Air Quality
Excellent
No health implications.
11
PM2.5
31
PM10
56
O3
0.8
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jun
47
Excellent
Mon
8 Jun
48
Excellent
Tue
9 Jun
54
Good
Wed
10 Jun
60
Good
Thu
11 Jun
63
Good
Fri
12 Jun
67
Good
Sat
13 Jun
38
Excellent
Air quality in the last 12 months (Hechuan)
|
2026/04
|
35
|
39
|
33
|
48
|
60
|
52
|
38
|
32
|
31
|
46
|
33
|
33
|
40
|
32
|
25
|
33
|
44
|
50
|
65
|
76
|
25
|
19
|
31
|
45
|
57
|
66
|
40
|
22
|
22
|
31
|
|
|
2026/03
|
28
|
34
|
38
|
33
|
55
|
51
|
38
|
36
|
37
|
32
|
54
|
51
|
56
|
35
|
21
|
23
|
21
|
21
|
32
|
34
|
43
|
45
|
40
|
26
|
36
|
31
|
47
|
37
|
43
|
25
|
24
|
|
2026/02
|
66
|
115
|
133
|
110
|
138
|
141
|
126
|
60
|
60
|
73
|
90
|
104
|
106
|
107
|
103
|
66
|
115
|
103
|
114
|
96
|
101
|
110
|
122
|
39
|
68
|
53
|
54
|
23
|
|||
|
2026/01
|
31
|
27
|
43
|
54
|
68
|
68
|
85
|
102
|
136
|
165
|
204
|
207
|
154
|
179
|
176
|
217
|
197
|
225
|
99
|
19
|
30
|
57
|
67
|
69
|
83
|
84
|
73
|
142
|
119
|
30
|
44
|
|
2025/12
|
149
|
173
|
95
|
64
|
77
|
77
|
88
|
96
|
139
|
131
|
102
|
95
|
39
|
58
|
76
|
106
|
135
|
148
|
140
|
74
|
33
|
39
|
29
|
41
|
42
|
40
|
70
|
81
|
103
|
112
|
68
|
|
2025/11
|
44
|
50
|
59
|
44
|
55
|
38
|
21
|
22
|
23
|
20
|
31
|
42
|
50
|
57
|
30
|
46
|
24
|
21
|
45
|
60
|
76
|
99
|
72
|
72
|
72
|
77
|
102
|
104
|
107
|
130
|
|
|
2025/10
|
38
|
20
|
22
|
19
|
22
|
27
|
41
|
37
|
32
|
54
|
51
|
27
|
17
|
27
|
31
|
32
|
22
|
23
|
16
|
13
|
16
|
23
|
26
|
34
|
30
|
33
|
35
|
49
|
55
|
36
|
46
|
|
2025/09
|
71
|
80
|
49
|
59
|
57
|
20
|
33
|
20
|
32
|
40
|
37
|
22
|
17
|
32
|
42
|
38
|
31
|
24
|
16
|
29
|
20
|
18
|
17
|
27
|
41
|
37
|
32
|
25
|
12
|
29
|
|
|
2025/08
|
32
|
32
|
32
|
38
|
48
|
44
|
25
|
37
|
32
|
32
|
19
|
24
|
28
|
35
|
35
|
18
|
24
|
40
|
27
|
19
|
25
|
31
|
25
|
27
|
35
|
27
|
21
|
23
|
23
|
46
|
33
|
|
2025/07
|
25
|
14
|
13
|
15
|
20
|
31
|
33
|
16
|
18
|
23
|
25
|
30
|
45
|
39
|
34
|
39
|
43
|
33
|
31
|
28
|
30
|
18
|
16
|
17
|
15
|
19
|
25
|
30
|
39
|
38
|
32
|
|
2025/06
|
27
|
27
|
47
|
56
|
51
|
52
|
46
|
26
|
19
|
42
|
46
|
44
|
45
|
40
|
40
|
39
|
32
|
23
|
15
|
35
|
24
|
20
|
17
|
24
|
16
|
26
|
26
|
28
|
20
|
15
|
|
|
2025/05
|
51
|
74
|
95
|
57
|
42
|
75
|
76
|
39
|
60
|
61
|
54
|
65
|
68
|
90
|
88
|
79
|
77
|
81
|
78
|
65
|
80
|
47
|
58
|
65
|
47
|
41
|
22
|
24
|
28
|
29
|
33
|
|
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