Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
40
*
PM2.5
60
PM10
52
O3
0.6
CO
5
SO2
19
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
65
Good
Wed
17 Dec
86
Good
Thu
18 Dec
90
Good
Fri
19 Dec
84
Good
Sat
20 Dec
72
Good
Sun
21 Dec
16
Excellent
Mon
22 Dec
49
Excellent
Air quality in the last 12 months (Heshui)
|
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
|
|
|
2025/08
|
31
|
34
|
33
|
28
|
31
|
40
|
27
|
26
|
20
|
26
|
38
|
36
|
33
|
38
|
27
|
17
|
17
|
22
|
19
|
46
|
43
|
42
|
14
|
19
|
27
|
32
|
16
|
16
|
17
|
21
|
24
|
|
2025/07
|
24
|
17
|
15
|
20
|
22
|
27
|
21
|
20
|
20
|
26
|
30
|
35
|
35
|
32
|
40
|
36
|
28
|
34
|
43
|
22
|
24
|
31
|
22
|
18
|
16
|
16
|
20
|
28
|
30
|
26
|
32
|
|
2025/06
|
29
|
38
|
34
|
39
|
31
|
41
|
56
|
35
|
48
|
41
|
50
|
47
|
50
|
56
|
45
|
63
|
49
|
34
|
29
|
31
|
36
|
36
|
28
|
36
|
26
|
25
|
24
|
29
|
29
|
21
|
|
|
2025/05
|
107
|
121
|
57
|
82
|
279
|
288
|
110
|
88
|
101
|
50
|
43
|
49
|
54
|
79
|
61
|
90
|
272
|
79
|
56
|
54
|
58
|
92
|
49
|
50
|
31
|
28
|
39
|
45
|
45
|
64
|
33
|
|
2025/04
|
60
|
61
|
84
|
123
|
80
|
87
|
72
|
110
|
108
|
59
|
190
|
237
|
109
|
56
|
49
|
185
|
85
|
92
|
91
|
65
|
114
|
125
|
68
|
54
|
60
|
49
|
46
|
28
|
61
|
161
|
|
|
2025/03
|
85
|
45
|
36
|
39
|
53
|
47
|
73
|
70
|
63
|
59
|
294
|
255
|
78
|
41
|
82
|
39
|
42
|
38
|
39
|
52
|
57
|
62
|
117
|
232
|
109
|
312
|
167
|
111
|
54
|
62
|
59
|
|
2025/02
|
107
|
48
|
34
|
38
|
36
|
65
|
64
|
42
|
56
|
55
|
68
|
67
|
53
|
52
|
51
|
77
|
70
|
63
|
57
|
67
|
76
|
56
|
29
|
49
|
68
|
56
|
56
|
62
|
|||
|
2025/01
|
54
|
56
|
61
|
79
|
63
|
38
|
38
|
36
|
46
|
52
|
86
|
78
|
129
|
45
|
35
|
55
|
59
|
57
|
62
|
57
|
67
|
89
|
176
|
188
|
57
|
83
|
59
|
71
|
101
|
93
|
69
|
|
2024/12
|
45
|
46
|
57
|
52
|
43
|
41
|
33
|
38
|
66
|
53
|
83
|
60
|
53
|
42
|
49
|
60
|
52
|
37
|
66
|
54
|
39
|
51
|
64
|
79
|
67
|
59
|
44
|
44
|
53
|
51
|
52
|
|
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