Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
47
O3
0.8
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Mar
74
Good
Tue
3 Mar
82
Good
Wed
4 Mar
85
Good
Thu
5 Mar
62
Good
Fri
6 Mar
66
Good
Sat
7 Mar
71
Good
Sun
8 Mar
27
Excellent
Air quality in the last 12 months (Heshui)
|
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
|
|
|
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
|
|||
|
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