Air Quality
Excellent
No health implications.
8
PM2.5
14
PM10
18
O3
0.5
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Dec
85
Good
Wed
24 Dec
75
Good
Thu
25 Dec
73
Good
Fri
26 Dec
73
Good
Sat
27 Dec
82
Good
Sun
28 Dec
88
Good
Mon
29 Dec
47
Excellent
Air quality in the last 12 months (Guzhang)
|
2025/11
|
29
|
26
|
18
|
24
|
29
|
22
|
14
|
11
|
15
|
28
|
44
|
40
|
36
|
45
|
48
|
48
|
44
|
20
|
29
|
29
|
34
|
39
|
47
|
36
|
51
|
46
|
49
|
51
|
56
|
51
|
|
|
2025/10
|
29
|
28
|
24
|
25
|
38
|
32
|
32
|
41
|
39
|
33
|
43
|
50
|
21
|
16
|
27
|
17
|
17
|
8
|
9
|
9
|
8
|
28
|
34
|
37
|
53
|
40
|
33
|
35
|
44
|
43
|
32
|
|
2025/09
|
27
|
28
|
29
|
23
|
30
|
32
|
30
|
33
|
14
|
13
|
16
|
20
|
20
|
19
|
22
|
27
|
27
|
15
|
13
|
12
|
26
|
29
|
21
|
22
|
20
|
17
|
21
|
26
|
25
|
23
|
|
|
2025/08
|
30
|
32
|
30
|
30
|
32
|
28
|
17
|
15
|
24
|
25
|
21
|
12
|
14
|
19
|
13
|
17
|
24
|
30
|
20
|
15
|
16
|
19
|
23
|
24
|
23
|
24
|
25
|
24
|
28
|
29
|
23
|
|
2025/07
|
16
|
16
|
14
|
15
|
20
|
22
|
29
|
31
|
32
|
26
|
33
|
35
|
30
|
25
|
21
|
20
|
24
|
29
|
29
|
30
|
15
|
10
|
14
|
17
|
18
|
22
|
25
|
22
|
22
|
21
|
25
|
|
2025/06
|
8
|
24
|
30
|
31
|
34
|
38
|
26
|
23
|
28
|
28
|
27
|
28
|
24
|
20
|
21
|
30
|
20
|
18
|
12
|
12
|
8
|
15
|
17
|
22
|
20
|
14
|
16
|
16
|
18
|
19
|
|
|
2025/05
|
43
|
61
|
58
|
47
|
36
|
63
|
71
|
28
|
21
|
24
|
33
|
41
|
44
|
60
|
39
|
27
|
37
|
41
|
46
|
41
|
33
|
25
|
38
|
54
|
48
|
36
|
31
|
19
|
28
|
28
|
27
|
|
2025/04
|
48
|
53
|
55
|
64
|
63
|
61
|
59
|
68
|
62
|
52
|
60
|
49
|
178
|
109
|
83
|
71
|
63
|
62
|
28
|
44
|
43
|
41
|
49
|
40
|
51
|
43
|
31
|
37
|
47
|
24
|
|
|
2025/03
|
55
|
54
|
12
|
24
|
29
|
32
|
38
|
33
|
39
|
47
|
53
|
60
|
62
|
39
|
24
|
44
|
50
|
32
|
33
|
40
|
44
|
59
|
53
|
52
|
56
|
69
|
97
|
80
|
57
|
37
|
54
|
|
2025/02
|
39
|
26
|
51
|
54
|
63
|
65
|
68
|
90
|
57
|
52
|
60
|
76
|
64
|
50
|
46
|
52
|
37
|
37
|
37
|
62
|
106
|
41
|
65
|
93
|
65
|
42
|
43
|
52
|
|||
|
2025/01
|
101
|
125
|
128
|
161
|
119
|
86
|
65
|
56
|
58
|
74
|
85
|
78
|
101
|
98
|
85
|
72
|
93
|
105
|
96
|
86
|
105
|
148
|
167
|
124
|
18
|
29
|
49
|
89
|
197
|
113
|
63
|
|
2024/12
|
49
|
60
|
82
|
74
|
31
|
37
|
49
|
40
|
51
|
43
|
50
|
66
|
81
|
64
|
60
|
58
|
70
|
76
|
76
|
93
|
104
|
75
|
61
|
78
|
86
|
96
|
93
|
107
|
132
|
152
|
98
|
|
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