Air Quality in Rialto, United States

Windy
14.1°C · 81.6% humidity
14.1°
Feels 14.1°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
55 5pm
54
52
9 8pm
9
9
9 11pm
9
9
34 2am
34
34
34 5am
34
34
58 8am
58
34
34 11am
34
34
34 2pm
34
34
Station readings
55
54
52
CAMS model adj -41
75
75
75
50
50
50
50
50
50
75
75
75
75
75
75
99
99
75
75
75
75
75
75
75
AD 728×90

PM2.5 Trend (24h)

23h · 10 stations
81.6%
Humidity
71.7 km/h
Wind S
1013.1 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Rialto?

Temperature & Precipitation

PM2.518.64 µg/m³ ×1.2 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (5 stations within 25 km)
18.64
Median
17.49
Average
12.08
Low
21.84
High
PM2.5 µg/m³ · Model: 16.15 · Bias: -2.5

What is the 7-day forecast for Rialto?

04-09
20.1° 8.2°
0.06 mm
04-10
15.1° 8.8°
6.19 mm
04-11
9.6° 5.3°
21.88 mm
04-12
8.8° 3.9°
1.94 mm
04-13
10.8° 3.8°
0.94 mm
04-14
16.5° 6.4°
04-15
20.0° 10.8°
Both models agree Avg diff: 4.7°C

Where are air quality stations near Rialto?

71
San Bernardino
4.1 km PM2.5: 21.8 µg/m³
74
Rubidoux - Mission Blvd, Riverside
12.6 km
68
Rubidoux - Mission Blvd, Riverside
12.6 km
55
EHS Building
14.8 km PM2.5: 14.2 µg/m³
60
Emerbee's
15.0 km PM2.5: 16.5 µg/m³
60
4001 Iowa Ave Riverside CA
15.1 km PM2.5: 16.4 µg/m³
44
C&C Center
15.7 km PM2.5: 10.6 µg/m³
47
Lake Gregory (Crestline), San Bernardino
17.7 km
46
Lake Gregory (Crestline), San Bernardino
17.7 km
53
Lake Gregory (Crestline), San Bernardino
17.7 km

What cities are near Rialto?

65 Fontana 65 Colton 65 San Bernardino 65 Loma Linda 65 Rubidoux 65 Glen Avon 65 Highland 65 Riverside 65 Redlands 65 Jurupa Valley

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:28 UTC.