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Air Quality History for Piedras Negras, Mexico

Historical PM2.5 and AQI trend from monitoring stations near Piedras Negras, Mexico.

39
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

293h

PM2.5 Station

293h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 32 25–39 7.7 µg/m³ 4h 1
2026-06-08 42 8–64 10.2 µg/m³ 22h 2
2026-06-07 42 2–67 10.8 µg/m³ 19h 2
2026-06-06 39 3–60 9.5 µg/m³ 20h 2
2026-06-05 64 9–371 31.1 µg/m³ 21h 2
2026-06-04 31 15–55 7.6 µg/m³ 21h 2
2026-06-03 40 1–86 10.4 µg/m³ 19h 1
2026-06-02 47 26–79 12.0 µg/m³ 23h 2
2026-06-01 68 20–469 34.1 µg/m³ 21h 1
2026-05-31 40 10–78 10.2 µg/m³ 21h 2
2026-05-30 53 13–174 17.3 µg/m³ 22h 2
2026-05-29 42 18–89 11.0 µg/m³ 21h 2
2026-05-28 42 16–61 10.3 µg/m³ 20h 2
2026-05-27 42 10–90 11.6 µg/m³ 22h 2
2026-05-26 35 20–53 8.3 µg/m³ 17h 2
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