SmogRank / Chile / Valparaiso

Air quality in Puchuncaví

Valparaiso, Chile. PM2.5 from 4 reference monitors, updated hourly. Only 3 of them reported in the last 24 hours.

24-hour average70US AQI
Moderate

PM2.5 19.4 µg/m³, 1.3× the WHO 24-hour guideline. The figure the 24-hour ranking uses.

Latest hour: 71 US AQI (20.0 µg/m³), local time

Where Puchuncaví ranks

24 hours#84of 1,340, at 70 US AQI (19.4 µg/m³)
7 days–not enough data
30 days–not enough data
This year–not enough data

The last 12 months, day by day

1102031Nov 2025DecJan 2026FebMarAprMayJunJulAugSepOct2025-11-01: no monitor reporting here yet2025-11-02: no monitor reporting here yet2025-11-03: no monitor reporting here yet2025-11-04: no monitor reporting here yet2025-11-05: no monitor reporting here yet2025-11-06: no monitor reporting here yet2025-11-07: no monitor reporting here yet2025-11-08: no monitor reporting here yet2025-11-09: no monitor reporting here yet2025-11-10: no monitor reporting here yet2025-11-11: no monitor reporting here yet2025-11-12: no monitor reporting here yet2025-11-13: no monitor reporting here yet2025-11-14: no monitor reporting here yet2025-11-15: no monitor reporting here yet2025-11-16: no monitor reporting here yet2025-11-17: no monitor reporting here yet2025-11-18: no monitor reporting here yet2025-11-19: no monitor reporting here yet2025-11-20: no monitor reporting here yet2025-11-21: no monitor reporting here yet2025-11-22: no monitor reporting here yet2025-11-23: no monitor reporting here 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Daily history appears as days complete. One row per month, one square per local day.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). 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

15303 Oct 22:00 local, 2026-10-04 01:00 UTC: 19.0 µg/m³3 Oct 23:00 local, 2026-10-04 02:00 UTC: 19.0 µg/m³4 Oct 00:00 local, 2026-10-04 03:00 UTC: 19.0 µg/m³4 Oct 01:00 local, 2026-10-04 04:00 UTC: 19.0 µg/m³4 Oct 02:00 local, 2026-10-04 05:00 UTC: 19.0 µg/m³4 Oct 03:00 local, 2026-10-04 06:00 UTC: 19.0 µg/m³4 Oct 04:00 local, 2026-10-04 07:00 UTC: 19.5 µg/m³4 Oct 05:00 local, 2026-10-04 08:00 UTC: 19.5 µg/m³4 Oct 06:00 local, 2026-10-04 09:00 UTC: 19.5 µg/m³4 Oct 08:00 local, 2026-10-04 11:00 UTC: 19.5 µg/m³4 Oct 10:00 local, 2026-10-04 13:00 UTC: 19.5 µg/m³4 Oct 11:00 local, 2026-10-04 14:00 UTC: 19.5 µg/m³4 Oct 12:00 local, 2026-10-04 15:00 UTC: 19.5 µg/m³4 Oct 13:00 local, 2026-10-04 16:00 UTC: 19.5 µg/m³4 Oct 15:00 local, 2026-10-04 18:00 UTC: 19.5 µg/m³4 Oct 16:00 local, 2026-10-04 19:00 UTC: 19.5 µg/m³4 Oct 17:00 local, 2026-10-04 20:00 UTC: 19.5 µg/m³4 Oct 18:00 local, 2026-10-04 21:00 UTC: 19.0 µg/m³4 Oct 19:00 local, 2026-10-04 22:00 UTC: 20.0 µg/m³Oct 1Oct 2Oct 3Oct 4
Puchuncaví's local time; hover a bar for UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Monitors

StationOperatorType
Los MaitenesPermission requested (Chile MMA, SINCA, 2026-10-01)Chile - SINCAReference
La GredaPermission requested (Chile MMA, SINCA, 2026-10-01)Chile - SINCAReference
VentanasPermission requested (Chile MMA, SINCA, 2026-10-01)Chile - SINCAReference
PuchuncavíPermission requested (Chile MMA, SINCA, 2026-10-01)Chile - SINCAReference

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.

Other cities in Chile

30-day averages, US AQI. All of Chile.

Updated 2026-10-05 01:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.