What is the air quality in Norco today?

The current Air Quality Index (AQI) in Norco is 41 (Good). PM2.5 concentration is 9.89 µg/m³.

What is the temperature in Norco right now?

The current temperature in Norco is 26.1°C (feels like 26.1°C). Humidity is 32.0% and wind speed is 21.7 km/h.

Is it safe to go outside in Norco?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Norco, United States

Clear

26.1°C · 32.0% humidity

26.1°

Feels 26.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

54 5pm

41 8pm

49 11pm

52 2am

53 5am

54 8am

54 11am

54 2pm

Air Quality Index Trend

46h · 12 stn

View full history →

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.

32.0%

Humidity

21.7 km/h

Wind W

1009.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.89 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Norco?

Temperature & Precipitation

PM2.5 Trend

46h · 12 stations

PM2.59.89 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.7

Low

Station readings (5 stations within 25 km)

9.89

Median

9.61

Average

7.29

Low

11.03

High

PM2.5 µg/m³ · Model: 10.85 · Bias: +1.0

What is the 7-day forecast for Norco?

06-09

33.2° 20.3°

06-10

31.4° 20.4°

06-11

30.0° 20.3°

06-12

31.6° 21.3°

06-13

36.0° 24.1°

06-14

31.6° 26.8°

06-15

27.6° 16.9°

Both models agree Avg diff: 5.2°C

Where are air quality stations near Norco?

Rubidoux - Mission Blvd, Riverside

14.4 km PM2.5: 10.8 µg/m³

Rubidoux - Mission Blvd, Riverside

14.4 km PM2.5: 10.6 µg/m³

4001 Iowa Ave Riverside CA

19.6 km PM2.5: 9.9 µg/m³

Emerbee's

21.0 km PM2.5: 11.0 µg/m³

C&C Center

21.4 km PM2.5: 7.3 µg/m³

EHS Building

21.7 km PM2.5: 8.8 µg/m³

San Bernardino

28.2 km PM2.5: 13.9 µg/m³

What cities are near Norco?

41 Eastvale 42 Corona 43 Jurupa Valley 44 Glen Avon 41 Riverside 45 Rubidoux 43 Chino 44 Ontario 48 Rancho Cucamonga 43 Chino Hills

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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 2026-06-09T03:33 UTC.