Air Quality in Rialto, United States

Clear
28.0°C · 45.8% humidity
28.0°
Feels 29.7°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
25 8am
25
25
35 11am
32
30
29 2pm
30
29
28 5pm
26
28
27 8pm
27
34
34 11pm
54
54
54 2am
34
34
27 5am
27
27
AD 728×90

Air Quality Index Trend

45h · 10 stn

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.

45.8%
Humidity
32.5 km/h
Wind SW
1016.7 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
35
8.38 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Rialto?

Temperature & Precipitation

PM2.5 Trend

45h · 10 stations
PM2.58.38 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (7 stations within 25 km)
8.38
Median
6.62
Average
3.1
Low
9.53
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -1.3

What is the 7-day forecast for Rialto?

09-05
29.1° 19.5°
09-06
32.0° 18.0°
0.31 mm
09-07
34.8° 18.6°
0.56 mm
09-08
35.6° 10.7°
0.31 mm
09-09
32.0° 15.7°
09-10
31.8° 11.8°
09-11
37.5° 16.4°
Both models agree Avg diff: 5.8°C

Where are air quality stations near Rialto?

40
San Bernardino
4.1 km PM2.5: 9.5 µg/m³
13
Rubidoux - Mission Blvd, Riverside
12.6 km PM2.5: 3.1 µg/m³
17
Rubidoux - Mission Blvd, Riverside
12.6 km PM2.5: 4.1 µg/m³
26
EHS Building
14.8 km PM2.5: 6.2 µg/m³
32
Emerbee's
15.0 km PM2.5: 7.7 µg/m³
29
4001 Iowa Ave Riverside CA
15.1 km PM2.5: 7.0 µg/m³
23
C&C Center
15.7 km PM2.5: 5.6 µg/m³
28
Lake Gregory (Crestline), San Bernardino
17.7 km PM2.5: 6.7 µg/m³
30
Lake Gregory (Crestline), San Bernardino
17.7 km PM2.5: 7.2 µg/m³

What cities are near Rialto?

27 Fontana 35 Colton 37 San Bernardino 29 Loma Linda 14 Rubidoux 21 Glen Avon 31 Highland 24 Riverside 29 Redlands 23 Jurupa Valley
Get AQI alerts for Rialto

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T18:55 UTC.