Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
54
PM2.5
208
*
PM10
28
O3
0.6
CO
77
SO2
37
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
12 Mar
161
Moderate
Thu
13 Mar
103
Light
Fri
14 Mar
101
Light
Sat
15 Mar
74
Good
Sun
16 Mar
63
Good
Mon
17 Mar
75
Good
Tue
18 Mar
45
Excellent
Air quality in the last 12 months (Chencang)
|
2025/01
|
107
|
84
|
113
|
115
|
82
|
87
|
82
|
80
|
71
|
79
|
74
|
98
|
105
|
76
|
65
|
78
|
108
|
119
|
113
|
116
|
159
|
218
|
246
|
213
|
69
|
77
|
92
|
121
|
248
|
257
|
234
|
|
2024/12
|
67
|
79
|
109
|
83
|
66
|
75
|
67
|
56
|
68
|
95
|
115
|
108
|
52
|
66
|
83
|
98
|
101
|
91
|
125
|
150
|
104
|
85
|
96
|
100
|
112
|
135
|
75
|
71
|
110
|
78
|
88
|
|
2024/11
|
104
|
49
|
80
|
74
|
83
|
125
|
161
|
176
|
176
|
143
|
126
|
192
|
152
|
68
|
81
|
50
|
34
|
25
|
72
|
53
|
63
|
103
|
155
|
94
|
39
|
63
|
72
|
73
|
67
|
68
|
|
|
2024/10
|
35
|
42
|
60
|
72
|
105
|
88
|
56
|
131
|
74
|
49
|
68
|
126
|
116
|
72
|
55
|
88
|
115
|
57
|
41
|
34
|
34
|
29
|
53
|
95
|
120
|
56
|
48
|
46
|
84
|
132
|
117
|
|
2024/09
|
44
|
50
|
47
|
43
|
24
|
42
|
22
|
43
|
30
|
40
|
52
|
50
|
33
|
25
|
56
|
44
|
55
|
54
|
44
|
38
|
24
|
38
|
57
|
72
|
66
|
62
|
105
|
96
|
42
|
30
|
|
|
2024/08
|
38
|
43
|
24
|
29
|
37
|
46
|
28
|
35
|
43
|
74
|
58
|
44
|
40
|
48
|
20
|
28
|
33
|
25
|
31
|
39
|
30
|
44
|
52
|
61
|
70
|
29
|
28
|
43
|
46
|
50
|
44
|
|
2024/07
|
24
|
30
|
28
|
26
|
25
|
34
|
28
|
25
|
26
|
41
|
26
|
29
|
31
|
36
|
46
|
31
|
12
|
24
|
34
|
26
|
35
|
39
|
28
|
57
|
74
|
64
|
60
|
50
|
36
|
25
|
39
|
|
2024/06
|
63
|
45
|
50
|
38
|
43
|
65
|
45
|
31
|
32
|
41
|
40
|
42
|
46
|
50
|
58
|
36
|
29
|
29
|
37
|
42
|
19
|
32
|
40
|
42
|
60
|
52
|
31
|
37
|
41
|
41
|
|
|
2024/05
|
46
|
64
|
40
|
45
|
38
|
55
|
59
|
71
|
39
|
51
|
73
|
61
|
65
|
62
|
76
|
57
|
61
|
53
|
27
|
38
|
41
|
47
|
49
|
52
|
49
|
36
|
52
|
72
|
58
|
55
|
68
|
|
2024/04
|
91
|
86
|
78
|
108
|
96
|
89
|
65
|
63
|
72
|
26
|
50
|
63
|
58
|
54
|
83
|
82
|
73
|
91
|
183
|
147
|
106
|
76
|
280
|
158
|
76
|
56
|
61
|
66
|
50
|
28
|
|
|
2024/03
|
71
|
55
|
82
|
118
|
102
|
74
|
109
|
89
|
87
|
89
|
71
|
73
|
66
|
91
|
97
|
189
|
123
|
86
|
115
|
109
|
94
|
99
|
123
|
55
|
46
|
82
|
92
|
67
|
54
|
70
|
89
|
|
2024/02
|
207
|
92
|
120
|
119
|
121
|
134
|
160
|
153
|
157
|
167
|
110
|
138
|
145
|
85
|
64
|
84
|
98
|
376
|
389
|
106
|
50
|
86
|
104
|
139
|
147
|
147
|
139
|
162
|
116
|
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1
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24
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25
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26
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27
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28
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29
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30
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31
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- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution