ID: 235

AQSQID: 060990005

Site Name: Modesto - 14th Street

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

Updated: May 28, 2022, 2:25 p.m.

Location: Modesto (Downtown), CA

Reporting: True, Located: True

Current AQI: 17.0

Modesto (Downtown) CA, US: 37.642165, -120.994212

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 28, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 28, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.07 ppb (2) 12.0 μg/m3 (12) 1.0 μg/m3 (5) 20.0
 
May 28, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.07 ppb (2) 12.0 μg/m3 (12) 1.0 μg/m3 (5) 20.0
 
May 28, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.06 ppb (2) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 22.0
 
May 28, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.06 ppb (2) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 22.0
 
May 28, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.07 ppb (2) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 28, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.07 ppb (2) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.07 ppb (2) 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
May 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.07 ppb (2) 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
May 28, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.07 ppb (2) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 28, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.07 ppb (2) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.07 ppb (2) 13.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.07 ppb (2) 13.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.08 ppb (2) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.08 ppb (2) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
May 28, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.1 ppb (2) 28.0 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
May 27, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.13 ppb (2) 33.0 μg/m3 (31) 16.0 μg/m3 (60) 60.0
 
May 27, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.13 ppb (2) 33.0 μg/m3 (31) 16.0 μg/m3 (60) 60.0
 
May 27, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.15 ppb (2) 33.0 μg/m3 (31) 20.0 μg/m3 (68) 68.0
 
May 27, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.14 ppb (2) 30.0 μg/m3 (28) 20.0 μg/m3 (68) 68.0
 
May 27, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.14 ppb (2) 30.0 μg/m3 (28) 20.0 μg/m3 (68) 68.0
 
May 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.12 ppb (2) 30.0 μg/m3 (28) 13.0 μg/m3 (53) 53.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.11 ppb (2) 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.11 ppb (2) 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
May 27, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.11 ppb (2) 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
May 27, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.11 ppb (2) 40.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
May 27, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.11 ppb (2) 34.0 μg/m3 (32) 8.0 μg/m3 (34) 34.0
 
May 27, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.12 ppb (2) 35.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
May 27, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.13 ppb (2) 62.0 μg/m3 (55) 8.0 μg/m3 (34) 55.0
 
May 27, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.14 ppb (2) 81.0 μg/m3 (64) 12.0 μg/m3 (50) 64.0
 
May 27, 2022, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.15 ppb (2) 70.0 μg/m3 (59) 18.0 μg/m3 (64) 64.0
 
May 26, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.15 ppb (2) 62.0 μg/m3 (55) 12.0 μg/m3 (50) 58.0
 
May 26, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.15 ppb (2) 67.0 μg/m3 (57) 16.0 μg/m3 (60) 71.0
 
May 26, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) 0.15 ppb (2) 53.0 μg/m3 (50) 11.0 μg/m3 (46) 74.0
 
May 26, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.15 ppb (2) 47.0 μg/m3 (44) 12.0 μg/m3 (50) 68.0
 
May 26, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.15 ppb (2) 47.0 μg/m3 (44) 12.0 μg/m3 (50) 68.0
 
May 26, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.15 ppb (2) 48.0 μg/m3 (45) 11.0 μg/m3 (46) 51.0
 
May 26, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.15 ppb (2) 48.0 μg/m3 (45) 11.0 μg/m3 (46) 51.0
 
May 26, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.16 ppb (3) 44.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
May 26, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.16 ppb (3) 44.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
May 26, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.17 ppb (3) 45.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
May 26, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.17 ppb (3) 45.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
May 26, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.16 ppb (3) 41.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
May 26, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.16 ppb (3) 41.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
May 26, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.15 ppb (2) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
May 26, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.14 ppb (2) 36.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
May 26, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.14 ppb (2) 36.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
May 26, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.13 ppb (2) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
May 26, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.14 ppb (2) 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
May 26, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) 0.13 ppb (2) 34.0 μg/m3 (32) 15.0 μg/m3 (58) 97.0
 
May 26, 2022, midnight N/A N/A N/A N/A N/A N/A 70.0 ppb (100) 0.14 ppb (2) 36.0 μg/m3 (34) 14.0 μg/m3 (55) 100.0
 
May 25, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) 0.13 ppb (2) 36.0 μg/m3 (34) 13.0 μg/m3 (53) 87.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.13 ppb (2) 38.0 μg/m3 (36) 10.0 μg/m3 (42) 71.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.13 ppb (2) 38.0 μg/m3 (36) 10.0 μg/m3 (42) 71.0
 
May 25, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) 0.14 ppb (2) 42.0 μg/m3 (39) 14.0 μg/m3 (55) 78.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.15 ppb (2) 36.0 μg/m3 (34) 14.0 μg/m3 (55) 61.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.15 ppb (2) 36.0 μg/m3 (34) 14.0 μg/m3 (55) 61.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.19 ppb (3) 44.0 μg/m3 (41) 15.0 μg/m3 (58) 68.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.19 ppb (3) 44.0 μg/m3 (41) 15.0 μg/m3 (58) 68.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) 0.21 ppb (3) 47.0 μg/m3 (44) 15.0 μg/m3 (58) 74.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) 0.21 ppb (3) 47.0 μg/m3 (44) 15.0 μg/m3 (58) 74.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.19 ppb (3) 47.0 μg/m3 (44) 15.0 μg/m3 (58) 58.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.19 ppb (3) 47.0 μg/m3 (44) 15.0 μg/m3 (58) 58.0
 
May 25, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.17 ppb (3) 33.0 μg/m3 (31) 19.0 μg/m3 (66) 66.0
 
May 25, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.36 ppb (5) 52.0 μg/m3 (49) 23.0 μg/m3 (74) 74.0
 
May 25, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.47 ppb (6) 65.0 μg/m3 (56) 20.0 μg/m3 (68) 68.0
 
May 25, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.23 ppb (3) 38.0 μg/m3 (36) 16.0 μg/m3 (60) 60.0
 
May 25, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.19 ppb (3) 33.0 μg/m3 (31) 15.0 μg/m3 (58) 58.0
 
May 25, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.28 ppb (4) 46.0 μg/m3 (43) 23.0 μg/m3 (74) 74.0
 
May 25, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (104) 0.13 ppb (2) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 104.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A N/A 73.0 ppb (103) 0.12 ppb (2) 30.0 μg/m3 (28) 10.0 μg/m3 (42) 103.0
 
May 24, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) 0.13 ppb (2) 45.0 μg/m3 (42) 13.0 μg/m3 (53) 81.0
 
May 24, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.12 ppb (2) 31.0 μg/m3 (29) 10.0 μg/m3 (42) 61.0
 
May 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.13 ppb (2) 56.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
May 24, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.12 ppb (2) 45.0 μg/m3 (42) 14.0 μg/m3 (55) 55.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.12 ppb (2) 38.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.12 ppb (2) 39.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.14 ppb (2) 39.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.15 ppb (2) 43.0 μg/m3 (40) 14.0 μg/m3 (55) 55.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.17 ppb (3) 41.0 μg/m3 (38) 14.0 μg/m3 (55) 55.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.13 ppb (2) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.11 ppb (2) 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.12 ppb (2) 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
May 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.12 ppb (2) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.11 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 27.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.11 ppb (2) 25.0 μg/m3 (24) 15.0 μg/m3 (58) 58.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.11 ppb (2) 25.0 μg/m3 (24) 15.0 μg/m3 (58) 58.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.11 ppb (2) 23.0 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.11 ppb (2) 23.0 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.12 ppb (2) 33.0 μg/m3 (31) 14.0 μg/m3 (55) 55.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.12 ppb (2) 33.0 μg/m3 (31) 14.0 μg/m3 (55) 55.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.12 ppb (2) 30.0 μg/m3 (28) 6.0 μg/m3 (25) 45.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.12 ppb (2) 30.0 μg/m3 (28) 6.0 μg/m3 (25) 45.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.1 ppb (2) 33.0 μg/m3 (31) 8.0 μg/m3 (34) 48.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.1 ppb (2) 33.0 μg/m3 (31) 8.0 μg/m3 (34) 48.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.1 ppb (2) 29.0 μg/m3 (27) 9.0 μg/m3 (38) 50.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.1 ppb (2) 29.0 μg/m3 (27) 9.0 μg/m3 (38) 50.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.1 ppb (2) 33.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.1 ppb (2) 33.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.12 ppb (2) 58.0 μg/m3 (53) 15.0 μg/m3 (58) 58.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.14 ppb (2) 63.0 μg/m3 (55) 14.0 μg/m3 (55) 55.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.12 ppb (2) 44.0 μg/m3 (41) 15.0 μg/m3 (58) 58.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.14 ppb (2) 43.0 μg/m3 (40) 12.0 μg/m3 (50) 50.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.14 ppb (2) 34.0 μg/m3 (32) 15.0 μg/m3 (58) 58.0
 
May 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.12 ppb (2) 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.12 ppb (2) 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.12 ppb (2) 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.12 ppb (2) 22.0 μg/m3 (21) 16.0 μg/m3 (60) 60.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.14 ppb (2) 31.0 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.12 ppb (2) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.11 ppb (2) 14.0 μg/m3 (13) 16.0 μg/m3 (60) 60.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.1 ppb (2) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 45.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.1 ppb (2) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 44.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.11 ppb (2) 25.0 μg/m3 (24) 10.0 μg/m3 (42) 44.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.12 ppb (2) 29.0 μg/m3 (27) 10.0 μg/m3 (42) 45.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.12 ppb (2) 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
May 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.12 ppb (2) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 39.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.12 ppb (2) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 36.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.14 ppb (2) 30.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
May 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.14 ppb (2) 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.17 ppb (3) 26.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.26 ppb (4) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.26 ppb (4) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.24 ppb (3) 35.0 μg/m3 (33) 18.0 μg/m3 (64) 64.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.24 ppb (3) 38.0 μg/m3 (36) 12.0 μg/m3 (50) 50.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.19 ppb (3) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.21 ppb (3) 129.0 μg/m3 (88) 27.0 μg/m3 (83) 88.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.16 ppb (3) 61.0 μg/m3 (54) 16.0 μg/m3 (60) 60.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.12 ppb (2) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 32.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.13 ppb (2) 22.0 μg/m3 (21) 7.0 μg/m3 (30) 33.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.13 ppb (2) 22.0 μg/m3 (21) 8.0 μg/m3 (34) 38.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.1 ppb (2) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 47.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.1 ppb (2) 17.0 μg/m3 (16) 4.0 μg/m3 (17) 47.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.1 ppb (2) 20.0 μg/m3 (19) 4.0 μg/m3 (17) 48.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.1 ppb (2) 22.0 μg/m3 (21) 3.0 μg/m3 (13) 47.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.1 ppb (2) 28.0 μg/m3 (26) 5.0 μg/m3 (21) 46.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.1 ppb (2) 31.0 μg/m3 (29) 9.0 μg/m3 (38) 44.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.11 ppb (2) 36.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.12 ppb (2) 38.0 μg/m3 (36) 14.0 μg/m3 (55) 55.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.13 ppb (2) 35.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.13 ppb (2) 28.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.12 ppb (2) 29.0 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.13 ppb (2) 27.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.22 ppb (3) 28.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.19 ppb (3) 28.0 μg/m3 (26) 13.0 μg/m3 (53) 53.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.19 ppb (3) 28.0 μg/m3 (26) 13.0 μg/m3 (53) 53.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.16 ppb (3) 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.14 ppb (2) 29.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.12 ppb (2) 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.11 ppb (2) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.15 ppb (2) 37.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.14 ppb (2) 28.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.12 ppb (2) 29.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.11 ppb (2) 39.0 μg/m3 (37) 8.0 μg/m3 (34) 47.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.1 ppb (2) 39.0 μg/m3 (37) 6.0 μg/m3 (25) 49.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.11 ppb (2) 44.0 μg/m3 (41) 10.0 μg/m3 (42) 48.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.1 ppb (2) 58.0 μg/m3 (53) 12.0 μg/m3 (50) 53.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.1 ppb (2) 67.0 μg/m3 (57) 11.0 μg/m3 (46) 57.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.12 ppb (2) 103.0 μg/m3 (75) 15.0 μg/m3 (58) 75.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.12 ppb (2) 129.0 μg/m3 (88) 15.0 μg/m3 (58) 88.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.11 ppb (2) 125.0 μg/m3 (86) 17.0 μg/m3 (62) 86.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.11 ppb (2) 106.0 μg/m3 (77) 14.0 μg/m3 (55) 77.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.11 ppb (2) 83.0 μg/m3 (65) 14.0 μg/m3 (55) 65.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.12 ppb (2) 99.0 μg/m3 (73) 9.0 μg/m3 (38) 73.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.11 ppb (2) 99.0 μg/m3 (73) 10.0 μg/m3 (42) 73.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.09 ppb (2) 223.0 μg/m3 (135) 25.0 μg/m3 (79) 135.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.09 ppb (2) 99.0 μg/m3 (73) 15.0 μg/m3 (58) 73.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.09 ppb (2) 48.0 μg/m3 (45) 11.0 μg/m3 (46) 46.0