Seasonal Fire Clock & Calendar
Temporal patterns in fire activity: when fires start by hour, day, month, and how Northern vs. Southern California seasons differ.
Peak Hour (PT)
6 AM
403 fires
Peak Month
Jul
695 fires
Peak Day
Tue
459 fires
Busiest Single Day
2025-09-02
24 fires
Fire Starts by Hour of Day
When do fires typically ignite? (Pacific Time)
Fire Clock
Radial view of fire start times (Pacific Time)
Fire Incidents by Month
Aggregate 2017-2026
Acres Burned by Month
Total across 2017-2026
NorCal vs. SoCal Seasonality
Northern CA (1,651 fires, 8,679,666 ac) vs. Southern CA (1,248 fires, 2,016,945 ac)
Fires by Day of Week
Does day of week matter?
Key Seasonal Insights
- Peak fire activity occurs in Jul with 695 fires over 10 years
- Most fires are reported around 6 AM Pacific
- Southern California has 1,248 incidents vs. 1,651 in the north
- Day of week shows Tue as the most common fire day
Fire Calendar
Daily incident count -- darker = more fires that day
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
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