Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
87
O3
0.6
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
58
Good
Wed
22 Apr
79
Good
Thu
23 Apr
54
Good
Fri
24 Apr
67
Good
Sat
25 Apr
69
Good
Sun
26 Apr
86
Good
Mon
27 Apr
32
Excellent
Air quality in the last 12 months (Heshui)
|
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
|
|
|
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
|
|
|
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