SmogRank / United States / Ohio
Air quality in Sharonville
Ohio, United States. Over the last 24 hours its air rated Good, the 1,116th most polluted of 1,339 cities measured.
24-hour average 23US AQI
Good PM2.5 4.2 µg/m³, 0.3× the WHO 24-hour guideline. The figure the 24-hour ranking uses.
Latest hour: 33 US AQI (5.9 µg/m³), 23:00 local time on 4 Oct
Below its usual for early October (6.9 µg/m³).
Where Sharonville ranks 24 hours #1,116 of 1,339, at 23 US AQI (4.2 µg/m³)
7 days #1,629 of 2,676, at 35 US AQI (6.3 µg/m³)
30 days #2,107 of 2,887, at 29 US AQI (5.3 µg/m³)
This year #2,048 of 2,735, at 42 US AQI (7.5 µg/m³)
Bad-air episodes that reached Sharonville Northern United States and Canada, July 2026 14 to 21 July 2026, 8 days 327 cities548 µg/m³ peak, Superior North-eastern United States, June and July 2026 30 June to 2 July 2026, 3 days 38 cities32 µg/m³ peak, Westerville North-eastern United States, 4 to 5 July 2023 4 to 5 July 2023, 2 days 49 cities57 µg/m³ peak, Bayonne Eastern United States and Canada, June and July 2023 25 June to 2 July 2023, 8 days 343 cities453 µg/m³ peak, Saguenay United States and Canada, June 2023 14 to 19 June 2023, 6 days 195 cities105 µg/m³ peak, Saint Paul Eastern United States and Canada, May and June 2023 31 May to 12 June 2023, 13 days 317 cities253 µg/m³ peak, Bethlehem Times when Sharonville and many cities around it had PM2.5 at twice their usual or more on the same days. All episodes .
The last 12 months, day by day
1 10 20 31 Nov 2025 Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep Oct 2025-11-01: 6.3 µg/m³ 2025-11-02: 7.5 µg/m³ 2025-11-03: 5.4 µg/m³ 2025-11-04: 5.2 µg/m³ 2025-11-05: 7.0 µg/m³ 2025-11-06: 4.7 µg/m³ 2025-11-07: 10.0 µg/m³ 2025-11-08: 8.1 µg/m³ 2025-11-09: 5.1 µg/m³ 2025-11-10: 2.3 µg/m³ 2025-11-11: 3.3 µg/m³ 2025-11-12: 3.2 µg/m³ 2025-11-13: 4.2 µg/m³ 2025-11-14: no daily value, under 18 hours of readings, or readings that failed our checks 2025-11-15: no daily value, under 18 hours of readings, or readings that failed our checks 2025-11-16: no daily value, under 18 hours of readings, or readings that failed our checks 2025-11-17: no daily value, under 18 hours of readings, or readings that failed our checks 2025-11-18: no daily value, under 18 hours of readings, or readings that failed our checks 2025-11-19: no daily value, under 18 hours of readings, or readings that failed our checks 2025-11-20: no daily value, under 18 hours of readings, or readings that failed our checks 2025-11-21: 10.7 µg/m³ 2025-11-22: 7.8 µg/m³ 2025-11-23: 7.1 µg/m³ 2025-11-24: 9.3 µg/m³ 2025-11-25: 4.6 µg/m³ 2025-11-26: 2.1 µg/m³ 2025-11-27: 1.4 µg/m³ 2025-11-28: 3.2 µg/m³ 2025-11-29: 6.4 µg/m³ 2025-11-30: 3.5 µg/m³ 2025-12-01: 3.8 µg/m³ 2025-12-02: 8.4 µg/m³ 2025-12-03: 10.0 µg/m³ 2025-12-04: 10.7 µg/m³ 2025-12-05: 10.8 µg/m³ 2025-12-06: 16.8 µg/m³ 2025-12-07: 18.2 µg/m³ 2025-12-08: 4.7 µg/m³ 2025-12-09: 7.5 µg/m³ 2025-12-10: 2.6 µg/m³ 2025-12-11: 4.6 µg/m³ 2025-12-12: 9.4 µg/m³ 2025-12-13: 6.9 µg/m³ 2025-12-14: 5.7 µg/m³ 2025-12-15: 6.6 µg/m³ 2025-12-16: 7.7 µg/m³ 2025-12-17: 7.7 µg/m³ 2025-12-18: 6.3 µg/m³ 2025-12-19: 4.6 µg/m³ 2025-12-20: 5.2 µg/m³ 2025-12-21: 5.0 µg/m³ 2025-12-22: 6.4 µg/m³ 2025-12-23: 13.0 µg/m³ 2025-12-24: 10.3 µg/m³ 2025-12-25: 10.8 µg/m³ 2025-12-26: 8.4 µg/m³ 2025-12-27: 5.1 µg/m³ 2025-12-28: 4.7 µg/m³ 2025-12-29: 2.8 µg/m³ 2025-12-30: 3.4 µg/m³ 2025-12-31: 6.1 µg/m³ 2026-01-01: 5.3 µg/m³ 2026-01-02: 9.0 µg/m³ 2026-01-03: 11.2 µg/m³ 2026-01-04: 14.9 µg/m³ 2026-01-05: 9.3 µg/m³ 2026-01-06: 13.2 µg/m³ 2026-01-07: 12.1 µg/m³ 2026-01-08: 11.9 µg/m³ 2026-01-09: 7.3 µg/m³ 2026-01-10: 3.5 µg/m³ 2026-01-11: 4.5 µg/m³ 2026-01-12: 5.9 µg/m³ 2026-01-13: 5.4 µg/m³ 2026-01-14: 3.6 µg/m³ 2026-01-15: 2.7 µg/m³ 2026-01-16: 5.7 µg/m³ 2026-01-17: 6.2 µg/m³ 2026-01-18: 5.6 µg/m³ 2026-01-19: 4.1 µg/m³ 2026-01-20: 3.7 µg/m³ 2026-01-21: 9.6 µg/m³ 2026-01-22: 6.4 µg/m³ 2026-01-23: no daily value, under 18 hours of readings, or readings that failed our checks 2026-01-24: 4.6 µg/m³ 2026-01-25: 7.7 µg/m³ 2026-01-26: 7.4 µg/m³ 2026-01-27: 9.4 µg/m³ 2026-01-28: 8.7 µg/m³ 2026-01-29: 13.1 µg/m³ 2026-01-30: 12.8 µg/m³ 2026-01-31: 13.5 µg/m³ 2026-02-01: 7.3 µg/m³ 2026-02-02: 13.1 µg/m³ 2026-02-03: 17.9 µg/m³ 2026-02-04: 12.8 µg/m³ 2026-02-05: 18.0 µg/m³ 2026-02-06: 16.5 µg/m³ 2026-02-07: 3.9 µg/m³ 2026-02-08: 7.1 µg/m³ 2026-02-09: 7.1 µg/m³ 2026-02-10: 15.5 µg/m³ 2026-02-11: 11.2 µg/m³ 2026-02-12: 11.1 µg/m³ 2026-02-13: 13.8 µg/m³ 2026-02-14: 7.9 µg/m³ 2026-02-15: 9.0 µg/m³ 2026-02-16: 11.3 µg/m³ 2026-02-17: 8.3 µg/m³ 2026-02-18: 9.1 µg/m³ 2026-02-19: 9.5 µg/m³ 2026-02-20: 5.9 µg/m³ 2026-02-21: 4.1 µg/m³ 2026-02-22: 5.2 µg/m³ 2026-02-23: 3.7 µg/m³ 2026-02-24: 3.1 µg/m³ 2026-02-25: 6.5 µg/m³ 2026-02-26: 5.1 µg/m³ 2026-02-27: 7.3 µg/m³ 2026-02-28: 6.9 µg/m³ 2026-03-01: 4.0 µg/m³ 2026-03-02: 4.0 µg/m³ 2026-03-03: 10.7 µg/m³ 2026-03-04: 9.3 µg/m³ 2026-03-05: 6.5 µg/m³ 2026-03-06: 9.0 µg/m³ 2026-03-07: 6.3 µg/m³ 2026-03-08: 3.5 µg/m³ 2026-03-09: 6.3 µg/m³ 2026-03-10: 7.5 µg/m³ 2026-03-11: 4.8 µg/m³ 2026-03-12: 2.2 µg/m³ 2026-03-13: 3.1 µg/m³ 2026-03-14: 3.0 µg/m³ 2026-03-15: 7.1 µg/m³ 2026-03-16: 3.2 µg/m³ 2026-03-17: 3.8 µg/m³ 2026-03-18: 4.9 µg/m³ 2026-03-19: 9.9 µg/m³ 2026-03-20: 14.5 µg/m³ 2026-03-21: 8.7 µg/m³ 2026-03-22: 15.1 µg/m³ 2026-03-23: 5.0 µg/m³ 2026-03-24: 5.0 µg/m³ 2026-03-25: 9.9 µg/m³ 2026-03-26: no daily value, under 18 hours of readings, or readings that failed our checks 2026-03-27: 5.0 µg/m³ 2026-03-28: 5.0 µg/m³ 2026-03-29: 5.7 µg/m³ 2026-03-30: 10.6 µg/m³ 2026-03-31: 11.4 µg/m³ 2026-04-01: 7.4 µg/m³ 2026-04-02: 5.0 µg/m³ 2026-04-03: 9.6 µg/m³ 2026-04-04: 7.6 µg/m³ 2026-04-05: 2.4 µg/m³ 2026-04-06: 5.5 µg/m³ 2026-04-07: 3.6 µg/m³ 2026-04-08: 4.1 µg/m³ 2026-04-09: 11.1 µg/m³ 2026-04-10: 12.9 µg/m³ 2026-04-11: 5.0 µg/m³ 2026-04-12: 8.7 µg/m³ 2026-04-13: 10.0 µg/m³ 2026-04-14: 10.5 µg/m³ 2026-04-15: 10.0 µg/m³ 2026-04-16: 8.3 µg/m³ 2026-04-17: 10.0 µg/m³ 2026-04-18: 6.8 µg/m³ 2026-04-19: 3.0 µg/m³ 2026-04-20: 5.3 µg/m³ 2026-04-21: 6.0 µg/m³ 2026-04-22: 10.3 µg/m³ 2026-04-23: 12.9 µg/m³ 2026-04-24: 14.3 µg/m³ 2026-04-25: 7.2 µg/m³ 2026-04-26: 5.0 µg/m³ 2026-04-27: 7.6 µg/m³ 2026-04-28: 5.8 µg/m³ 2026-04-29: 5.2 µg/m³ 2026-04-30: 2.7 µg/m³ 2026-05-01: 4.6 µg/m³ 2026-05-02: 2.4 µg/m³ 2026-05-03: 5.0 µg/m³ 2026-05-04: 5.8 µg/m³ 2026-05-05: 10.6 µg/m³ 2026-05-06: 2.6 µg/m³ 2026-05-07: no daily value, under 18 hours of readings, or readings that failed our checks 2026-05-08: no daily value, under 18 hours of readings, or readings that failed our checks 2026-05-09: no daily value, under 18 hours of readings, or readings that failed our checks 2026-05-10: no daily value, under 18 hours of readings, or readings that failed our checks 2026-05-11: no daily value, under 18 hours of readings, or readings that failed our checks 2026-05-12: 4.2 µg/m³ 2026-05-13: 5.2 µg/m³ 2026-05-14: 1.1 µg/m³ 2026-05-15: 5.9 µg/m³ 2026-05-16: 7.5 µg/m³ 2026-05-17: 9.3 µg/m³ 2026-05-18: 10.2 µg/m³ 2026-05-19: 7.2 µg/m³ 2026-05-20: 3.9 µg/m³ 2026-05-21: 1.5 µg/m³ 2026-05-22: 3.2 µg/m³ 2026-05-23: 2.5 µg/m³ 2026-05-24: 4.4 µg/m³ 2026-05-25: 5.1 µg/m³ 2026-05-26: 3.8 µg/m³ 2026-05-27: 2.3 µg/m³ 2026-05-28: 4.2 µg/m³ 2026-05-29: 6.2 µg/m³ 2026-05-30: 8.1 µg/m³ 2026-05-31: 4.4 µg/m³ 2026-06-01: 5.4 µg/m³ 2026-06-02: 3.5 µg/m³ 2026-06-03: 4.0 µg/m³ 2026-06-04: 7.7 µg/m³ 2026-06-05: 11.2 µg/m³ 2026-06-06: 12.5 µg/m³ 2026-06-07: 11.6 µg/m³ 2026-06-08: 7.3 µg/m³ 2026-06-09: 5.0 µg/m³ 2026-06-10: 10.1 µg/m³ 2026-06-11: 8.6 µg/m³ 2026-06-12: 2.7 µg/m³ 2026-06-13: 5.0 µg/m³ 2026-06-14: 6.2 µg/m³ 2026-06-15: 1.8 µg/m³ 2026-06-16: 4.8 µg/m³ 2026-06-17: 7.2 µg/m³ 2026-06-18: 1.8 µg/m³ 2026-06-19: 2.0 µg/m³ 2026-06-20: 3.8 µg/m³ 2026-06-21: 4.4 µg/m³ 2026-06-22: 3.5 µg/m³ 2026-06-23: 4.6 µg/m³ 2026-06-24: 2.9 µg/m³ 2026-06-25: 6.6 µg/m³ 2026-06-26: 5.5 µg/m³ 2026-06-27: 5.2 µg/m³ 2026-06-28: 3.6 µg/m³ 2026-06-29: 13.5 µg/m³ 2026-06-30: 18.6 µg/m³ 2026-07-01: 30.5 µg/m³ 2026-07-02: 21.0 µg/m³ 2026-07-03: 16.0 µg/m³ 2026-07-04: 8.7 µg/m³ 2026-07-05: 7.1 µg/m³ 2026-07-06: 7.9 µg/m³ 2026-07-07: 8.4 µg/m³ 2026-07-08: 8.5 µg/m³ 2026-07-09: 9.9 µg/m³ 2026-07-10: 5.8 µg/m³ 2026-07-11: 3.1 µg/m³ 2026-07-12: 5.1 µg/m³ 2026-07-13: 7.6 µg/m³ 2026-07-14: 6.6 µg/m³ 2026-07-15: 11.6 µg/m³ 2026-07-16: 12.5 µg/m³ 2026-07-17: 14.0 µg/m³ 2026-07-18: 5.5 µg/m³ 2026-07-19: 29.3 µg/m³ 2026-07-20: 26.4 µg/m³ 2026-07-21: 13.5 µg/m³ 2026-07-22: 5.0 µg/m³ 2026-07-23: 5.0 µg/m³ 2026-07-24: 7.2 µg/m³ 2026-07-25: 10.6 µg/m³ 2026-07-26: 9.4 µg/m³ 2026-07-27: 11.8 µg/m³ 2026-07-28: 7.7 µg/m³ 2026-07-29: 9.3 µg/m³ 2026-07-30: 7.9 µg/m³ 2026-07-31: 13.0 µg/m³ 2026-08-01: 9.0 µg/m³ 2026-08-02: 3.3 µg/m³ 2026-08-03: 6.3 µg/m³ 2026-08-04: 5.2 µg/m³ 2026-08-05: 8.3 µg/m³ 2026-08-06: 8.7 µg/m³ 2026-08-07: 9.3 µg/m³ 2026-08-08: 10.6 µg/m³ 2026-08-09: 11.1 µg/m³ 2026-08-10: 9.4 µg/m³ 2026-08-11: 8.4 µg/m³ 2026-08-12: 6.7 µg/m³ 2026-08-13: 5.8 µg/m³ 2026-08-14: 4.5 µg/m³ 2026-08-15: 4.7 µg/m³ 2026-08-16: 8.6 µg/m³ 2026-08-17: 3.5 µg/m³ 2026-08-18: 5.5 µg/m³ 2026-08-19: 8.7 µg/m³ 2026-08-20: 3.0 µg/m³ 2026-08-21: 5.0 µg/m³ 2026-08-22: 7.9 µg/m³ 2026-08-23: 7.4 µg/m³ 2026-08-24: 12.0 µg/m³ 2026-08-25: 10.3 µg/m³ 2026-08-26: no daily value, under 18 hours of readings, or readings that failed our checks 2026-08-27: no daily value, under 18 hours of readings, or readings that failed our checks 2026-08-28: no daily value, under 18 hours of readings, or readings that failed our checks 2026-08-29: no daily value, under 18 hours of readings, or readings that failed our checks 2026-08-30: no daily value, under 18 hours of readings, or readings that failed our checks 2026-08-31: no daily value, under 18 hours of readings, or readings that failed our checks 2026-09-01: 9.1 µg/m³ 2026-09-02: 9.6 µg/m³ 2026-09-03: 10.5 µg/m³ 2026-09-04: 9.7 µg/m³ 2026-09-05: 2.1 µg/m³ 2026-09-06: 3.6 µg/m³ 2026-09-07: 4.9 µg/m³ 2026-09-08: 6.3 µg/m³ 2026-09-09: 8.0 µg/m³ 2026-09-10: 7.8 µg/m³ 2026-09-11: 3.0 µg/m³ 2026-09-12: 3.8 µg/m³ 2026-09-13: 5.6 µg/m³ 2026-09-14: 3.1 µg/m³ 2026-09-15: 5.0 µg/m³ 2026-09-16: 8.3 µg/m³ 2026-09-17: 10.9 µg/m³ 2026-09-18: 4.4 µg/m³ 2026-09-19: 5.0 µg/m³ 2026-09-20: 7.9 µg/m³ 2026-09-21: 2.2 µg/m³ 2026-09-22: 2.4 µg/m³ 2026-09-23: 2.3 µg/m³ 2026-09-24: 3.1 µg/m³ 2026-09-25: 3.6 µg/m³ 2026-09-26: 5.2 µg/m³ 2026-09-27: 5.7 µg/m³ 2026-09-28: 7.0 µg/m³ 2026-09-29: 6.8 µg/m³ 2026-09-30: 6.9 µg/m³ 2026-10-01: 10.5 µg/m³ 2026-10-02: 5.9 µg/m³ 2026-10-03: 2.7 µg/m³ 2026-10-04: 4.2 µg/m³ 13 of 340 measured days were over the WHO 24-hour guideline (15 µg/m³). 25 days without a value, all with under 18 hours of readings or readings that failed our checks; point at a grey square for its reason (why days go blank ). One row per month, one square per local day. Good 0–50
Moderate 51–100
Sensitive groups 101–150
Unhealthy 151–200
Very unhealthy 201–300
Hazardous 301+
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+ . About the scales
Last 4 days, hour by hour 15 30 3 Oct 21:00 local, 2026-10-04 01:00 UTC: 6.9 µg/m³ 3 Oct 22:00 local, 2026-10-04 02:00 UTC: 5.9 µg/m³ 3 Oct 23:00 local, 2026-10-04 03:00 UTC: 6.0 µg/m³ 4 Oct 00:00 local, 2026-10-04 04:00 UTC: 5.3 µg/m³ 4 Oct 01:00 local, 2026-10-04 05:00 UTC: 6.3 µg/m³ 4 Oct 02:00 local, 2026-10-04 06:00 UTC: 5.0 µg/m³ 4 Oct 03:00 local, 2026-10-04 07:00 UTC: 2.0 µg/m³ 4 Oct 04:00 local, 2026-10-04 08:00 UTC: 1.6 µg/m³ 4 Oct 05:00 local, 2026-10-04 09:00 UTC: 2.1 µg/m³ 4 Oct 06:00 local, 2026-10-04 10:00 UTC: 7.4 µg/m³ 4 Oct 07:00 local, 2026-10-04 11:00 UTC: 5.0 µg/m³ 4 Oct 08:00 local, 2026-10-04 12:00 UTC: 4.0 µg/m³ 4 Oct 09:00 local, 2026-10-04 13:00 UTC: 4.5 µg/m³ 4 Oct 10:00 local, 2026-10-04 14:00 UTC: 4.5 µg/m³ 4 Oct 11:00 local, 2026-10-04 15:00 UTC: 5.5 µg/m³ 4 Oct 12:00 local, 2026-10-04 16:00 UTC: 3.1 µg/m³ 4 Oct 13:00 local, 2026-10-04 17:00 UTC: 1.6 µg/m³ 4 Oct 14:00 local, 2026-10-04 18:00 UTC: 3.6 µg/m³ 4 Oct 15:00 local, 2026-10-04 19:00 UTC: 4.5 µg/m³ 4 Oct 16:00 local, 2026-10-04 20:00 UTC: 4.8 µg/m³ 4 Oct 17:00 local, 2026-10-04 21:00 UTC: 5.6 µg/m³ 4 Oct 18:00 local, 2026-10-04 22:00 UTC: 3.1 µg/m³ 4 Oct 19:00 local, 2026-10-04 23:00 UTC: 1.6 µg/m³ 4 Oct 20:00 local, 2026-10-05 00:00 UTC: 1.7 µg/m³ 4 Oct 21:00 local, 2026-10-05 01:00 UTC: 4.2 µg/m³ 4 Oct 22:00 local, 2026-10-05 02:00 UTC: 8.6 µg/m³ 4 Oct 23:00 local, 2026-10-05 03:00 UTC: 5.9 µg/m³ Oct 2 Oct 3 Oct 4 Sharonville's local time; hover a bar for UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).
Where it stood each day Top 10 Top 100 #1 #10 #100 #1,000 #3,193 Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep #2,506 Its rank on each day's world board, #1 being the most polluted city that day. Higher is worse. Each gridline down is ten times the rank above it (#1, #10, #100, #1,000), so the top places get the most room. See it among every city .
2026 against 2025, month by month 15 Jan 2025: 6.7 µg/m³ Jan 2026: 7.9 µg/m³ Jan Feb 2025: 7.1 µg/m³ Feb 2026: 9.2 µg/m³ Feb Mar 2025: 5.4 µg/m³ Mar 2026: 6.8 µg/m³ Mar Apr 2025: 4.7 µg/m³ Apr 2026: 7.5 µg/m³ Apr May 2025: 4.6 µg/m³ May 2026: 5.0 µg/m³ May Jun 2025: 8.9 µg/m³ Jun 2026: 6.4 µg/m³ Jun Jul 2025: 8.0 µg/m³ Jul 2026: 11.2 µg/m³ Jul Aug 2025: 4.7 µg/m³ Aug 2026: 7.3 µg/m³ Aug Sep 2025: 7.3 µg/m³ Sep 2026: 5.8 µg/m³ Sep Oct 2025: 4.8 µg/m³ Oct Nov 2025: 5.6 µg/m³ Nov Dec 2025: 7.6 µg/m³ Dec Faded bars: 2025. A month shows once it has 10 measured days.
This week against past years This week This week: 6.3 µg/m³ 6.3 2025 2025: 8.7 µg/m³ 8.7 2024 2024: 7.9 µg/m³ 7.9 2023 2023: 7.9 µg/m³ 7.9 Mean PM2.5 for 28 Sept to 4 Oct in each year. Dashed line: WHO 24-hour guideline.
Monitors
PM2.5 from 1 reference monitor, updated hourly.
Station Operator Type SycamoreUS Public Domain AirNow Reference
The city's value is the median of its reference monitors each hour, when at least a third of them report (three are always enough); low-cost sensors are listed but not counted when reference monitors exist. Data via OpenAQ; licences as listed. How we rank . Embed this on your site .
Use this page SmogRank, PM2.5 daily means, Sharonville, United States, 5 Oct 2025 – 4 Oct 2026, smogrank.com/us/sharonville (accessed 5 Oct 2026).
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Other cities in United States 30-day averages, US AQI. All of United States .
Updated 2026-10-05 04:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.