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Air quality · Hubei, China

Wuhan Air Quality Index (AQI) today

Modelled estimate for 20:00 local time (UTC+8), refreshed 3 Nov, 07:52 UTC+0.

146 Unhealthy for sensitive groups

Live estimate · modelled

US EPA AQI20:00 UTC+8, 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 175.

Over the next 24 hours the model expects the AQI to range from 104 around 05:00 to 168 around 20:00 (4 Nov).

107th most polluted of 849 cities worldwide right now, 11th of 25 in China.

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

21:00 · 214 22:00 · 230 23:00 · 232 00:00 · 220 01:00 · 205 02:00 · 195 03:00 · 189 04:00 · 183 05:00 · 175 06:00 · 170 07:00 · 169 08:00 · 172 09:00 · 175 10:00 · 177 11:00 · 176 12:00 · 172 13:00 · 170 14:00 · 167 15:00 · 161 16:00 · 153 17:00 · 141 18:00 · 139 19:00 · 140 20:00 · 146 21:00 · 148 22:00 · 144 23:00 · 139 00:00 · 129 01:00 · 118 02:00 · 113 03:00 · 109 04:00 · 105 05:00 · 104 06:00 · 104 07:00 · 110 08:00 · 115 09:00 · 117 10:00 · 115 11:00 · 114 12:00 · 114 13:00 · 115 14:00 · 115 15:00 · 113 16:00 · 113 17:00 · 117 18:00 · 155 19:00 · 164 20:00 · 168 21:00 · 170 22:00 · 170 23:00 · 168 00:00 · 164 01:00 · 162 02:00 · 162 03:00 · 164 04:00 · 167 05:00 · 169 06:00 · 172 07:00 · 181 08:00 · 191 09:00 · 194 10:00 · 188 11:00 · 179 12:00 · 168 13:00 · 160 14:00 · 156 15:00 · 154 Now

US EPA AQI per hour, UTC+8. 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 21:00214
Mon 22:00230
Mon 23:00232
Tue 00:00220
Tue 01:00205
Tue 02:00195
Tue 03:00189
Tue 04:00183
Tue 05:00175
Tue 06:00170
Tue 07:00169
Tue 08:00172
Tue 09:00175
Tue 10:00177
Tue 11:00176
Tue 12:00172
Tue 13:00170
Tue 14:00167
Tue 15:00161
Tue 16:00153
Tue 17:00141
Tue 18:00139
Tue 19:00140
Tue 20:00 · Now146
Tue 21:00 · Forecast148
Tue 22:00 · Forecast144
Tue 23:00 · Forecast139
Wed 00:00 · Forecast129
Wed 01:00 · Forecast118
Wed 02:00 · Forecast113
Wed 03:00 · Forecast109
Wed 04:00 · Forecast105
Wed 05:00 · Forecast104
Wed 06:00 · Forecast104
Wed 07:00 · Forecast110
Wed 08:00 · Forecast115
Wed 09:00 · Forecast117
Wed 10:00 · Forecast115
Wed 11:00 · Forecast114
Wed 12:00 · Forecast114
Wed 13:00 · Forecast115
Wed 14:00 · Forecast115
Wed 15:00 · Forecast113
Wed 16:00 · Forecast113
Wed 17:00 · Forecast117
Wed 18:00 · Forecast155
Wed 19:00 · Forecast164
Wed 20:00 · Forecast168
Wed 21:00 · Forecast170
Wed 22:00 · Forecast170
Wed 23:00 · Forecast168
Thu 00:00 · Forecast164
Thu 01:00 · Forecast162
Thu 02:00 · Forecast162
Thu 03:00 · Forecast164
Thu 04:00 · Forecast167
Thu 05:00 · Forecast169
Thu 06:00 · Forecast172
Thu 07:00 · Forecast181
Thu 08:00 · Forecast191
Thu 09:00 · Forecast194
Thu 10:00 · Forecast188
Thu 11:00 · Forecast179
Thu 12:00 · Forecast168
Thu 13:00 · Forecast160
Thu 14:00 · Forecast156
Thu 15:00 · Forecast154

Pollutants this hour

  • PM2.5 56.6 µg/m³ 24-hour mean 90.3 µg/m³ · 6.0× WHO’s 24-hour guideline (15) 146
  • PM10 73 µg/m³ 59
  • O₃ 3 µg/m³ 8
  • NO₂ 81 µg/m³ 41
  • SO₂ 37 µg/m³ 20
  • CO 1.55 mg/m³ 11

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
Hefei Anhui 145
Nanjing Jiangsu 144
Zhengzhou Henan 106
Hangzhou Zhejiang 158
Suzhou Jiangsu 141
Xi’an Shaanxi 210
Shanghai Shanghai 149

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 Wuhan’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 Wuhan right now?
146 on the US EPA scale (Unhealthy for sensitive groups) at 20:00 UTC+8, 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 Wuhan 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 Wuhan get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 104 around 05:00 to 168 around 20:00 (4 Nov). Forecasts beyond a day are less certain.

How does Wuhan compare with other cities?
Right now it is the 107th most polluted of 849 cities we track worldwide, and 11th of 25 in China, all on the same US EPA scale.

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