Air Quality
Excellent
No health implications.
23
PM2.5
50
PM10
108
O3
0.5
CO
11
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Nov
133
Light
Sun
16 Nov
62
Good
Mon
17 Nov
60
Good
Tue
18 Nov
65
Good
Wed
19 Nov
80
Good
Thu
20 Nov
81
Good
Fri
21 Nov
17
Excellent
Air quality in the last 12 months (Heshun)
|
2025/10
|
56
|
24
|
43
|
50
|
39
|
12
|
30
|
15
|
7
|
7
|
23
|
19
|
27
|
37
|
52
|
59
|
20
|
17
|
44
|
34
|
46
|
57
|
68
|
100
|
79
|
76
|
51
|
90
|
92
|
115
|
97
|
|
2025/09
|
45
|
47
|
25
|
36
|
32
|
46
|
59
|
65
|
48
|
52
|
47
|
30
|
47
|
56
|
60
|
44
|
14
|
22
|
17
|
45
|
39
|
19
|
36
|
48
|
43
|
44
|
38
|
60
|
59
|
59
|
|
|
2025/08
|
40
|
44
|
45
|
34
|
33
|
32
|
40
|
47
|
15
|
26
|
44
|
47
|
38
|
49
|
34
|
16
|
31
|
32
|
41
|
27
|
27
|
35
|
19
|
19
|
28
|
38
|
35
|
25
|
33
|
37
|
47
|
|
2025/07
|
23
|
29
|
17
|
27
|
16
|
26
|
29
|
36
|
31
|
37
|
54
|
50
|
46
|
56
|
56
|
44
|
41
|
44
|
48
|
38
|
23
|
35
|
26
|
25
|
30
|
39
|
37
|
40
|
23
|
29
|
35
|
|
2025/06
|
74
|
54
|
32
|
35
|
54
|
54
|
64
|
56
|
56
|
36
|
57
|
51
|
59
|
35
|
19
|
17
|
32
|
40
|
42
|
40
|
33
|
38
|
36
|
36
|
44
|
29
|
42
|
27
|
34
|
44
|
|
|
2025/05
|
47
|
72
|
37
|
54
|
148
|
62
|
70
|
68
|
31
|
32
|
34
|
46
|
73
|
49
|
46
|
65
|
126
|
62
|
66
|
67
|
80
|
61
|
45
|
38
|
46
|
55
|
50
|
49
|
51
|
55
|
46
|
|
2025/04
|
55
|
35
|
71
|
92
|
52
|
70
|
92
|
68
|
66
|
48
|
125
|
149
|
55
|
28
|
42
|
121
|
200
|
86
|
57
|
76
|
64
|
44
|
76
|
40
|
65
|
71
|
61
|
41
|
49
|
94
|
|
|
2025/03
|
154
|
69
|
40
|
47
|
70
|
50
|
68
|
69
|
77
|
92
|
99
|
159
|
109
|
92
|
57
|
21
|
35
|
38
|
41
|
37
|
38
|
54
|
116
|
264
|
257
|
123
|
141
|
171
|
38
|
48
|
52
|
|
2025/02
|
134
|
99
|
39
|
36
|
32
|
99
|
42
|
27
|
49
|
69
|
96
|
62
|
49
|
61
|
64
|
69
|
55
|
60
|
64
|
79
|
112
|
85
|
32
|
48
|
53
|
66
|
84
|
88
|
|||
|
2025/01
|
83
|
73
|
57
|
68
|
74
|
40
|
39
|
38
|
31
|
47
|
54
|
39
|
75
|
53
|
45
|
42
|
62
|
67
|
54
|
62
|
75
|
70
|
73
|
63
|
98
|
65
|
23
|
29
|
73
|
133
|
101
|
|
2024/12
|
55
|
48
|
57
|
64
|
38
|
39
|
33
|
38
|
65
|
67
|
71
|
119
|
81
|
53
|
45
|
49
|
57
|
44
|
61
|
70
|
38
|
51
|
60
|
81
|
90
|
59
|
58
|
42
|
55
|
73
|
68
|
|
2024/11
|
51
|
63
|
64
|
33
|
48
|
61
|
92
|
143
|
174
|
151
|
158
|
144
|
89
|
59
|
73
|
64
|
55
|
59
|
56
|
56
|
61
|
61
|
87
|
104
|
48
|
37
|
53
|
37
|
37
|
51
|
|
|
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