Air Quality
Excellent
No health implications.
19
PM2.5
40
PM10
20
O3
0.5
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Sep
54
Good
Mon
8 Sep
51
Good
Tue
9 Sep
51
Good
Wed
10 Sep
51
Good
Thu
11 Sep
55
Good
Fri
12 Sep
21
Excellent
Sat
13 Sep
25
Excellent
Air quality in the last 12 months (Hanyuan)
|
2025/08
|
31
|
33
|
33
|
35
|
34
|
24
|
21
|
28
|
19
|
14
|
13
|
22
|
28
|
28
|
28
|
31
|
23
|
16
|
17
|
25
|
17
|
16
|
20
|
15
|
17
|
22
|
24
|
15
|
10
|
13
|
15
|
|
2025/07
|
24
|
19
|
17
|
17
|
10
|
15
|
16
|
24
|
21
|
23
|
15
|
20
|
31
|
30
|
33
|
37
|
37
|
34
|
20
|
19
|
15
|
18
|
20
|
17
|
18
|
12
|
18
|
23
|
25
|
26
|
28
|
|
2025/06
|
13
|
13
|
24
|
31
|
36
|
34
|
35
|
20
|
23
|
28
|
29
|
35
|
38
|
33
|
27
|
32
|
32
|
23
|
10
|
19
|
18
|
21
|
21
|
11
|
15
|
17
|
23
|
27
|
21
|
18
|
|
|
2025/05
|
30
|
31
|
26
|
30
|
16
|
13
|
22
|
21
|
42
|
58
|
52
|
47
|
42
|
35
|
30
|
23
|
24
|
27
|
27
|
33
|
39
|
37
|
25
|
28
|
37
|
43
|
20
|
15
|
25
|
22
|
13
|
|
2025/04
|
28
|
37
|
49
|
45
|
12
|
22
|
33
|
40
|
41
|
46
|
44
|
66
|
65
|
58
|
54
|
58
|
44
|
43
|
40
|
45
|
40
|
41
|
46
|
21
|
30
|
28
|
25
|
23
|
19
|
21
|
|
|
2025/03
|
55
|
48
|
26
|
30
|
19
|
10
|
17
|
20
|
33
|
44
|
42
|
55
|
63
|
43
|
14
|
15
|
14
|
12
|
23
|
30
|
31
|
34
|
33
|
35
|
38
|
43
|
54
|
91
|
48
|
40
|
36
|
|
2025/02
|
25
|
19
|
25
|
36
|
30
|
21
|
18
|
20
|
25
|
28
|
34
|
27
|
41
|
44
|
33
|
45
|
48
|
42
|
28
|
29
|
26
|
17
|
21
|
23
|
18
|
23
|
53
|
39
|
|||
|
2025/01
|
64
|
64
|
65
|
102
|
69
|
78
|
52
|
33
|
30
|
45
|
20
|
42
|
44
|
47
|
50
|
50
|
54
|
41
|
54
|
53
|
76
|
85
|
94
|
46
|
17
|
28
|
49
|
31
|
48
|
59
|
34
|
|
2024/12
|
47
|
49
|
55
|
52
|
32
|
48
|
36
|
24
|
17
|
24
|
31
|
40
|
29
|
27
|
32
|
45
|
68
|
63
|
99
|
84
|
58
|
32
|
32
|
29
|
33
|
33
|
62
|
42
|
60
|
28
|
38
|
|
2024/11
|
13
|
23
|
28
|
15
|
19
|
38
|
32
|
41
|
38
|
18
|
21
|
23
|
21
|
24
|
34
|
20
|
17
|
17
|
19
|
24
|
30
|
41
|
31
|
21
|
13
|
25
|
23
|
25
|
31
|
42
|
|
|
2024/10
|
12
|
20
|
17
|
21
|
19
|
20
|
21
|
32
|
26
|
12
|
19
|
18
|
22
|
29
|
35
|
37
|
16
|
27
|
17
|
18
|
17
|
19
|
26
|
38
|
26
|
15
|
13
|
22
|
40
|
31
|
29
|
|
2024/09
|
16
|
18
|
18
|
21
|
13
|
18
|
20
|
28
|
21
|
14
|
20
|
24
|
24
|
23
|
23
|
13
|
22
|
25
|
30
|
32
|
20
|
24
|
26
|
32
|
26
|
31
|
39
|
46
|
36
|
9
|
|
|
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