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Air Quality History for Round Rock, United States

Historical PM2.5 and AQI trend from monitoring stations near Round Rock, United States.

21
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

431h

PM2.5 Station

431h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-21 19 9–33 4.6 µg/m³ 6.9 22h 2
2026-07-20 28 16–59 6.8 µg/m³ 10.6 24h 2
2026-07-19 24 15–35 5.7 µg/m³ 9.2 24h 2
2026-07-18 20 4–39 4.8 µg/m³ 7.6 24h 2
2026-07-17 15 4–28 3.5 µg/m³ 5.5 24h 2
2026-07-16 17 2–37 3.9 µg/m³ 6.0 23h 2
2026-07-15 21 1–51 5.0 µg/m³ 7.7 23h 2
2026-07-14 16 1–35 3.9 µg/m³ 6.5 20h 2
2026-07-13 2 1–5 0.5 µg/m³ 1.3 19h 2
2026-07-12 18 6–41 4.4 µg/m³ 6.1 24h 2
2026-07-11 9 2–26 1.9 µg/m³ 2.8 23h 2
2026-07-10 4 1–8 0.9 µg/m³ 1.8 20h 2
2026-07-09 4 1–9 0.8 µg/m³ 1.8 17h 2
2026-07-08 8 1–16 1.9 µg/m³ 2.7 23h 2
2026-07-07 10 1–23 2.4 µg/m³ 2.9 24h 2
2026-07-06 16 5–52 3.9 µg/m³ 3.1 13h 2
2026-07-05 12 1–60 2.9 µg/m³ 3.5 23h 2
2026-07-04 7 1–17 1.7 µg/m³ 2.3 23h 2
2026-07-03 8 1–21 1.9 µg/m³ 2.6 24h 2
2026-07-02 9 2–50 2.2 µg/m³ 2.1 13h 2
2026-07-01 12 12–12 3.0 µg/m³ 4.2 1h 2
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