ID: 241

AQSQID: 061072002

Site Name: Visalia - N. Church Street

Added: April 21, 2020, 6:24 p.m.

Updated: July 4, 2022, 9:27 a.m.

Location: Visalia (Downtown), CA

Reporting: False, Located: True

Current AQI: None

Visalia (Downtown) CA, US: 36.33252, -119.29095

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 15, 2021, 4 p.m. 10.6 ppb (10) 3.3 ppb (4) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) N/A 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
Dec. 15, 2021, 3 p.m. 9.0 ppb (9) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A 18.0 ppb (17) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Dec. 15, 2021, 2 p.m. 9.5 ppb (9) 1.3 ppb (2) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Dec. 15, 2021, 1 p.m. 8.3 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 16.0 ppb (15) N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Dec. 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Dec. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 8.0 μg/m3 (34) 34.0
 
Dec. 15, 2021, 10 a.m. 8.0 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) N/A 8.0 μg/m3 (8) 12.0 μg/m3 (50) 50.0
 
Dec. 15, 2021, 9 a.m. 9.0 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 13.0 ppb (13) N/A 11.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Dec. 15, 2021, 8 a.m. 8.3 ppb (8) 1.5 ppb (2) N/A 7.0 ppb (7) N/A N/A 18.0 ppb (17) N/A 9.0 μg/m3 (9) 8.0 μg/m3 (34) 34.0
 
Dec. 15, 2021, 7 a.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) N/A 9.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Dec. 15, 2021, 6 a.m. 9.9 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Dec. 15, 2021, 5 a.m. 10.1 ppb (10) 2.9 ppb (3) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 24.0
 
Dec. 15, 2021, 4 a.m. 10.8 ppb (11) 2.5 ppb (3) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) N/A 10.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Dec. 15, 2021, 3 a.m. 10.4 ppb (10) 3.5 ppb (4) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) N/A 9.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Dec. 15, 2021, 2 a.m. 9.1 ppb (9) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) N/A 6.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
Dec. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 33.0
 
Dec. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 31.0
 
Dec. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 35.0
 
Dec. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 32.0
 
Dec. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 32.0
 
Dec. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Dec. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
Dec. 14, 2021, 6 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Dec. 14, 2021, 5 p.m. 8.1 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 27.0
 
Dec. 14, 2021, 4 p.m. 5.9 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (9) 29.0
 
Dec. 14, 2021, 3 p.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 32.0
 
Dec. 14, 2021, 2 p.m. 5.0 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 27.0
 
Dec. 14, 2021, 1 p.m. 6.4 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Dec. 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Dec. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
Dec. 14, 2021, 10 a.m. 5.4 ppb (6) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 22.0
 
Dec. 14, 2021, 9 a.m. 3.7 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 23.0
 
Dec. 14, 2021, 8 a.m. 3.3 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 25.0
 
Dec. 14, 2021, 7 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 30.0
 
Dec. 14, 2021, 6 a.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 31.0
 
Dec. 14, 2021, 5 a.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 32.0
 
Dec. 14, 2021, 4 a.m. 5.5 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 27.0
 
Dec. 14, 2021, 3 a.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 30.0
 
Dec. 14, 2021, 2 a.m. 4.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 28.0
 
Dec. 14, 2021, 1 a.m. 8.2 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
Dec. 14, 2021, midnight 17.3 ppb (17) 2.1 ppb (2) N/A 15.0 ppb (15) N/A N/A 21.0 ppb (20) N/A 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Dec. 13, 2021, 11 p.m. 12.5 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Dec. 13, 2021, 10 p.m. 12.5 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 27.0
 
Dec. 13, 2021, 9 p.m. 13.2 ppb (13) 3.1 ppb (3) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Dec. 13, 2021, 8 p.m. 14.3 ppb (14) 4.4 ppb (5) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) N/A 13.0 μg/m3 (13) 14.0 μg/m3 (55) 55.0
 
Dec. 13, 2021, 7 p.m. 18.1 ppb (18) 5.9 ppb (6) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
Dec. 13, 2021, 6 p.m. 30.6 ppb (29) 11.4 ppb (11) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (8) N/A 26.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
Dec. 13, 2021, 5 p.m. 27.9 ppb (27) 8.2 ppb (8) N/A 20.0 ppb (19) N/A N/A 8.0 ppb (8) N/A 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Dec. 13, 2021, 4 p.m. 30.0 ppb (29) 10.3 ppb (10) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (7) N/A 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Dec. 13, 2021, 3 p.m. 41.2 ppb (39) 19.2 ppb (19) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) N/A 44.0 μg/m3 (41) 15.0 μg/m3 (58) 58.0
 
Dec. 13, 2021, 2 p.m. 29.6 ppb (28) 11.2 ppb (11) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A 33.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Dec. 13, 2021, 1 p.m. 18.0 ppb (17) 3.6 ppb (4) N/A 14.0 ppb (14) N/A N/A 5.0 ppb (5) N/A 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Dec. 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Dec. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 14.0 μg/m3 (55) 55.0
 
Dec. 13, 2021, 10 a.m. 7.7 ppb (8) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) N/A 12.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Dec. 13, 2021, 9 a.m. 11.1 ppb (11) 2.3 ppb (3) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) N/A 17.0 μg/m3 (16) 14.0 μg/m3 (55) 55.0
 
Dec. 13, 2021, 8 a.m. 13.7 ppb (13) 1.9 ppb (2) N/A 12.0 ppb (12) N/A N/A 6.0 ppb (6) N/A 27.0 μg/m3 (25) 22.0 μg/m3 (72) 72.0
 
Dec. 13, 2021, 7 a.m. 14.8 ppb (14) 1.9 ppb (2) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) N/A 24.0 μg/m3 (23) 17.0 μg/m3 (62) 62.0
 
Dec. 13, 2021, 6 a.m. 18.3 ppb (18) 3.0 ppb (3) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) N/A 24.0 μg/m3 (23) 16.0 μg/m3 (60) 60.0
 
Dec. 13, 2021, 5 a.m. 24.6 ppb (24) 5.1 ppb (5) N/A 20.0 ppb (19) N/A N/A 8.0 ppb (8) N/A 26.0 μg/m3 (25) 20.0 μg/m3 (68) 68.0
 
Dec. 13, 2021, 4 a.m. 31.5 ppb (30) 8.2 ppb (8) N/A 23.0 ppb (22) N/A N/A 4.0 ppb (4) N/A 37.0 μg/m3 (35) 21.0 μg/m3 (70) 70.0
 
Dec. 13, 2021, 3 a.m. 21.2 ppb (20) 2.3 ppb (3) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (8) N/A 32.0 μg/m3 (30) 19.0 μg/m3 (66) 66.0
 
Dec. 13, 2021, 2 a.m. 14.3 ppb (14) 1.2 ppb (2) N/A 13.0 ppb (13) N/A N/A 15.0 ppb (14) N/A 24.0 μg/m3 (23) 18.0 μg/m3 (64) 64.0
 
Dec. 13, 2021, 1 a.m. 10.3 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) N/A 20.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Dec. 13, 2021, midnight 7.3 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A 21.0 μg/m3 (20) 13.0 μg/m3 (53) 53.0
 
Dec. 12, 2021, 11 p.m. 5.9 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Dec. 12, 2021, 10 p.m. 6.9 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 30.0
 
Dec. 12, 2021, 9 p.m. 7.1 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Dec. 12, 2021, 8 p.m. 6.6 ppb (7) 2.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 29.0
 
Dec. 12, 2021, 7 p.m. 6.2 ppb (6) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Dec. 12, 2021, 6 p.m. 9.4 ppb (9) 4.2 ppb (4) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) N/A 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Dec. 12, 2021, 5 p.m. 10.3 ppb (10) 4.5 ppb (5) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) N/A 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Dec. 12, 2021, 4 p.m. 17.5 ppb (17) 8.0 ppb (8) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) N/A 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Dec. 12, 2021, 3 p.m. 24.5 ppb (24) 11.8 ppb (12) N/A 13.0 ppb (13) N/A N/A 3.0 ppb (3) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Dec. 12, 2021, 2 p.m. 20.5 ppb (20) 7.6 ppb (8) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 20.0
 
Dec. 12, 2021, 1 p.m. 16.9 ppb (16) 4.1 ppb (4) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Dec. 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Dec. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
Dec. 12, 2021, 10 a.m. 12.5 ppb (12) 4.8 ppb (5) N/A 8.0 ppb (8) N/A N/A 9.0 ppb (9) N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Dec. 12, 2021, 9 a.m. 8.6 ppb (9) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (8) N/A 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Dec. 12, 2021, 8 a.m. 16.1 ppb (16) 5.5 ppb (6) N/A 11.0 ppb (11) N/A N/A 5.0 ppb (5) N/A 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Dec. 12, 2021, 7 a.m. 23.8 ppb (23) 9.1 ppb (9) N/A 15.0 ppb (15) N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (23) 19.0 μg/m3 (66) 66.0
 
Dec. 12, 2021, 6 a.m. 21.4 ppb (21) 7.1 ppb (7) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) N/A 27.0 μg/m3 (25) 24.0 μg/m3 (77) 77.0
 
Dec. 12, 2021, 5 a.m. 57.3 ppb (55) 39.2 ppb (37) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A 66.0 μg/m3 (57) 48.0 μg/m3 (132) 132.0
 
Dec. 12, 2021, 4 a.m. 55.8 ppb (53) 37.2 ppb (36) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) N/A 63.0 μg/m3 (55) 37.0 μg/m3 (105) 105.0
 
Dec. 12, 2021, 3 a.m. 62.1 ppb (60) 37.3 ppb (36) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) N/A 60.0 μg/m3 (54) 37.0 μg/m3 (105) 105.0
 
Dec. 12, 2021, 2 a.m. 61.2 ppb (59) 33.7 ppb (32) N/A 28.0 ppb (27) N/A N/A 2.0 ppb (2) N/A 54.0 μg/m3 (50) 21.0 μg/m3 (70) 70.0
 
Dec. 12, 2021, 1 a.m. 26.8 ppb (26) 4.3 ppb (5) N/A 23.0 ppb (22) N/A N/A 8.0 ppb (8) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
Dec. 12, 2021, midnight 6.5 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) N/A 16.0 μg/m3 (15) 14.0 μg/m3 (55) 55.0
 
Dec. 11, 2021, 11 p.m. 5.3 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Dec. 11, 2021, 10 p.m. 6.4 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A 26.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Dec. 11, 2021, 9 p.m. 6.5 ppb (7) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A 23.0 μg/m3 (22) 20.0 μg/m3 (68) 68.0
 
Dec. 11, 2021, 8 p.m. 8.6 ppb (9) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A 23.0 μg/m3 (22) 17.0 μg/m3 (62) 62.0
 
Dec. 11, 2021, 7 p.m. 10.2 ppb (10) 4.4 ppb (5) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) N/A 22.0 μg/m3 (21) 17.0 μg/m3 (62) 62.0
 
Dec. 11, 2021, 6 p.m. 15.0 ppb (15) 7.0 ppb (7) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) N/A 30.0 μg/m3 (28) 22.0 μg/m3 (72) 72.0
 
Dec. 11, 2021, 5 p.m. 22.1 ppb (21) 12.0 ppb (12) N/A 10.0 ppb (10) N/A N/A 11.0 ppb (11) N/A 25.0 μg/m3 (24) 22.0 μg/m3 (72) 72.0
 
Dec. 11, 2021, 4 p.m. 25.4 ppb (24) 14.3 ppb (14) N/A 11.0 ppb (11) N/A N/A 4.0 ppb (4) N/A 26.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
Dec. 11, 2021, 3 p.m. 26.0 ppb (25) 13.1 ppb (13) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) N/A 22.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
Dec. 11, 2021, 2 p.m. 22.9 ppb (22) 10.2 ppb (10) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) N/A 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
Dec. 11, 2021, 1 p.m. 26.5 ppb (25) 15.0 ppb (15) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) N/A 27.0 μg/m3 (25) 20.0 μg/m3 (68) 68.0
 
Dec. 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 18.0 μg/m3 (64) 64.0
 
Dec. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 24.0 μg/m3 (77) 77.0
 
Dec. 11, 2021, 10 a.m. 26.4 ppb (25) 16.0 ppb (16) N/A 10.0 ppb (10) N/A N/A 1.0 ppb (1) N/A 27.0 μg/m3 (25) 24.0 μg/m3 (77) 77.0
 
Dec. 11, 2021, 9 a.m. 48.4 ppb (46) 37.7 ppb (36) N/A 11.0 ppb (11) N/A N/A 1.0 ppb (1) N/A 40.0 μg/m3 (38) 32.0 μg/m3 (93) 93.0
 
Dec. 11, 2021, 8 a.m. 41.1 ppb (39) 28.5 ppb (27) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) N/A 38.0 μg/m3 (36) 27.0 μg/m3 (83) 83.0
 
Dec. 11, 2021, 7 a.m. 67.2 ppb (66) 53.8 ppb (51) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) N/A 60.0 μg/m3 (54) 52.0 μg/m3 (142) 142.0
 
Dec. 11, 2021, 6 a.m. 58.2 ppb (56) 40.7 ppb (39) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A 53.0 μg/m3 (50) 40.0 μg/m3 (113) 113.0
 
Dec. 11, 2021, 5 a.m. 48.8 ppb (47) 30.2 ppb (29) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) N/A 42.0 μg/m3 (39) 32.0 μg/m3 (93) 93.0
 
Dec. 11, 2021, 4 a.m. 40.9 ppb (39) 22.3 ppb (22) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) N/A 45.0 μg/m3 (42) 21.0 μg/m3 (70) 70.0
 
Dec. 11, 2021, 3 a.m. 32.5 ppb (31) 11.1 ppb (11) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) N/A 40.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
Dec. 11, 2021, 2 a.m. 31.1 ppb (30) 9.7 ppb (10) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) N/A 33.0 μg/m3 (31) 15.0 μg/m3 (58) 58.0
 
Dec. 11, 2021, 1 a.m. 17.7 ppb (17) 2.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) N/A 25.0 μg/m3 (24) 15.0 μg/m3 (58) 58.0
 
Dec. 11, 2021, midnight 13.2 ppb (13) 3.4 ppb (4) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) N/A 20.0 μg/m3 (19) 14.0 μg/m3 (55) 55.0
 
Dec. 10, 2021, 11 p.m. 9.6 ppb (10) 2.6 ppb (3) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) N/A 19.0 μg/m3 (18) 14.0 μg/m3 (55) 55.0
 
Dec. 10, 2021, 10 p.m. 9.9 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Dec. 10, 2021, 9 p.m. 9.2 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
Dec. 10, 2021, 5 p.m. 19.9 ppb (19) 10.7 ppb (11) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) N/A 23.0 μg/m3 (22) 15.0 μg/m3 (58) 58.0
 
Dec. 10, 2021, 4 p.m. 22.2 ppb (21) 10.9 ppb (11) N/A 11.0 ppb (11) N/A N/A 6.0 ppb (6) N/A 23.0 μg/m3 (22) 18.0 μg/m3 (64) 64.0
 
Dec. 10, 2021, 3 p.m. 20.0 ppb (19) 7.4 ppb (7) N/A 13.0 ppb (13) N/A N/A 3.0 ppb (3) N/A 22.0 μg/m3 (21) 16.0 μg/m3 (60) 60.0
 
Dec. 10, 2021, 2 p.m. 17.5 ppb (17) 4.7 ppb (5) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) N/A 15.0 μg/m3 (14) 20.0 μg/m3 (68) 68.0
 
Dec. 10, 2021, 1 p.m. 17.7 ppb (17) 5.6 ppb (6) N/A 12.0 ppb (12) N/A N/A 2.0 ppb (2) N/A 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Dec. 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Dec. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Dec. 10, 2021, 10 a.m. 8.1 ppb (8) 1.4 ppb (2) N/A 7.0 ppb (7) N/A N/A 12.0 ppb (12) N/A 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Dec. 10, 2021, 9 a.m. 9.7 ppb (10) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) N/A 11.0 μg/m3 (11) 13.0 μg/m3 (53) 53.0
 
Dec. 10, 2021, 8 a.m. 7.9 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (13) N/A 11.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
Dec. 10, 2021, 7 a.m. 10.7 ppb (11) 1.5 ppb (2) N/A 9.0 ppb (9) N/A N/A 10.0 ppb (10) N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Dec. 10, 2021, 6 a.m. 17.2 ppb (17) 4.8 ppb (5) N/A 12.0 ppb (12) N/A N/A 15.0 ppb (14) N/A 12.0 μg/m3 (12) 15.0 μg/m3 (58) 58.0
 
Dec. 10, 2021, 5 a.m. 18.5 ppb (18) 2.5 ppb (3) N/A 16.0 ppb (16) N/A N/A 11.0 ppb (11) N/A 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
Dec. 10, 2021, 4 a.m. 19.1 ppb (19) 2.5 ppb (3) N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) N/A 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Dec. 10, 2021, 3 a.m. 18.7 ppb (18) 2.8 ppb (3) N/A 16.0 ppb (16) N/A N/A 13.0 ppb (13) N/A 12.0 μg/m3 (12) 15.0 μg/m3 (58) 58.0
 
Dec. 10, 2021, 2 a.m. 14.6 ppb (14) 1.3 ppb (2) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Dec. 10, 2021, 1 a.m. 14.1 ppb (14) 1.8 ppb (2) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Dec. 10, 2021, midnight 8.7 ppb (9) 1.5 ppb (2) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 29.0
 
Dec. 9, 2021, 11 p.m. 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 34.0
 
Dec. 9, 2021, 10 p.m. 4.3 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (5) 34.0
 
Dec. 9, 2021, 9 p.m. 5.0 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 35.0
 
Dec. 9, 2021, 8 p.m. 6.0 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 31.0
 
Dec. 9, 2021, 7 p.m. 6.2 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 31.0
 
Dec. 9, 2021, 6 p.m. 5.8 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 29.0
 
Dec. 9, 2021, 5 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (20) N/A 11.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Dec. 9, 2021, 4 p.m. 10.8 ppb (11) 2.8 ppb (3) N/A 8.0 ppb (8) N/A N/A 12.0 ppb (12) N/A 13.0 μg/m3 (13) 14.0 μg/m3 (55) 55.0
 
Dec. 9, 2021, 3 p.m. 29.3 ppb (28) 20.5 ppb (20) N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) N/A 26.0 μg/m3 (25) 23.0 μg/m3 (74) 74.0
 
Dec. 9, 2021, 2 p.m. 31.6 ppb (30) 21.9 ppb (21) N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) N/A 29.0 μg/m3 (27) 25.0 μg/m3 (79) 79.0
 
Dec. 9, 2021, 1 p.m. 26.6 ppb (26) 12.9 ppb (13) N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) N/A 45.0 μg/m3 (42) 37.0 μg/m3 (105) 105.0
 
Dec. 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 44.0 μg/m3 (122) 122.0
 
Dec. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 43.0 μg/m3 (120) 120.0
 
Dec. 9, 2021, 10 a.m. 17.5 ppb (17) 4.8 ppb (5) N/A 13.0 ppb (13) N/A N/A 5.0 ppb (5) N/A 40.0 μg/m3 (38) 32.0 μg/m3 (93) 93.0
 
Dec. 9, 2021, 9 a.m. 17.2 ppb (17) 3.4 ppb (4) N/A 14.0 ppb (14) N/A N/A 6.0 ppb (6) N/A 44.0 μg/m3 (41) 29.0 μg/m3 (87) 87.0
 
Dec. 9, 2021, 8 a.m. 25.9 ppb (25) 9.7 ppb (10) N/A 16.0 ppb (16) N/A N/A 5.0 ppb (5) N/A 53.0 μg/m3 (50) 40.0 μg/m3 (113) 113.0
 
Dec. 9, 2021, 7 a.m. 44.4 ppb (42) 21.0 ppb (20) N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) N/A 67.0 μg/m3 (57) 47.0 μg/m3 (130) 130.0
 
Dec. 9, 2021, 6 a.m. 40.1 ppb (38) 18.4 ppb (18) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) N/A 69.0 μg/m3 (58) 44.0 μg/m3 (122) 122.0
 
Dec. 9, 2021, 5 a.m. 48.3 ppb (46) 24.4 ppb (24) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A 77.0 μg/m3 (62) 47.0 μg/m3 (130) 130.0
 
Dec. 9, 2021, 4 a.m. 43.5 ppb (42) 15.6 ppb (15) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A 68.0 μg/m3 (58) 43.0 μg/m3 (120) 120.0
 
Dec. 9, 2021, 3 a.m. 40.8 ppb (39) 11.6 ppb (11) N/A 29.0 ppb (28) N/A N/A 3.0 ppb (3) N/A 70.0 μg/m3 (59) 47.0 μg/m3 (130) 130.0
 
Dec. 9, 2021, 2 a.m. 32.4 ppb (31) 5.8 ppb (6) N/A 27.0 ppb (26) N/A N/A 5.0 ppb (5) N/A 71.0 μg/m3 (59) 38.0 μg/m3 (108) 108.0
 
Dec. 9, 2021, 1 a.m. 25.0 ppb (24) 3.9 ppb (4) N/A 21.0 ppb (20) N/A N/A 12.0 ppb (12) N/A 90.0 μg/m3 (69) 40.0 μg/m3 (113) 113.0
 
Dec. 9, 2021, midnight 13.4 ppb (13) 1.8 ppb (2) N/A 12.0 ppb (12) N/A N/A 24.0 ppb (23) N/A 55.0 μg/m3 (51) 34.0 μg/m3 (98) 98.0
 
Dec. 8, 2021, 11 p.m. 9.5 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) N/A 54.0 μg/m3 (50) 33.0 μg/m3 (95) 95.0
 
Dec. 8, 2021, 10 p.m. 9.6 ppb (10) 2.6 ppb (3) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) N/A 56.0 μg/m3 (52) 34.0 μg/m3 (98) 98.0
 
Dec. 8, 2021, 9 p.m. 8.7 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A 43.0 μg/m3 (40) 28.0 μg/m3 (85) 85.0
 
Dec. 8, 2021, 8 p.m. 10.5 ppb (10) 4.3 ppb (5) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) N/A 45.0 μg/m3 (42) 30.0 μg/m3 (89) 89.0
 
Dec. 8, 2021, 7 p.m. 12.6 ppb (12) 5.4 ppb (6) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) N/A 42.0 μg/m3 (39) 34.0 μg/m3 (98) 98.0
 
Dec. 8, 2021, 6 p.m. 22.3 ppb (22) 12.1 ppb (12) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) N/A 44.0 μg/m3 (41) 30.0 μg/m3 (89) 89.0
 
Dec. 8, 2021, 5 p.m. 23.1 ppb (22) 14.7 ppb (14) N/A 8.0 ppb (8) N/A N/A 4.0 ppb (4) N/A 36.0 μg/m3 (34) 26.0 μg/m3 (81) 81.0
 
Dec. 8, 2021, 4 p.m. 27.5 ppb (26) 19.8 ppb (19) N/A 8.0 ppb (8) N/A N/A 2.0 ppb (2) N/A 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Dec. 8, 2021, 3 p.m. 28.3 ppb (27) 20.5 ppb (20) N/A 8.0 ppb (8) N/A N/A 1.0 ppb (1) N/A 21.0 μg/m3 (20) 13.0 μg/m3 (53) 53.0
 
Dec. 8, 2021, 2 p.m. 28.6 ppb (27) 19.5 ppb (19) N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) N/A 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0