St. John's, NewFoundland, Canada
Monitoring Station
· St. John's, Canada
434
Hazardous
Everyone should stay indoors and keep windows closed.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
21
5pm
434
126
124
8pm
124
124
124
11pm
124
126
126
2am
126
126
126
5am
126
126
—
8am
—
—
—
11am
—
—
—
2pm
—
—
Station readings
21
434
CAMS model
adj +99
27
27
27
25
25
25
25
25
27
27
27
27
27
27
27
Air Quality Trend (24h)
PM2.5417.5 µg/m³
×27.8 WHO
Hazardous
Nearby Monitoring Stations
19
St. John's, NewFoundland, Canada
21
St. John's, NewFoundland, Canada
19
St. John's, NewFoundland, Canada
20
St. John's, NewFoundland, Canada
16
St. John's, NewFoundland, Canada
22
St. John's, NewFoundland, Canada
22
St. John's, NewFoundland, Canada
20
St. John's, NewFoundland, Canada
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-16T20:52 UTC.