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Air quality · Shandong, China

Weifang Air Quality Index (AQI) today

Modelled estimate for 19:00 local time (UTC+8), refreshed 3 Nov, 07:52 UTC+0.

154 Unhealthy

Live estimate · modelled

US EPA AQI19:00 UTC+8, 3 Nov Main pollutant: PM2.5

Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.

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 168.

Over the next 24 hours the model expects the AQI to range from 80 around 15:00 to 157 around 22:00 (3 Nov).

90th most polluted of 849 cities worldwide right now, 8th of 25 in China.

What to do today

  • Long walk or run outside Shorten it, take breaks
  • Kids playing outside Limit it
  • Airing the house Open briefly
  • Mask outdoors N95 if outside for long

Based on the US EPA’s health statement: “Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.” General guidance, not medical advice.

Last 24 hours and next 48

Past hours Forecast

20:00 · 189 21:00 · 193 22:00 · 192 23:00 · 186 00:00 · 180 01:00 · 175 02:00 · 172 03:00 · 170 04:00 · 169 05:00 · 169 06:00 · 171 07:00 · 175 08:00 · 176 09:00 · 176 10:00 · 175 11:00 · 172 12:00 · 164 13:00 · 154 14:00 · 142 15:00 · 134 16:00 · 134 17:00 · 142 18:00 · 151 19:00 · 154 20:00 · 155 21:00 · 156 22:00 · 157 23:00 · 156 00:00 · 155 01:00 · 154 02:00 · 152 03:00 · 151 04:00 · 144 05:00 · 135 06:00 · 130 07:00 · 128 08:00 · 127 09:00 · 126 10:00 · 123 11:00 · 111 12:00 · 95 13:00 · 87 14:00 · 82 15:00 · 80 16:00 · 81 17:00 · 86 18:00 · 91 19:00 · 96 20:00 · 100 21:00 · 107 22:00 · 117 23:00 · 128 00:00 · 136 01:00 · 148 02:00 · 155 03:00 · 159 04:00 · 159 05:00 · 156 06:00 · 152 07:00 · 152 08:00 · 158 09:00 · 158 10:00 · 157 11:00 · 154 12:00 · 149 13:00 · 133 14:00 · 123 15:00 · 121 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 20:00189
Mon 21:00193
Mon 22:00192
Mon 23:00186
Tue 00:00180
Tue 01:00175
Tue 02:00172
Tue 03:00170
Tue 04:00169
Tue 05:00169
Tue 06:00171
Tue 07:00175
Tue 08:00176
Tue 09:00176
Tue 10:00175
Tue 11:00172
Tue 12:00164
Tue 13:00154
Tue 14:00142
Tue 15:00134
Tue 16:00134
Tue 17:00142
Tue 18:00151
Tue 19:00 · Now154
Tue 20:00 · Forecast155
Tue 21:00 · Forecast156
Tue 22:00 · Forecast157
Tue 23:00 · Forecast156
Wed 00:00 · Forecast155
Wed 01:00 · Forecast154
Wed 02:00 · Forecast152
Wed 03:00 · Forecast151
Wed 04:00 · Forecast144
Wed 05:00 · Forecast135
Wed 06:00 · Forecast130
Wed 07:00 · Forecast128
Wed 08:00 · Forecast127
Wed 09:00 · Forecast126
Wed 10:00 · Forecast123
Wed 11:00 · Forecast111
Wed 12:00 · Forecast95
Wed 13:00 · Forecast87
Wed 14:00 · Forecast82
Wed 15:00 · Forecast80
Wed 16:00 · Forecast81
Wed 17:00 · Forecast86
Wed 18:00 · Forecast91
Wed 19:00 · Forecast96
Wed 20:00 · Forecast100
Wed 21:00 · Forecast107
Wed 22:00 · Forecast117
Wed 23:00 · Forecast128
Thu 00:00 · Forecast136
Thu 01:00 · Forecast148
Thu 02:00 · Forecast155
Thu 03:00 · Forecast159
Thu 04:00 · Forecast159
Thu 05:00 · Forecast156
Thu 06:00 · Forecast152
Thu 07:00 · Forecast152
Thu 08:00 · Forecast158
Thu 09:00 · Forecast158
Thu 10:00 · Forecast157
Thu 11:00 · Forecast154
Thu 12:00 · Forecast149
Thu 13:00 · Forecast133
Thu 14:00 · Forecast123
Thu 15:00 · Forecast121

Pollutants this hour

  • PM2.5 62.4 µg/m³ 24-hour mean 79.7 µg/m³ · 5.3× WHO’s 24-hour guideline (15) 154
  • PM10 82 µg/m³ 64
  • O₃ 8 µg/m³ 19
  • NO₂ 75 µg/m³ 37
  • SO₂ 16 µg/m³ 9
  • CO 0.68 mg/m³ 5

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
Qingdao Shandong 124
Jinan Shandong 156
Yantai Shandong 139
Tianjin Tianjin 176
Dalian Liaoning 157
Beijing Beijing 284
Nanjing Jiangsu 142

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 Weifang’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 Weifang right now?
154 on the US EPA scale (Unhealthy) at 19:00 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 Weifang today?
Consider shortening outdoor exercise; sensitive groups should move it indoors. The EPA’s statement for “Unhealthy”: Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects. General guidance, not medical advice.

Will the air in Weifang get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 80 around 15:00 to 157 around 22:00 (3 Nov). Forecasts beyond a day are less certain.

How does Weifang compare with other cities?
Right now it is the 90th most polluted of 849 cities we track worldwide, and 8th of 25 in China, all on the same US EPA scale.

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