Air Quality
Excellent
No health implications.
10
PM2.5
30
PM10
143
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jun
83
Good
Sat
21 Jun
84
Good
Sun
22 Jun
79
Good
Mon
23 Jun
88
Good
Tue
24 Jun
90
Good
Wed
25 Jun
87
Good
Thu
26 Jun
36
Excellent
Air quality in the last 12 months (Heshui)
|
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
|
|
2024/11
|
42
|
34
|
47
|
42
|
54
|
69
|
81
|
81
|
83
|
68
|
77
|
60
|
39
|
33
|
59
|
52
|
38
|
29
|
36
|
46
|
59
|
51
|
83
|
52
|
42
|
53
|
60
|
54
|
36
|
37
|
|
|
2024/10
|
47
|
38
|
46
|
42
|
55
|
53
|
42
|
67
|
56
|
46
|
53
|
55
|
54
|
54
|
55
|
60
|
47
|
33
|
19
|
23
|
19
|
26
|
43
|
49
|
54
|
48
|
41
|
42
|
52
|
43
|
37
|
|
2024/09
|
47
|
32
|
31
|
35
|
24
|
36
|
27
|
31
|
39
|
40
|
39
|
32
|
26
|
28
|
40
|
34
|
35
|
33
|
29
|
32
|
24
|
34
|
49
|
59
|
44
|
56
|
65
|
60
|
30
|
43
|
|
|
2024/08
|
21
|
32
|
16
|
19
|
26
|
30
|
15
|
25
|
68
|
213
|
41
|
27
|
31
|
32
|
21
|
26
|
33
|
25
|
28
|
31
|
29
|
32
|
35
|
38
|
33
|
26
|
19
|
25
|
31
|
29
|
35
|
|
2024/07
|
26
|
32
|
23
|
21
|
57
|
37
|
27
|
30
|
30
|
32
|
25
|
31
|
41
|
40
|
34
|
13
|
18
|
21
|
20
|
16
|
116
|
24
|
14
|
86
|
71
|
42
|
43
|
35
|
21
|
23
|
35
|
|
2024/06
|
56
|
26
|
31
|
35
|
36
|
34
|
29
|
34
|
29
|
30
|
35
|
47
|
42
|
46
|
47
|
34
|
27
|
29
|
31
|
38
|
30
|
44
|
57
|
92
|
78
|
65
|
34
|
45
|
46
|
25
|
|
|
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