Hermosillo air quality

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Air quality in Hermosillo is currently good, with a US AQI of 37 (European AQI 31). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 2.2 µg/m³.

Pollutants

PM2.5

2.2 µg/m³

PM10

4.1 µg/m³

Ozone (O₃)

77 µg/m³

NO₂

2.8 µg/m³

SO₂

1.2 µg/m³

CO

156 µg/m³

Dust

3 µg/m³

AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.

Right now in Hermosillo, it's clear sky with the temperature at 28 °C. It feels colder than it reads, more like 25 °C. Wind is from the ESE at 6 km/h. Humidity stands at 22% with sea-level pressure near 1008 hPa.

At a glance

Today looks like clear sky; temperatures run from 24 °C up to 40 °C. Tomorrow looks like mainly clear; temperatures run from 23 °C up to 39 °C. Tuesday brings overcast with a high of 40 °C and a low of 26 °C.

Soil temperatures today read surface 28.5 °C, 6 cm 33.5 °C, 18 cm 37.8 °C, 54 cm 35.3 °C. Soil moisture sits at 0-1 cm at 0.03 m³/m³, 3-9 cm at 0.09 m³/m³, 27-81 cm at 0.1 m³/m³. For wheat, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 64 mm against only 1 mm of expected rain — a 63 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Heat stress is likely for wheat with highs reaching 42 °C (threshold 32 °C). Heat stress is likely for maize with highs reaching 42 °C (threshold 35 °C). Projected growing degree days over the next week: wheat 207, maize 168.

Topsoil moisture

0.03 m³/m³

Soil temp

27°C

ET₀ today

9.18 mm

Spray window

~5:00

Rain (next 7d)

1.2 mm

Wind

6 km/h

Humidity

21%

Full farming outlook for Hermosillo →

Weather alerts for Hermosillo (derived from forecast data, not official warnings): Extreme heat tomorrow: feels-like temperatures up to 41 °C. Extreme heat Tuesday: feels-like temperatures up to 42 °C. Extreme heat Wednesday: feels-like temperatures up to 42 °C. Extreme heat Thursday: feels-like temperatures up to 42 °C. Extreme heat Friday: feels-like temperatures up to 42 °C.

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