Sichuan - China   2025-03-18   Tuesday   29.99N, 103.00E

Ya'an

Sichuan - China
2025-03-18

Air Quality

Excellent

No health implications.

4

PM2.5

10

PM10

69

O3

0.4

CO

6

SO2

4

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

18 Mar

50 Excellent

Wed

19 Mar

47 Excellent

Thu

20 Mar

50 Excellent

Fri

21 Mar

50 Excellent

Sat

22 Mar

47 Excellent

Sun

23 Mar

35 Excellent

Mon

24 Mar

31 Excellent

Real-time AQI (Monitoring Station in Ya'an)

建安厂

25

3

PM2.5

9

PM10

79

O3

0.2

CO

6

SO2

3

NO2

市政府

20

3

PM2.5

9

PM10

63

O3

0.5

CO

7

SO2

3

NO2

川农大

20

6

PM2.5

10

PM10

64

O3

0.4

CO

3

SO2

4

NO2

Monthly Average AQI (Ya'an)

2020/03 - 2025/02

Air quality in the last 12 months (Ya'an)

2025/02
28
27
36
47
41
32
25
26
32
37
47
37
49
56
40
63
62
54
22
43
40
20
32
35
14
27
92
47
2025/01
83
80
83
146
78
104
71
46
41
62
30
68
68
64
68
63
77
37
49
79
112
125
158
70
30
41
72
43
100
99
53
2024/12
69
67
88
79
42
72
56
28
22
33
40
57
43
33
38
56
93
81
164
133
85
37
36
35
48
42
87
62
81
36
38
2024/11
14
29
33
16
22
52
55
74
66
13
25
25
25
30
44
21
19
20
17
25
34
63
52
32
13
38
32
31
38
61
2024/10
18
28
26
27
27
30
35
47
46
17
24
23
41
46
50
44
21
40
19
23
22
18
32
55
40
19
17
26
49
40
35
2024/09
21
20
22
25
15
23
20
34
22
14
28
33
29
30
27
15
29
34
37
39
22
27
32
35
31
39
54
68
54
11
2024/08
38
42
30
16
25
27
41
35
25
22
50
37
37
46
41
21
33
30
35
46
51
55
58
47
44
40
39
45
51
43
41
2024/07
15
21
24
34
22
22
36
14
8
13
19
26
26
13
25
18
20
17
37
18
19
24
23
13
18
36
39
23
18
16
26
2024/06
50
19
26
24
35
38
19
25
17
28
25
42
34
35
37
45
13
26
21
37
21
14
28
23
30
32
21
25
25
33
2024/05
27
22
21
15
32
36
39
28
28
55
29
36
38
49
52
54
38
38
32
34
32
40
50
49
54
36
35
31
12
19
41
2024/04
57
53
48
39
34
19
19
15
29
28
24
42
53
56
63
51
29
19
23
40
55
60
23
25
40
52
64
74
45
12
2024/03
34
26
58
115
51
46
56
64
104
101
29
54
43
22
55
52
82
55
55
63
64
70
68
57
19
31
37
18
32
43
45
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