Air Quality in Hercules, United States
Clear
18.4°C · 49.4% humidity
18.4°
Feels 18.4°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
34 stations
Nearby Monitoring Stations
AQI Forecast
27
9am
27
27
16
12pm
19
21
23
3pm
24
25
26
6pm
26
26
26
9pm
27
27
27
12am
27
27
27
3am
27
27
27
6am
34
27
Air Quality Index Trend
46h · 101 stnHercules's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
49.4%
Humidity
15.6 km/h
Wind WSW
1013.4 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Hercules?
Temperature & Precipitation
PM2.5 Trend
46h · 101 stationsPM2.53.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (34 stations within 25 km)
3.9
Median
3.84
Average
2.23
Low
15.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.3
What is the 7-day forecast for Hercules?
05-29
22.6° 13.5°
05-30
18.7° 13.8°
05-31
21.6° 15.8°
0.06 mm
06-01
24.1° 14.4°
06-02
19.6° 11.9°
06-03
24.9° 10.2°
06-04
24.9° 11.7°
Both models agree
Avg diff: 2.4°C
Where are air quality stations near Hercules?
12
A6LHM5BD
21
AGJLDGLM
24
AJ08LDN1
20
A8JYY391
26
Vallejo, Solano, California
30
Vallejo, Solano, California
23
AL9FR71M
19
AFYDTNFN
16
ACSRLHYF
18
A6Z53721
What cities are near Hercules?
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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 2026-05-29T19:39 UTC.