Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
41
O3
0.4
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
44
Excellent
Mon
15 Jun
47
Excellent
Tue
16 Jun
55
Good
Wed
17 Jun
54
Good
Thu
18 Jun
53
Good
Fri
19 Jun
54
Good
Sat
20 Jun
26
Excellent
Air quality in the last 12 months (Changtai)
|
2026/05
|
37
|
42
|
38
|
22
|
34
|
41
|
39
|
50
|
29
|
40
|
38
|
60
|
48
|
17
|
18
|
25
|
36
|
35
|
36
|
34
|
39
|
30
|
33
|
36
|
31
|
30
|
37
|
44
|
50
|
56
|
59
|
|
2026/04
|
33
|
35
|
34
|
25
|
36
|
41
|
40
|
43
|
43
|
38
|
37
|
33
|
34
|
37
|
56
|
36
|
48
|
45
|
45
|
51
|
42
|
35
|
35
|
21
|
30
|
57
|
62
|
57
|
29
|
24
|
|
|
2026/03
|
15
|
38
|
23
|
31
|
31
|
35
|
46
|
45
|
45
|
39
|
53
|
56
|
45
|
50
|
46
|
41
|
46
|
45
|
42
|
48
|
47
|
48
|
49
|
40
|
53
|
41
|
50
|
39
|
48
|
67
|
39
|
|
2026/02
|
25
|
43
|
47
|
54
|
57
|
53
|
32
|
39
|
38
|
45
|
47
|
48
|
49
|
39
|
29
|
48
|
67
|
41
|
40
|
45
|
49
|
57
|
51
|
67
|
46
|
32
|
41
|
12
|
|||
|
2026/01
|
27
|
25
|
40
|
49
|
47
|
30
|
43
|
56
|
55
|
61
|
62
|
62
|
61
|
62
|
69
|
69
|
64
|
69
|
62
|
42
|
38
|
41
|
33
|
40
|
40
|
52
|
48
|
38
|
41
|
48
|
34
|
|
2025/12
|
47
|
51
|
44
|
47
|
46
|
44
|
50
|
53
|
50
|
46
|
48
|
53
|
38
|
34
|
51
|
51
|
56
|
58
|
65
|
54
|
63
|
33
|
41
|
52
|
24
|
29
|
33
|
42
|
46
|
49
|
51
|
|
2025/11
|
28
|
46
|
40
|
15
|
16
|
25
|
38
|
39
|
47
|
22
|
27
|
10
|
12
|
30
|
45
|
50
|
45
|
39
|
23
|
37
|
44
|
52
|
53
|
53
|
41
|
66
|
58
|
69
|
75
|
58
|
|
|
2025/10
|
43
|
28
|
36
|
37
|
30
|
28
|
36
|
34
|
33
|
33
|
34
|
37
|
32
|
36
|
28
|
34
|
39
|
33
|
25
|
18
|
12
|
13
|
22
|
24
|
25
|
37
|
46
|
35
|
20
|
35
|
40
|
|
2025/09
|
35
|
27
|
30
|
34
|
35
|
26
|
14
|
12
|
14
|
20
|
22
|
31
|
30
|
33
|
30
|
28
|
25
|
19
|
18
|
10
|
19
|
19
|
15
|
12
|
20
|
23
|
27
|
29
|
37
|
46
|
|
|
2025/08
|
24
|
26
|
19
|
14
|
14
|
24
|
31
|
36
|
25
|
14
|
14
|
24
|
21
|
12
|
18
|
20
|
24
|
20
|
17
|
18
|
24
|
21
|
28
|
25
|
27
|
18
|
17
|
24
|
22
|
25
|
31
|
|
2025/07
|
31
|
25
|
29
|
31
|
13
|
22
|
29
|
34
|
35
|
14
|
10
|
22
|
35
|
23
|
29
|
34
|
37
|
25
|
20
|
17
|
10
|
13
|
17
|
20
|
21
|
19
|
22
|
18
|
21
|
20
|
16
|
|
2025/06
|
39
|
25
|
13
|
24
|
32
|
35
|
34
|
41
|
23
|
26
|
32
|
26
|
19
|
17
|
15
|
21
|
21
|
26
|
17
|
14
|
15
|
19
|
21
|
26
|
20
|
14
|
17
|
17
|
18
|
23
|
|
|
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