Air Quality
Excellent
No health implications.
16
PM2.5
24
PM10
39
O3
0.5
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Oct
57
Good
Tue
27 Oct
48
Excellent
Wed
28 Oct
52
Good
Thu
29 Oct
58
Good
Fri
30 Oct
61
Good
Sat
31 Oct
30
Excellent
Sun
1 Nov
20
Excellent
Air quality in the last 12 months (Heshui)
|
2026/08
|
27
|
28
|
28
|
28
|
22
|
21
|
27
|
34
|
40
|
34
|
31
|
26
|
30
|
32
|
29
|
32
|
36
|
30
|
27
|
29
|
35
|
35
|
34
|
30
|
30
|
25
|
23
|
24
|
31
|
40
|
42
|
|
2026/07
|
39
|
41
|
35
|
36
|
34
|
37
|
39
|
41
|
40
|
39
|
25
|
28
|
33
|
36
|
30
|
25
|
33
|
71
|
49
|
47
|
44
|
39
|
38
|
40
|
38
|
33
|
23
|
23
|
23
|
28
|
22
|
|
2026/06
|
67
|
62
|
59
|
56
|
36
|
36
|
40
|
32
|
31
|
33
|
37
|
35
|
37
|
41
|
43
|
39
|
40
|
35
|
35
|
27
|
25
|
25
|
29
|
35
|
34
|
39
|
38
|
47
|
41
|
40
|
|
|
2026/05
|
34
|
40
|
35
|
34
|
38
|
55
|
44
|
38
|
45
|
69
|
66
|
56
|
37
|
43
|
88
|
27
|
23
|
33
|
35
|
37
|
47
|
56
|
45
|
29
|
35
|
62
|
71
|
46
|
43
|
39
|
51
|
|
2026/04
|
51
|
52
|
121
|
80
|
75
|
69
|
69
|
52
|
59
|
55
|
53
|
44
|
44
|
71
|
50
|
42
|
45
|
48
|
251
|
77
|
29
|
37
|
44
|
54
|
60
|
58
|
107
|
73
|
52
|
51
|
|
|
2026/03
|
22
|
26
|
38
|
54
|
62
|
51
|
47
|
59
|
44
|
54
|
52
|
82
|
383
|
57
|
64
|
59
|
58
|
103
|
90
|
86
|
83
|
91
|
77
|
70
|
71
|
59
|
59
|
47
|
45
|
44
|
49
|
|
2026/02
|
87
|
47
|
62
|
72
|
65
|
67
|
52
|
46
|
72
|
132
|
102
|
77
|
60
|
72
|
57
|
48
|
106
|
55
|
55
|
49
|
217
|
299
|
133
|
66
|
78
|
84
|
65
|
35
|
|||
|
2026/01
|
64
|
75
|
85
|
56
|
37
|
31
|
44
|
45
|
51
|
56
|
56
|
59
|
70
|
145
|
75
|
59
|
74
|
78
|
47
|
43
|
52
|
63
|
89
|
77
|
250
|
144
|
130
|
122
|
106
|
86
|
99
|
|
2025/12
|
73
|
53
|
42
|
53
|
71
|
62
|
40
|
56
|
72
|
81
|
76
|
75
|
87
|
66
|
79
|
64
|
59
|
60
|
63
|
48
|
55
|
70
|
92
|
72
|
51
|
61
|
61
|
57
|
50
|
78
|
55
|
|
2025/11
|
54
|
52
|
68
|
53
|
75
|
67
|
42
|
59
|
90
|
70
|
62
|
53
|
53
|
64
|
56
|
58
|
28
|
29
|
43
|
57
|
59
|
57
|
56
|
98
|
59
|
179
|
101
|
60
|
62
|
68
|
|
|
2025/10
|
37
|
26
|
31
|
22
|
26
|
19
|
15
|
16
|
14
|
11
|
14
|
20
|
26
|
24
|
20
|
22
|
31
|
41
|
39
|
23
|
22
|
23
|
45
|
42
|
46
|
40
|
48
|
49
|
52
|
41
|
49
|
|
2025/09
|
25
|
39
|
53
|
12
|
49
|
34
|
47
|
50
|
35
|
26
|
21
|
21
|
29
|
37
|
42
|
37
|
22
|
11
|
15
|
22
|
18
|
15
|
22
|
30
|
31
|
38
|
36
|
44
|
42
|
50
|
|
|
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