WildfireSmokeCanada

Cochrane Sensor

Hourly regulatory PM2.5 observations from Alberta Environment and Protected Areas (data.environment.alberta.ca).

Alberta · 51.2054, -114.5127 · Updated Sep 02, 2026, 3:57AM MDT · Regulatory monitor
4.1Latest hourly PM2.5 · µg/m³Sep 02, 3:00AM MDT · Preliminary observation
4.312-hour NowCast · µg/m³Good
ModerateModel peak · next 24 h4–17 µg/m³ · 3 models available
2AQHI
AQHI context

What this monitor reports

The latest hourly PM2.5 reading is 4.1 µg/m³. The 12-hour NowCast is 4.3 µg/m³ (Good).

The monitor belongs to Alberta Environment and Protected Areas (data.environment.alberta.ca). Real-time readings are preliminary and may be revised.

The air-quality category applies to the NowCast, not to a single hourly reading. Methodology and source policy.

Nearby fires

150 km radius

Fire snapshot updated 2026-09-02 09:50 UTC

Within 150 km, agencies report 1 Out of control · 2 Being held · 1 Under control.

Out of control1 fire
2026KO5
107 km away · 11 ha · reported 2026-08-23 · PC
distance measured to the incident point
Out of control
Being held2 fires
N41514
124 km away · 737 ha · discovered 2026-08-09 · reported 2026-09-01 · BCWS
Fire number N41514Southeast Fire CentreMoose CreekCause: Lightning
distance measured to the mapped perimeterOfficial incident details
Being held
N22088
136 km away · 0.009 ha · discovered 2026-08-27 · reported 2026-09-01 · BCWS
Fire number N22088Southeast Fire CentreWarspite CreekCause: Unknown
distance measured to the incident pointOfficial incident details
Being held
Under control1 fire
2026KO4
120 km away · 10.8 ha · reported 2026-08-09 · PC
distance measured to the incident point
Under control

Proximity and wind direction do not prove that a fire caused smoke at this location. Sources: BC Wildfire Service in British Columbia; Natural Resources Canada CWFIS elsewhere.

Recent observations and next 48 hours

monitor + up to three models
20100now−24 h+24 h+48 hµg/m³

Background bands (US EPA AQI, 24-h basis): Good · Moderate

Forecast at this monitor

NEXT 6 HOURS
Moderate
4–17 µg/m³ · Sep 02, 9:00AM
NEXT 12 HOURS
Moderate
4–17 µg/m³ · Sep 02, 9:00AM
NEXT 24 HOURS
Moderate
4–17 µg/m³ · Sep 02, 9:00AM
NEXT 48 HOURS
Moderate
4–17 µg/m³ · Sep 02, 9:00AM
Model detail3 models available · 48-hour peak table
ModelPeakTime
FireSmoke16.7 µg/m³Sep 02, 9:00AM
FireWork10.4 µg/m³Sep 03, 3:00AM
HRRR3.8 µg/m³Sep 02, 5:00AM

Nearby regulatory monitors

in the same province or territory

Source and data quality

Regulatory monitor

Hourly observations are supplied by Alberta Environment and Protected Areas (data.environment.alberta.ca). Real-time data are preliminary and may be revised by the agency.

For information only — not a substitute for official health or emergency advice. Methodology and source policy.