Air Quality in Highland, United States

Windy
32.2°C · 13.9% humidity
32.2°
Feels 32.2°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
34 2pm
34
34
30 5pm
27
27
27 8pm
27
34
34 11pm
34
34
34 2am
34
34
34 5am
54
54
34 8am
34
34
34 11am
34
54
AD 728×90

Air Quality Index Trend

46h · 3 stn

Highland'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 Highland is 1.4× the WHO annual guideline of 5 µg/m³.

13.9%
Humidity
49.9 km/h
Wind SSW
1011.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.2 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Highland?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations
PM2.57.2 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (1 station within 25 km)
7.2
Median
7.2
Average
7.2
Low
7.2
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +3.7

What is the 7-day forecast for Highland?

05-29
32.2° 13.6°
05-30
19.5° 9.9°
05-31
28.5° 17.0°
06-01
31.6° 12.6°
06-02
28.2° 9.8°
06-03
29.2° 6.9°
06-04
24.9° 12.1°
Both models agree Avg diff: 4.8°C

Where are air quality stations near Highland?

22
San Bernardino
11.1 km PM2.5: 5.2 µg/m³
47
Lake Gregory (Crestline), San Bernardino
14.0 km PM2.5: 11.3 µg/m³
31
Lake Gregory (Crestline), San Bernardino
14.0 km PM2.5: 7.4 µg/m³
16
EHS Building
19.5 km PM2.5: 3.9 µg/m³
21
Emerbee's
20.1 km PM2.5: 5.0 µg/m³
16
C&C Center
20.4 km PM2.5: 3.9 µg/m³
18
4001 Iowa Ave Riverside CA
21.2 km PM2.5: 4.4 µg/m³
75
Rubidoux - Mission Blvd, Riverside
23.9 km PM2.5: 23.5 µg/m³
46
Rubidoux - Mission Blvd, Riverside
23.9 km PM2.5: 11.0 µg/m³

What cities are near Highland?

30 San Bernardino 30 Redlands 30 Loma Linda 30 Colton 30 Rialto 57 Yucaipa 30 Fontana 34 Moreno Valley 45 Rubidoux 34 Riverside
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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 2026-05-29T00:17 UTC.