Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Apr
Sun
19 Apr
Mon
20 Apr
Tue
21 Apr
Wed
22 Apr
Thu
23 Apr
Fri
24 Apr
Real-time AQI (Monitoring Station in Hechi)
市环保站
313
PM2.5
25
PM10
99
O3
0.7
CO
5
SO2
1
NO2
上任中路54号
293
PM2.5
16
PM10
92
O3
0.8
CO
6
SO2
3
NO2
Air quality in the last 12 months (Hechi)
|
2026/03
|
40
|
17
|
15
|
19
|
39
|
47
|
61
|
51
|
11
|
18
|
28
|
40
|
49
|
59
|
65
|
56
|
36
|
25
|
40
|
28
|
27
|
34
|
58
|
56
|
40
|
66
|
50
|
28
|
41
|
50
|
35
|
|
2026/02
|
29
|
46
|
59
|
104
|
159
|
99
|
30
|
15
|
20
|
15
|
26
|
29
|
17
|
34
|
52
|
38
|
19
|
26
|
17
|
42
|
84
|
108
|
98
|
45
|
36
|
55
|
35
|
41
|
|||
|
2026/01
|
13
|
16
|
34
|
28
|
18
|
27
|
41
|
47
|
58
|
78
|
64
|
85
|
92
|
101
|
106
|
114
|
103
|
80
|
70
|
29
|
11
|
24
|
39
|
55
|
53
|
29
|
28
|
38
|
70
|
28
|
15
|
|
2025/12
|
75
|
74
|
57
|
67
|
58
|
64
|
73
|
55
|
64
|
84
|
91
|
76
|
20
|
38
|
49
|
60
|
62
|
52
|
60
|
60
|
38
|
54
|
58
|
17
|
32
|
48
|
56
|
58
|
77
|
75
|
75
|
|
2025/11
|
19
|
22
|
7
|
10
|
16
|
30
|
39
|
18
|
9
|
9
|
9
|
22
|
36
|
36
|
38
|
39
|
43
|
16
|
19
|
28
|
31
|
38
|
43
|
52
|
42
|
46
|
48
|
53
|
53
|
63
|
|
|
2025/10
|
21
|
24
|
24
|
24
|
24
|
12
|
18
|
21
|
26
|
30
|
33
|
35
|
29
|
19
|
19
|
23
|
31
|
38
|
14
|
8
|
8
|
10
|
16
|
34
|
37
|
20
|
24
|
26
|
39
|
48
|
26
|
|
2025/09
|
22
|
24
|
18
|
23
|
21
|
22
|
29
|
26
|
16
|
16
|
17
|
15
|
21
|
23
|
23
|
20
|
19
|
21
|
25
|
34
|
19
|
19
|
16
|
11
|
8
|
13
|
22
|
27
|
24
|
33
|
|
|
2025/08
|
18
|
29
|
29
|
37
|
26
|
20
|
20
|
27
|
25
|
24
|
24
|
30
|
26
|
28
|
11
|
16
|
21
|
18
|
12
|
14
|
22
|
21
|
25
|
26
|
25
|
22
|
23
|
22
|
24
|
23
|
23
|
|
2025/07
|
20
|
20
|
21
|
24
|
25
|
31
|
32
|
35
|
34
|
24
|
22
|
25
|
26
|
18
|
22
|
28
|
27
|
32
|
23
|
26
|
17
|
12
|
12
|
20
|
21
|
18
|
23
|
30
|
29
|
29
|
24
|
|
2025/06
|
29
|
16
|
14
|
27
|
43
|
34
|
30
|
26
|
26
|
27
|
28
|
29
|
24
|
22
|
26
|
19
|
18
|
18
|
15
|
15
|
17
|
18
|
25
|
27
|
24
|
27
|
21
|
19
|
23
|
20
|
|
|
2025/05
|
28
|
47
|
51
|
26
|
27
|
24
|
22
|
45
|
21
|
28
|
20
|
34
|
45
|
41
|
26
|
16
|
22
|
20
|
22
|
24
|
25
|
30
|
20
|
41
|
35
|
25
|
38
|
37
|
9
|
28
|
30
|
|
2025/04
|
37
|
51
|
62
|
55
|
65
|
79
|
101
|
107
|
112
|
106
|
65
|
45
|
171
|
122
|
91
|
86
|
77
|
66
|
49
|
46
|
41
|
41
|
17
|
21
|
22
|
29
|
44
|
34
|
47
|
38
|
|
|
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
*: primary pollution