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Air Quality History for Piedras Negras, Mexico

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

30
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

431h

PM2.5 Station

431h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 29 23–33 7.0 µg/m³ 5h 2
2026-06-08 44 6–64 11.1 µg/m³ 24h 2
2026-06-07 51 3–197 17.8 µg/m³ 21h 2
2026-06-06 38 3–81 9.7 µg/m³ 18h 2
2026-06-05 54 9–222 20.8 µg/m³ 23h 2
2026-06-04 34 11–68 8.4 µg/m³ 23h 2
2026-06-03 48 25–95 12.9 µg/m³ 19h 2
2026-06-02 49 19–90 13.2 µg/m³ 23h 2
2026-06-01 65 14–465 33.5 µg/m³ 20h 2
2026-05-31 46 24–78 12.2 µg/m³ 23h 2
2026-05-30 49 13–157 14.6 µg/m³ 22h 2
2026-05-29 35 15–67 8.7 µg/m³ 21h 2
2026-05-28 38 18–65 9.4 µg/m³ 18h 2
2026-05-27 38 7–83 9.6 µg/m³ 24h 2
2026-05-26 77 18–500 67.1 µg/m³ 24h 2
2026-05-25 47 9–108 12.7 µg/m³ 23h 2
2026-05-24 62 11–500 57.0 µg/m³ 21h 2
2026-05-23 41 8–73 10.8 µg/m³ 23h 2
2026-05-22 44 12–84 11.5 µg/m³ 23h 2
2026-05-21 41 18–78 10.5 µg/m³ 20h 2
2026-05-20 53 22–89 14.7 µg/m³ 13h 2
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