Air Quality in Hercules, United States

Windy
17.0°C · 54.1% humidity
17.0°
Feels 17.0°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
33 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 6pm
16
13
13 9pm
13
13
13 12am
13
13
13 3am
13
26
26 6am
38
51
51 9am
51
51
51 12pm
38
51
51 3pm
38
26
Station readings
16
16
CAMS model adj +1
12
12
12
12
12
12
12
12
12
12
12
25
25
37
50
50
50
50
50
37
50
50
37
25
AD 728×90

PM2.5 Trend (24h)

24h · 100 stations
54.1%
Humidity
60.3 km/h
Wind SW
1009.6 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Hercules?

Temperature & Precipitation

PM2.53.49 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (33 stations within 25 km)
3.49
Median
3.49
Average
2.14
Low
4.84
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +2.4

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: 1.7°C

Where are air quality stations near Hercules?

11
A6LHM5BD
8.2 km PM2.5: 2.6 µg/m³
17
A8JYY391
10.4 km PM2.5: 4.1 µg/m³
17
Vallejo, Solano, California
10.5 km
18
Vallejo, Solano, California
10.5 km
10
A6YK1F9M
11.3 km PM2.5: 2.4 µg/m³
11
A882RZTJ
12.7 km PM2.5: 2.6 µg/m³
11
AK80QP18
13.0 km PM2.5: 2.6 µg/m³
17
A8KNP57K
13.3 km PM2.5: 4.1 µg/m³
14
Berkeley-Martinez 1
13.5 km PM2.5: 3.4 µg/m³
15
Martinez 3
15.4 km PM2.5: 3.7 µg/m³

What cities are near Hercules?

15 Pinole 15 San Pablo 10 Vallejo 16 El Cerrito 14 Benicia 15 Martinez 16 Berkeley 14 American Canyon 17 Orinda 18 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 2026-04-09T21:04 UTC.