Air Quality
Excellent
No health implications.
8
PM2.5
14
PM10
56
O3
0.4
CO
10
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Aug
66
Good
Sat
23 Aug
69
Good
Sun
24 Aug
60
Good
Mon
25 Aug
64
Good
Tue
26 Aug
72
Good
Wed
27 Aug
78
Good
Thu
28 Aug
22
Excellent
Air quality in the last 12 months (Zhangwan)
|
2025/06
|
35
|
32
|
38
|
37
|
37
|
37
|
29
|
26
|
32
|
40
|
46
|
47
|
45
|
37
|
38
|
51
|
56
|
33
|
14
|
31
|
26
|
43
|
31
|
41
|
36
|
32
|
31
|
32
|
29
|
27
|
|
|
2025/05
|
85
|
66
|
84
|
88
|
43
|
277
|
175
|
70
|
59
|
44
|
40
|
50
|
59
|
46
|
49
|
63
|
82
|
127
|
65
|
69
|
77
|
59
|
55
|
67
|
72
|
62
|
61
|
52
|
62
|
48
|
28
|
|
2025/04
|
69
|
65
|
61
|
72
|
80
|
80
|
66
|
62
|
68
|
61
|
67
|
198
|
133
|
81
|
61
|
76
|
77
|
82
|
58
|
55
|
54
|
129
|
94
|
66
|
67
|
73
|
57
|
40
|
44
|
46
|
|
|
2025/03
|
104
|
37
|
27
|
38
|
56
|
66
|
100
|
88
|
84
|
71
|
77
|
69
|
63
|
59
|
50
|
47
|
49
|
43
|
48
|
48
|
58
|
65
|
66
|
63
|
55
|
58
|
122
|
74
|
61
|
74
|
69
|
|
2025/02
|
115
|
91
|
61
|
53
|
42
|
35
|
90
|
54
|
56
|
72
|
101
|
74
|
66
|
72
|
57
|
53
|
74
|
86
|
100
|
104
|
116
|
120
|
104
|
139
|
104
|
78
|
113
|
93
|
|||
|
2025/01
|
74
|
121
|
169
|
157
|
65
|
60
|
64
|
47
|
58
|
68
|
60
|
68
|
74
|
74
|
66
|
63
|
66
|
88
|
65
|
64
|
105
|
199
|
185
|
62
|
30
|
50
|
58
|
64
|
125
|
117
|
127
|
|
2024/12
|
51
|
58
|
76
|
74
|
49
|
49
|
48
|
83
|
82
|
80
|
81
|
119
|
56
|
47
|
46
|
56
|
68
|
84
|
58
|
85
|
79
|
54
|
54
|
72
|
80
|
79
|
104
|
53
|
59
|
54
|
57
|
|
2024/11
|
45
|
39
|
38
|
44
|
57
|
70
|
76
|
79
|
76
|
51
|
60
|
59
|
63
|
32
|
37
|
23
|
17
|
29
|
36
|
29
|
29
|
42
|
76
|
61
|
29
|
37
|
44
|
42
|
44
|
50
|
|
|
2024/10
|
31
|
36
|
39
|
42
|
50
|
44
|
38
|
53
|
51
|
41
|
57
|
48
|
57
|
46
|
49
|
78
|
48
|
26
|
29
|
31
|
25
|
25
|
38
|
41
|
51
|
52
|
40
|
47
|
63
|
71
|
60
|
|
2024/09
|
41
|
43
|
46
|
54
|
30
|
31
|
45
|
48
|
51
|
51
|
39
|
37
|
36
|
41
|
34
|
40
|
29
|
25
|
30
|
27
|
20
|
23
|
34
|
43
|
43
|
53
|
64
|
59
|
58
|
13
|
|
|
2024/08
|
30
|
29
|
28
|
21
|
21
|
26
|
24
|
36
|
36
|
70
|
70
|
35
|
26
|
36
|
38
|
34
|
36
|
30
|
23
|
32
|
19
|
33
|
47
|
55
|
40
|
39
|
22
|
26
|
35
|
40
|
39
|
|
2024/07
|
29
|
26
|
43
|
20
|
35
|
18
|
33
|
35
|
22
|
41
|
38
|
18
|
32
|
30
|
21
|
22
|
28
|
29
|
19
|
34
|
36
|
34
|
37
|
41
|
37
|
48
|
27
|
27
|
17
|
18
|
18
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution