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Air quality · Delta, Nigeria

Warri Air Quality Index (AQI) today

Modelled estimate for 14:00 local time (UTC+1), refreshed 3 Nov, 07:52 UTC+0.

61 Moderate

Live estimate · modelled

US EPA AQI14:00 UTC+1, 3 Nov Main pollutant: PM2.5

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

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 85.

Over the next 24 hours the model expects the AQI to range from 47 around 13:00 to 110 around 00:00 (4 Nov).

499th most polluted of 849 cities worldwide right now, 21st of 22 in Nigeria.

What to do today

  • Long walk or run outside OK, lighter if very sensitive
  • Kids playing outside OK
  • Airing the house Open
  • Mask outdoors Not needed

Based on the US EPA’s health statement: “Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.” General guidance, not medical advice.

Last 24 hours and next 48

Past hours Forecast

15:00 · 58 16:00 · 57 17:00 · 57 18:00 · 59 19:00 · 66 20:00 · 77 21:00 · 87 22:00 · 99 23:00 · 114 00:00 · 125 01:00 · 121 02:00 · 117 03:00 · 116 04:00 · 112 05:00 · 105 06:00 · 99 07:00 · 102 08:00 · 96 09:00 · 85 10:00 · 74 11:00 · 66 12:00 · 61 13:00 · 59 14:00 · 61 15:00 · 58 16:00 · 55 17:00 · 55 18:00 · 57 19:00 · 66 20:00 · 76 21:00 · 89 22:00 · 98 23:00 · 106 00:00 · 110 01:00 · 108 02:00 · 104 03:00 · 101 04:00 · 97 05:00 · 95 06:00 · 98 07:00 · 106 08:00 · 101 09:00 · 86 10:00 · 69 11:00 · 59 12:00 · 53 13:00 · 47 14:00 · 49 15:00 · 52 16:00 · 52 17:00 · 52 18:00 · 54 19:00 · 65 20:00 · 81 21:00 · 96 22:00 · 116 23:00 · 129 00:00 · 131 01:00 · 129 02:00 · 125 03:00 · 122 04:00 · 123 05:00 · 122 06:00 · 125 07:00 · 131 08:00 · 126 Now

US EPA AQI per hour, UTC+1. 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 15:0058
Mon 16:0057
Mon 17:0057
Mon 18:0059
Mon 19:0066
Mon 20:0077
Mon 21:0087
Mon 22:0099
Mon 23:00114
Tue 00:00125
Tue 01:00121
Tue 02:00117
Tue 03:00116
Tue 04:00112
Tue 05:00105
Tue 06:0099
Tue 07:00102
Tue 08:0096
Tue 09:0085
Tue 10:0074
Tue 11:0066
Tue 12:0061
Tue 13:0059
Tue 14:00 · Now61
Tue 15:00 · Forecast58
Tue 16:00 · Forecast55
Tue 17:00 · Forecast55
Tue 18:00 · Forecast57
Tue 19:00 · Forecast66
Tue 20:00 · Forecast76
Tue 21:00 · Forecast89
Tue 22:00 · Forecast98
Tue 23:00 · Forecast106
Wed 00:00 · Forecast110
Wed 01:00 · Forecast108
Wed 02:00 · Forecast104
Wed 03:00 · Forecast101
Wed 04:00 · Forecast97
Wed 05:00 · Forecast95
Wed 06:00 · Forecast98
Wed 07:00 · Forecast106
Wed 08:00 · Forecast101
Wed 09:00 · Forecast86
Wed 10:00 · Forecast69
Wed 11:00 · Forecast59
Wed 12:00 · Forecast53
Wed 13:00 · Forecast47
Wed 14:00 · Forecast49
Wed 15:00 · Forecast52
Wed 16:00 · Forecast52
Wed 17:00 · Forecast52
Wed 18:00 · Forecast54
Wed 19:00 · Forecast65
Wed 20:00 · Forecast81
Wed 21:00 · Forecast96
Wed 22:00 · Forecast116
Wed 23:00 · Forecast129
Thu 00:00 · Forecast131
Thu 01:00 · Forecast129
Thu 02:00 · Forecast125
Thu 03:00 · Forecast122
Thu 04:00 · Forecast123
Thu 05:00 · Forecast122
Thu 06:00 · Forecast125
Thu 07:00 · Forecast131
Thu 08:00 · Forecast126

Pollutants this hour

  • PM2.5 15.4 µg/m³ 24-hour mean 27.4 µg/m³ · 1.8× WHO’s 24-hour guideline (15) 61
  • PM10 24 µg/m³ 19
  • O₃ 80 µg/m³ 32
  • NO₂ 1 µg/m³ 0
  • SO₂ 1 µg/m³ 0
  • CO 0.23 mg/m³ 3

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
Benin City Edo State 63
Onitsha Anambra 73
Port Harcourt Rivers State 55
Aba Abia State 62
Akure Ondo State 62
Enugu Enugu State 82
Lagos Lagos 61

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 Warri’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 Warri right now?
61 on the US EPA scale (Moderate) at 14:00 UTC+1, 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 Warri today?
For most people, yes. The EPA’s statement for “Moderate”: Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. General guidance, not medical advice.

Will the air in Warri get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 47 around 13:00 to 110 around 00:00 (4 Nov). Forecasts beyond a day are less certain.

How does Warri compare with other cities?
Right now it is the 499th most polluted of 849 cities we track worldwide, and 21st of 22 in Nigeria, all on the same US EPA scale.

Why does another app show a different AQI for Warri?
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.