21.9 µg/m³2026-03-20: 19.3 µg/m³2026-03-21: 15.7 µg/m³2026-03-22: 29.1 µg/m³2026-03-23: 36.4 µg/m³2026-03-24: 20.0 µg/m³2026-03-25: 25.3 µg/m³2026-03-26: 21.5 µg/m³2026-03-27: 13.7 µg/m³2026-03-28: 14.6 µg/m³2026-03-29: 13.8 µg/m³2026-03-30: 14.2 µg/m³2026-03-31: 13.7 µg/m³2026-04-01: 14.5 µg/m³2026-04-02: 13.9 µg/m³2026-04-03: 12.0 µg/m³2026-04-04: 11.1 µg/m³2026-04-05: 13.8 µg/m³2026-04-06: 17.9 µg/m³2026-04-07: 12.0 µg/m³2026-04-08: 9.7 µg/m³2026-04-09: 14.3 µg/m³2026-04-10: 21.2 µg/m³2026-04-11: 25.9 µg/m³2026-04-12: 18.1 µg/m³2026-04-13: 23.9 µg/m³2026-04-14: 31.5 µg/m³2026-04-15: 20.2 µg/m³2026-04-16: 18.6 µg/m³2026-04-17: 20.8 µg/m³2026-04-18: 25.1 µg/m³2026-04-19: 20.9 µg/m³2026-04-20: 21.9 µg/m³2026-04-21: 22.2 µg/m³2026-04-22: 17.3 µg/m³2026-04-23: 16.3 µg/m³2026-04-24: 14.5 µg/m³2026-04-25: 16.2 µg/m³2026-04-26: 18.2 µg/m³2026-04-27: 15.9 µg/m³2026-04-28: 23.4 µg/m³2026-04-29: 17.0 µg/m³2026-04-30: 19.3 µg/m³2026-05-01: 13.6 µg/m³2026-05-02: 15.4 µg/m³2026-05-03: 17.1 µg/m³2026-05-04: 15.7 µg/m³2026-05-05: 14.2 µg/m³2026-05-06: 23.2 µg/m³2026-05-07: 30.6 µg/m³2026-05-08: 32.7 µg/m³2026-05-09: 38.8 µg/m³2026-05-10: 19.6 µg/m³2026-05-11: 29.9 µg/m³2026-05-12: 19.9 µg/m³2026-05-13: 25.9 µg/m³2026-05-14: 20.4 µg/m³2026-05-15: 22.1 µg/m³2026-05-16: 17.9 µg/m³2026-05-17: 11.9 µg/m³2026-05-18: 18.7 µg/m³2026-05-19: 22.1 µg/m³2026-05-20: 23.9 µg/m³2026-05-21: 16.2 µg/m³2026-05-22: 16.1 µg/m³2026-05-23: 15.3 µg/m³2026-05-24: 18.3 µg/m³2026-05-25: 15.5 µg/m³2026-05-26: 11.8 µg/m³2026-05-27: 11.2 µg/m³2026-05-28: 9.2 µg/m³2026-05-29: 15.3 µg/m³2026-05-30: 16.1 µg/m³2026-05-31: 19.4 µg/m³2026-06-01: 13.9 µg/m³2026-06-02: 13.7 µg/m³2026-06-03: 12.5 µg/m³2026-06-04: 12.8 µg/m³2026-06-05: 13.9 µg/m³2026-06-06: 9.9 µg/m³2026-06-07: 13.0 µg/m³2026-06-08: 16.4 µg/m³2026-06-09: 13.4 µg/m³2026-06-10: 9.4 µg/m³2026-06-11: 11.0 µg/m³2026-06-12: 12.4 µg/m³2026-06-13: 16.8 µg/m³2026-06-14: 6.6 µg/m³2026-06-15: 4.8 µg/m³2026-06-16: 8.9 µg/m³2026-06-17: 8.2 µg/m³2026-06-18: 8.2 µg/m³2026-06-19: 15.4 µg/m³2026-06-20: 8.3 µg/m³2026-06-21: 8.7 µg/m³2026-06-22: 11.9 µg/m³2026-06-23: 17.3 µg/m³2026-06-24: 17.8 µg/m³2026-06-25: 17.3 µg/m³2026-06-26: 15.3 µg/m³2026-06-27: 15.6 µg/m³2026-06-28: 22.9 µg/m³2026-06-29: 11.9 µg/m³2026-06-30: 25.8 µg/m³2026-07-01: 17.3 µg/m³2026-07-02: 28.0 µg/m³2026-07-03: no data2026-07-04: no data2026-07-05: no data2026-07-06: 22.1 µg/m³2026-07-07: 18.2 µg/m³2026-07-08: 16.5 µg/m³2026-07-09: 16.7 µg/m³2026-07-10: 15.6 µg/m³2026-07-11: 17.5 µg/m³2026-07-12: 12.7 µg/m³2026-07-13: 13.0 µg/m³2026-07-14: 18.5 µg/m³2026-07-15: 25.1 µg/m³2026-07-16: 19.6 µg/m³2026-07-17: 15.7 µg/m³2026-07-18: 12.7 µg/m³2026-07-19: 14.5 µg/m³2026-07-20: 23.0 µg/m³2026-07-21: 15.9 µg/m³2026-07-22: no data2026-07-23: 22.3 µg/m³2026-07-24: 18.2 µg/m³2026-07-25: 19.6 µg/m³2026-07-26: 14.6 µg/m³2026-07-27: 11.9 µg/m³2026-07-28: 16.8 µg/m³2026-07-29: 13.8 µg/m³2026-07-30: 19.8 µg/m³2026-07-31: 16.3 µg/m³2026-08-01: 11.9 µg/m³2026-08-02: 9.6 µg/m³2026-08-03: 15.5 µg/m³2026-08-04: 29.0 µg/m³2026-08-05: 23.1 µg/m³2026-08-06: 20.0 µg/m³2026-08-07: 14.4 µg/m³2026-08-08: 14.1 µg/m³2026-08-09: 19.7 µg/m³2026-08-10: 15.8 µg/m³2026-08-11: 12.8 µg/m³2026-08-12: 18.0 µg/m³2026-08-13: 18.2 µg/m³2026-08-14: 13.0 µg/m³2026-08-15: 21.3 µg/m³2026-08-16: 14.3 µg/m³2026-08-17: 11.5 µg/m³2026-08-18: 17.5 µg/m³2026-08-19: 24.1 µg/m³2026-08-20: 23.6 µg/m³2026-08-21: 24.7 µg/m³2026-08-22: 21.8 µg/m³2026-08-23: 18.6 µg/m³2026-08-24: 19.9 µg/m³2026-08-25: 16.5 µg/m³2026-08-26: 17.9 µg/m³2026-08-27: 23.1 µg/m³2026-08-28: 23.4 µg/m³2026-08-29: 21.8 µg/m³2026-08-30: 19.0 µg/m³2026-08-31: 19.6 µg/m³2026-09-01: 16.7 µg/m³2026-09-02: 13.3 µg/m³2026-09-03: 16.7 µg/m³2026-09-04: 18.0 µg/m³2026-09-05: 15.2 µg/m³2026-09-06: 18.2 µg/m³2026-09-07: 18.1 µg/m³2026-09-08: 13.3 µg/m³2026-09-09: 18.3 µg/m³2026-09-10: 18.6 µg/m³2026-09-11: 24.0 µg/m³2026-09-12: 16.5 µg/m³2026-09-13: 19.7 µg/m³2026-09-14: 22.6 µg/m³2026-09-15: 20.8 µg/m³2026-09-16: 20.3 µg/m³2026-09-17: 20.9 µg/m³2026-09-18: 14.1 µg/m³2026-09-19: 17.4 µg/m³2026-09-20: 15.1 µg/m³2026-09-21: 19.9 µg/m³2026-09-22: 17.8 µg/m³2026-09-23: 21.0 µg/m³2026-09-24: 14.8 µg/m³2026-09-25: 19.0 µg/m³2026-09-26: 17.4 µg/m³2026-09-27: 15.5 µg/m³2026-09-28: 16.2 µg/m³2026-09-29: 15.6 µg/m³
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

268 of 334 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#1159NovDecJanFebMarAprMayJunJulAugSep

Rank on each day's board (1 = most polluted city that day).

2026 against 2025, month by month

15Jan 2026: 34.1 µg/m³JanFeb 2026: 23.6 µg/m³FebMar 2025: 36.8 µg/m³Mar 2026: 20.5 µg/m³MarApr 2025: 22.9 µg/m³Apr 2026: 18.3 µg/m³AprMay 2025: 21.8 µg/m³May 2026: 19.3 µg/m³MayJun 2025: 14.4 µg/m³Jun 2026: 13.1 µg/m³JunJul 2026: 17.6 µg/m³JulAug 2026: 18.5 µg/m³AugSep 2026: 17.5 µg/m³SepOctNov 2025: 34.1 µg/m³NovDec 2025: 37.4 µg/m³Dec

Faded bars: 2025. A month shows once it has 10 measured days.

Monitors

StationOperatorType
MiravalleMexico SINAICA Terms and ConditionsSinaica MexicoReference
TlaquepaqueMexico SINAICA Terms and ConditionsSinaica MexicoReference
Las ÁguilasMexico SINAICA Terms and ConditionsSinaica MexicoReference

The city's value is the median of its reference monitors each hour; 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.

Other cities in Mexico

San Luis Potosí 31.9Tuxtla 29.4Hacienda Santa Fe 24.4San Salvador Tizatlalli 19.3Ciudad Nezahualcoyotl 18.4Santa Anita 18.2Naucalpan de Juárez 18.0Aguascalientes 17.9Saltillo 17.6Puebla 15.6Parque Industrial Ciudad Mitras 15.3Mexico City 15.1

30-day averages, µg/m³. All of Mexico →

Updated 2026-10-01 04:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.