Air Quality in Highland, United States

Drizzle
15.1°C · 59.9% humidity
15.1°
Feels 15.1°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
59 7pm
55
47
42 10pm
42
42
42 1am
67
67
67 4am
67
67
67 7am
91
91
67 10am
67
67
67 1pm
67
67
67 4pm
42
42
Station readings
59
55
47
CAMS model adj -8
75
50
50
50
50
50
50
75
75
75
75
75
75
99
99
75
75
75
75
75
75
75
50
50
AD 728×90

PM2.5 Trend (24h)

23h · 5 stations
59.9%
Humidity
92.1 km/h
Wind SSW
1010.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Highland?

Temperature & Precipitation

PM2.512.06 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
12.06
Median
12.59
Average
8.48
Low
19.06
High
PM2.5 µg/m³ · Model: 23.4 · Bias: +11.3

What is the 7-day forecast for Highland?

04-09
20.1° 8.2°
0.06 mm
04-10
15.1° 8.8°
6.19 mm
04-11
9.6° 5.3°
21.88 mm
04-12
8.8° 3.9°
1.94 mm
04-13
10.8° 3.8°
0.94 mm
04-14
16.5° 6.4°
04-15
20.0° 10.8°
Both models agree Avg diff: 4.1°C

Where are air quality stations near Highland?

61
San Bernardino
11.1 km PM2.5: 16.9 µg/m³
65
Lake Gregory (Crestline), San Bernardino
14.0 km
39
EHS Building
19.5 km PM2.5: 9.4 µg/m³
48
Emerbee's
20.1 km PM2.5: 11.4 µg/m³
32
C&C Center
20.4 km PM2.5: 7.7 µg/m³
44
4001 Iowa Ave Riverside CA
21.2 km PM2.5: 10.6 µg/m³
74
Rubidoux - Mission Blvd, Riverside
23.9 km
50
Rubidoux - Mission Blvd, Riverside
23.9 km

What cities are near Highland?

51 San Bernardino 51 Redlands 51 Loma Linda 51 Colton 51 Rialto 51 Yucaipa 51 Fontana 51 Moreno Valley 51 Rubidoux 51 Riverside

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:57 UTC.