What is the air quality in Hercules today?

The current Air Quality Index (AQI) in Hercules is 18 (Good). PM2.5 concentration is 4.32 µg/m³.

What is the temperature in Hercules right now?

The current temperature in Hercules is 22.8°C (feels like 22.8°C). Humidity is 30.0% and wind speed is 60.8 km/h.

Is it safe to go outside in Hercules?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Hercules, United States

Windy

22.8°C · 30.0% humidity

22.8°

Feels 22.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

37 stations

Nearby Monitoring Stations

AQI Forecast

34 4pm

18 7pm

14 10pm

29 1am

32 4am

26 7am

25 10am

25 1pm

Air Quality Index Trend

48h · 1 stn

View full history →

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.

30.0%

Humidity

60.8 km/h

Wind SW

1014.8 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

4.32 µg/m³

PM10▲

20.55 µg/m³

050100150200300500

What is the weather forecast for Hercules?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.54.32 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (37 stations within 25 km)

4.32

Median

4.47

Average

2.47

Low

6.0

High

PM2.5 µg/m³ · Model: 9.65 · Bias: +5.3

What is the 7-day forecast for Hercules?

06-09

22.8° 12.7°

06-10

24.0° 14.5°

06-11

27.4° 16.3°

06-12

25.1° 13.5°

06-13

21.7° 11.8°

06-14

23.4° 15.0°

06-15

19.1° 12.3°

Both models agree Avg diff: 3.7°C

Where are air quality stations near Hercules?

A6LHM5BD

8.2 km PM2.5: 3.5 µg/m³

AGJLDGLM

9.2 km PM2.5: 6.3 µg/m³

AJ08LDN1

9.6 km PM2.5: 5.8 µg/m³

A8JYY391

10.4 km PM2.5: 4.7 µg/m³

Vallejo, Solano, California

10.5 km PM2.5: 13.1 µg/m³

Vallejo, Solano, California

10.5 km PM2.5: 4.8 µg/m³

AL9FR71M

10.7 km PM2.5: 3.6 µg/m³

AFYDTNFN

10.9 km PM2.5: 4.6 µg/m³

ACSRLHYF

11.5 km PM2.5: 3.8 µg/m³

A6Z53721

11.8 km PM2.5: 4.3 µg/m³

What cities are near Hercules?

18 Pinole 17 San Pablo 19 Vallejo 18 El Cerrito 17 Benicia 16 Martinez 20 Berkeley 18 American Canyon 19 Orinda 20 Pleasant Hill

Get AQI alerts for Hercules

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:02 UTC.