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Air quality · Manzini Region, Eswatini

Manzini Air Quality Index (AQI) today

Modelled estimate for 15:00 local time (UTC+2), refreshed 3 Nov, 13:52 UTC+0.

61 Moderate

Live estimate · modelled

US EPA AQI15:00 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 57.

Over the next 24 hours the model expects the AQI to range from 53 around 03:00 to 66 around 20:00 (3 Nov).

500th most polluted of 849 cities worldwide right now, 1st of 2 in Eswatini.

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

16:00 · 37 17:00 · 38 18:00 · 38 19:00 · 37 20:00 · 47 21:00 · 53 22:00 · 55 23:00 · 56 00:00 · 57 01:00 · 58 02:00 · 55 03:00 · 55 04:00 · 58 05:00 · 61 06:00 · 66 07:00 · 68 08:00 · 65 09:00 · 60 10:00 · 58 11:00 · 58 12:00 · 59 13:00 · 60 14:00 · 61 15:00 · 61 16:00 · 61 17:00 · 62 18:00 · 63 19:00 · 64 20:00 · 66 21:00 · 63 22:00 · 59 23:00 · 56 00:00 · 55 01:00 · 54 02:00 · 54 03:00 · 53 04:00 · 53 05:00 · 53 06:00 · 53 07:00 · 53 08:00 · 54 09:00 · 54 10:00 · 55 11:00 · 57 12:00 · 58 13:00 · 59 14:00 · 60 15:00 · 60 16:00 · 60 17:00 · 60 18:00 · 60 19:00 · 60 20:00 · 60 21:00 · 60 22:00 · 59 23:00 · 59 00:00 · 58 01:00 · 58 02:00 · 58 03:00 · 58 04:00 · 58 05:00 · 58 06:00 · 58 07:00 · 57 08:00 · 57 09:00 · 57 10:00 · 57 11:00 · 58 12:00 · 58 13:00 · 59 14:00 · 60 15:00 · 61 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 16:0037
Mon 17:0038
Mon 18:0038
Mon 19:0037
Mon 20:0047
Mon 21:0053
Mon 22:0055
Mon 23:0056
Tue 00:0057
Tue 01:0058
Tue 02:0055
Tue 03:0055
Tue 04:0058
Tue 05:0061
Tue 06:0066
Tue 07:0068
Tue 08:0065
Tue 09:0060
Tue 10:0058
Tue 11:0058
Tue 12:0059
Tue 13:0060
Tue 14:0061
Tue 15:00 · Now61
Tue 16:00 · Forecast61
Tue 17:00 · Forecast62
Tue 18:00 · Forecast63
Tue 19:00 · Forecast64
Tue 20:00 · Forecast66
Tue 21:00 · Forecast63
Tue 22:00 · Forecast59
Tue 23:00 · Forecast56
Wed 00:00 · Forecast55
Wed 01:00 · Forecast54
Wed 02:00 · Forecast54
Wed 03:00 · Forecast53
Wed 04:00 · Forecast53
Wed 05:00 · Forecast53
Wed 06:00 · Forecast53
Wed 07:00 · Forecast53
Wed 08:00 · Forecast54
Wed 09:00 · Forecast54
Wed 10:00 · Forecast55
Wed 11:00 · Forecast57
Wed 12:00 · Forecast58
Wed 13:00 · Forecast59
Wed 14:00 · Forecast60
Wed 15:00 · Forecast60
Wed 16:00 · Forecast60
Wed 17:00 · Forecast60
Wed 18:00 · Forecast60
Wed 19:00 · Forecast60
Wed 20:00 · Forecast60
Wed 21:00 · Forecast60
Wed 22:00 · Forecast59
Wed 23:00 · Forecast59
Thu 00:00 · Forecast58
Thu 01:00 · Forecast58
Thu 02:00 · Forecast58
Thu 03:00 · Forecast58
Thu 04:00 · Forecast58
Thu 05:00 · Forecast58
Thu 06:00 · Forecast58
Thu 07:00 · Forecast57
Thu 08:00 · Forecast57
Thu 09:00 · Forecast57
Thu 10:00 · Forecast57
Thu 11:00 · Forecast58
Thu 12:00 · Forecast58
Thu 13:00 · Forecast59
Thu 14:00 · Forecast60
Thu 15:00 · Forecast61

Pollutants this hour

  • PM2.5 15.0 µg/m³ 24-hour mean 12.4 µg/m³ · within WHO’s 24-hour guideline (15) 61
  • PM10 16 µg/m³ 14
  • O₃ 115 µg/m³ 47
  • NO₂ 1 µg/m³ 0
  • SO₂ 8 µg/m³ 4
  • CO 0.13 mg/m³ 1

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
Mbabane Hhohho Region 61
Maputo Mozambique 62
Benoni South Africa 101
Pretoria South Africa 77
Johannesburg South Africa 101
Soshanguve South Africa 77
Evaton South Africa 101

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 Manzini’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 Manzini right now?
61 on the US EPA scale (Moderate) at 15:00 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 Manzini 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 Manzini get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 53 around 03:00 to 66 around 20:00 (3 Nov). Forecasts beyond a day are less certain.

How does Manzini compare with other cities?
Right now it is the 500th most polluted of 849 cities we track worldwide, and 1st of 2 in Eswatini, all on the same US EPA scale.

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