Air Quality in San Jacinto, United States
Partly Cloudy
12.3°C · 68.8% humidity
12.3°
Feels 12.3°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
San Jacinto's air quality — share it
AQI Forecast
27
4am
27
27
28
7am
27
27
27
10am
27
27
27
1pm
27
34
34
4pm
34
27
27
7pm
27
27
27
10pm
27
25
25
1am
25
25
Air Quality Index Trend
45h · 8 stnSan Jacinto'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 San Jacinto is 1.3× the WHO annual guideline of 5 µg/m³.
68.8%
Humidity
13.9 km/h
Wind NW
1011.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.7 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for San Jacinto?
Temperature & Precipitation
PM2.5 Trend
45h · 8 stationsPM2.56.7 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
Station readings (1 station within 25 km)
6.7
Median
6.7
Average
6.7
Low
6.7
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -0.2
What is the 7-day forecast for San Jacinto?
05-29
34.4° 12.3°
05-30
21.6° 10.9°
05-31
30.6° 15.6°
06-01
33.6° 12.8°
06-02
33.2° 8.6°
06-03
30.3° 7.8°
06-04
28.3° 11.1°
Both models agree
Avg diff: 3.6°C
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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 2026-05-29T14:52 UTC.