Air Quality in Norco, United States

Windy
34.5°C · 16.0% humidity
34.5°
Feels 34.5°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 2pm
34
54
45 5pm
21
—
— 8pm
—
—
— 11pm
—
—
— 2am
—
—
— 5am
—
—
— 8am
—
49
51 11am
52
52
AD 728×90

Air Quality Index Trend

46h · 2 stn

Norco's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Norco is 2.2× the WHO annual guideline of 5 µg/m³.

16.0%
Humidity
89.3 km/h
Wind WSW
1010.4 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.85 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Norco?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.510.85 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX5.9
High
AD 300×250

What is the 7-day forecast for Norco?

05-29
34.5° 19.2°
05-30
22.7° 16.8°
05-31
32.0° 20.7°
06-01
33.8° 18.7°
06-02
33.1° 16.0°
06-03
32.1° 15.5°
06-04
28.1° 18.1°
Both models agree Avg diff: 5.3°C

Where are air quality stations near Norco?

75
Rubidoux - Mission Blvd, Riverside
14.4 km PM2.5: 23.5 µg/m³
46
Rubidoux - Mission Blvd, Riverside
14.4 km PM2.5: 11.0 µg/m³
18
4001 Iowa Ave Riverside CA
19.6 km PM2.5: 4.4 µg/m³
21
Emerbee's
21.0 km PM2.5: 5.0 µg/m³
16
C&C Center
21.4 km PM2.5: 3.9 µg/m³
16
EHS Building
21.7 km PM2.5: 3.9 µg/m³
22
San Bernardino
28.2 km PM2.5: 5.2 µg/m³

What cities are near Norco?

45 Eastvale 41 Corona 45 Jurupa Valley 45 Glen Avon 34 Riverside 45 Rubidoux 53 Chino 53 Ontario 53 Rancho Cucamonga 53 Chino Hills
Get AQI alerts for Norco

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:10 UTC.