Air Quality
Excellent
No health implications.
12
PM2.5
21
PM10
52
O3
0.4
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jan
75
Good
Mon
19 Jan
52
Good
Tue
20 Jan
52
Good
Wed
21 Jan
54
Good
Thu
22 Jan
53
Good
Fri
23 Jan
28
Excellent
Sat
24 Jan
42
Excellent
Air quality in the last 12 months (Gannan Prefecture)
|
2025/11
|
49
|
38
|
62
|
55
|
74
|
42
|
29
|
106
|
34
|
24
|
30
|
33
|
35
|
31
|
67
|
39
|
29
|
36
|
40
|
36
|
37
|
48
|
54
|
40
|
41
|
47
|
29
|
50
|
76
|
39
|
|
|
2025/10
|
29
|
35
|
54
|
26
|
26
|
28
|
36
|
25
|
35
|
39
|
37
|
21
|
27
|
27
|
29
|
33
|
25
|
21
|
21
|
19
|
29
|
30
|
40
|
54
|
54
|
29
|
28
|
35
|
113
|
38
|
66
|
|
2025/09
|
21
|
29
|
38
|
46
|
45
|
32
|
26
|
21
|
24
|
22
|
23
|
31
|
28
|
24
|
29
|
18
|
22
|
24
|
30
|
25
|
29
|
36
|
41
|
21
|
23
|
29
|
32
|
35
|
35
|
39
|
|
|
2025/08
|
21
|
19
|
19
|
22
|
29
|
23
|
19
|
24
|
16
|
16
|
15
|
17
|
21
|
27
|
25
|
16
|
22
|
20
|
25
|
21
|
27
|
15
|
20
|
21
|
26
|
22
|
27
|
26
|
32
|
21
|
25
|
|
2025/07
|
26
|
24
|
23
|
36
|
23
|
27
|
20
|
20
|
22
|
37
|
33
|
16
|
21
|
23
|
28
|
17
|
15
|
23
|
22
|
20
|
24
|
29
|
35
|
30
|
25
|
27
|
22
|
25
|
17
|
25
|
22
|
|
2025/06
|
28
|
30
|
20
|
21
|
24
|
18
|
18
|
24
|
14
|
23
|
22
|
33
|
27
|
30
|
31
|
25
|
21
|
31
|
21
|
19
|
18
|
30
|
41
|
41
|
44
|
29
|
42
|
34
|
32
|
29
|
|
|
2025/05
|
30
|
21
|
23
|
20
|
21
|
27
|
35
|
50
|
48
|
40
|
60
|
75
|
65
|
47
|
68
|
75
|
27
|
35
|
31
|
36
|
31
|
28
|
35
|
40
|
43
|
48
|
45
|
61
|
62
|
64
|
38
|
|
2025/04
|
62
|
53
|
58
|
88
|
79
|
43
|
61
|
43
|
66
|
117
|
61
|
13
|
15
|
26
|
24
|
40
|
43
|
24
|
28
|
74
|
100
|
22
|
32
|
21
|
23
|
34
|
51
|
31
|
97
|
27
|
|
|
2025/03
|
24
|
32
|
37
|
52
|
89
|
54
|
52
|
44
|
83
|
100
|
54
|
26
|
22
|
21
|
27
|
25
|
36
|
32
|
58
|
24
|
28
|
28
|
114
|
24
|
31
|
43
|
14
|
21
|
24
|
30
|
51
|
|
2025/02
|
55
|
118
|
56
|
23
|
38
|
43
|
17
|
18
|
24
|
40
|
71
|
59
|
41
|
37
|
28
|
30
|
23
|
22
|
25
|
30
|
35
|
34
|
29
|
41
|
38
|
26
|
42
|
27
|
|||
|
2025/01
|
75
|
36
|
38
|
115
|
91
|
56
|
28
|
33
|
28
|
35
|
62
|
150
|
214
|
82
|
37
|
38
|
91
|
155
|
173
|
115
|
78
|
78
|
209
|
203
|
234
|
179
|
28
|
46
|
66
|
28
|
28
|
|
2024/12
|
35
|
18
|
26
|
22
|
21
|
23
|
25
|
29
|
58
|
40
|
24
|
36
|
48
|
32
|
24
|
26
|
30
|
36
|
38
|
51
|
34
|
28
|
29
|
43
|
36
|
27
|
29
|
33
|
49
|
95
|
73
|
|
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