What is the air quality in Rialto today?

The current Air Quality Index (AQI) in Rialto is 39 (Good). PM2.5 concentration is 9.33 µg/m³.

What is the temperature in Rialto right now?

The current temperature in Rialto is 30.0°C (feels like 30.0°C). Humidity is 7.1% and wind speed is 29.8 km/h.

Is it safe to go outside in Rialto?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Rialto, United States

Clear

30.0°C · 7.1% humidity

30.0°

Feels 30.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

9 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 10 stn

View full history →

Rialto's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

7.1%

Humidity

29.8 km/h

Wind SW

1017.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.33 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Rialto?

Temperature & Precipitation

PM2.5 Trend

45h · 10 stations

PM2.59.33 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (9 stations within 25 km)

9.33

Median

8.98

Average

5.67

Low

13.1

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +4.2

What is the 7-day forecast for Rialto?

10-20

30.0° 16.3°

10-21

24.2° 13.2°

10-22

27.6° 14.9°

10-23

24.1° 14.3°

0.06 mm

10-24

24.7° 12.3°

0.06 mm

10-25

21.9° 6.4°

10-26

23.6° 12.9°

2.0 mm

Both models agree Avg diff: 3.9°C

Where are air quality stations near Rialto?

San Bernardino

4.1 km PM2.5: 9.2 µg/m³

Rubidoux - Mission Blvd, Riverside

12.6 km PM2.5: 11.3 µg/m³

Rubidoux - Mission Blvd, Riverside

12.6 km PM2.5: 13.1 µg/m³

Rubidoux - Mission Blvd, Riverside

12.6 km PM2.5: 26.8 µg/m³

EHS Building

14.8 km PM2.5: 6.3 µg/m³

Emerbee's

15.0 km PM2.5: 7.3 µg/m³

4001 Iowa Ave Riverside CA

15.1 km PM2.5: 6.9 µg/m³

C&C Center

15.7 km PM2.5: 5.5 µg/m³

Lake Gregory (Crestline), San Bernardino

17.7 km PM2.5: 9.1 µg/m³

Lake Gregory (Crestline), San Bernardino

17.7 km PM2.5: 12.0 µg/m³

What cities are near Rialto?

41 Fontana 38 Colton 38 San Bernardino 35 Loma Linda 50 Rubidoux 45 Glen Avon 38 Highland 39 Riverside 35 Redlands 43 Jurupa Valley

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:05 UTC.