Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
46
O3
0.6
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Mar
50
Excellent
Wed
11 Mar
62
Good
Thu
12 Mar
74
Good
Fri
13 Mar
64
Good
Sat
14 Mar
37
Excellent
Sun
15 Mar
37
Excellent
Mon
16 Mar
18
Excellent
Hejiang Air quality rank
Air quality in the last 12 months (Hejiang)
|
2026/02
|
55
|
77
|
73
|
78
|
93
|
102
|
95
|
39
|
38
|
58
|
49
|
74
|
79
|
86
|
96
|
56
|
111
|
94
|
84
|
63
|
76
|
104
|
102
|
41
|
50
|
46
|
50
|
25
|
|||
|
2026/01
|
31
|
28
|
34
|
50
|
49
|
69
|
85
|
86
|
120
|
172
|
136
|
151
|
147
|
177
|
158
|
198
|
170
|
209
|
130
|
12
|
21
|
37
|
70
|
74
|
67
|
59
|
82
|
110
|
114
|
45
|
27
|
|
2025/12
|
139
|
184
|
112
|
48
|
55
|
88
|
75
|
88
|
108
|
94
|
87
|
101
|
32
|
59
|
67
|
95
|
85
|
96
|
124
|
70
|
53
|
37
|
38
|
46
|
55
|
48
|
63
|
82
|
100
|
97
|
50
|
|
2025/11
|
28
|
28
|
30
|
27
|
41
|
44
|
24
|
25
|
35
|
35
|
25
|
30
|
31
|
38
|
36
|
53
|
23
|
20
|
34
|
54
|
60
|
94
|
49
|
58
|
63
|
77
|
87
|
116
|
133
|
163
|
|
|
2025/10
|
26
|
28
|
35
|
27
|
29
|
28
|
40
|
37
|
43
|
76
|
72
|
41
|
13
|
22
|
31
|
34
|
28
|
17
|
22
|
16
|
13
|
26
|
36
|
38
|
35
|
34
|
31
|
42
|
44
|
30
|
42
|
|
2025/09
|
47
|
50
|
42
|
55
|
49
|
28
|
46
|
36
|
41
|
50
|
50
|
19
|
18
|
27
|
36
|
39
|
35
|
21
|
16
|
25
|
18
|
15
|
16
|
20
|
39
|
30
|
31
|
33
|
16
|
26
|
|
|
2025/08
|
30
|
31
|
36
|
39
|
38
|
25
|
24
|
33
|
37
|
33
|
14
|
23
|
31
|
40
|
38
|
20
|
25
|
33
|
22
|
20
|
30
|
24
|
16
|
21
|
21
|
23
|
23
|
32
|
30
|
28
|
28
|
|
2025/07
|
22
|
16
|
22
|
23
|
21
|
29
|
32
|
31
|
15
|
29
|
29
|
28
|
33
|
31
|
35
|
36
|
35
|
36
|
23
|
19
|
22
|
19
|
22
|
15
|
20
|
21
|
19
|
27
|
29
|
35
|
26
|
|
2025/06
|
35
|
20
|
34
|
28
|
41
|
64
|
59
|
52
|
31
|
41
|
46
|
41
|
43
|
44
|
34
|
41
|
41
|
24
|
15
|
30
|
26
|
28
|
26
|
32
|
15
|
31
|
31
|
30
|
31
|
16
|
|
|
2025/05
|
39
|
61
|
91
|
63
|
40
|
46
|
33
|
34
|
46
|
62
|
46
|
53
|
69
|
61
|
63
|
63
|
55
|
62
|
51
|
61
|
35
|
28
|
52
|
59
|
45
|
41
|
35
|
16
|
23
|
30
|
28
|
|
2025/04
|
42
|
46
|
54
|
55
|
70
|
63
|
49
|
64
|
76
|
86
|
67
|
99
|
140
|
102
|
93
|
69
|
66
|
66
|
41
|
35
|
52
|
45
|
54
|
43
|
47
|
49
|
40
|
41
|
37
|
23
|
|
|
2025/03
|
114
|
113
|
41
|
50
|
23
|
19
|
38
|
52
|
71
|
67
|
67
|
73
|
70
|
56
|
33
|
27
|
17
|
26
|
32
|
43
|
60
|
90
|
88
|
56
|
66
|
74
|
86
|
85
|
30
|
27
|
43
|
|
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