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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.

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

Air Quality Index Station

410h

PM2.5 Station

410h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-28 12 1–45 2.9 µg/m³ 3.6 23h 2
2026-05-27 2 1–5 0.4 µg/m³ 0.8 7h 1
2026-05-26 15 1–41 3.7 µg/m³ 4.4 22h 2
2026-05-25 10 3–22 2.4 µg/m³ 2.8 15h 2
2026-05-24 11 2–46 2.5 µg/m³ 2.9 21h 2
2026-05-23 14 3–23 3.2 µg/m³ 3.8 16h 2
2026-05-22 10 1–23 2.4 µg/m³ 2.7 19h 2
2026-05-21 22 3–58 5.2 µg/m³ 5.6 22h 2
2026-05-20 8 1–29 1.6 µg/m³ 2.0 10h 2
2026-05-19 49 2–85 14.2 µg/m³ 16.5 24h 2
2026-05-18 62 19–124 19.7 µg/m³ 24.6 24h 2
2026-05-17 58 3–128 18.1 µg/m³ 21.3 23h 2
2026-05-16 19 1–53 4.6 µg/m³ 5.4 24h 2
2026-05-15 9 1–18 1.9 µg/m³ 2.4 24h 2
2026-05-14 34 4–65 8.5 µg/m³ 9.6 24h 2
2026-05-13 29 7–61 7.1 µg/m³ 7.7 24h 2
2026-05-12 34 12–64 8.4 µg/m³ 9.4 24h 2
2026-05-11 18 1–59 4.3 µg/m³ 4.8 17h 2
2026-05-10 38 22–65 9.8 µg/m³ 10.9 24h 2
2026-05-09 59 2–96 18.0 µg/m³ 20.1 23h 2
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