Air Quality
Excellent
No health implications.
11
PM2.5
17
PM10
49
O3
0.4
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Nov
50
Excellent
Fri
28 Nov
76
Good
Sat
29 Nov
87
Good
Sun
30 Nov
56
Good
Mon
1 Dec
54
Good
Tue
2 Dec
57
Good
Wed
3 Dec
17
Excellent
Air quality in the last 12 months (Hongwei)
|
2025/10
|
42
|
43
|
44
|
47
|
49
|
37
|
41
|
44
|
47
|
60
|
68
|
63
|
74
|
74
|
92
|
53
|
83
|
37
|
43
|
41
|
54
|
62
|
66
|
76
|
90
|
73
|
50
|
60
|
61
|
54
|
68
|
|
2025/09
|
42
|
47
|
31
|
41
|
31
|
25
|
37
|
41
|
42
|
45
|
44
|
40
|
45
|
41
|
26
|
30
|
34
|
43
|
33
|
36
|
49
|
44
|
25
|
29
|
38
|
42
|
58
|
38
|
44
|
36
|
|
|
2025/08
|
27
|
18
|
25
|
22
|
16
|
22
|
24
|
30
|
28
|
31
|
32
|
25
|
26
|
39
|
25
|
21
|
31
|
28
|
30
|
15
|
16
|
24
|
27
|
28
|
24
|
28
|
36
|
17
|
39
|
34
|
27
|
|
2025/07
|
15
|
17
|
10
|
13
|
23
|
24
|
40
|
30
|
34
|
40
|
30
|
39
|
21
|
29
|
38
|
34
|
27
|
37
|
20
|
15
|
33
|
19
|
12
|
16
|
26
|
32
|
31
|
34
|
29
|
18
|
35
|
|
2025/06
|
49
|
49
|
31
|
15
|
60
|
30
|
18
|
35
|
33
|
23
|
30
|
34
|
18
|
36
|
28
|
21
|
29
|
28
|
27
|
19
|
30
|
32
|
38
|
42
|
47
|
50
|
32
|
21
|
26
|
16
|
|
|
2025/05
|
20
|
33
|
38
|
33
|
23
|
36
|
52
|
39
|
62
|
49
|
60
|
74
|
53
|
53
|
56
|
27
|
22
|
32
|
35
|
40
|
52
|
70
|
38
|
41
|
45
|
39
|
29
|
38
|
39
|
42
|
39
|
|
2025/04
|
83
|
52
|
60
|
48
|
42
|
52
|
58
|
73
|
73
|
54
|
43
|
22
|
26
|
25
|
52
|
32
|
53
|
47
|
41
|
36
|
34
|
28
|
49
|
58
|
56
|
52
|
49
|
65
|
56
|
46
|
|
|
2025/03
|
78
|
39
|
35
|
74
|
78
|
93
|
63
|
67
|
85
|
87
|
46
|
82
|
58
|
57
|
51
|
51
|
59
|
71
|
51
|
55
|
64
|
80
|
85
|
72
|
83
|
120
|
58
|
31
|
28
|
33
|
59
|
|
2025/02
|
156
|
176
|
62
|
39
|
41
|
63
|
51
|
49
|
63
|
56
|
54
|
50
|
68
|
69
|
90
|
48
|
28
|
28
|
43
|
40
|
51
|
52
|
45
|
53
|
88
|
59
|
85
|
119
|
|||
|
2025/01
|
44
|
55
|
57
|
44
|
155
|
128
|
78
|
42
|
33
|
75
|
91
|
109
|
86
|
64
|
44
|
53
|
62
|
48
|
73
|
93
|
86
|
78
|
95
|
123
|
136
|
159
|
121
|
52
|
147
|
101
|
120
|
|
2024/12
|
35
|
20
|
29
|
34
|
47
|
33
|
43
|
48
|
57
|
83
|
50
|
68
|
68
|
67
|
50
|
60
|
28
|
54
|
59
|
74
|
47
|
52
|
48
|
63
|
82
|
46
|
49
|
63
|
54
|
78
|
51
|
|
2024/11
|
86
|
90
|
53
|
28
|
26
|
40
|
35
|
44
|
43
|
41
|
53
|
49
|
28
|
24
|
30
|
25
|
24
|
26
|
31
|
77
|
53
|
49
|
78
|
52
|
43
|
16
|
30
|
44
|
48
|
54
|
|
|
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