What is the air quality trend in San Francisco De Borja?

Over the past 15 days, San Francisco De Borja had an average AQI of 58 based on station measurements. The worst day was 2026-05-23 with AQI 75.

How is San Francisco De Borja air quality measured?

Air quality in San Francisco De Borja is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for San Francisco De Borja, Peru

Name: San Francisco De Borja Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near San Francisco De Borja, Peru.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

319h

PM2.5 Station

319h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	52	18–67	14.7 µg/m³	5h	5
2026-05-29	72	5–166	24.1 µg/m³	24h	5
2026-05-28	61	9–132	18.5 µg/m³	23h	6
2026-05-27	71	18–165	24.2 µg/m³	22h	6
2026-05-26	49	12–128	14.4 µg/m³	24h	5
2026-05-25	61	13–157	19.1 µg/m³	23h	6
2026-05-24	60	15–169	20.1 µg/m³	22h	6
2026-05-23	75	14–142	24.5 µg/m³	24h	6
2026-05-22	57	13–170	17.8 µg/m³	24h	5
2026-05-21	68	15–139	21.3 µg/m³	23h	5
2026-05-20	72	10–170	25.0 µg/m³	24h	6
2026-05-19	56	11–201	21.1 µg/m³	22h	4
2026-05-18	45	12–93	13.1 µg/m³	23h	5
2026-05-17	33	6–66	8.4 µg/m³	18h	3
2026-05-16	39	10–154	11.6 µg/m³	18h	5

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