Air Quality in Hercules, United States

Partly Cloudy
26.4°C · 53.4% humidity
26.4°
Feels 26.4°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
35 stations

Nearby Monitoring Stations

AQI Forecast
27 5am
34
54
23 8am
19
21
23 11am
24
25
26 2pm
26
26
26 5pm
27
27
27 8pm
27
27
27 11pm
27
34
34 2am
34
27
AD 728×90

Air Quality Index Trend

45h · 96 stn

Hercules's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

53.4%
Humidity
16.3 km/h
Wind W
1016.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.38 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Hercules?

Temperature & Precipitation

PM2.5 Trend

45h · 96 stations
PM2.55.38 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (35 stations within 25 km)
5.38
Median
5.72
Average
1.9
Low
11.8
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +2.0

What is the 7-day forecast for Hercules?

09-05
26.4° 16.4°
09-06
29.8° 16.6°
09-07
30.6° 14.5°
09-08
28.7° 16.8°
09-09
25.9° 17.4°
09-10
25.2° 16.0°
09-11
23.6° 15.9°
0.06 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Hercules?

15
San Pablo-Rumrill, Contra Costa, California
8.7 km PM2.5: 3.6 µg/m³
25
Vallejo, Solano, California
10.5 km PM2.5: 6.0 µg/m³
18
Berkeley-Martinez 1
13.5 km PM2.5: 4.3 µg/m³
14
Martinez 3
15.4 km PM2.5: 3.4 µg/m³
22
Lawrence Hall of Science
15.8 km PM2.5: 5.3 µg/m³
31
Stanley Hall
16.2 km PM2.5: 7.4 µg/m³
24
VLSB
16.4 km PM2.5: 5.7 µg/m³
28
Crossroads
16.9 km PM2.5: 6.8 µg/m³
9
Berkeley-Aquatic Park, Alameda, California
17.0 km PM2.5: 2.2 µg/m³
21
Berkeley-Aquatic Park, Alameda, California
17.0 km PM2.5: 5.0 µg/m³

What cities are near Hercules?

22 Pinole 16 San Pablo 25 Vallejo 24 El Cerrito 20 Benicia 18 Martinez 25 Berkeley 23 American Canyon 25 Orinda 33 Pleasant Hill
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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 2026-09-05T15:46 UTC.