Air Quality
Excellent
No health implications.
35
PM2.5
44
PM10
3
O3
0.9
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Feb
87
Good
Thu
12 Feb
88
Good
Fri
13 Feb
81
Good
Sat
14 Feb
71
Good
Sun
15 Feb
74
Good
Mon
16 Feb
37
Excellent
Tue
17 Feb
26
Excellent
Air quality in the last 12 months (Guzhang)
|
2026/01
|
34
|
61
|
75
|
52
|
64
|
56
|
57
|
58
|
65
|
81
|
75
|
86
|
90
|
97
|
85
|
86
|
87
|
145
|
41
|
33
|
57
|
67
|
75
|
79
|
67
|
45
|
78
|
81
|
57
|
24
|
57
|
|
2025/12
|
59
|
88
|
73
|
57
|
56
|
55
|
60
|
59
|
67
|
86
|
79
|
141
|
27
|
44
|
51
|
56
|
64
|
76
|
80
|
73
|
32
|
58
|
30
|
48
|
57
|
59
|
60
|
62
|
88
|
113
|
75
|
|
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
|
|||
|
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