Halifax Johnston Gases Air Quality

Monitoring Station · Downtown Halifax, Canada
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
23 5pm
17
23
23 8pm
25
25
32 11pm
32
32
25 2am
25
25
25 5am
25
—
— 8am
—
—
— 11am
—
—
— 2pm
—
—
Station readings
17
CAMS model adj -2
25
25
25
25
27
27
34
34
34
27
27
27
27
27

Air Quality Forecast (24h)

PM2.54.0 µg/m³ ✓ WHO
Good
View city history →

Gas Pollutants

O₃
29.2
µg/m³
NO₂
7.6
µg/m³
SO₂
0.3
µg/m³
CO
0.0
mg/m³

Nearby Monitoring Stations

18
Halifax Johnston, Nova Scotia, Canada
0.0 km PM2.5: 4.3 µg/m³
14
Halifax Johnston, Nova Scotia, Canada
0.0 km PM2.5: 3.4 µg/m³
34
Halifax Johnston, Nova Scotia, Canada
0.0 km PM2.5: 8.2 µg/m³
20
Halifax Johnston, Nova Scotia, Canada
0.0 km PM2.5: 4.8 µg/m³
29
Halifax Johnston, Nova Scotia, Canada
0.0 km PM2.5: 7.0 µg/m³
10
Halifax Johnston, Nova Scotia, Canada
0.0 km PM2.5: 2.4 µg/m³
-
18 Boutiliers
5.7 km PM2.5: 0.0 µg/m³
28
Lake Major, Nova Scotia, Canada
10.9 km PM2.5: 6.7 µg/m³

Nearby Cities

17 Downtown Halifax 17 Halifax 17 Halifax South End 14 Dartmouth 16 Halifax West End 16 Armdale 10 Woodlawn 15 Clayton Park West 13 Cole Harbour

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:12 UTC.