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Air quality · Mozambique

Nampula Air Quality Index (AQI) today

Modelled estimate for 14:00 local time (UTC+2), refreshed 3 Nov, 07:52 UTC+0.

52 Moderate

Live estimate · modelled

US EPA AQI14:00 UTC+2, 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 53.

Over the next 24 hours the model expects the AQI to range from 41 around 04:00 to 58 around 22:00 (3 Nov).

632nd most polluted of 849 cities worldwide right now, 3rd of 3 in Mozambique.

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 · 44 16:00 · 44 17:00 · 45 18:00 · 46 19:00 · 48 20:00 · 52 21:00 · 54 22:00 · 55 23:00 · 56 00:00 · 56 01:00 · 55 02:00 · 55 03:00 · 54 04:00 · 53 05:00 · 53 06:00 · 52 07:00 · 52 08:00 · 52 09:00 · 52 10:00 · 52 11:00 · 52 12:00 · 52 13:00 · 52 14:00 · 52 15:00 · 52 16:00 · 52 17:00 · 52 18:00 · 52 19:00 · 53 20:00 · 55 21:00 · 57 22:00 · 58 23:00 · 58 00:00 · 56 01:00 · 54 02:00 · 50 03:00 · 44 04:00 · 41 05:00 · 41 06:00 · 41 07:00 · 41 08:00 · 42 09:00 · 43 10:00 · 44 11:00 · 47 12:00 · 50 13:00 · 52 14:00 · 53 15:00 · 53 16:00 · 54 17:00 · 54 18:00 · 55 19:00 · 57 20:00 · 59 21:00 · 60 22:00 · 59 23:00 · 58 00:00 · 57 01:00 · 56 02:00 · 54 03:00 · 52 04:00 · 49 05:00 · 46 06:00 · 46 07:00 · 46 08:00 · 47 09:00 · 48 Now

US EPA AQI per hour, UTC+2. 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 15:0044
Mon 16:0044
Mon 17:0045
Mon 18:0046
Mon 19:0048
Mon 20:0052
Mon 21:0054
Mon 22:0055
Mon 23:0056
Tue 00:0056
Tue 01:0055
Tue 02:0055
Tue 03:0054
Tue 04:0053
Tue 05:0053
Tue 06:0052
Tue 07:0052
Tue 08:0052
Tue 09:0052
Tue 10:0052
Tue 11:0052
Tue 12:0052
Tue 13:0052
Tue 14:00 · Now52
Tue 15:00 · Forecast52
Tue 16:00 · Forecast52
Tue 17:00 · Forecast52
Tue 18:00 · Forecast52
Tue 19:00 · Forecast53
Tue 20:00 · Forecast55
Tue 21:00 · Forecast57
Tue 22:00 · Forecast58
Tue 23:00 · Forecast58
Wed 00:00 · Forecast56
Wed 01:00 · Forecast54
Wed 02:00 · Forecast50
Wed 03:00 · Forecast44
Wed 04:00 · Forecast41
Wed 05:00 · Forecast41
Wed 06:00 · Forecast41
Wed 07:00 · Forecast41
Wed 08:00 · Forecast42
Wed 09:00 · Forecast43
Wed 10:00 · Forecast44
Wed 11:00 · Forecast47
Wed 12:00 · Forecast50
Wed 13:00 · Forecast52
Wed 14:00 · Forecast53
Wed 15:00 · Forecast53
Wed 16:00 · Forecast54
Wed 17:00 · Forecast54
Wed 18:00 · Forecast55
Wed 19:00 · Forecast57
Wed 20:00 · Forecast59
Wed 21:00 · Forecast60
Wed 22:00 · Forecast59
Wed 23:00 · Forecast58
Thu 00:00 · Forecast57
Thu 01:00 · Forecast56
Thu 02:00 · Forecast54
Thu 03:00 · Forecast52
Thu 04:00 · Forecast49
Thu 05:00 · Forecast46
Thu 06:00 · Forecast46
Thu 07:00 · Forecast46
Thu 08:00 · Forecast47
Thu 09:00 · Forecast48

Pollutants this hour

  • PM2.5 10.0 µg/m³ 24-hour mean 10.0 µg/m³ · within WHO’s 24-hour guideline (15) 52
  • PM10 13 µg/m³ 12
  • O₃ 67 µg/m³ 29
  • NO₂ 0 µg/m³ 0
  • SO₂ 1 µg/m³ 0
  • CO 0.10 mg/m³ 0

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
Blantyre Malawi 54
Lilongwe Malawi 60
Beira Sofala 52
Dar es Salaam Tanzania 52
Harare Zimbabwe 53
Antananarivo Madagascar 35
Zanzibar Tanzania 38

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 Nampula’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 Nampula right now?
52 on the US EPA scale (Moderate) at 14:00 UTC+2, 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 Nampula 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 Nampula get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 41 around 04:00 to 58 around 22:00 (3 Nov). Forecasts beyond a day are less certain.

How does Nampula compare with other cities?
Right now it is the 632nd most polluted of 849 cities we track worldwide, and 3rd of 3 in Mozambique, all on the same US EPA scale.

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