Air Quality
Excellent
No health implications.
3
PM2.5
10
PM10
45
O3
0.6
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
46
Excellent
Thu
23 Apr
47
Excellent
Fri
24 Apr
51
Good
Sat
25 Apr
74
Good
Sun
26 Apr
72
Good
Mon
27 Apr
53
Good
Tue
28 Apr
47
Excellent
Air quality in the last 12 months (Hengfeng)
|
2026/03
|
21
|
20
|
26
|
67
|
59
|
51
|
61
|
57
|
62
|
52
|
49
|
53
|
53
|
61
|
63
|
77
|
60
|
36
|
25
|
40
|
46
|
50
|
22
|
23
|
47
|
45
|
39
|
42
|
44
|
35
|
23
|
|
2026/02
|
27
|
45
|
57
|
62
|
80
|
44
|
16
|
39
|
42
|
53
|
54
|
63
|
68
|
51
|
42
|
30
|
66
|
71
|
60
|
41
|
40
|
53
|
89
|
50
|
25
|
23
|
19
|
17
|
|||
|
2026/01
|
30
|
28
|
53
|
67
|
48
|
47
|
54
|
51
|
54
|
57
|
60
|
60
|
65
|
60
|
61
|
70
|
73
|
85
|
69
|
20
|
35
|
51
|
65
|
69
|
64
|
75
|
38
|
49
|
79
|
38
|
15
|
|
2025/12
|
59
|
91
|
57
|
56
|
58
|
69
|
77
|
76
|
66
|
58
|
70
|
71
|
40
|
41
|
51
|
56
|
63
|
99
|
89
|
71
|
72
|
43
|
42
|
36
|
33
|
53
|
53
|
55
|
57
|
63
|
63
|
|
2025/11
|
42
|
43
|
57
|
31
|
30
|
38
|
40
|
34
|
19
|
37
|
44
|
23
|
38
|
47
|
62
|
67
|
58
|
31
|
36
|
41
|
48
|
58
|
59
|
56
|
70
|
79
|
80
|
78
|
64
|
59
|
|
|
2025/10
|
42
|
40
|
38
|
43
|
36
|
32
|
39
|
50
|
40
|
38
|
40
|
45
|
57
|
54
|
56
|
50
|
38
|
40
|
17
|
23
|
26
|
24
|
32
|
33
|
38
|
60
|
49
|
42
|
39
|
39
|
36
|
|
2025/09
|
24
|
32
|
32
|
32
|
41
|
33
|
33
|
28
|
25
|
22
|
21
|
24
|
27
|
23
|
34
|
30
|
30
|
29
|
26
|
30
|
24
|
30
|
29
|
20
|
27
|
27
|
36
|
42
|
46
|
46
|
|
|
2025/08
|
37
|
41
|
31
|
29
|
22
|
21
|
22
|
23
|
26
|
35
|
38
|
35
|
27
|
19
|
17
|
20
|
22
|
22
|
29
|
22
|
23
|
22
|
21
|
33
|
33
|
27
|
22
|
21
|
24
|
25
|
31
|
|
2025/07
|
23
|
28
|
32
|
36
|
32
|
30
|
30
|
30
|
23
|
19
|
27
|
21
|
18
|
27
|
36
|
35
|
45
|
36
|
24
|
20
|
15
|
16
|
23
|
21
|
29
|
25
|
18
|
23
|
20
|
28
|
24
|
|
2025/06
|
37
|
22
|
21
|
38
|
37
|
36
|
38
|
32
|
30
|
25
|
19
|
27
|
27
|
24
|
16
|
26
|
32
|
18
|
22
|
19
|
17
|
17
|
16
|
17
|
29
|
30
|
31
|
26
|
29
|
34
|
|
|
2025/05
|
46
|
47
|
57
|
56
|
32
|
46
|
76
|
45
|
23
|
42
|
39
|
44
|
44
|
45
|
58
|
35
|
27
|
27
|
32
|
26
|
23
|
29
|
15
|
50
|
62
|
62
|
55
|
43
|
21
|
27
|
40
|
|
2025/04
|
40
|
48
|
57
|
60
|
56
|
62
|
61
|
60
|
62
|
46
|
49
|
131
|
143
|
98
|
67
|
53
|
58
|
59
|
32
|
33
|
34
|
20
|
27
|
34
|
21
|
31
|
24
|
38
|
58
|
55
|
|
|
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