WildfireSmokeCanada

Castlegar Zinio Park

Hourly regulatory PM2.5 observations from British Columbia Ministry of Environment.

British Columbia · 49.3177, -117.6615 · Updated Oct 17, 2026, 6:04AM PDT · Regulatory monitor
10.0Latest hourly PM2.5 · µg/m³Oct 17, 5:00AM PDT · Preliminary observation
9.912-hour NowCast · µg/m³Moderate
Very UnhealthyModel peak · next 24 h2–189 µg/m³ · 3 models available
1AQHI
AQHI context

What this monitor reports

The latest hourly PM2.5 reading is 10.0 µg/m³. The 12-hour NowCast is 9.9 µg/m³ (Moderate).

The monitor belongs to British Columbia Ministry of Environment. 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 2026-10-17 12:55 UTC

Within 150 km, agencies report 1 Being held · 10 Under control.

Out of control0 fires

No out of control fires are reported within 150 km.

Being held1 fire
N72306
80 km away · 0.31 ha · discovered 2026-10-03 · reported 2026-10-07 · BCWS
Fire number N72306Southeast Fire CentreDuck FSRCause: PersonResponse: Full
distance measured to the incident pointOfficial incident details
Being held
Under control10 fires
Ezra Creek
7.5 km away · 143 ha · discovered 2026-08-25 · reported 2026-09-07 · BCWS
Fire number N51938Southeast Fire CentreEzra CreekCause: LightningResponse: Full
distance measured to the mapped perimeterOfficial incident details
Under control
N61319
36 km away · 67.1 ha · discovered 2026-07-29 · reported 2026-09-04 · BCWS
Fire number N61319Southeast Fire CentreHooper CreekCause: LightningResponse: Modified
distance measured to the mapped perimeterOfficial incident details
Under control
N61846
36 km away · 0.04 ha · discovered 2026-08-23 · reported 2026-09-04 · BCWS
Fire number N61846Southeast Fire CentreHooper Creek #2Cause: LightningResponse: Modified
distance measured to the incident pointOfficial incident details
Under control
N71251
54 km away · 13.7 ha · discovered 2026-07-23 · reported 2026-09-03 · BCWS
Fire number N71251Southeast Fire CentreKokanee CreekCause: LightningResponse: Modified
distance measured to the incident pointOfficial incident details
Under control
N71932
61 km away · 26.2 ha · discovered 2026-08-23 · reported 2026-09-08 · BCWS
Fire number N71932Southeast Fire CentreMonk CreekCause: LightningResponse: Full
distance measured to the mapped perimeterOfficial incident details
Under control
Inonoaklin Creek
83 km away · 1510.71 ha · discovered 2026-07-25 · reported 2026-09-01 · BCWS
Fire number N51198Southeast Fire CentreInonoaklin CreekCause: LightningResponse: Full
distance measured to the mapped perimeterOfficial incident details
Under control
N52047
90 km away · 0.01 ha · discovered 2026-08-27 · reported 2026-09-14 · BCWS
Fire number N52047Southeast Fire CentreWest Whatshan 2Cause: LightningResponse: Full
distance measured to the incident pointOfficial incident details
Under control
Tower Creek
96 km away · 1327 ha · discovered 2026-07-17 · reported 2026-09-15 · BCWS
Fire number N10947Southeast Fire CentreTower Creek #2Cause: LightningResponse: Modified
distance measured to the mapped perimeterOfficial incident details
Under control
N12311
128 km away · 0.1 ha · discovered 2026-10-04 · reported 2026-10-16 · BCWS
Fire number N12311Southeast Fire CentreLower Stone CreekCause: PersonResponse: Full
distance measured to the incident pointOfficial incident details
Under control
N41081
139 km away · 186 ha · discovered 2026-07-20 · reported 2026-09-02 · BCWS
Fire number N41081Southeast Fire CentreLedge CreekCause: LightningResponse: Modified
distance measured to the mapped perimeterOfficial incident details
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
2041020now−24 h+24 h+48 hµg/m³

Background bands (US EPA AQI, 24-h basis): ■ Good · ■ Moderate · ■ Unhealthy for Sensitive Groups · ■ Unhealthy · ■ Very Unhealthy

Forecast at this monitor

NEXT 6 HOURS
Moderate
2–10 µg/m³ · Oct 17, 11:00AM
NEXT 12 HOURS
Moderate
2–10 µg/m³ · Oct 17, 11:00AM
NEXT 24 HOURS
Very Unhealthy
2–189 µg/m³ · Oct 18, 1:00AM
NEXT 48 HOURS
Very Unhealthy
2–189 µg/m³ · Oct 18, 1:00AM
Model detail3 models available · 48-hour peak table
ModelPeakTime
FireSmoke189.1 µg/m³Oct 18, 1:00AM
FireWork10.1 µg/m³Oct 17, 11:00AM
HRRR2.3 µg/m³Oct 17, 10:00AM

Nearby regulatory monitors

in the same province or territory
Grand Forks City Hall10.1 µg/m³ PM2.565 km away · British Columbia Ministry of EnvironmentPenticton Debeck Road5.5 µg/m³ PM2.5140 km away · BC Ministry of Environment (env.gov.bc.ca)Cranbrook Muriel Baxter4.0 µg/m³ PM2.5140 km away · British Columbia Ministry of EnvironmentPenticton Industrial Place— PM2.5141 km away · British Columbia Ministry of EnvironmentKelowna KLO Road6.0 µg/m³ PM2.5144 km away · British Columbia Ministry of EnvironmentSkookumchuck Farstad Way5.9 µg/m³ PM2.5152 km away · BC Ministry of Environment (env.gov.bc.ca)

Source and data quality

Regulatory monitor

Hourly observations are supplied by British Columbia Ministry of Environment. 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.