SmogRank / Italy

Air quality in Magenta

Lombardy, Italy. Measured by low-cost sensors, too few to rank; the model estimate below is the cross-check.

24-hour average, not ranked67US AQI
1–2 sensors, not rankedModerate

PM2.5 17.9 µg/m³, 1.2× the WHO 24-hour guideline, from the two low-cost sensors in Magenta. One cheap unit can read well off, so Magenta isn't ranked.

Latest hour: 100 US AQI (35.2 µg/m³), local time

Measured, but by two low-cost sensors and no other monitor. An hour they read more than twice apart counts no value. They pass the same checks as every sensor we count, yet can still be off. A third sensor here would rank Magenta. How sure each figure is

Hour by hour

153512 Oct 18:00 local, 2026-10-12 16:00 UTC: 1.0 µg/m³12 Oct 19:00 local, 2026-10-12 17:00 UTC: 0.9 µg/m³12 Oct 20:00 local, 2026-10-12 18:00 UTC: 4.2 µg/m³12 Oct 21:00 local, 2026-10-12 19:00 UTC: 4.4 µg/m³12 Oct 22:00 local, 2026-10-12 20:00 UTC: 5.3 µg/m³12 Oct 23:00 local, 2026-10-12 21:00 UTC: 5.7 µg/m³13 Oct 00:00 local, 2026-10-12 22:00 UTC: 8.3 µg/m³13 Oct 01:00 local, 2026-10-12 23:00 UTC: 7.9 µg/m³13 Oct 02:00 local, 2026-10-13 00:00 UTC: 6.7 µg/m³13 Oct 03:00 local, 2026-10-13 01:00 UTC: 4.6 µg/m³13 Oct 04:00 local, 2026-10-13 02:00 UTC: 5.3 µg/m³13 Oct 05:00 local, 2026-10-13 03:00 UTC: 9.3 µg/m³13 Oct 06:00 local, 2026-10-13 04:00 UTC: 10.7 µg/m³13 Oct 07:00 local, 2026-10-13 05:00 UTC: 6.9 µg/m³13 Oct 08:00 local, 2026-10-13 06:00 UTC: 5.1 µg/m³13 Oct 09:00 local, 2026-10-13 07:00 UTC: 5.3 µg/m³13 Oct 10:00 local, 2026-10-13 08:00 UTC: 7.3 µg/m³13 Oct 12:00 local, 2026-10-13 10:00 UTC: 7.1 µg/m³13 Oct 13:00 local, 2026-10-13 11:00 UTC: 5.7 µg/m³13 Oct 14:00 local, 2026-10-13 12:00 UTC: 4.6 µg/m³13 Oct 15:00 local, 2026-10-13 13:00 UTC: 5.2 µg/m³13 Oct 16:00 local, 2026-10-13 14:00 UTC: 5.7 µg/m³13 Oct 17:00 local, 2026-10-13 15:00 UTC: 6.5 µg/m³13 Oct 18:00 local, 2026-10-13 16:00 UTC: 4.5 µg/m³13 Oct 19:00 local, 2026-10-13 17:00 UTC: 4.5 µg/m³13 Oct 20:00 local, 2026-10-13 18:00 UTC: 9.5 µg/m³13 Oct 21:00 local, 2026-10-13 19:00 UTC: 18.2 µg/m³13 Oct 22:00 local, 2026-10-13 20:00 UTC: 26.7 µg/m³13 Oct 23:00 local, 2026-10-13 21:00 UTC: 26.0 µg/m³14 Oct 00:00 local, 2026-10-13 22:00 UTC: 27.0 µg/m³14 Oct 01:00 local, 2026-10-13 23:00 UTC: 29.3 µg/m³14 Oct 02:00 local, 2026-10-14 00:00 UTC: 31.4 µg/m³14 Oct 03:00 local, 2026-10-14 01:00 UTC: 32.6 µg/m³14 Oct 04:00 local, 2026-10-14 02:00 UTC: 33.1 µg/m³14 Oct 05:00 local, 2026-10-14 03:00 UTC: 33.3 µg/m³14 Oct 06:00 local, 2026-10-14 04:00 UTC: 34.5 µg/m³14 Oct 07:00 local, 2026-10-14 05:00 UTC: 35.2 µg/m³Oct 11Oct 12Oct 13Oct 14
Hourly values over the last 4 days, local time. Dashed line: WHO 24-hour guideline (15 µg/m³).

Last 30 days

One cell a day, coloured by its band: 1 of 30 days had 18 hours or more of readings. Grey: not enough.

The model's estimate

Its measured days

SmogRank measured Magenta with ground monitors from 21 Sep 2026 to 23 Sep 2026: 3 days, averaging 6.6 µg/m³. Its monitors stopped giving readings we can use, so it isn't ranked today, but those days stay on the past boards: 0 day boards.

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Its last 12 measured months, one row per month, each square a day's mean PM2.5. Blank: no measured value that day.

Its measured months since 2026, with the worst months and days.

Use this history

SmogRank, measured PM2.5 daily means, Magenta, Italy, 21 Sep 2026 to 23 Sep 2026. Monitor data from national networks via OpenAQ and the publishers listed at smogrank.com/sources. smogrank.com/it/magenta (accessed 14 Oct 2026).

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.

Now: model estimate

7-day average, estimated≈ 16µg/m³
Estimate, not measuredLikely moderate

Likely between 10 and 23 µg/m³ (53–77 US AQI): the model's 7-day average to 12 Oct 2026, about 1.0× the WHO 24-hour guideline.

30-day average, estimated: ≈ 16 µg/m³

Model estimate from the Copernicus Atmosphere Monitoring Service (CAMS), scaled by 0.63 to match 10 cities within 300 km measured by reference monitors over the last week. Adjusted this way, a single day lands within ×1.5 of what a monitor would read about two times in three: a guide, not a measurement. Not ranked on SmogRank's boards.

Last 30 days, estimated

152026-09-13: ≈ 13 µg/m³ (estimate)13 Sep2026-09-14: ≈ 22 µg/m³ (estimate)2026-09-15: ≈ 12 µg/m³ (estimate)2026-09-16: ≈ 16 µg/m³ (estimate)2026-09-17: ≈ 10 µg/m³ (estimate)2026-09-18: ≈ 6 µg/m³ (estimate)2026-09-19: ≈ 15 µg/m³ (estimate)2026-09-20: ≈ 22 µg/m³ (estimate)20 Sep2026-09-21: ≈ 17 µg/m³ (estimate)2026-09-22: ≈ 11 µg/m³ (estimate)2026-09-23: ≈ 9 µg/m³ (estimate)2026-09-24: ≈ 21 µg/m³ (estimate)2026-09-25: ≈ 15 µg/m³ (estimate)2026-09-26: ≈ 9 µg/m³ (estimate)2026-09-27: ≈ 13 µg/m³ (estimate)27 Sep2026-09-28: ≈ 18 µg/m³ (estimate)2026-09-29: ≈ 19 µg/m³ (estimate)2026-09-30: ≈ 23 µg/m³ (estimate)2026-10-01: ≈ 23 µg/m³ (estimate)2026-10-02: ≈ 24 µg/m³ (estimate)2026-10-03: ≈ 23 µg/m³ (estimate)2026-10-04: ≈ 23 µg/m³ (estimate)4 Oct2026-10-05: ≈ 19 µg/m³ (estimate)2026-10-06: ≈ 17 µg/m³ (estimate)2026-10-07: ≈ 14 µg/m³ (estimate)2026-10-08: ≈ 12 µg/m³ (estimate)2026-10-09: ≈ 11 µg/m³ (estimate)2026-10-10: ≈ 23 µg/m³ (estimate)2026-10-11: ≈ 17 µg/m³ (estimate)11 Oct2026-10-12: ≈ 15 µg/m³ (estimate)
Daily means, UTC days. Dashed line: WHO 24-hour guideline (15 µg/m³).

Measured cities nearby

CityDistance7-day average
Castano Primo13 km6.2 µg/m³
Novara21 km10.6 µg/m³
Saronno21 km9.8 µg/m³
Milan24 km16.8 µg/m³
Mortara27 km13.5 µg/m³
Monza33 km19.4 µg/m³

Estimates contain modified Copernicus Atmosphere Monitoring Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains. How estimates are made.

Use this page

SmogRank, estimated PM2.5 daily means (CAMS model estimate, not measured), Magenta, Italy, 13 Sep 2026 – 12 Oct 2026, smogrank.com/it/magenta (accessed 14 Oct 2026). Contains modified Copernicus Atmosphere Monitoring Service information 2026.

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.