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Air quality · British Columbia, Canada

Vancouver Air Quality Index (AQI) today

Modelled estimate for 05:00 local time (UTC-7), refreshed 3 Nov, 07:52 UTC+0.

108 Unhealthy for sensitive groups

Live estimate · modelled

US EPA AQI05:00 UTC-7, 3 Nov Main pollutant: PM2.5

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

This page uses EPA’s NowCast, which follows the last few hours, as the US government’s AirNow does. On a 24-hour average of particles, as many apps show, it is 111.

Over the next 24 hours the model expects the AQI to range from 92 around 16:00 to 162 around 00:00 (4 Nov).

178th most polluted of 849 cities worldwide right now, 1st of 8 in Canada.

What to do today

  • Long walk or run outside Shorter if you have asthma or heart disease
  • Kids playing outside OK, less for kids with asthma
  • Airing the house Open
  • Mask outdoors If you are in a sensitive group

Based on the US EPA’s health statement: “Members of sensitive groups may experience health effects. The general public is less likely to be affected.” General guidance, not medical advice.

Last 24 hours and next 48

Past hours Forecast

06:00 · 68 07:00 · 69 08:00 · 71 09:00 · 74 10:00 · 76 11:00 · 74 12:00 · 69 13:00 · 65 14:00 · 64 15:00 · 65 16:00 · 73 17:00 · 91 18:00 · 124 19:00 · 154 20:00 · 160 21:00 · 162 22:00 · 162 23:00 · 161 00:00 · 157 01:00 · 153 02:00 · 144 03:00 · 131 04:00 · 118 05:00 · 108 06:00 · 100 07:00 · 97 08:00 · 97 09:00 · 101 10:00 · 107 11:00 · 111 12:00 · 109 13:00 · 103 14:00 · 100 15:00 · 96 16:00 · 92 17:00 · 93 18:00 · 99 19:00 · 122 20:00 · 147 21:00 · 155 22:00 · 159 23:00 · 161 00:00 · 162 01:00 · 160 02:00 · 157 03:00 · 155 04:00 · 152 05:00 · 146 06:00 · 139 07:00 · 127 08:00 · 115 09:00 · 109 10:00 · 106 11:00 · 103 12:00 · 99 13:00 · 97 14:00 · 96 15:00 · 96 16:00 · 98 17:00 · 103 18:00 · 116 19:00 · 136 20:00 · 152 21:00 · 153 22:00 · 152 23:00 · 147 00:00 · 139 Now

US EPA AQI per hour, UTC-7. Particles use EPA’s NowCast (a 12-hour weighted average), ozone and CO an 8-hour average. Lighter bars are the CAMS forecast.

Show as a table
TimeAQI
Mon 06:0068
Mon 07:0069
Mon 08:0071
Mon 09:0074
Mon 10:0076
Mon 11:0074
Mon 12:0069
Mon 13:0065
Mon 14:0064
Mon 15:0065
Mon 16:0073
Mon 17:0091
Mon 18:00124
Mon 19:00154
Mon 20:00160
Mon 21:00162
Mon 22:00162
Mon 23:00161
Tue 00:00157
Tue 01:00153
Tue 02:00144
Tue 03:00131
Tue 04:00118
Tue 05:00 · Now108
Tue 06:00 · Forecast100
Tue 07:00 · Forecast97
Tue 08:00 · Forecast97
Tue 09:00 · Forecast101
Tue 10:00 · Forecast107
Tue 11:00 · Forecast111
Tue 12:00 · Forecast109
Tue 13:00 · Forecast103
Tue 14:00 · Forecast100
Tue 15:00 · Forecast96
Tue 16:00 · Forecast92
Tue 17:00 · Forecast93
Tue 18:00 · Forecast99
Tue 19:00 · Forecast122
Tue 20:00 · Forecast147
Tue 21:00 · Forecast155
Tue 22:00 · Forecast159
Tue 23:00 · Forecast161
Wed 00:00 · Forecast162
Wed 01:00 · Forecast160
Wed 02:00 · Forecast157
Wed 03:00 · Forecast155
Wed 04:00 · Forecast152
Wed 05:00 · Forecast146
Wed 06:00 · Forecast139
Wed 07:00 · Forecast127
Wed 08:00 · Forecast115
Wed 09:00 · Forecast109
Wed 10:00 · Forecast106
Wed 11:00 · Forecast103
Wed 12:00 · Forecast99
Wed 13:00 · Forecast97
Wed 14:00 · Forecast96
Wed 15:00 · Forecast96
Wed 16:00 · Forecast98
Wed 17:00 · Forecast103
Wed 18:00 · Forecast116
Wed 19:00 · Forecast136
Wed 20:00 · Forecast152
Wed 21:00 · Forecast153
Wed 22:00 · Forecast152
Wed 23:00 · Forecast147
Thu 00:00 · Forecast139

Pollutants this hour

  • PM2.5 34.0 µg/m³ 24-hour mean 39.7 µg/m³ · 2.6× WHO’s 24-hour guideline (15) 108
  • PM10 35 µg/m³ 36
  • O₃ 27 µg/m³ 10
  • NO₂ 42 µg/m³ 21
  • SO₂ 11 µg/m³ 6
  • CO 1.49 mg/m³ 19

Modelled concentrations at the city’s location (CAMS). The sub-index uses the same averaging as the headline, so the highest one is the AQI.

Nearby cities

City AQI
Seattle United States 102
Portland United States 74
Calgary Alberta 54
Edmonton Alberta 55
San Francisco United States 55
San Jose United States 59
Los Angeles United States 88

Where this number comes from

The Copernicus Atmosphere Monitoring Service (CAMS) forecasts air pollution worldwide on a grid (about 11 km over Europe, about 45 km elsewhere). We take the grid value at Vancouver’s coordinates and score it with the US EPA’s method. It is a model, not a measurement: a nearby monitoring station can read quite differently, especially next to busy roads or during fires and dust storms.

Full methodology · Data: CAMS via Open-Meteo (CC BY 4.0); city list: GeoNames (CC BY 4.0).

  • Good 0–50
  • Moderate 51–100
  • Unhealthy for sensitive groups 101–150
  • Unhealthy 151–200
  • Very unhealthy 201–300
  • Hazardous 301–500

Questions

What is the AQI in Vancouver right now?
108 on the US EPA scale (Unhealthy for sensitive groups) at 05:00 UTC-7, 3 Nov. PM2.5 is the pollutant with the highest sub-index. This is a modelled estimate from the Copernicus Atmosphere Monitoring Service (CAMS), not a reading from a monitoring station.

Is it safe to exercise outside in Vancouver today?
For most people, yes; people with asthma, heart or lung disease, older adults and children should take it easier. The EPA’s statement for “Unhealthy for sensitive groups”: Members of sensitive groups may experience health effects. The general public is less likely to be affected. General guidance, not medical advice.

Will the air in Vancouver get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 92 around 16:00 to 162 around 00:00 (4 Nov). Forecasts beyond a day are less certain.

How does Vancouver compare with other cities?
Right now it is the 178th most polluted of 849 cities we track worldwide, and 1st of 8 in Canada, all on the same US EPA scale.

Why does another app show a different AQI for Vancouver?
Apps differ in source (government stations, low-cost sensors or a model like this one), in scale (US EPA, European, or a national index) and in averaging (hourly or NowCast, 8-hour, 24-hour). This page uses the US EPA AQI with EPA’s NowCast for particles, computed from the CAMS forecast for the city’s location.