Air Quality in Norco, United States

Partly Cloudy
20.1°C · 58.1% humidity
20.1°
Feels 20.1°
66
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
56 3pm
56
55
26 6pm
26
26
26 9pm
26
26
26 12am
26
26
26 3am
26
26
26 6am
26
26
26 9am
26
26
26 12pm
26
26
Station readings
56
56
55
CAMS model adj -49
136
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
AD 728×90

PM2.5 Trend (24h)

23h · 10 stations
58.1%
Humidity
28.6 km/h
Wind WSW
1012.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Norco?

Temperature & Precipitation

PM2.519.06 µg/m³ ×1.3 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (4 stations within 25 km)
19.06
Median
18.16
Average
13.6
Low
20.9
High
PM2.5 µg/m³ · Model: 17.65 · Bias: -1.4

What is the 7-day forecast for Norco?

04-09
25.5° 15.8°
04-10
21.9° 14.4°
14.19 mm
04-11
17.1° 12.4°
29.81 mm
04-12
16.5° 11.7°
1.37 mm
04-13
16.8° 12.5°
0.19 mm
04-14
22.4° 13.8°
04-15
26.3° 17.9°
Both models agree Avg diff: 2.5°C

Where are air quality stations near Norco?

75
Rubidoux - Mission Blvd, Riverside
14.4 km
69
4001 Iowa Ave Riverside CA
19.6 km PM2.5: 20.6 µg/m³
69
Emerbee's
21.0 km PM2.5: 20.8 µg/m³
54
C&C Center
21.4 km PM2.5: 13.6 µg/m³
62
EHS Building
21.7 km PM2.5: 17.5 µg/m³
71
San Bernardino
28.2 km PM2.5: 21.4 µg/m³

What cities are near Norco?

66 Eastvale 69 Corona 69 Jurupa Valley 69 Glen Avon 69 Riverside 69 Rubidoux 55 Chino 57 Ontario 73 Rancho Cucamonga 51 Chino Hills

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:40 UTC.