Air Quality in Highland, United States

Windy
28.4°C · 16.4% humidity
28.4°
Feels 28.4°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
7 stations

Nearby Monitoring Stations

AQI Forecast
27 4pm
27
27
54 7pm
53
48
44 10pm
61
59
58 1am
57
56
55 4am
55
55
54 7am
54
54
54 10am
54
54
54 1pm
54
54
AD 728×90

Air Quality Index Trend

46h · 9 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.

16.4%
Humidity
70.2 km/h
Wind SSW
1009.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.62 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Highland?

Temperature & Precipitation

PM2.5 Trend

46h · 9 stations
PM2.513.62 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
13.62
Median
11.61
Average
6.7
Low
20.7
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -3.6

What is the 7-day forecast for Highland?

06-09
28.4° 12.8°
06-10
32.0° 15.2°
06-11
28.6° 15.3°
06-12
31.2° 17.2°
06-13
34.2° 17.2°
06-14
29.0° 19.2°
06-15
27.4° 10.5°
0.06 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Highland?

58
San Bernardino
11.1 km PM2.5: 15.6 µg/m³
51
Lake Gregory (Crestline), San Bernardino
14.0 km PM2.5: 12.1 µg/m³
55
Lake Gregory (Crestline), San Bernardino
14.0 km PM2.5: 14.0 µg/m³
38
EHS Building
19.5 km PM2.5: 9.1 µg/m³
48
Emerbee's
20.1 km PM2.5: 11.5 µg/m³
32
C&C Center
20.4 km PM2.5: 7.7 µg/m³
42
4001 Iowa Ave Riverside CA
21.2 km PM2.5: 10.0 µg/m³
45
Rubidoux - Mission Blvd, Riverside
23.9 km PM2.5: 10.8 µg/m³
44
Rubidoux - Mission Blvd, Riverside
23.9 km PM2.5: 10.6 µg/m³

What cities are near Highland?

56 San Bernardino 48 Redlands 46 Loma Linda 54 Colton 55 Rialto 17 Yucaipa 46 Fontana 40 Moreno Valley 29 Rubidoux 38 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 2026-06-09T02:22 UTC.