Air Quality in Hercules, United States

Partly Cloudy
16.0°C · 66.6% humidity
16.0°
Feels 16.0°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
33 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
18 3pm
18
16
9 6pm
9
9
9 9pm
9
9
9 12am
9
9
9 3am
9
22
22 6am
34
47
47 9am
47
47
47 12pm
34
47
Station readings
18
18
16
CAMS model adj -3
25
12
12
12
12
12
12
12
12
12
12
12
12
12
25
25
37
50
50
50
50
50
37
50
AD 728×90

PM2.5 Trend (24h)

25h · 98 stations
66.6%
Humidity
18.8 km/h
Wind WSW
1011.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Hercules?

Temperature & Precipitation

PM2.53.83 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (33 stations within 25 km)
3.83
Median
3.97
Average
1.98
Low
8.96
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +2.1

What is the 7-day forecast for Hercules?

04-09
19.7° 13.7°
0.06 mm
04-10
17.0° 12.0°
2.63 mm
04-11
17.5° 10.6°
04-12
13.7° 9.0°
04-13
14.1° 6.9°
0.06 mm
04-14
16.9° 9.1°
04-15
19.8° 11.5°
Both models agree Avg diff: 1.9°C

Where are air quality stations near Hercules?

9
A6LHM5BD
8.2 km PM2.5: 2.2 µg/m³
12
San Pablo-Rumrill, Contra Costa, California
8.7 km
17
A8JYY391
10.4 km PM2.5: 4.1 µg/m³
9
A6YK1F9M
11.3 km PM2.5: 2.1 µg/m³
10
A882RZTJ
12.7 km PM2.5: 2.3 µg/m³
11
AK80QP18
13.0 km PM2.5: 2.6 µg/m³
17
A8KNP57K
13.3 km PM2.5: 4.1 µg/m³
13
Berkeley-Martinez 1
13.5 km PM2.5: 3.2 µg/m³
12
Martinez 3
15.4 km PM2.5: 2.8 µg/m³
18
Lawrence Hall of Science
15.8 km PM2.5: 4.4 µg/m³

What cities are near Hercules?

16 Pinole 18 San Pablo 10 Vallejo 18 El Cerrito 17 Benicia 18 Martinez 18 Berkeley 13 American Canyon 19 Orinda 19 Pleasant Hill

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:47 UTC.