AQSQID: 291370001

Site Name: Mtsp

Location: Perry (107), MO

Reporting: True, Located: True

Current AQI: 27.0

Perry (107) MO, US: 39.4751, -91.78899

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 9, 2020, noon 2.5 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 35.0 ppb (27) N/A 11.0 μg/m3 (10) N/A 27.0
 
April 9, 2020, 11 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 12.0 μg/m3 (11) N/A 27.0
 
April 9, 2020, 10 a.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 10.0 μg/m3 (9) N/A 28.0
 
April 9, 2020, 9 a.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 10.0 μg/m3 (9) N/A 28.0
 
April 9, 2020, 8 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 13.0 μg/m3 (12) N/A 28.0
 
April 9, 2020, 7 a.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 13.0 μg/m3 (12) N/A 28.0
 
April 9, 2020, 6 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 15.0 μg/m3 (14) N/A 28.0
 
April 9, 2020, 5 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 17.0 μg/m3 (15) N/A 28.0
 
April 9, 2020, 4 a.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 15.0 μg/m3 (14) N/A 30.0
 
April 9, 2020, 3 a.m. 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 12.0 μg/m3 (11) N/A 31.0
 
April 9, 2020, 2 a.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 13.0 μg/m3 (12) N/A 29.0
 
April 9, 2020, 1 a.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 13.0 μg/m3 (12) N/A 31.0
 
April 9, 2020, midnight 1.9 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 12.0 μg/m3 (11) N/A 32.0
 
April 8, 2020, 11 p.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 25.0 μg/m3 (23) N/A 32.0
 
April 8, 2020, 10 p.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) N/A 49.0 μg/m3 (45) N/A 45.0
 
April 8, 2020, 9 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 74.0 ppb (57) N/A 37.0 μg/m3 (34) N/A 57.0
 
April 8, 2020, 8 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 70.0 ppb (54) N/A 29.0 μg/m3 (26) N/A 54.0
 
April 8, 2020, 7 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 71.0 ppb (55) N/A 31.0 μg/m3 (28) N/A 55.0
 
April 8, 2020, 6 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 66.0 ppb (51) N/A 32.0 μg/m3 (29) N/A 51.0
 
April 8, 2020, 5 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) N/A 23.0 μg/m3 (21) N/A 38.0
 
April 8, 2020, 4 p.m. 3.3 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) N/A 26.0 μg/m3 (24) N/A 35.0
 
April 8, 2020, 3 p.m. 3.2 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 37.0 ppb (28) N/A 22.0 μg/m3 (20) N/A 28.0
 
April 8, 2020, 2 p.m. 3.3 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 20.0 μg/m3 (18) N/A 24.0
 
April 8, 2020, 1 p.m. 4.2 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 13.0 ppb (10) N/A 16.0 μg/m3 (15) N/A 15.0
 
April 8, 2020, noon 2.5 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 11.0 ppb (8) N/A 14.0 μg/m3 (13) N/A 13.0
 
April 8, 2020, 11 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 12.0 ppb (9) N/A 10.0 μg/m3 (9) N/A 9.0
 
April 8, 2020, 10 a.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 15.0 ppb (12) N/A 12.0 μg/m3 (11) N/A 12.0
 
April 8, 2020, 9 a.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 23.0 ppb (18) N/A 15.0 μg/m3 (14) N/A 18.0
 
April 8, 2020, 8 a.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 27.0 ppb (21) N/A 16.0 μg/m3 (15) N/A 21.0
 
April 8, 2020, 7 a.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 29.0 ppb (22) N/A 17.0 μg/m3 (15) N/A 22.0
 
April 8, 2020, 6 a.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 32.0 ppb (25) N/A 17.0 μg/m3 (15) N/A 25.0
 
April 8, 2020, 5 a.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 17.0 μg/m3 (15) N/A 25.0
 
April 8, 2020, 4 a.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 17.0 μg/m3 (15) N/A 25.0
 
April 8, 2020, 3 a.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A -1.0 ppb (0) 33.0 ppb (25) N/A 16.0 μg/m3 (15) N/A 25.0
 
April 8, 2020, 2 a.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 16.0 μg/m3 (15) N/A 25.0
 
April 8, 2020, 1 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 15.0 μg/m3 (14) N/A 27.0
 
April 8, 2020, midnight 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 13.0 μg/m3 (12) N/A 27.0
 
April 7, 2020, 11 p.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 13.0 μg/m3 (12) N/A 28.0
 
April 7, 2020, 10 p.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 13.0 μg/m3 (12) N/A 28.0
 
April 7, 2020, 9 p.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 13.0 μg/m3 (12) N/A 28.0
 
April 7, 2020, 8 p.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 13.0 μg/m3 (12) N/A 28.0
 
April 7, 2020, 7 p.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 12.0 μg/m3 (11) N/A 28.0
 
April 7, 2020, 6 p.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 12.0 μg/m3 (11) N/A 27.0
 
April 7, 2020, 5 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 12.0 μg/m3 (11) N/A 26.0
 
April 7, 2020, 4 p.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 11.0 μg/m3 (10) N/A 25.0
 
April 7, 2020, 3 p.m. 2.4 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 12.0 μg/m3 (11) N/A 24.0
 
April 7, 2020, 2 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 12.0 μg/m3 (11) N/A 23.0
 
April 7, 2020, 1 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 12.0 μg/m3 (11) N/A 21.0
 
April 7, 2020, noon 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 13.0 μg/m3 (12) N/A 21.0
 
April 7, 2020, 11 a.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 11.0 μg/m3 (10) N/A 20.0
 
April 7, 2020, 10 a.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 10.0 μg/m3 (9) N/A 20.0
 
April 7, 2020, 9 a.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 11.0 μg/m3 (10) N/A 21.0
 
April 7, 2020, 8 a.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 10.0 μg/m3 (9) N/A 20.0
 
April 7, 2020, 7 a.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 10.0 μg/m3 (9) N/A 20.0
 
April 7, 2020, 6 a.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 10.0 μg/m3 (9) N/A 21.0
 
April 7, 2020, 5 a.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 11.0 μg/m3 (10) N/A 22.0
 
April 7, 2020, 4 a.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 10.0 μg/m3 (9) N/A 22.0
 
April 7, 2020, 3 a.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 10.0 μg/m3 (9) N/A 20.0
 
April 7, 2020, 2 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 14.0 μg/m3 (13) N/A 19.0
 
April 7, 2020, 1 a.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 13.0 μg/m3 (12) N/A 22.0
 
April 7, 2020, midnight 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 12.0 μg/m3 (11) N/A 23.0
 
April 6, 2020, 11 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 11.0 μg/m3 (10) N/A 25.0
 
April 6, 2020, 10 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 10.0 μg/m3 (9) N/A 27.0
 
April 6, 2020, 9 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 9.0 μg/m3 (8) N/A 28.0
 
April 6, 2020, 8 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 7.0 μg/m3 (6) N/A 28.0
 
April 6, 2020, 7 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 5.0 μg/m3 (5) N/A 27.0
 
April 6, 2020, 6 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 6.0 μg/m3 (5) N/A 25.0
 
April 6, 2020, 5 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 6.0 μg/m3 (5) N/A 24.0
 
April 6, 2020, 4 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 9.0 μg/m3 (8) N/A 20.0
 
April 6, 2020, 3 p.m. 3.5 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 11.0 μg/m3 (10) N/A 14.0
 
April 6, 2020, 2 p.m. 3.7 ppb (3) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 12.0 μg/m3 (11) N/A 11.0
 
April 6, 2020, 1 p.m. 4.1 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 12.0 μg/m3 (11) N/A 11.0
 
April 6, 2020, noon 4.5 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) N/A 13.0 μg/m3 (12) N/A 12.0
 
April 6, 2020, 11 a.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 13.0 μg/m3 (12) N/A 12.0
 
April 6, 2020, 10 a.m. 3.6 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 12.0 μg/m3 (11) N/A 11.0
 
April 6, 2020, 9 a.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 13.0 μg/m3 (12) N/A 12.0
 
April 6, 2020, 8 a.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 14.0 ppb (11) N/A 13.0 μg/m3 (12) N/A 12.0
 
April 6, 2020, 7 a.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 16.0 μg/m3 (15) N/A 15.0
 
April 6, 2020, 6 a.m. 4.6 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 12.0 ppb (9) N/A 18.0 μg/m3 (16) N/A 16.0
 
April 6, 2020, 5 a.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 3.0 ppb (4) 13.0 ppb (10) N/A 21.0 μg/m3 (19) N/A 19.0
 
April 6, 2020, 4 a.m. 4.8 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 4.0 ppb (6) 16.0 ppb (12) N/A 20.0 μg/m3 (18) N/A 18.0
 
April 6, 2020, 3 a.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 18.0 ppb (14) N/A 16.0 μg/m3 (15) N/A 15.0
 
April 6, 2020, 2 a.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 11.0 μg/m3 (10) N/A 17.0
 
April 6, 2020, 1 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 9.0 μg/m3 (8) N/A 20.0
 
April 6, 2020, midnight 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 7.0 μg/m3 (6) N/A 22.0
 
April 5, 2020, 11 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 6.0 μg/m3 (5) N/A 23.0
 
April 5, 2020, 10 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 8.0 μg/m3 (7) N/A 23.0
 
April 5, 2020, 9 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 6.0 μg/m3 (5) N/A 24.0
 
April 5, 2020, 8 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 6.0 μg/m3 (5) N/A 23.0
 
April 5, 2020, 7 p.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 8.0 μg/m3 (7) N/A 24.0
 
April 5, 2020, 6 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 8.0 μg/m3 (7) N/A 24.0
 
April 5, 2020, 5 p.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 7.0 μg/m3 (6) N/A 22.0
 
April 5, 2020, 4 p.m. 2.5 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 6.0 μg/m3 (5) N/A 20.0
 
April 5, 2020, 3 p.m. 2.4 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 7.0 μg/m3 (6) N/A 18.0
 
April 5, 2020, 2 p.m. 2.3 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 7.0 μg/m3 (6) N/A 17.0
 
April 5, 2020, 1 p.m. 2.3 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 5.0 μg/m3 (5) N/A 14.0
 
April 5, 2020, noon 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 7.0 μg/m3 (6) N/A 11.0
 
April 5, 2020, 11 a.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 7.0 μg/m3 (6) N/A 11.0
 
April 5, 2020, 10 a.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 6.0 μg/m3 (5) N/A 11.0
 
April 5, 2020, 9 a.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 7.0 μg/m3 (6) N/A 12.0
 
April 5, 2020, 8 a.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 6.0 μg/m3 (5) N/A 12.0
 
April 5, 2020, 7 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 6.0 μg/m3 (5) N/A 13.0
 
April 5, 2020, 6 a.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 7.0 μg/m3 (6) N/A 12.0
 
April 5, 2020, 5 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 9.0 μg/m3 (8) N/A 14.0
 
April 5, 2020, 4 a.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 7.0 μg/m3 (6) N/A 14.0
 
April 5, 2020, 3 a.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 6.0 μg/m3 (5) N/A 15.0
 
April 5, 2020, 2 a.m. 2.3 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 6.0 μg/m3 (5) N/A 18.0
 
April 5, 2020, 1 a.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 5.0 μg/m3 (5) N/A 19.0
 
April 5, 2020, midnight 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 5.0 μg/m3 (5) N/A 21.0
 
April 4, 2020, 11 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 4.0 μg/m3 (4) N/A 22.0
 
April 4, 2020, 10 p.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 4.0 μg/m3 (4) N/A 22.0
 
April 4, 2020, 9 p.m. 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 3.0 μg/m3 (3) N/A 22.0
 
April 4, 2020, 8 p.m. 1.9 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 3.0 μg/m3 (3) N/A 20.0
 
April 4, 2020, 7 p.m. 1.9 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 3.0 μg/m3 (3) N/A 19.0
 
April 4, 2020, 6 p.m. 1.9 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 2.0 μg/m3 (2) N/A 18.0
 
April 4, 2020, 5 p.m. 1.9 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 5.0 μg/m3 (5) N/A 18.0
 
April 4, 2020, 4 p.m. 1.9 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 4.0 μg/m3 (4) N/A 18.0
 
April 4, 2020, 3 p.m. 1.9 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 4.0 μg/m3 (4) N/A 17.0
 
April 4, 2020, 2 p.m. 1.9 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 4.0 μg/m3 (4) N/A 17.0
 
April 4, 2020, 1 p.m. 1.8 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 3.0 μg/m3 (3) N/A 17.0
 
April 4, 2020, noon 1.8 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 4.0 μg/m3 (4) N/A 17.0
 
April 4, 2020, 11 a.m. 1.8 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 4.0 μg/m3 (4) N/A 17.0
 
April 4, 2020, 10 a.m. 1.8 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 4.0 μg/m3 (4) N/A 17.0
 
April 4, 2020, 9 a.m. 1.9 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 4.0 μg/m3 (4) N/A 15.0
 
April 4, 2020, 8 a.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 4.0 μg/m3 (4) N/A 15.0
 
April 4, 2020, 7 a.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 4.0 μg/m3 (4) N/A 15.0
 
April 4, 2020, 6 a.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 2.0 μg/m3 (2) N/A 15.0
 
April 4, 2020, 5 a.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 2.0 μg/m3 (2) N/A 15.0
 
April 4, 2020, 4 a.m. 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 2.0 μg/m3 (2) N/A 14.0
 
April 4, 2020, 3 a.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 3.0 μg/m3 (3) N/A 13.0
 
April 4, 2020, 2 a.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 3.0 μg/m3 (3) N/A 14.0
 
April 4, 2020, 1 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 2.0 μg/m3 (2) N/A 13.0
 
April 4, 2020, midnight 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 3.0 μg/m3 (3) N/A 13.0
 
April 3, 2020, 11 p.m. 2.8 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 2.0 μg/m3 (2) N/A 12.0
 
April 3, 2020, 10 p.m. 3.1 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 3.0 μg/m3 (3) N/A 9.0
 
April 3, 2020, 9 p.m. 3.1 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 10.0 μg/m3 (9) N/A 9.0
 
April 3, 2020, 8 p.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 8.0 μg/m3 (7) N/A 9.0
 
April 3, 2020, 7 p.m. 3.0 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 9.0 μg/m3 (8) N/A 9.0
 
April 3, 2020, 6 p.m. 2.8 ppb (3) 1.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 12.0 μg/m3 (11) N/A 12.0
 
April 3, 2020, 5 p.m. 2.9 ppb (3) 1.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 10.0 μg/m3 (9) N/A 13.0
 
April 3, 2020, 4 p.m. 3.2 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 12.0 μg/m3 (11) N/A 11.0
 
April 3, 2020, 3 p.m. 2.9 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 14.0 μg/m3 (13) N/A 22.0
 
April 3, 2020, 2 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 10.0 μg/m3 (9) N/A 24.0
 
April 3, 2020, 1 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 11.0 μg/m3 (10) N/A 23.0
 
April 3, 2020, noon 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 11.0 μg/m3 (10) N/A 23.0
 
April 3, 2020, 11 a.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 10.0 μg/m3 (9) N/A 25.0
 
April 3, 2020, 10 a.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 10.0 μg/m3 (9) N/A 27.0
 
April 3, 2020, 9 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 10.0 μg/m3 (9) N/A 27.0
 
April 3, 2020, 8 a.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 10.0 μg/m3 (9) N/A 27.0
 
April 3, 2020, 7 a.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 10.0 μg/m3 (9) N/A 26.0
 
April 3, 2020, 6 a.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 12.0 μg/m3 (11) N/A 26.0
 
April 3, 2020, 5 a.m. 3.2 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 13.0 μg/m3 (12) N/A 26.0
 
April 3, 2020, 4 a.m. 3.2 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 14.0 μg/m3 (13) N/A 28.0
 
April 3, 2020, 3 a.m. 3.2 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 16.0 μg/m3 (15) N/A 28.0
 
April 3, 2020, 2 a.m. 3.3 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 17.0 μg/m3 (15) N/A 31.0
 
April 3, 2020, 1 a.m. 3.4 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 19.0 μg/m3 (17) N/A 34.0
 
April 3, 2020, midnight 3.5 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 48.0 ppb (37) N/A 26.0 μg/m3 (24) N/A 37.0
 
April 2, 2020, 11 p.m. 3.6 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 52.0 ppb (40) N/A 23.0 μg/m3 (21) N/A 40.0
 
April 2, 2020, 10 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 52.0 ppb (40) N/A 24.0 μg/m3 (22) N/A 40.0
 
April 2, 2020, 9 p.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 50.0 ppb (38) N/A 24.0 μg/m3 (22) N/A 38.0
 
April 2, 2020, 8 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 48.0 ppb (37) N/A 22.0 μg/m3 (20) N/A 37.0
 
April 2, 2020, 7 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 49.0 ppb (38) N/A 16.0 μg/m3 (15) N/A 38.0
 
April 2, 2020, 6 p.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) N/A 18.0 μg/m3 (16) N/A 37.0
 
April 2, 2020, 5 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 47.0 ppb (36) N/A 17.0 μg/m3 (15) N/A 36.0
 
April 2, 2020, 4 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 16.0 μg/m3 (15) N/A 34.0
 
April 2, 2020, 3 p.m. 3.4 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 16.0 μg/m3 (15) N/A 28.0
 
April 2, 2020, 2 p.m. 3.7 ppb (3) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 14.0 μg/m3 (13) N/A 26.0
 
April 2, 2020, 1 p.m. 3.9 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 12.0 μg/m3 (11) N/A 22.0