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Air Quality History for Sofia, BG

Historical PM2.5 and AQI trend from monitoring stations near Sofia, BG.

38
Current AQI
Good
48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

310h · 45 stations

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-10 40 23–61 10.0 µg/m³ 13.5 20h 43
2026-04-09 41 21–134 10.9 µg/m³ 14.7 19h 33
2026-04-08 23 21–26 5.4 µg/m³ 7.7 9h 43
2026-04-07 33 21–56 8.0 µg/m³ 11.0 24h 42
2026-04-06 39 16–144 10.7 µg/m³ 14.9 18h 40
2026-04-05 19 17–21 4.5 µg/m³ 6.5 2h 1
2026-04-04 40 26–62 10.0 µg/m³ 13.4 15h 44
2026-04-03 26 14–36 6.2 µg/m³ 8.6 24h 42
2026-04-02 29 17–85 7.2 µg/m³ 9.9 22h 37
2026-04-01 58 41–74 15.6 µg/m³ 20.8 22h 41
2026-03-31 57 35–142 15.8 µg/m³ 21.1 23h 40
2026-03-30 41 20–67 10.3 µg/m³ 14.0 10h 44
2026-03-29 36 17–59 8.7 µg/m³ 11.9 24h 42
2026-03-28 36 19–90 9.1 µg/m³ 12.5 23h 43
2026-03-27 51 25–70 13.3 µg/m³ 17.9 24h 43
2026-03-26 50 33–63 12.5 µg/m³ 16.8 24h 44
2026-03-25 59 33–67 16.6 µg/m³ 22.3 7h 38
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