WeatherPI

Weather & Air Monitor

Real-time readings from Riverside, CA

Live Wednesday, February 26, 2026 · 12:47:56 am

Latest readings

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Temp

(C)

0.00

Humidity

(%)

0.00

Pressure

(Pa)

0.00

Tap a tile to see what this measurement means.

Temperature

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Air Quality

Calibrations shown side-by-side for indoor vs outdoor tuning.

Particle count (µm³ / 0.1L)

Number of particles of each size bucket per 0.1L of air.

PM (indoor)

Mass concentration calibrated for indoor environments.

PM (outdoor)

Mass concentration calibrated for outdoor environments.

Particle Count

counts / 0.1L

0.3 µm³

0

0.5 µm³

0

1.0 µm³

0

2.5 µm³

0

5.0 µm³

0

10.0 µm³

0

PM (Indoor)

indoor calibration

PM1.0

0

PM2.5

0

PM10

0

PM (Outdoor)

outdoor calibration

PM1.0

0

PM2.5

0

PM10

0