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
23 Apr
Fri
24 Apr
Sat
25 Apr
Sun
26 Apr
Mon
27 Apr
Tue
28 Apr
Wed
29 Apr
Real-time AQI (Monitoring Station in Tianshui)
进步巷
4725
PM2.5
47
PM10
39
O3
0.5
CO
11
SO2
32
NO2
文化馆
3818
PM2.5
38
PM10
45
O3
0.6
CO
10
SO2
23
NO2
Air quality in the last 12 months (Tianshui)
|
2026/03
|
40
|
33
|
48
|
57
|
66
|
60
|
58
|
34
|
47
|
44
|
47
|
89
|
204
|
71
|
64
|
64
|
48
|
69
|
77
|
65
|
54
|
82
|
86
|
68
|
60
|
45
|
51
|
45
|
49
|
32
|
42
|
|
2026/02
|
97
|
86
|
73
|
73
|
74
|
69
|
70
|
56
|
48
|
94
|
76
|
79
|
87
|
81
|
58
|
40
|
90
|
64
|
61
|
65
|
81
|
152
|
154
|
84
|
61
|
78
|
64
|
30
|
|||
|
2026/01
|
64
|
59
|
72
|
70
|
57
|
56
|
68
|
66
|
66
|
65
|
73
|
84
|
82
|
100
|
86
|
72
|
66
|
84
|
56
|
50
|
52
|
58
|
64
|
61
|
276
|
327
|
146
|
129
|
91
|
78
|
98
|
|
2025/12
|
67
|
62
|
57
|
62
|
69
|
71
|
72
|
68
|
87
|
84
|
74
|
67
|
92
|
71
|
68
|
76
|
69
|
65
|
68
|
43
|
49
|
54
|
55
|
64
|
56
|
63
|
77
|
84
|
87
|
83
|
81
|
|
2025/11
|
64
|
60
|
48
|
26
|
38
|
42
|
79
|
72
|
64
|
64
|
58
|
56
|
60
|
66
|
60
|
58
|
53
|
47
|
60
|
68
|
67
|
67
|
71
|
70
|
64
|
107
|
126
|
86
|
81
|
69
|
|
|
2025/10
|
31
|
22
|
23
|
22
|
38
|
23
|
17
|
21
|
20
|
20
|
24
|
27
|
35
|
34
|
36
|
28
|
24
|
36
|
28
|
21
|
21
|
24
|
27
|
22
|
32
|
46
|
45
|
45
|
49
|
58
|
65
|
|
2025/09
|
29
|
48
|
56
|
41
|
40
|
45
|
49
|
34
|
36
|
31
|
22
|
28
|
28
|
29
|
32
|
34
|
30
|
22
|
21
|
23
|
20
|
22
|
24
|
34
|
38
|
43
|
33
|
32
|
44
|
44
|
|
|
2025/08
|
34
|
33
|
35
|
34
|
28
|
33
|
36
|
32
|
29
|
28
|
35
|
40
|
34
|
34
|
33
|
26
|
23
|
27
|
28
|
35
|
33
|
30
|
21
|
24
|
27
|
29
|
22
|
24
|
25
|
27
|
27
|
|
2025/07
|
24
|
23
|
17
|
19
|
23
|
25
|
18
|
20
|
21
|
24
|
24
|
29
|
30
|
28
|
33
|
38
|
36
|
26
|
45
|
29
|
25
|
27
|
29
|
20
|
19
|
22
|
25
|
27
|
35
|
25
|
32
|
|
2025/06
|
35
|
40
|
39
|
34
|
36
|
42
|
39
|
37
|
36
|
35
|
42
|
43
|
36
|
50
|
67
|
45
|
41
|
33
|
47
|
43
|
30
|
24
|
25
|
28
|
26
|
25
|
21
|
29
|
32
|
19
|
|
|
2025/05
|
61
|
54
|
85
|
93
|
52
|
79
|
40
|
59
|
53
|
46
|
44
|
59
|
52
|
66
|
53
|
53
|
76
|
60
|
62
|
58
|
54
|
101
|
51
|
37
|
30
|
38
|
30
|
32
|
34
|
61
|
55
|
|
2025/04
|
108
|
98
|
81
|
91
|
88
|
63
|
42
|
91
|
89
|
79
|
153
|
365
|
94
|
79
|
58
|
82
|
79
|
209
|
131
|
70
|
91
|
103
|
70
|
58
|
55
|
45
|
45
|
53
|
61
|
89
|
|
|
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